./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-88.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire --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 53755642d89d6037be376831b03479fef7eeb8c5758e8107a832bfc0071676df --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:31:24,761 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:31:24,827 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:31:24,833 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:31:24,834 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:31:24,861 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:31:24,862 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:31:24,863 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:31:24,864 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:31:24,864 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:31:24,865 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:31:24,866 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:31:24,866 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:31:24,867 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:31:24,867 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:31:24,868 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:31:24,868 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:31:24,869 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:31:24,870 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:31:24,870 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:31:24,871 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:31:24,872 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:31:24,873 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:31:24,873 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:31:24,874 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:31:24,874 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:31:24,875 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:31:24,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:31:24,876 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:31:24,876 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:31:24,877 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:31:24,877 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:31:24,877 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:31:24,878 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:31:24,878 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:31:24,879 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:31:24,879 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:31:24,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:31:24,880 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:31:24,880 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:31:24,880 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:31:24,881 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:31:24,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:31:24,881 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:31:24,882 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:31:24,882 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:31:24,882 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:31:24,883 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_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53755642d89d6037be376831b03479fef7eeb8c5758e8107a832bfc0071676df [2023-11-23 20:31:25,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:31:25,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:31:25,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:31:25,208 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:31:25,208 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:31:25,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-88.i [2023-11-23 20:31:28,556 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:31:28,856 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:31:28,858 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-88.i [2023-11-23 20:31:28,875 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/data/3c76342c3/86f217aa6e5d49939606d2716cc801a8/FLAG5f12832db [2023-11-23 20:31:28,896 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/data/3c76342c3/86f217aa6e5d49939606d2716cc801a8 [2023-11-23 20:31:28,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:31:28,905 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:31:28,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:31:28,908 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:31:28,915 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:31:28,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:28" (1/1) ... [2023-11-23 20:31:28,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e809747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:28, skipping insertion in model container [2023-11-23 20:31:28,919 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:28" (1/1) ... [2023-11-23 20:31:28,979 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:31:29,136 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_6c2e7150-9168-4842-9fd8-4306276b3cb6/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-88.i[916,929] [2023-11-23 20:31:29,248 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:31:29,266 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:31:29,278 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_6c2e7150-9168-4842-9fd8-4306276b3cb6/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-88.i[916,929] [2023-11-23 20:31:29,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:31:29,356 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:31:29,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:29 WrapperNode [2023-11-23 20:31:29,357 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:31:29,358 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:31:29,358 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:31:29,358 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:31:29,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:29" (1/1) ... [2023-11-23 20:31:29,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:29" (1/1) ... [2023-11-23 20:31:29,504 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 274 [2023-11-23 20:31:29,504 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:31:29,505 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:31:29,505 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:31:29,505 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:31:29,517 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:29" (1/1) ... [2023-11-23 20:31:29,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:29" (1/1) ... [2023-11-23 20:31:29,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:29" (1/1) ... [2023-11-23 20:31:29,523 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:29" (1/1) ... [2023-11-23 20:31:29,542 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:29" (1/1) ... [2023-11-23 20:31:29,547 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:29" (1/1) ... [2023-11-23 20:31:29,553 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:29" (1/1) ... [2023-11-23 20:31:29,557 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:29" (1/1) ... [2023-11-23 20:31:29,566 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:31:29,567 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:31:29,567 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:31:29,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:31:29,569 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:29" (1/1) ... [2023-11-23 20:31:29,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:31:29,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:31:29,627 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:31:29,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:31:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:31:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:31:29,674 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:31:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:31:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:31:29,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:31:29,823 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:31:29,825 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:31:30,638 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:31:31,147 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:31:31,148 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:31:31,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:31 BoogieIcfgContainer [2023-11-23 20:31:31,150 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:31:31,154 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:31:31,155 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:31:31,160 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:31:31,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:31:28" (1/3) ... [2023-11-23 20:31:31,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b46e7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:31, skipping insertion in model container [2023-11-23 20:31:31,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:29" (2/3) ... [2023-11-23 20:31:31,165 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b46e7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:31, skipping insertion in model container [2023-11-23 20:31:31,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:31" (3/3) ... [2023-11-23 20:31:31,167 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-88.i [2023-11-23 20:31:31,191 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:31:31,192 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:31:31,265 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:31:31,272 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;@56c9f49e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:31:31,272 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:31:31,277 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 20:31:31,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 20:31:31,291 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:31,292 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:31:31,293 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:31:31,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:31,298 INFO L85 PathProgramCache]: Analyzing trace with hash 852927187, now seen corresponding path program 1 times [2023-11-23 20:31:31,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:31:31,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832740302] [2023-11-23 20:31:31,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:31,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:31,510 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:31:31,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1254558301] [2023-11-23 20:31:31,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:31,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:31:31,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:31:31,514 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:31:31,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 20:31:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:31:32,085 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:31:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:31:34,809 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:31:34,812 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:31:34,813 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:31:34,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:31:35,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 20:31:35,031 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:31:35,036 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:31:35,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:31:35 BoogieIcfgContainer [2023-11-23 20:31:35,208 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:31:35,208 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:31:35,208 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:31:35,209 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:31:35,209 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:31" (3/4) ... [2023-11-23 20:31:35,211 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:31:35,212 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:31:35,214 INFO L158 Benchmark]: Toolchain (without parser) took 6308.29ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 118.1MB in the beginning and 77.7MB in the end (delta: 40.4MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. [2023-11-23 20:31:35,215 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:31:35,216 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.58ms. Allocated memory is still 157.3MB. Free memory was 118.1MB in the beginning and 101.2MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:31:35,217 INFO L158 Benchmark]: Boogie Procedure Inliner took 146.48ms. Allocated memory is still 157.3MB. Free memory was 101.2MB in the beginning and 96.3MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:31:35,222 INFO L158 Benchmark]: Boogie Preprocessor took 61.27ms. Allocated memory is still 157.3MB. Free memory was 96.3MB in the beginning and 93.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:31:35,224 INFO L158 Benchmark]: RCFGBuilder took 1583.06ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 93.6MB in the beginning and 140.6MB in the end (delta: -47.0MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2023-11-23 20:31:35,224 INFO L158 Benchmark]: TraceAbstraction took 4053.32ms. Allocated memory is still 188.7MB. Free memory was 140.6MB in the beginning and 77.7MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-23 20:31:35,225 INFO L158 Benchmark]: Witness Printer took 4.44ms. Allocated memory is still 188.7MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:31:35,234 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 449.58ms. Allocated memory is still 157.3MB. Free memory was 118.1MB in the beginning and 101.2MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 146.48ms. Allocated memory is still 157.3MB. Free memory was 101.2MB in the beginning and 96.3MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.27ms. Allocated memory is still 157.3MB. Free memory was 96.3MB in the beginning and 93.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1583.06ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 93.6MB in the beginning and 140.6MB in the end (delta: -47.0MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. * TraceAbstraction took 4053.32ms. Allocated memory is still 188.7MB. Free memory was 140.6MB in the beginning and 77.7MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Witness Printer took 4.44ms. Allocated memory is still 188.7MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 62, overapproximation of shiftLeft at line 131, overapproximation of shiftRight at line 135, overapproximation of bitwiseAnd at line 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 204, overapproximation of someBinaryArithmeticFLOAToperation at line 91. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 128; [L23] float var_1_9 = 7.375; [L24] float var_1_11 = 0.6; [L25] float var_1_12 = 255.6; [L26] unsigned char var_1_13 = 0; [L27] float var_1_14 = 5.875; [L28] signed long int var_1_15 = -128; [L29] unsigned long int var_1_16 = 8; [L30] unsigned long int var_1_18 = 1477246099; [L31] unsigned long int var_1_19 = 1364989049; [L32] unsigned char var_1_20 = 128; [L33] unsigned char var_1_21 = 1; [L34] float var_1_22 = 10000000.4; [L35] float var_1_24 = 100.875; [L36] signed short int var_1_25 = -4; [L37] unsigned char var_1_26 = 32; [L38] signed char var_1_27 = 16; [L39] signed char var_1_28 = -64; [L40] signed char var_1_29 = 2; [L41] signed char var_1_30 = -2; [L42] unsigned short int var_1_31 = 8; [L43] unsigned short int var_1_32 = 25791; [L44] float var_1_34 = 25.3; [L45] float var_1_35 = 4.5; [L46] unsigned char var_1_36 = 0; [L47] unsigned char var_1_37 = 0; [L48] unsigned char var_1_38 = 0; [L49] double var_1_39 = 256.5; [L50] signed short int last_1_var_1_1 = 128; [L51] float last_1_var_1_9 = 7.375; [L52] signed long int last_1_var_1_15 = -128; [L53] unsigned long int last_1_var_1_16 = 8; [L54] unsigned char last_1_var_1_20 = 128; [L55] signed short int last_1_var_1_25 = -4; [L56] signed char last_1_var_1_27 = 16; [L57] unsigned char last_1_var_1_36 = 0; [L208] isInitial = 1 [L209] FCALL initially() [L210] int k_loop; [L211] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_11=3/5, var_1_12=1278/5, var_1_13=0, var_1_14=47/8, var_1_15=-128, var_1_16=8, var_1_18=1477246099, var_1_19=1364989049, var_1_1=128, var_1_20=128, var_1_21=1, var_1_22=50000002/5, var_1_24=807/8, var_1_25=-4, var_1_26=32, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L211] COND TRUE k_loop < 1 [L212] CALL updateLastVariables() [L194] last_1_var_1_1 = var_1_1 [L195] last_1_var_1_9 = var_1_9 [L196] last_1_var_1_15 = var_1_15 [L197] last_1_var_1_16 = var_1_16 [L198] last_1_var_1_20 = var_1_20 [L199] last_1_var_1_25 = var_1_25 [L200] last_1_var_1_27 = var_1_27 [L201] last_1_var_1_36 = var_1_36 [L212] RET updateLastVariables() [L213] CALL updateVariables() [L148] var_1_11 = __VERIFIER_nondet_float() [L149] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_12=1278/5, var_1_13=0, var_1_14=47/8, var_1_15=-128, var_1_16=8, var_1_18=1477246099, var_1_19=1364989049, var_1_1=128, var_1_20=128, var_1_21=1, var_1_22=50000002/5, var_1_24=807/8, var_1_25=-4, var_1_26=32, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_12=1278/5, var_1_13=0, var_1_14=47/8, var_1_15=-128, var_1_16=8, var_1_18=1477246099, var_1_19=1364989049, var_1_1=128, var_1_20=128, var_1_21=1, var_1_22=50000002/5, var_1_24=807/8, var_1_25=-4, var_1_26=32, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L150] var_1_12 = __VERIFIER_nondet_float() [L151] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=0, var_1_14=47/8, var_1_15=-128, var_1_16=8, var_1_18=1477246099, var_1_19=1364989049, var_1_1=128, var_1_20=128, var_1_21=1, var_1_22=50000002/5, var_1_24=807/8, var_1_25=-4, var_1_26=32, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=0, var_1_14=47/8, var_1_15=-128, var_1_16=8, var_1_18=1477246099, var_1_19=1364989049, var_1_1=128, var_1_20=128, var_1_21=1, var_1_22=50000002/5, var_1_24=807/8, var_1_25=-4, var_1_26=32, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L152] var_1_13 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_14=47/8, var_1_15=-128, var_1_16=8, var_1_18=1477246099, var_1_19=1364989049, var_1_1=128, var_1_20=128, var_1_21=1, var_1_22=50000002/5, var_1_24=807/8, var_1_25=-4, var_1_26=32, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_14=47/8, var_1_15=-128, var_1_16=8, var_1_18=1477246099, var_1_19=1364989049, var_1_1=128, var_1_20=128, var_1_21=1, var_1_22=50000002/5, var_1_24=807/8, var_1_25=-4, var_1_26=32, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L154] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_14=47/8, var_1_15=-128, var_1_16=8, var_1_18=1477246099, var_1_19=1364989049, var_1_1=128, var_1_20=128, var_1_21=1, var_1_22=50000002/5, var_1_24=807/8, var_1_25=-4, var_1_26=32, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_14=47/8, var_1_15=-128, var_1_16=8, var_1_18=1477246099, var_1_19=1364989049, var_1_1=128, var_1_20=128, var_1_21=1, var_1_22=50000002/5, var_1_24=807/8, var_1_25=-4, var_1_26=32, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L155] var_1_14 = __VERIFIER_nondet_float() [L156] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=1477246099, var_1_19=1364989049, var_1_1=128, var_1_20=128, var_1_21=1, var_1_22=50000002/5, var_1_24=807/8, var_1_25=-4, var_1_26=32, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=1477246099, var_1_19=1364989049, var_1_1=128, var_1_20=128, var_1_21=1, var_1_22=50000002/5, var_1_24=807/8, var_1_25=-4, var_1_26=32, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L157] var_1_18 = __VERIFIER_nondet_ulong() [L158] CALL assume_abort_if_not(var_1_18 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=1364989049, var_1_1=128, var_1_20=128, var_1_21=1, var_1_22=50000002/5, var_1_24=807/8, var_1_25=-4, var_1_26=32, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_18 >= 1073741823) VAL [isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=1364989049, var_1_1=128, var_1_20=128, var_1_21=1, var_1_22=50000002/5, var_1_24=807/8, var_1_25=-4, var_1_26=32, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L159] CALL assume_abort_if_not(var_1_18 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=1364989049, var_1_1=128, var_1_20=128, var_1_21=1, var_1_22=50000002/5, var_1_24=807/8, var_1_25=-4, var_1_26=32, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_18 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=1364989049, var_1_1=128, var_1_20=128, var_1_21=1, var_1_22=50000002/5, var_1_24=807/8, var_1_25=-4, var_1_26=32, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L160] var_1_19 = __VERIFIER_nondet_ulong() [L161] CALL assume_abort_if_not(var_1_19 >= 1073741824) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=1, var_1_22=50000002/5, var_1_24=807/8, var_1_25=-4, var_1_26=32, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_19 >= 1073741824) VAL [isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=1, var_1_22=50000002/5, var_1_24=807/8, var_1_25=-4, var_1_26=32, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L162] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=1, var_1_22=50000002/5, var_1_24=807/8, var_1_25=-4, var_1_26=32, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=1, var_1_22=50000002/5, var_1_24=807/8, var_1_25=-4, var_1_26=32, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L163] var_1_21 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_22=50000002/5, var_1_24=807/8, var_1_25=-4, var_1_26=32, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_22=50000002/5, var_1_24=807/8, var_1_25=-4, var_1_26=32, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L165] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_24=807/8, var_1_25=-4, var_1_26=32, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_24=807/8, var_1_25=-4, var_1_26=32, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L166] var_1_24 = __VERIFIER_nondet_float() [L167] CALL assume_abort_if_not((var_1_24 >= -922337.2036854765600e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=32, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not((var_1_24 >= -922337.2036854765600e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=32, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L168] var_1_26 = __VERIFIER_nondet_uchar() [L169] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L170] CALL assume_abort_if_not(var_1_26 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_26 <= 255) VAL [isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L171] CALL assume_abort_if_not(var_1_26 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=3, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_26 != 0) VAL [isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=3, var_1_27=16, var_1_28=-64, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L172] var_1_28 = __VERIFIER_nondet_char() [L173] CALL assume_abort_if_not(var_1_28 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=3, var_1_27=16, var_1_28=12, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_28 >= -127) VAL [isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=3, var_1_27=16, var_1_28=12, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L174] CALL assume_abort_if_not(var_1_28 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=3, var_1_27=16, var_1_28=12, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_28 <= 126) VAL [isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=3, var_1_27=16, var_1_28=12, var_1_29=2, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L175] var_1_29 = __VERIFIER_nondet_char() [L176] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=3, var_1_27=16, var_1_28=12, var_1_29=0, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=3, var_1_27=16, var_1_28=12, var_1_29=0, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L177] CALL assume_abort_if_not(var_1_29 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=3, var_1_27=16, var_1_28=12, var_1_29=0, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_29 <= 126) VAL [isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=3, var_1_27=16, var_1_28=12, var_1_29=0, var_1_30=-2, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L178] var_1_30 = __VERIFIER_nondet_char() [L179] CALL assume_abort_if_not(var_1_30 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=3, var_1_27=16, var_1_28=12, var_1_29=0, var_1_30=-126, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_30 >= -126) VAL [isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=3, var_1_27=16, var_1_28=12, var_1_29=0, var_1_30=-126, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L180] CALL assume_abort_if_not(var_1_30 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=3, var_1_27=16, var_1_28=12, var_1_29=0, var_1_30=-126, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_30 <= 126) VAL [isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=3, var_1_27=16, var_1_28=12, var_1_29=0, var_1_30=-126, var_1_31=8, var_1_32=25791, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L181] var_1_32 = __VERIFIER_nondet_ushort() [L182] CALL assume_abort_if_not(var_1_32 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=3, var_1_27=16, var_1_28=12, var_1_29=0, var_1_30=-126, var_1_31=8, var_1_32=16383, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_32 >= 16383) VAL [isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=3, var_1_27=16, var_1_28=12, var_1_29=0, var_1_30=-126, var_1_31=8, var_1_32=16383, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L183] CALL assume_abort_if_not(var_1_32 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=3, var_1_27=16, var_1_28=12, var_1_29=0, var_1_30=-126, var_1_31=8, var_1_32=16383, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_32 <= 32767) VAL [isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=3, var_1_27=16, var_1_28=12, var_1_29=0, var_1_30=-126, var_1_31=8, var_1_32=16383, var_1_34=253/10, var_1_35=9/2, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L184] var_1_35 = __VERIFIER_nondet_float() [L185] CALL assume_abort_if_not((var_1_35 >= 0.0F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854765600e+12F && var_1_35 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=3, var_1_27=16, var_1_28=12, var_1_29=0, var_1_30=-126, var_1_31=8, var_1_32=16383, var_1_34=253/10, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not((var_1_35 >= 0.0F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854765600e+12F && var_1_35 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=3, var_1_27=16, var_1_28=12, var_1_29=0, var_1_30=-126, var_1_31=8, var_1_32=16383, var_1_34=253/10, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L186] var_1_37 = __VERIFIER_nondet_uchar() [L187] CALL assume_abort_if_not(var_1_37 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=3, var_1_27=16, var_1_28=12, var_1_29=0, var_1_30=-126, var_1_31=8, var_1_32=16383, var_1_34=253/10, var_1_36=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_37 >= 0) VAL [isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=3, var_1_27=16, var_1_28=12, var_1_29=0, var_1_30=-126, var_1_31=8, var_1_32=16383, var_1_34=253/10, var_1_36=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L188] CALL assume_abort_if_not(var_1_37 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=3, var_1_27=16, var_1_28=12, var_1_29=0, var_1_30=-126, var_1_31=8, var_1_32=16383, var_1_34=253/10, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_37 <= 0) VAL [isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=3, var_1_27=16, var_1_28=12, var_1_29=0, var_1_30=-126, var_1_31=8, var_1_32=16383, var_1_34=253/10, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L189] var_1_38 = __VERIFIER_nondet_uchar() [L190] CALL assume_abort_if_not(var_1_38 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=3, var_1_27=16, var_1_28=12, var_1_29=0, var_1_30=-126, var_1_31=8, var_1_32=16383, var_1_34=253/10, var_1_36=0, var_1_37=0, var_1_39=513/2, var_1_9=59/8] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_38 >= 0) VAL [isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=3, var_1_27=16, var_1_28=12, var_1_29=0, var_1_30=-126, var_1_31=8, var_1_32=16383, var_1_34=253/10, var_1_36=0, var_1_37=0, var_1_39=513/2, var_1_9=59/8] [L191] CALL assume_abort_if_not(var_1_38 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=3, var_1_27=16, var_1_28=12, var_1_29=0, var_1_30=-126, var_1_31=8, var_1_32=16383, var_1_34=253/10, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not(var_1_38 <= 0) VAL [isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_15=-128, var_1_16=8, var_1_18=2147483647, var_1_19=2147483647, var_1_1=128, var_1_20=128, var_1_21=48, var_1_22=50000002/5, var_1_25=-4, var_1_26=3, var_1_27=16, var_1_28=12, var_1_29=0, var_1_30=-126, var_1_31=8, var_1_32=16383, var_1_34=253/10, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=513/2, var_1_9=59/8] [L213] RET updateVariables() [L214] CALL step() [L61] unsigned char stepLocal_6 = var_1_21; [L62] COND TRUE var_1_24 <= ((((last_1_var_1_9) > (var_1_14)) ? (last_1_var_1_9) : (var_1_14))) [L63] COND FALSE !(stepLocal_6 != ((last_1_var_1_20 + last_1_var_1_27) / var_1_26)) [L66] var_1_25 = last_1_var_1_16 [L71] signed long int stepLocal_7 = last_1_var_1_15 - var_1_21; [L72] COND TRUE ! last_1_var_1_36 [L73] COND TRUE last_1_var_1_1 >= stepLocal_7 [L74] var_1_27 = var_1_28 [L81] unsigned char stepLocal_3 = var_1_12 >= var_1_14; [L82] COND FALSE !(var_1_12 <= (31.8f / 127.5f)) [L87] unsigned long int stepLocal_8 = 64u / var_1_18; [L88] EXPR var_1_21 & var_1_20 [L88] COND TRUE ((var_1_26 + var_1_29) * (var_1_21 & var_1_20)) >= stepLocal_8 [L89] var_1_31 = (var_1_21 + (var_1_32 - var_1_20)) [L91] var_1_34 = (var_1_35 - 10.6f) [L92] var_1_39 = var_1_35 [L93] signed long int stepLocal_2 = last_1_var_1_27; [L94] COND FALSE !((last_1_var_1_25 + last_1_var_1_20) == stepLocal_2) [L97] var_1_16 = last_1_var_1_20 [L99] signed short int stepLocal_10 = var_1_25; [L100] unsigned long int stepLocal_9 = var_1_16; [L101] COND TRUE 8 <= stepLocal_9 [L102] COND TRUE var_1_19 > stepLocal_10 [L103] var_1_36 = (var_1_37 || (var_1_13 && var_1_38)) [L108] signed long int stepLocal_1 = -2; [L109] COND FALSE !(\read(var_1_36)) [L124] unsigned short int stepLocal_0 = var_1_31; [L125] COND TRUE stepLocal_0 >= ((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20))) [L126] var_1_1 = ((((((var_1_27 + var_1_27) + var_1_27)) > (var_1_27)) ? (((var_1_27 + var_1_27) + var_1_27)) : (var_1_27))) [L130] COND FALSE !(var_1_20 >= ((((var_1_31) > (-64)) ? (var_1_31) : (-64)))) [L135] EXPR ((((var_1_31) > (var_1_31)) ? (var_1_31) : (var_1_31))) >> var_1_27 [L135] signed long int stepLocal_5 = ((((var_1_31) > (var_1_31)) ? (var_1_31) : (var_1_31))) >> var_1_27; [L136] signed long int stepLocal_4 = (var_1_1 - var_1_21) * var_1_27; [L137] COND FALSE !(stepLocal_4 <= ((var_1_1 + 25) - (var_1_18 - var_1_20))) [L144] var_1_22 = var_1_24 [L214] RET step() [L215] CALL, EXPR property() [L204] EXPR (((var_1_31 >= ((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) ? (var_1_1 == ((signed short int) ((((((var_1_27 + var_1_27) + var_1_27)) > (var_1_27)) ? (((var_1_27 + var_1_27) + var_1_27)) : (var_1_27))))) : (var_1_1 == ((signed short int) var_1_27))) && (var_1_36 ? ((-2 <= var_1_20) ? (((var_1_34 + 1.2f) == (var_1_11 - var_1_12)) ? (var_1_36 ? (var_1_9 == ((float) var_1_14)) : (var_1_9 == ((float) var_1_14))) : (var_1_9 == ((float) 64.5f))) : (var_1_9 == ((float) var_1_14))) : 1)) && ((var_1_20 >= ((((var_1_31) > (-64)) ? (var_1_31) : (-64)))) ? ((var_1_27 < (var_1_20 << var_1_27)) ? (var_1_15 == ((signed long int) ((((var_1_31) > (var_1_27)) ? (var_1_31) : (var_1_27))))) : 1) : 1) [L204] EXPR (var_1_20 >= ((((var_1_31) > (-64)) ? (var_1_31) : (-64)))) ? ((var_1_27 < (var_1_20 << var_1_27)) ? (var_1_15 == ((signed long int) ((((var_1_31) > (var_1_27)) ? (var_1_31) : (var_1_27))))) : 1) : 1 [L204] EXPR (((var_1_31 >= ((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) ? (var_1_1 == ((signed short int) ((((((var_1_27 + var_1_27) + var_1_27)) > (var_1_27)) ? (((var_1_27 + var_1_27) + var_1_27)) : (var_1_27))))) : (var_1_1 == ((signed short int) var_1_27))) && (var_1_36 ? ((-2 <= var_1_20) ? (((var_1_34 + 1.2f) == (var_1_11 - var_1_12)) ? (var_1_36 ? (var_1_9 == ((float) var_1_14)) : (var_1_9 == ((float) var_1_14))) : (var_1_9 == ((float) 64.5f))) : (var_1_9 == ((float) var_1_14))) : 1)) && ((var_1_20 >= ((((var_1_31) > (-64)) ? (var_1_31) : (-64)))) ? ((var_1_27 < (var_1_20 << var_1_27)) ? (var_1_15 == ((signed long int) ((((var_1_31) > (var_1_27)) ? (var_1_31) : (var_1_27))))) : 1) : 1) [L204] EXPR ((((((var_1_31 >= ((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) ? (var_1_1 == ((signed short int) ((((((var_1_27 + var_1_27) + var_1_27)) > (var_1_27)) ? (((var_1_27 + var_1_27) + var_1_27)) : (var_1_27))))) : (var_1_1 == ((signed short int) var_1_27))) && (var_1_36 ? ((-2 <= var_1_20) ? (((var_1_34 + 1.2f) == (var_1_11 - var_1_12)) ? (var_1_36 ? (var_1_9 == ((float) var_1_14)) : (var_1_9 == ((float) var_1_14))) : (var_1_9 == ((float) 64.5f))) : (var_1_9 == ((float) var_1_14))) : 1)) && ((var_1_20 >= ((((var_1_31) > (-64)) ? (var_1_31) : (-64)))) ? ((var_1_27 < (var_1_20 << var_1_27)) ? (var_1_15 == ((signed long int) ((((var_1_31) > (var_1_27)) ? (var_1_31) : (var_1_27))))) : 1) : 1)) && (((last_1_var_1_25 + last_1_var_1_20) == last_1_var_1_27) ? (var_1_16 == ((unsigned long int) ((var_1_18 + var_1_19) - last_1_var_1_20))) : (var_1_16 == ((unsigned long int) last_1_var_1_20)))) && ((var_1_12 <= (31.8f / 127.5f)) ? (((var_1_12 >= var_1_14) && last_1_var_1_36) ? (var_1_20 == ((unsigned char) var_1_21)) : 1) : 1)) && ((((var_1_1 - var_1_21) * var_1_27) <= ((var_1_1 + 25) - (var_1_18 - var_1_20))) ? (((((((var_1_31) > (var_1_31)) ? (var_1_31) : (var_1_31))) >> var_1_27) > var_1_21) ? (var_1_22 == ((float) var_1_24)) : (var_1_22 == ((float) var_1_24))) : (var_1_22 == ((float) var_1_24))) [L204] EXPR (((var_1_1 - var_1_21) * var_1_27) <= ((var_1_1 + 25) - (var_1_18 - var_1_20))) ? (((((((var_1_31) > (var_1_31)) ? (var_1_31) : (var_1_31))) >> var_1_27) > var_1_21) ? (var_1_22 == ((float) var_1_24)) : (var_1_22 == ((float) var_1_24))) : (var_1_22 == ((float) var_1_24)) [L204] EXPR ((((((var_1_31 >= ((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) ? (var_1_1 == ((signed short int) ((((((var_1_27 + var_1_27) + var_1_27)) > (var_1_27)) ? (((var_1_27 + var_1_27) + var_1_27)) : (var_1_27))))) : (var_1_1 == ((signed short int) var_1_27))) && (var_1_36 ? ((-2 <= var_1_20) ? (((var_1_34 + 1.2f) == (var_1_11 - var_1_12)) ? (var_1_36 ? (var_1_9 == ((float) var_1_14)) : (var_1_9 == ((float) var_1_14))) : (var_1_9 == ((float) 64.5f))) : (var_1_9 == ((float) var_1_14))) : 1)) && ((var_1_20 >= ((((var_1_31) > (-64)) ? (var_1_31) : (-64)))) ? ((var_1_27 < (var_1_20 << var_1_27)) ? (var_1_15 == ((signed long int) ((((var_1_31) > (var_1_27)) ? (var_1_31) : (var_1_27))))) : 1) : 1)) && (((last_1_var_1_25 + last_1_var_1_20) == last_1_var_1_27) ? (var_1_16 == ((unsigned long int) ((var_1_18 + var_1_19) - last_1_var_1_20))) : (var_1_16 == ((unsigned long int) last_1_var_1_20)))) && ((var_1_12 <= (31.8f / 127.5f)) ? (((var_1_12 >= var_1_14) && last_1_var_1_36) ? (var_1_20 == ((unsigned char) var_1_21)) : 1) : 1)) && ((((var_1_1 - var_1_21) * var_1_27) <= ((var_1_1 + 25) - (var_1_18 - var_1_20))) ? (((((((var_1_31) > (var_1_31)) ? (var_1_31) : (var_1_31))) >> var_1_27) > var_1_21) ? (var_1_22 == ((float) var_1_24)) : (var_1_22 == ((float) var_1_24))) : (var_1_22 == ((float) var_1_24))) [L204] EXPR (((((((((var_1_31 >= ((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) ? (var_1_1 == ((signed short int) ((((((var_1_27 + var_1_27) + var_1_27)) > (var_1_27)) ? (((var_1_27 + var_1_27) + var_1_27)) : (var_1_27))))) : (var_1_1 == ((signed short int) var_1_27))) && (var_1_36 ? ((-2 <= var_1_20) ? (((var_1_34 + 1.2f) == (var_1_11 - var_1_12)) ? (var_1_36 ? (var_1_9 == ((float) var_1_14)) : (var_1_9 == ((float) var_1_14))) : (var_1_9 == ((float) 64.5f))) : (var_1_9 == ((float) var_1_14))) : 1)) && ((var_1_20 >= ((((var_1_31) > (-64)) ? (var_1_31) : (-64)))) ? ((var_1_27 < (var_1_20 << var_1_27)) ? (var_1_15 == ((signed long int) ((((var_1_31) > (var_1_27)) ? (var_1_31) : (var_1_27))))) : 1) : 1)) && (((last_1_var_1_25 + last_1_var_1_20) == last_1_var_1_27) ? (var_1_16 == ((unsigned long int) ((var_1_18 + var_1_19) - last_1_var_1_20))) : (var_1_16 == ((unsigned long int) last_1_var_1_20)))) && ((var_1_12 <= (31.8f / 127.5f)) ? (((var_1_12 >= var_1_14) && last_1_var_1_36) ? (var_1_20 == ((unsigned char) var_1_21)) : 1) : 1)) && ((((var_1_1 - var_1_21) * var_1_27) <= ((var_1_1 + 25) - (var_1_18 - var_1_20))) ? (((((((var_1_31) > (var_1_31)) ? (var_1_31) : (var_1_31))) >> var_1_27) > var_1_21) ? (var_1_22 == ((float) var_1_24)) : (var_1_22 == ((float) var_1_24))) : (var_1_22 == ((float) var_1_24)))) && ((var_1_24 <= ((((last_1_var_1_9) > (var_1_14)) ? (last_1_var_1_9) : (var_1_14)))) ? ((var_1_21 != ((last_1_var_1_20 + last_1_var_1_27) / var_1_26)) ? (var_1_25 == ((signed short int) last_1_var_1_20)) : (var_1_25 == ((signed short int) last_1_var_1_16))) : (var_1_25 == ((signed short int) last_1_var_1_27)))) && ((! last_1_var_1_36) ? ((last_1_var_1_1 >= (last_1_var_1_15 - var_1_21)) ? (var_1_27 == ((signed char) var_1_28)) : (var_1_27 == ((signed char) (((((((((-2) < 0 ) ? -(-2) : (-2))) - var_1_29)) < (((((var_1_30) < 0 ) ? -(var_1_30) : (var_1_30))))) ? ((((((-2) < 0 ) ? -(-2) : (-2))) - var_1_29)) : (((((var_1_30) < 0 ) ? -(var_1_30) : (var_1_30))))))))) : (var_1_27 == ((signed char) var_1_29)))) && ((((var_1_26 + var_1_29) * (var_1_21 & var_1_20)) >= (64u / var_1_18)) ? (var_1_31 == ((unsigned short int) (var_1_21 + (var_1_32 - var_1_20)))) : 1) [L204-L205] return ((((((((((((var_1_31 >= ((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) ? (var_1_1 == ((signed short int) ((((((var_1_27 + var_1_27) + var_1_27)) > (var_1_27)) ? (((var_1_27 + var_1_27) + var_1_27)) : (var_1_27))))) : (var_1_1 == ((signed short int) var_1_27))) && (var_1_36 ? ((-2 <= var_1_20) ? (((var_1_34 + 1.2f) == (var_1_11 - var_1_12)) ? (var_1_36 ? (var_1_9 == ((float) var_1_14)) : (var_1_9 == ((float) var_1_14))) : (var_1_9 == ((float) 64.5f))) : (var_1_9 == ((float) var_1_14))) : 1)) && ((var_1_20 >= ((((var_1_31) > (-64)) ? (var_1_31) : (-64)))) ? ((var_1_27 < (var_1_20 << var_1_27)) ? (var_1_15 == ((signed long int) ((((var_1_31) > (var_1_27)) ? (var_1_31) : (var_1_27))))) : 1) : 1)) && (((last_1_var_1_25 + last_1_var_1_20) == last_1_var_1_27) ? (var_1_16 == ((unsigned long int) ((var_1_18 + var_1_19) - last_1_var_1_20))) : (var_1_16 == ((unsigned long int) last_1_var_1_20)))) && ((var_1_12 <= (31.8f / 127.5f)) ? (((var_1_12 >= var_1_14) && last_1_var_1_36) ? (var_1_20 == ((unsigned char) var_1_21)) : 1) : 1)) && ((((var_1_1 - var_1_21) * var_1_27) <= ((var_1_1 + 25) - (var_1_18 - var_1_20))) ? (((((((var_1_31) > (var_1_31)) ? (var_1_31) : (var_1_31))) >> var_1_27) > var_1_21) ? (var_1_22 == ((float) var_1_24)) : (var_1_22 == ((float) var_1_24))) : (var_1_22 == ((float) var_1_24)))) && ((var_1_24 <= ((((last_1_var_1_9) > (var_1_14)) ? (last_1_var_1_9) : (var_1_14)))) ? ((var_1_21 != ((last_1_var_1_20 + last_1_var_1_27) / var_1_26)) ? (var_1_25 == ((signed short int) last_1_var_1_20)) : (var_1_25 == ((signed short int) last_1_var_1_16))) : (var_1_25 == ((signed short int) last_1_var_1_27)))) && ((! last_1_var_1_36) ? ((last_1_var_1_1 >= (last_1_var_1_15 - var_1_21)) ? (var_1_27 == ((signed char) var_1_28)) : (var_1_27 == ((signed char) (((((((((-2) < 0 ) ? -(-2) : (-2))) - var_1_29)) < (((((var_1_30) < 0 ) ? -(var_1_30) : (var_1_30))))) ? ((((((-2) < 0 ) ? -(-2) : (-2))) - var_1_29)) : (((((var_1_30) < 0 ) ? -(var_1_30) : (var_1_30))))))))) : (var_1_27 == ((signed char) var_1_29)))) && ((((var_1_26 + var_1_29) * (var_1_21 & var_1_20)) >= (64u / var_1_18)) ? (var_1_31 == ((unsigned short int) (var_1_21 + (var_1_32 - var_1_20)))) : 1)) && (var_1_34 == ((float) (var_1_35 - 10.6f)))) && ((8 <= var_1_16) ? ((var_1_19 > var_1_25) ? (var_1_36 == ((unsigned char) (var_1_37 || (var_1_13 && var_1_38)))) : (var_1_36 == ((unsigned char) (! (! var_1_37))))) : 1)) && (var_1_39 == ((double) var_1_35)) ; [L215] RET, EXPR property() [L215] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_14=0, var_1_15=-128, var_1_16=128, var_1_18=2147483647, var_1_19=2147483647, var_1_1=36, var_1_20=128, var_1_21=48, var_1_22=2, var_1_24=2, var_1_25=8, var_1_26=3, var_1_27=12, var_1_28=12, var_1_29=0, var_1_30=-126, var_1_31=16303, var_1_32=16383, var_1_35=3, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=3, var_1_9=59/8] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=-128, last_1_var_1_16=8, last_1_var_1_1=128, last_1_var_1_20=128, last_1_var_1_25=-4, last_1_var_1_27=16, last_1_var_1_36=0, last_1_var_1_9=59/8, var_1_13=1, var_1_14=0, var_1_15=-128, var_1_16=128, var_1_18=2147483647, var_1_19=2147483647, var_1_1=36, var_1_20=128, var_1_21=48, var_1_22=2, var_1_24=2, var_1_25=8, var_1_26=3, var_1_27=12, var_1_28=12, var_1_29=0, var_1_30=-126, var_1_31=16303, var_1_32=16383, var_1_35=3, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=3, var_1_9=59/8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 1, TraceHistogramMax: 28, 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=53occurred 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, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 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 [2023-11-23 20:31:35,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire --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 53755642d89d6037be376831b03479fef7eeb8c5758e8107a832bfc0071676df --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:31:38,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:31:38,168 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:31:38,178 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:31:38,179 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:31:38,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:31:38,227 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:31:38,228 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:31:38,229 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:31:38,234 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:31:38,235 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:31:38,235 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:31:38,236 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:31:38,237 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:31:38,238 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:31:38,238 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:31:38,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:31:38,240 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:31:38,240 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:31:38,241 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:31:38,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:31:38,242 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:31:38,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:31:38,243 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:31:38,244 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:31:38,244 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:31:38,245 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:31:38,245 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:31:38,245 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:31:38,246 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:31:38,247 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:31:38,247 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:31:38,248 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:31:38,248 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:31:38,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:31:38,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:31:38,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:31:38,250 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:31:38,250 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:31:38,251 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:31:38,251 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:31:38,252 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:31:38,252 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:31:38,252 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:31:38,253 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_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53755642d89d6037be376831b03479fef7eeb8c5758e8107a832bfc0071676df [2023-11-23 20:31:38,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:31:38,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:31:38,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:31:38,702 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:31:38,703 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:31:38,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-88.i [2023-11-23 20:31:41,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:31:42,302 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:31:42,303 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-88.i [2023-11-23 20:31:42,313 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/data/405fa9d3e/8eb3e1be602d4da38aa2ec8e83fe92d4/FLAG4c79ae757 [2023-11-23 20:31:42,331 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/data/405fa9d3e/8eb3e1be602d4da38aa2ec8e83fe92d4 [2023-11-23 20:31:42,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:31:42,345 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:31:42,350 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:31:42,350 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:31:42,356 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:31:42,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:42" (1/1) ... [2023-11-23 20:31:42,359 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f24ce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:42, skipping insertion in model container [2023-11-23 20:31:42,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:42" (1/1) ... [2023-11-23 20:31:42,418 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:31:42,651 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_6c2e7150-9168-4842-9fd8-4306276b3cb6/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-88.i[916,929] [2023-11-23 20:31:42,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:31:42,832 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:31:42,851 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_6c2e7150-9168-4842-9fd8-4306276b3cb6/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-88.i[916,929] [2023-11-23 20:31:42,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:31:42,936 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:31:42,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:42 WrapperNode [2023-11-23 20:31:42,936 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:31:42,938 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:31:42,938 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:31:42,938 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:31:42,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:42" (1/1) ... [2023-11-23 20:31:42,963 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:42" (1/1) ... [2023-11-23 20:31:43,001 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 213 [2023-11-23 20:31:43,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:31:43,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:31:43,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:31:43,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:31:43,013 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:42" (1/1) ... [2023-11-23 20:31:43,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:42" (1/1) ... [2023-11-23 20:31:43,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:42" (1/1) ... [2023-11-23 20:31:43,021 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:42" (1/1) ... [2023-11-23 20:31:43,058 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:42" (1/1) ... [2023-11-23 20:31:43,062 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:42" (1/1) ... [2023-11-23 20:31:43,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:42" (1/1) ... [2023-11-23 20:31:43,069 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:42" (1/1) ... [2023-11-23 20:31:43,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:31:43,075 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:31:43,075 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:31:43,076 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:31:43,077 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:42" (1/1) ... [2023-11-23 20:31:43,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:31:43,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:31:43,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:31:43,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:31:43,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:31:43,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:31:43,171 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:31:43,171 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:31:43,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:31:43,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:31:43,316 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:31:43,320 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:31:46,542 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:31:46,625 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:31:46,625 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:31:46,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:46 BoogieIcfgContainer [2023-11-23 20:31:46,626 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:31:46,628 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:31:46,628 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:31:46,645 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:31:46,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:31:42" (1/3) ... [2023-11-23 20:31:46,646 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f1a892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:46, skipping insertion in model container [2023-11-23 20:31:46,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:42" (2/3) ... [2023-11-23 20:31:46,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f1a892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:46, skipping insertion in model container [2023-11-23 20:31:46,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:46" (3/3) ... [2023-11-23 20:31:46,652 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-88.i [2023-11-23 20:31:46,674 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:31:46,675 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:31:46,751 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:31:46,761 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;@16d4ff8f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:31:46,761 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:31:46,767 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 53 states have (on average 1.4528301886792452) internal successors, (77), 54 states have internal predecessors, (77), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 20:31:46,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-23 20:31:46,789 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:46,790 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:31:46,791 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:31:46,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:46,798 INFO L85 PathProgramCache]: Analyzing trace with hash 478479564, now seen corresponding path program 1 times [2023-11-23 20:31:46,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:31:46,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [681649656] [2023-11-23 20:31:46,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:46,816 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 [2023-11-23 20:31:46,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:31:46,818 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:31:46,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:31:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:47,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:31:47,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:31:47,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 702 proven. 0 refuted. 0 times theorem prover too weak. 810 trivial. 0 not checked. [2023-11-23 20:31:47,548 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:31:47,549 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:31:47,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [681649656] [2023-11-23 20:31:47,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [681649656] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:31:47,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:31:47,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:31:47,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007649652] [2023-11-23 20:31:47,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:31:47,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:31:47,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:31:47,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:31:47,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:31:47,595 INFO L87 Difference]: Start difference. First operand has 84 states, 53 states have (on average 1.4528301886792452) internal successors, (77), 54 states have internal predecessors, (77), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) 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, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 20:31:49,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:31:49,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:31:49,548 INFO L93 Difference]: Finished difference Result 167 states and 293 transitions. [2023-11-23 20:31:49,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:31:49,550 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, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 179 [2023-11-23 20:31:49,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:31:49,559 INFO L225 Difference]: With dead ends: 167 [2023-11-23 20:31:49,559 INFO L226 Difference]: Without dead ends: 82 [2023-11-23 20:31:49,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:31:49,570 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-23 20:31:49,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-23 20:31:49,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-23 20:31:49,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-11-23 20:31:49,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 52 states have (on average 1.3846153846153846) internal successors, (72), 52 states have internal predecessors, (72), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 20:31:49,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 128 transitions. [2023-11-23 20:31:49,632 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 128 transitions. Word has length 179 [2023-11-23 20:31:49,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:31:49,633 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 128 transitions. [2023-11-23 20:31:49,633 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, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 20:31:49,634 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 128 transitions. [2023-11-23 20:31:49,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-23 20:31:49,639 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:49,639 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:31:49,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:31:49,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:31:49,855 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:31:49,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:49,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1522605140, now seen corresponding path program 1 times [2023-11-23 20:31:49,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:31:49,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [229180301] [2023-11-23 20:31:49,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:49,857 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 [2023-11-23 20:31:49,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:31:49,891 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:31:49,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:31:50,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:50,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:31:50,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:31:51,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-23 20:31:51,740 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:31:51,740 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:31:51,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [229180301] [2023-11-23 20:31:51,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [229180301] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:31:51,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:31:51,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:31:51,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696834336] [2023-11-23 20:31:51,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:31:51,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:31:51,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:31:51,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:31:51,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 20:31:51,746 INFO L87 Difference]: Start difference. First operand 82 states and 128 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 20:31:54,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:31:56,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:31:56,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:31:56,731 INFO L93 Difference]: Finished difference Result 282 states and 437 transitions. [2023-11-23 20:31:56,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 20:31:56,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 179 [2023-11-23 20:31:56,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:31:56,738 INFO L225 Difference]: With dead ends: 282 [2023-11-23 20:31:56,738 INFO L226 Difference]: Without dead ends: 201 [2023-11-23 20:31:56,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:31:56,741 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 161 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 65 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-11-23 20:31:56,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 369 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2023-11-23 20:31:56,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2023-11-23 20:31:56,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 160. [2023-11-23 20:31:56,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 101 states have (on average 1.3366336633663367) internal successors, (135), 101 states have internal predecessors, (135), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-23 20:31:56,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 247 transitions. [2023-11-23 20:31:56,788 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 247 transitions. Word has length 179 [2023-11-23 20:31:56,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:31:56,790 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 247 transitions. [2023-11-23 20:31:56,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 20:31:56,791 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 247 transitions. [2023-11-23 20:31:56,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-23 20:31:56,795 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:56,795 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:31:56,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:31:57,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:31:57,015 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:31:57,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:57,016 INFO L85 PathProgramCache]: Analyzing trace with hash -2102906508, now seen corresponding path program 1 times [2023-11-23 20:31:57,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:31:57,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1961390153] [2023-11-23 20:31:57,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:57,018 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 [2023-11-23 20:31:57,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:31:57,019 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:31:57,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 20:31:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:57,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:31:57,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:32:01,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-23 20:32:01,718 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:32:01,719 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:32:01,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1961390153] [2023-11-23 20:32:01,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1961390153] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:01,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:32:01,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 20:32:01,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577183044] [2023-11-23 20:32:01,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:01,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 20:32:01,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:32:01,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 20:32:01,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:32:01,730 INFO L87 Difference]: Start difference. First operand 160 states and 247 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 20:32:04,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:32:07,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:32:07,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:32:07,465 INFO L93 Difference]: Finished difference Result 414 states and 638 transitions. [2023-11-23 20:32:07,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 20:32:07,466 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 180 [2023-11-23 20:32:07,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:32:07,473 INFO L225 Difference]: With dead ends: 414 [2023-11-23 20:32:07,476 INFO L226 Difference]: Without dead ends: 255 [2023-11-23 20:32:07,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-23 20:32:07,483 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 88 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 57 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-11-23 20:32:07,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 399 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 109 Invalid, 2 Unknown, 0 Unchecked, 5.5s Time] [2023-11-23 20:32:07,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2023-11-23 20:32:07,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 221. [2023-11-23 20:32:07,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 133 states have (on average 1.2932330827067668) internal successors, (172), 133 states have internal predecessors, (172), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2023-11-23 20:32:07,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 340 transitions. [2023-11-23 20:32:07,597 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 340 transitions. Word has length 180 [2023-11-23 20:32:07,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:32:07,599 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 340 transitions. [2023-11-23 20:32:07,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 20:32:07,602 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 340 transitions. [2023-11-23 20:32:07,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-23 20:32:07,612 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:07,614 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:07,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-23 20:32:07,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:32:07,830 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:07,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:07,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1605254774, now seen corresponding path program 1 times [2023-11-23 20:32:07,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:32:07,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1159134846] [2023-11-23 20:32:07,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:07,831 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 [2023-11-23 20:32:07,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:32:07,833 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:32:07,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 20:32:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:08,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:32:08,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:32:09,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-23 20:32:09,712 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:32:09,712 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:32:09,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1159134846] [2023-11-23 20:32:09,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1159134846] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:09,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:32:09,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:32:09,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534573705] [2023-11-23 20:32:09,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:09,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:32:09,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:32:09,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:32:09,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:32:09,715 INFO L87 Difference]: Start difference. First operand 221 states and 340 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 20:32:11,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:32:13,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:32:15,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:32:17,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:32:19,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:32:19,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:32:19,148 INFO L93 Difference]: Finished difference Result 891 states and 1378 transitions. [2023-11-23 20:32:19,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 20:32:19,149 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 180 [2023-11-23 20:32:19,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:32:19,159 INFO L225 Difference]: With dead ends: 891 [2023-11-23 20:32:19,159 INFO L226 Difference]: Without dead ends: 732 [2023-11-23 20:32:19,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-23 20:32:19,162 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 458 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 113 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2023-11-23 20:32:19,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 914 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 125 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2023-11-23 20:32:19,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2023-11-23 20:32:19,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 386. [2023-11-23 20:32:19,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 240 states have (on average 1.3125) internal successors, (315), 240 states have internal predecessors, (315), 140 states have call successors, (140), 5 states have call predecessors, (140), 5 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2023-11-23 20:32:19,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 595 transitions. [2023-11-23 20:32:19,250 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 595 transitions. Word has length 180 [2023-11-23 20:32:19,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:32:19,251 INFO L495 AbstractCegarLoop]: Abstraction has 386 states and 595 transitions. [2023-11-23 20:32:19,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 20:32:19,251 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 595 transitions. [2023-11-23 20:32:19,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-23 20:32:19,254 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:19,255 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:19,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-23 20:32:19,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:32:19,475 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:19,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:19,476 INFO L85 PathProgramCache]: Analyzing trace with hash 180391552, now seen corresponding path program 1 times [2023-11-23 20:32:19,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:32:19,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2043950709] [2023-11-23 20:32:19,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:19,477 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 [2023-11-23 20:32:19,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:32:19,478 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:32:19,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c2e7150-9168-4842-9fd8-4306276b3cb6/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:32:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:20,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:32:20,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:32:22,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-23 20:32:22,248 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:32:22,249 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:32:22,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2043950709] [2023-11-23 20:32:22,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2043950709] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:22,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:32:22,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 20:32:22,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088109433] [2023-11-23 20:32:22,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:22,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 20:32:22,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:32:22,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 20:32:22,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:32:22,252 INFO L87 Difference]: Start difference. First operand 386 states and 595 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28)