./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-87.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_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-87.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91 --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 a3cc8f4dc3627ca478516e9ddf056bcaabf24874a2c66b0dbc53cccb617610ef --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:48:56,758 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:48:56,836 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:48:56,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:48:56,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:48:56,874 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:48:56,876 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:48:56,877 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:48:56,878 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:48:56,880 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:48:56,880 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:48:56,881 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:48:56,882 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:48:56,884 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:48:56,885 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:48:56,886 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:48:56,887 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:48:56,890 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:48:56,891 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:48:56,892 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:48:56,892 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:48:56,893 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:48:56,894 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:48:56,895 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:48:56,895 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:48:56,895 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:48:56,896 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:48:56,896 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:48:56,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:48:56,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:48:56,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:48:56,899 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:48:56,899 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:48:56,899 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:48:56,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:48:56,901 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:48:56,901 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:48:56,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:48:56,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:48:56,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:48:56,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:48:56,902 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:48:56,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:48:56,903 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:48:56,903 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:48:56,904 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:48:56,904 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:48:56,904 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_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3cc8f4dc3627ca478516e9ddf056bcaabf24874a2c66b0dbc53cccb617610ef [2023-11-24 23:48:57,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:48:57,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:48:57,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:48:57,215 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:48:57,215 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:48:57,217 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-87.i [2023-11-24 23:49:00,323 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:49:00,582 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:49:00,583 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-87.i [2023-11-24 23:49:00,594 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/data/7f95a1b4a/4d8c2d53502741b3bb783a5eb25262ec/FLAGfea435051 [2023-11-24 23:49:00,608 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/data/7f95a1b4a/4d8c2d53502741b3bb783a5eb25262ec [2023-11-24 23:49:00,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:49:00,613 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:49:00,614 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:49:00,614 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:49:00,624 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:49:00,628 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:49:00" (1/1) ... [2023-11-24 23:49:00,629 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@464e04e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:00, skipping insertion in model container [2023-11-24 23:49:00,629 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:49:00" (1/1) ... [2023-11-24 23:49:00,672 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:49:00,896 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_c72c89ea-db6c-48d2-923c-d6df825a5653/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-87.i[916,929] [2023-11-24 23:49:01,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:49:01,072 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:49:01,085 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_c72c89ea-db6c-48d2-923c-d6df825a5653/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-87.i[916,929] [2023-11-24 23:49:01,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:49:01,152 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:49:01,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:01 WrapperNode [2023-11-24 23:49:01,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:49:01,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:49:01,154 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:49:01,155 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:49:01,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:01" (1/1) ... [2023-11-24 23:49:01,180 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:01" (1/1) ... [2023-11-24 23:49:01,266 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 216 [2023-11-24 23:49:01,267 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:49:01,267 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:49:01,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:49:01,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:49:01,276 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:01" (1/1) ... [2023-11-24 23:49:01,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:01" (1/1) ... [2023-11-24 23:49:01,281 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:01" (1/1) ... [2023-11-24 23:49:01,282 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:01" (1/1) ... [2023-11-24 23:49:01,301 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:01" (1/1) ... [2023-11-24 23:49:01,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:01" (1/1) ... [2023-11-24 23:49:01,311 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:01" (1/1) ... [2023-11-24 23:49:01,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:01" (1/1) ... [2023-11-24 23:49:01,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:49:01,323 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:49:01,323 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:49:01,323 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:49:01,324 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:01" (1/1) ... [2023-11-24 23:49:01,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:49:01,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:49:01,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:49:01,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:49:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:49:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:49:01,445 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:49:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:49:01,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:49:01,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:49:01,592 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:49:01,594 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:49:02,206 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:49:02,535 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:49:02,535 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:49:02,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:49:02 BoogieIcfgContainer [2023-11-24 23:49:02,537 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:49:02,542 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:49:02,542 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:49:02,546 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:49:02,546 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:49:00" (1/3) ... [2023-11-24 23:49:02,548 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b23a682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:49:02, skipping insertion in model container [2023-11-24 23:49:02,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:01" (2/3) ... [2023-11-24 23:49:02,550 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b23a682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:49:02, skipping insertion in model container [2023-11-24 23:49:02,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:49:02" (3/3) ... [2023-11-24 23:49:02,552 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-87.i [2023-11-24 23:49:02,580 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:49:02,580 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:49:02,640 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:49:02,649 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;@88f78ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:49:02,651 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:49:02,655 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-24 23:49:02,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-24 23:49:02,684 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:49:02,685 INFO L195 NwaCegarLoop]: trace histogram [34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:49:02,685 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:49:02,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:49:02,690 INFO L85 PathProgramCache]: Analyzing trace with hash -940041907, now seen corresponding path program 1 times [2023-11-24 23:49:02,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:49:02,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627886986] [2023-11-24 23:49:02,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:02,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:49:02,973 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:49:02,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1188646344] [2023-11-24 23:49:02,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:02,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:49:02,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:49:02,982 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:49:03,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:49:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:49:03,457 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:49:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:49:06,156 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:49:06,159 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:49:06,160 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:49:06,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:49:06,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:49:06,380 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:49:06,383 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:49:06,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:49:06 BoogieIcfgContainer [2023-11-24 23:49:06,578 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:49:06,579 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:49:06,579 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:49:06,579 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:49:06,580 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:49:02" (3/4) ... [2023-11-24 23:49:06,583 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:49:06,584 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:49:06,586 INFO L158 Benchmark]: Toolchain (without parser) took 5973.20ms. Allocated memory is still 153.1MB. Free memory was 111.7MB in the beginning and 50.8MB in the end (delta: 60.9MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2023-11-24 23:49:06,587 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:49:06,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.23ms. Allocated memory is still 153.1MB. Free memory was 111.3MB in the beginning and 94.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:49:06,589 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.57ms. Allocated memory is still 153.1MB. Free memory was 94.5MB in the beginning and 89.0MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:49:06,596 INFO L158 Benchmark]: Boogie Preprocessor took 54.44ms. Allocated memory is still 153.1MB. Free memory was 89.0MB in the beginning and 86.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:49:06,598 INFO L158 Benchmark]: RCFGBuilder took 1214.77ms. Allocated memory is still 153.1MB. Free memory was 86.5MB in the beginning and 113.7MB in the end (delta: -27.1MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2023-11-24 23:49:06,599 INFO L158 Benchmark]: TraceAbstraction took 4036.51ms. Allocated memory is still 153.1MB. Free memory was 112.7MB in the beginning and 50.8MB in the end (delta: 61.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-24 23:49:06,599 INFO L158 Benchmark]: Witness Printer took 5.83ms. Allocated memory is still 153.1MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:49:06,609 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 539.23ms. Allocated memory is still 153.1MB. Free memory was 111.3MB in the beginning and 94.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.57ms. Allocated memory is still 153.1MB. Free memory was 94.5MB in the beginning and 89.0MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.44ms. Allocated memory is still 153.1MB. Free memory was 89.0MB in the beginning and 86.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1214.77ms. Allocated memory is still 153.1MB. Free memory was 86.5MB in the beginning and 113.7MB in the end (delta: -27.1MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * TraceAbstraction took 4036.51ms. Allocated memory is still 153.1MB. Free memory was 112.7MB in the beginning and 50.8MB in the end (delta: 61.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Witness Printer took 5.83ms. Allocated memory is still 153.1MB. Free memory is still 50.8MB. 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 124, overapproximation of someBinaryDOUBLEComparisonOperation at line 70, overapproximation of someBinaryArithmeticFLOAToperation at line 106. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 32; [L23] signed long int var_1_5 = 256; [L24] signed long int var_1_6 = -1; [L25] unsigned char var_1_7 = 128; [L26] unsigned char var_1_8 = 16; [L27] unsigned short int var_1_9 = 2; [L28] unsigned char var_1_10 = 0; [L29] unsigned char var_1_14 = 0; [L30] unsigned char var_1_15 = 0; [L31] unsigned char var_1_16 = 0; [L32] float var_1_17 = 99999999.1; [L33] unsigned short int var_1_18 = 32; [L34] float var_1_20 = 9.2; [L35] float var_1_21 = 24.8; [L36] signed short int var_1_22 = -16; [L37] unsigned char var_1_23 = 0; [L38] unsigned char var_1_24 = 0; [L39] signed short int var_1_25 = -16; [L40] unsigned char var_1_26 = 16; [L41] unsigned short int var_1_27 = 2; [L42] unsigned long int var_1_28 = 50; [L43] signed char var_1_29 = -10; [L44] signed char var_1_31 = 1; [L45] signed char var_1_32 = 0; [L46] signed char var_1_33 = 64; [L47] signed char var_1_34 = 32; [L48] signed char var_1_35 = 64; [L49] signed char var_1_36 = 8; [L50] signed char var_1_37 = 4; [L51] float var_1_38 = 199.5; [L52] signed char var_1_39 = 10; [L53] unsigned char last_1_var_1_23 = 0; [L54] unsigned char last_1_var_1_24 = 0; [L55] signed char last_1_var_1_29 = -10; [L199] isInitial = 1 [L200] FCALL initially() [L201] COND TRUE 1 [L202] CALL updateLastVariables() [L190] last_1_var_1_23 = var_1_23 [L191] last_1_var_1_24 = var_1_24 [L192] last_1_var_1_29 = var_1_29 [L202] RET updateLastVariables() [L203] CALL updateVariables() [L137] var_1_5 = __VERIFIER_nondet_long() [L138] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=-1, var_1_7=128, var_1_8=16, var_1_9=2] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=-1, var_1_7=128, var_1_8=16, var_1_9=2] [L139] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=-1, var_1_7=128, var_1_8=16, var_1_9=2] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=-1, var_1_7=128, var_1_8=16, var_1_9=2] [L140] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=-1, var_1_7=128, var_1_8=16, var_1_9=2] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=-1, var_1_7=128, var_1_8=16, var_1_9=2] [L141] var_1_6 = __VERIFIER_nondet_long() [L142] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=128, var_1_8=16, var_1_9=2] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=128, var_1_8=16, var_1_9=2] [L143] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=128, var_1_8=16, var_1_9=2] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=128, var_1_8=16, var_1_9=2] [L144] CALL assume_abort_if_not(var_1_6 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=128, var_1_8=16, var_1_9=2] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_6 != 0) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=128, var_1_8=16, var_1_9=2] [L145] var_1_7 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_7 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=16, var_1_9=2] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_7 >= 127) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=16, var_1_9=2] [L147] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=16, var_1_9=2] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=16, var_1_9=2] [L148] var_1_8 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_9=2] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_9=2] [L150] CALL assume_abort_if_not(var_1_8 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_8 <= 127) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L151] var_1_14 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L153] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L154] var_1_15 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L156] CALL assume_abort_if_not(var_1_15 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_15 <= 0) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L157] var_1_16 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L159] CALL assume_abort_if_not(var_1_16 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_16 <= 0) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=32, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L160] var_1_18 = __VERIFIER_nondet_ushort() [L161] CALL assume_abort_if_not(var_1_18 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_18 >= 1) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L162] CALL assume_abort_if_not(var_1_18 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_18 <= 32767) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_20=46/5, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L163] var_1_20 = __VERIFIER_nondet_float() [L164] CALL assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && 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_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && 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_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_21=124/5, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L165] var_1_21 = __VERIFIER_nondet_float() [L166] CALL assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=1, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L167] var_1_31 = __VERIFIER_nondet_char() [L168] CALL assume_abort_if_not(var_1_31 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=126, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_31 >= -1) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=126, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L169] CALL assume_abort_if_not(var_1_31 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=126, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_31 <= 126) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=126, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L170] var_1_32 = __VERIFIER_nondet_char() [L171] CALL assume_abort_if_not(var_1_32 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=126, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_32 >= 0) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=126, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L172] CALL assume_abort_if_not(var_1_32 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=126, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_32 <= 126) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=126, var_1_32=0, var_1_33=64, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L173] var_1_33 = __VERIFIER_nondet_char() [L174] CALL assume_abort_if_not(var_1_33 >= 62) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=126, var_1_32=0, var_1_33=62, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_33 >= 62) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=126, var_1_32=0, var_1_33=62, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L175] CALL assume_abort_if_not(var_1_33 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=126, var_1_32=0, var_1_33=62, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_33 <= 126) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=126, var_1_32=0, var_1_33=62, var_1_34=32, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L176] var_1_34 = __VERIFIER_nondet_char() [L177] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=126, var_1_32=0, var_1_33=62, var_1_34=28, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=126, var_1_32=0, var_1_33=62, var_1_34=28, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L178] CALL assume_abort_if_not(var_1_34 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=126, var_1_32=0, var_1_33=62, var_1_34=28, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_34 <= 63) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=126, var_1_32=0, var_1_33=62, var_1_34=28, var_1_35=64, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L179] var_1_35 = __VERIFIER_nondet_char() [L180] CALL assume_abort_if_not(var_1_35 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=126, var_1_32=0, var_1_33=62, var_1_34=28, var_1_35=126, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_35 >= 63) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=126, var_1_32=0, var_1_33=62, var_1_34=28, var_1_35=126, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L181] CALL assume_abort_if_not(var_1_35 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=126, var_1_32=0, var_1_33=62, var_1_34=28, var_1_35=126, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_35 <= 126) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=126, var_1_32=0, var_1_33=62, var_1_34=28, var_1_35=126, var_1_36=8, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L182] var_1_36 = __VERIFIER_nondet_char() [L183] CALL assume_abort_if_not(var_1_36 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=126, var_1_32=0, var_1_33=62, var_1_34=28, var_1_35=126, var_1_36=52, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_36 >= 0) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=126, var_1_32=0, var_1_33=62, var_1_34=28, var_1_35=126, var_1_36=52, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L184] CALL assume_abort_if_not(var_1_36 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=126, var_1_32=0, var_1_33=62, var_1_34=28, var_1_35=126, var_1_36=52, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_36 <= 63) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=126, var_1_32=0, var_1_33=62, var_1_34=28, var_1_35=126, var_1_36=52, var_1_37=4, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L185] var_1_37 = __VERIFIER_nondet_char() [L186] CALL assume_abort_if_not(var_1_37 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=126, var_1_32=0, var_1_33=62, var_1_34=28, var_1_35=126, var_1_36=52, var_1_37=53, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_37 >= 0) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=126, var_1_32=0, var_1_33=62, var_1_34=28, var_1_35=126, var_1_36=52, var_1_37=53, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L187] CALL assume_abort_if_not(var_1_37 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=126, var_1_32=0, var_1_33=62, var_1_34=28, var_1_35=126, var_1_36=52, var_1_37=53, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_37 <= 63) VAL [isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=999999991/10, var_1_18=128, var_1_1=32, var_1_22=-16, var_1_23=0, var_1_24=0, var_1_25=-16, var_1_26=16, var_1_27=2, var_1_28=50, var_1_29=-10, var_1_31=126, var_1_32=0, var_1_33=62, var_1_34=28, var_1_35=126, var_1_36=52, var_1_37=53, var_1_38=399/2, var_1_39=10, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=2] [L203] RET updateVariables() [L204] CALL step() [L59] unsigned char stepLocal_1 = last_1_var_1_23; [L60] COND FALSE !(\read(last_1_var_1_23)) [L67] var_1_10 = var_1_15 [L69] signed long int stepLocal_9 = var_1_6; [L70] unsigned char stepLocal_8 = 32.5 < 999.4; [L71] unsigned char stepLocal_7 = var_1_37 < -4; [L72] unsigned char stepLocal_6 = var_1_7; [L73] COND FALSE !(stepLocal_9 != (var_1_8 + (last_1_var_1_29 / var_1_7))) [L84] COND FALSE !(var_1_10 || stepLocal_7) [L87] var_1_29 = ((((((((var_1_37) < (var_1_36)) ? (var_1_37) : (var_1_36)))) > (var_1_33)) ? (((((var_1_37) < (var_1_36)) ? (var_1_37) : (var_1_36)))) : (var_1_33))) [L90] var_1_22 = (var_1_29 - (30604 - var_1_8)) [L91] COND FALSE !(\read(var_1_16)) [L94] var_1_26 = ((((((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))) < (((((50) < 0 ) ? -(50) : (50))))) ? (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))) : (((((50) < 0 ) ? -(50) : (50)))))) [L95] var_1_39 = var_1_36 [L96] var_1_9 = (((((var_1_8) < (var_1_39)) ? (var_1_8) : (var_1_39))) + var_1_7) [L97] signed long int stepLocal_5 = var_1_5 / -100; [L98] COND FALSE !((var_1_9 + var_1_18) < stepLocal_5) [L101] var_1_27 = (var_1_8 + ((((var_1_7) > ((32 + var_1_28))) ? (var_1_7) : ((32 + var_1_28))))) [L102] signed long int stepLocal_3 = var_1_39 / (var_1_7 + var_1_18); [L103] signed long int stepLocal_2 = var_1_26 - var_1_27; [L104] COND FALSE !(stepLocal_3 < var_1_22) [L111] var_1_17 = var_1_20 [L113] signed short int stepLocal_11 = var_1_22; [L114] unsigned short int stepLocal_10 = var_1_18; [L115] COND FALSE !((var_1_34 + (var_1_28 + var_1_8)) <= stepLocal_10) [L122] var_1_38 = var_1_20 [L124] COND TRUE var_1_38 > (var_1_21 + var_1_20) [L125] var_1_25 = ((((var_1_8) < (var_1_28)) ? (var_1_8) : (var_1_28))) [L127] unsigned short int stepLocal_4 = var_1_9; [L128] COND TRUE stepLocal_4 <= (var_1_25 * var_1_8) [L129] var_1_24 = ((var_1_25 >= var_1_7) || var_1_14) [L131] signed long int stepLocal_0 = var_1_25 + var_1_22; [L132] COND FALSE !(stepLocal_0 == (var_1_22 / ((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))) [L204] RET step() [L205] CALL, EXPR property() [L195-L196] return (((((((((((((((var_1_25 + var_1_22) == (var_1_22 / ((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_1 == ((unsigned char) (var_1_7 - var_1_8))) : 1) && (var_1_9 == ((unsigned short int) (((((var_1_8) < (var_1_39)) ? (var_1_8) : (var_1_39))) + var_1_7)))) && (last_1_var_1_23 ? ((last_1_var_1_24 || last_1_var_1_23) ? (var_1_10 == ((unsigned char) var_1_14)) : (var_1_10 == ((unsigned char) (var_1_15 || var_1_16)))) : (var_1_10 == ((unsigned char) var_1_15)))) && (((var_1_39 / (var_1_7 + var_1_18)) < var_1_22) ? (((~ 5) < (var_1_26 - var_1_27)) ? (var_1_17 == ((float) (var_1_20 + var_1_21))) : (var_1_17 == ((float) var_1_21))) : (var_1_17 == ((float) var_1_20)))) && (var_1_22 == ((signed short int) (var_1_29 - (30604 - var_1_8))))) && (var_1_16 ? (var_1_23 == ((unsigned char) (! (! 0)))) : 1)) && ((var_1_9 <= (var_1_25 * var_1_8)) ? (var_1_24 == ((unsigned char) ((var_1_25 >= var_1_7) || var_1_14))) : 1)) && ((var_1_38 > (var_1_21 + var_1_20)) ? (var_1_25 == ((signed short int) ((((var_1_8) < (var_1_28)) ? (var_1_8) : (var_1_28))))) : 1)) && (var_1_26 == ((unsigned char) ((((((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))) < (((((50) < 0 ) ? -(50) : (50))))) ? (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))) : (((((50) < 0 ) ? -(50) : (50))))))))) && (var_1_27 == ((unsigned short int) (var_1_8 + ((((var_1_7) > ((32 + var_1_28))) ? (var_1_7) : ((32 + var_1_28)))))))) && (((var_1_9 + var_1_18) < (var_1_5 / -100)) ? (var_1_28 == ((unsigned long int) (((((var_1_18) > (var_1_7)) ? (var_1_18) : (var_1_7))) + var_1_8))) : 1)) && ((var_1_6 != (var_1_8 + (last_1_var_1_29 / var_1_7))) ? (((32.5 < 999.4) && var_1_10) ? ((last_1_var_1_29 < var_1_7) ? (var_1_29 == ((signed char) (var_1_31 - var_1_32))) : (var_1_29 == ((signed char) ((((var_1_32) < (var_1_31)) ? (var_1_32) : (var_1_31)))))) : (var_1_29 == ((signed char) ((var_1_33 - var_1_34) - (var_1_35 - ((((var_1_36) > (var_1_37)) ? (var_1_36) : (var_1_37)))))))) : ((var_1_10 || (var_1_37 < -4)) ? (var_1_29 == ((signed char) ((((var_1_34) < 0 ) ? -(var_1_34) : (var_1_34))))) : (var_1_29 == ((signed char) ((((((((var_1_37) < (var_1_36)) ? (var_1_37) : (var_1_36)))) > (var_1_33)) ? (((((var_1_37) < (var_1_36)) ? (var_1_37) : (var_1_36)))) : (var_1_33)))))))) && (((var_1_34 + (var_1_28 + var_1_8)) <= var_1_18) ? (((var_1_28 + (5u + var_1_28)) <= var_1_22) ? (var_1_38 == ((float) var_1_21)) : (var_1_38 == ((float) var_1_21))) : (var_1_38 == ((float) var_1_20)))) && (var_1_39 == ((signed char) var_1_36)) ; [L205] RET, EXPR property() [L205] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=2, var_1_18=128, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=-30491, var_1_23=0, var_1_24=1, var_1_25=50, var_1_26=50, var_1_27=178, var_1_28=50, var_1_29=62, var_1_31=126, var_1_32=0, var_1_33=62, var_1_34=28, var_1_35=126, var_1_36=52, var_1_37=53, var_1_38=2, var_1_39=52, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=178] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_23=0, last_1_var_1_24=0, last_1_var_1_29=-10, var_1_10=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=2, var_1_18=128, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=-30491, var_1_23=0, var_1_24=1, var_1_25=50, var_1_26=50, var_1_27=178, var_1_28=50, var_1_29=62, var_1_31=126, var_1_32=0, var_1_33=62, var_1_34=28, var_1_35=126, var_1_36=52, var_1_37=53, var_1_38=2, var_1_39=52, var_1_5=-2, var_1_6=51, var_1_7=127, var_1_8=51, var_1_9=178] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 1, TraceHistogramMax: 34, 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=60occurred 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: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 123 NumberOfCodeBlocks, 123 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 [2023-11-24 23:49:06,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-87.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91 --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 a3cc8f4dc3627ca478516e9ddf056bcaabf24874a2c66b0dbc53cccb617610ef --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:49:09,347 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:49:09,474 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:49:09,485 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:49:09,486 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:49:09,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:49:09,543 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:49:09,544 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:49:09,545 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:49:09,550 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:49:09,551 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:49:09,551 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:49:09,552 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:49:09,553 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:49:09,554 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:49:09,554 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:49:09,555 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:49:09,556 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:49:09,556 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:49:09,558 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:49:09,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:49:09,559 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:49:09,559 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:49:09,560 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:49:09,560 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:49:09,561 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:49:09,561 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:49:09,562 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:49:09,562 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:49:09,562 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:49:09,564 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:49:09,564 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:49:09,565 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:49:09,565 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:49:09,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:49:09,566 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:49:09,566 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:49:09,566 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:49:09,567 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:49:09,568 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:49:09,568 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:49:09,568 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:49:09,569 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:49:09,569 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:49:09,570 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_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3cc8f4dc3627ca478516e9ddf056bcaabf24874a2c66b0dbc53cccb617610ef [2023-11-24 23:49:10,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:49:10,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:49:10,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:49:10,052 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:49:10,052 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:49:10,054 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-87.i [2023-11-24 23:49:13,230 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:49:13,563 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:49:13,564 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-87.i [2023-11-24 23:49:13,574 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/data/f9088d2a7/24deb6cd053142b79738b78f0b43ad74/FLAG069c0cd73 [2023-11-24 23:49:13,591 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/data/f9088d2a7/24deb6cd053142b79738b78f0b43ad74 [2023-11-24 23:49:13,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:49:13,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:49:13,597 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:49:13,597 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:49:13,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:49:13,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:49:13" (1/1) ... [2023-11-24 23:49:13,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cdb99d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:13, skipping insertion in model container [2023-11-24 23:49:13,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:49:13" (1/1) ... [2023-11-24 23:49:13,648 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:49:13,813 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_c72c89ea-db6c-48d2-923c-d6df825a5653/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-87.i[916,929] [2023-11-24 23:49:13,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:49:13,932 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:49:13,947 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_c72c89ea-db6c-48d2-923c-d6df825a5653/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-87.i[916,929] [2023-11-24 23:49:14,030 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:49:14,052 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:49:14,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:14 WrapperNode [2023-11-24 23:49:14,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:49:14,055 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:49:14,055 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:49:14,056 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:49:14,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:14" (1/1) ... [2023-11-24 23:49:14,084 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:14" (1/1) ... [2023-11-24 23:49:14,126 INFO L138 Inliner]: procedures = 27, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 207 [2023-11-24 23:49:14,127 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:49:14,128 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:49:14,128 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:49:14,128 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:49:14,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:14" (1/1) ... [2023-11-24 23:49:14,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:14" (1/1) ... [2023-11-24 23:49:14,145 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:14" (1/1) ... [2023-11-24 23:49:14,145 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:14" (1/1) ... [2023-11-24 23:49:14,162 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:14" (1/1) ... [2023-11-24 23:49:14,167 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:14" (1/1) ... [2023-11-24 23:49:14,171 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:14" (1/1) ... [2023-11-24 23:49:14,174 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:14" (1/1) ... [2023-11-24 23:49:14,180 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:49:14,181 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:49:14,182 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:49:14,182 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:49:14,183 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:14" (1/1) ... [2023-11-24 23:49:14,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:49:14,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:49:14,230 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:49:14,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:49:14,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:49:14,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:49:14,289 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:49:14,289 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:49:14,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:49:14,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:49:14,402 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:49:14,404 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:49:15,754 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:49:15,811 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:49:15,811 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:49:15,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:49:15 BoogieIcfgContainer [2023-11-24 23:49:15,812 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:49:15,814 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:49:15,815 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:49:15,818 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:49:15,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:49:13" (1/3) ... [2023-11-24 23:49:15,820 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a6d71f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:49:15, skipping insertion in model container [2023-11-24 23:49:15,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:14" (2/3) ... [2023-11-24 23:49:15,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a6d71f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:49:15, skipping insertion in model container [2023-11-24 23:49:15,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:49:15" (3/3) ... [2023-11-24 23:49:15,822 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-87.i [2023-11-24 23:49:15,845 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:49:15,846 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:49:15,912 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:49:15,919 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;@14e154cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:49:15,919 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:49:15,926 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 50 states have internal predecessors, (69), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-24 23:49:15,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-24 23:49:15,946 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:49:15,947 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:49:15,948 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:49:15,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:49:15,954 INFO L85 PathProgramCache]: Analyzing trace with hash -59369122, now seen corresponding path program 1 times [2023-11-24 23:49:15,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:49:15,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1398726825] [2023-11-24 23:49:15,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:15,973 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 [2023-11-24 23:49:15,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:49:15,976 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:49:16,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:49:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:49:16,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:49:16,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:49:16,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 626 proven. 0 refuted. 0 times theorem prover too weak. 1618 trivial. 0 not checked. [2023-11-24 23:49:16,636 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:49:16,637 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:49:16,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1398726825] [2023-11-24 23:49:16,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1398726825] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:49:16,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:49:16,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:49:16,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089581096] [2023-11-24 23:49:16,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:49:16,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:49:16,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:49:16,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:49:16,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:49:16,686 INFO L87 Difference]: Start difference. First operand has 86 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 50 states have internal predecessors, (69), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-24 23:49:17,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:49:17,058 INFO L93 Difference]: Finished difference Result 169 states and 306 transitions. [2023-11-24 23:49:17,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:49:17,086 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 209 [2023-11-24 23:49:17,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:49:17,096 INFO L225 Difference]: With dead ends: 169 [2023-11-24 23:49:17,096 INFO L226 Difference]: Without dead ends: 84 [2023-11-24 23:49:17,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:49:17,105 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-24 23:49:17,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-24 23:49:17,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-24 23:49:17,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-11-24 23:49:17,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 48 states have (on average 1.3333333333333333) internal successors, (64), 48 states have internal predecessors, (64), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-24 23:49:17,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 132 transitions. [2023-11-24 23:49:17,173 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 132 transitions. Word has length 209 [2023-11-24 23:49:17,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:49:17,174 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 132 transitions. [2023-11-24 23:49:17,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-24 23:49:17,175 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 132 transitions. [2023-11-24 23:49:17,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-24 23:49:17,181 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:49:17,181 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:49:17,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/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)] Ended with exit code 0 [2023-11-24 23:49:17,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:49:17,382 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:49:17,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:49:17,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1802832602, now seen corresponding path program 1 times [2023-11-24 23:49:17,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:49:17,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1006454723] [2023-11-24 23:49:17,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:17,385 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 [2023-11-24 23:49:17,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:49:17,387 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:49:17,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:49:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:49:17,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:49:17,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:49:18,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1229 proven. 60 refuted. 0 times theorem prover too weak. 955 trivial. 0 not checked. [2023-11-24 23:49:18,858 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:49:19,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 132 proven. 63 refuted. 0 times theorem prover too weak. 2049 trivial. 0 not checked. [2023-11-24 23:49:19,771 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:49:19,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1006454723] [2023-11-24 23:49:19,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1006454723] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:49:19,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1392914682] [2023-11-24 23:49:19,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:19,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:49:19,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-24 23:49:19,822 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:49:19,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 23:49:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:49:21,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:49:21,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:49:21,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1143 proven. 54 refuted. 0 times theorem prover too weak. 1047 trivial. 0 not checked. [2023-11-24 23:49:21,680 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:49:22,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 45 proven. 54 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2023-11-24 23:49:22,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1392914682] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:49:22,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992656998] [2023-11-24 23:49:22,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:22,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:49:22,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:49:22,213 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:49:22,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-24 23:49:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:49:22,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:49:22,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:49:22,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1143 proven. 54 refuted. 0 times theorem prover too weak. 1047 trivial. 0 not checked. [2023-11-24 23:49:22,980 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:49:23,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 45 proven. 54 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2023-11-24 23:49:23,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1992656998] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:49:23,355 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-24 23:49:23,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 5, 5, 5, 5] total 19 [2023-11-24 23:49:23,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392773217] [2023-11-24 23:49:23,358 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-24 23:49:23,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-24 23:49:23,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:49:23,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-24 23:49:23,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2023-11-24 23:49:23,378 INFO L87 Difference]: Start difference. First operand 84 states and 132 transitions. Second operand has 19 states, 19 states have (on average 4.578947368421052) internal successors, (87), 19 states have internal predecessors, (87), 5 states have call successors, (92), 4 states have call predecessors, (92), 9 states have return successors, (95), 5 states have call predecessors, (95), 5 states have call successors, (95) [2023-11-24 23:49:26,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:49:26,894 INFO L93 Difference]: Finished difference Result 276 states and 410 transitions. [2023-11-24 23:49:26,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-24 23:49:26,896 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.578947368421052) internal successors, (87), 19 states have internal predecessors, (87), 5 states have call successors, (92), 4 states have call predecessors, (92), 9 states have return successors, (95), 5 states have call predecessors, (95), 5 states have call successors, (95) Word has length 209 [2023-11-24 23:49:26,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:49:26,901 INFO L225 Difference]: With dead ends: 276 [2023-11-24 23:49:26,902 INFO L226 Difference]: Without dead ends: 193 [2023-11-24 23:49:26,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1279 GetRequests, 1232 SyntacticMatches, 3 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=559, Invalid=1511, Unknown=0, NotChecked=0, Total=2070 [2023-11-24 23:49:26,906 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 527 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 426 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 426 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-24 23:49:26,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [527 Valid, 406 Invalid, 1056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [426 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-24 23:49:26,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2023-11-24 23:49:26,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 178. [2023-11-24 23:49:26,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 104 states have (on average 1.2403846153846154) internal successors, (129), 105 states have internal predecessors, (129), 66 states have call successors, (66), 7 states have call predecessors, (66), 7 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2023-11-24 23:49:26,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 261 transitions. [2023-11-24 23:49:26,950 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 261 transitions. Word has length 209 [2023-11-24 23:49:26,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:49:26,952 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 261 transitions. [2023-11-24 23:49:26,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.578947368421052) internal successors, (87), 19 states have internal predecessors, (87), 5 states have call successors, (92), 4 states have call predecessors, (92), 9 states have return successors, (95), 5 states have call predecessors, (95), 5 states have call successors, (95) [2023-11-24 23:49:26,952 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 261 transitions. [2023-11-24 23:49:26,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-24 23:49:26,965 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:49:26,965 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:49:26,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-24 23:49:27,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:49:27,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-24 23:49:27,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt [2023-11-24 23:49:27,581 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:49:27,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:49:27,582 INFO L85 PathProgramCache]: Analyzing trace with hash -376076886, now seen corresponding path program 1 times [2023-11-24 23:49:27,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:49:27,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1888323101] [2023-11-24 23:49:27,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:27,583 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 [2023-11-24 23:49:27,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:49:27,586 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:49:27,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-24 23:49:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:49:28,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:49:28,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:49:30,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-24 23:49:30,051 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:49:30,051 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:49:30,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1888323101] [2023-11-24 23:49:30,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1888323101] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:49:30,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:49:30,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-24 23:49:30,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52407424] [2023-11-24 23:49:30,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:49:30,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-24 23:49:30,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:49:30,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-24 23:49:30,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-24 23:49:30,055 INFO L87 Difference]: Start difference. First operand 178 states and 261 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-24 23:49:36,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:49:36,237 INFO L93 Difference]: Finished difference Result 425 states and 617 transitions. [2023-11-24 23:49:36,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 23:49:36,239 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 209 [2023-11-24 23:49:36,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:49:36,245 INFO L225 Difference]: With dead ends: 425 [2023-11-24 23:49:36,246 INFO L226 Difference]: Without dead ends: 248 [2023-11-24 23:49:36,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2023-11-24 23:49:36,251 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 110 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-24 23:49:36,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 671 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-24 23:49:36,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2023-11-24 23:49:36,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 219. [2023-11-24 23:49:36,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 135 states have (on average 1.2740740740740741) internal successors, (172), 137 states have internal predecessors, (172), 74 states have call successors, (74), 9 states have call predecessors, (74), 9 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2023-11-24 23:49:36,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 320 transitions. [2023-11-24 23:49:36,335 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 320 transitions. Word has length 209 [2023-11-24 23:49:36,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:49:36,337 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 320 transitions. [2023-11-24 23:49:36,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-24 23:49:36,338 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 320 transitions. [2023-11-24 23:49:36,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-24 23:49:36,345 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:49:36,346 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:49:36,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-24 23:49:36,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:49:36,558 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:49:36,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:49:36,558 INFO L85 PathProgramCache]: Analyzing trace with hash -376017304, now seen corresponding path program 1 times [2023-11-24 23:49:36,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:49:36,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1252343138] [2023-11-24 23:49:36,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:36,560 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 [2023-11-24 23:49:36,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:49:36,566 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:49:36,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72c89ea-db6c-48d2-923c-d6df825a5653/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:49:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:49:37,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-24 23:49:37,226 INFO L285 TraceCheckSpWp]: Computing forward predicates...