./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-19.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_d5d5b213-c710-4f0f-bb4a-2bb67016514f/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/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_d5d5b213-c710-4f0f-bb4a-2bb67016514f/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-19.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/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_d5d5b213-c710-4f0f-bb4a-2bb67016514f/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 8456d7b7b6cba2e1f4cc22023658f7dd768509fc86decaacd3d3922e32c6df21 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:10:58,364 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:10:58,482 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:10:58,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:10:58,496 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:10:58,545 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:10:58,546 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:10:58,546 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:10:58,548 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:10:58,553 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:10:58,553 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:10:58,554 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:10:58,554 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:10:58,556 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:10:58,556 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:10:58,557 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:10:58,557 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:10:58,558 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:10:58,558 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:10:58,559 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:10:58,560 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:10:58,561 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:10:58,562 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:10:58,563 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:10:58,563 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:10:58,564 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:10:58,564 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:10:58,564 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:10:58,565 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:10:58,565 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:10:58,567 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:10:58,567 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:10:58,567 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:10:58,567 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:10:58,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:10:58,568 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:10:58,569 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:10:58,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:58,569 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:10:58,570 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:10:58,570 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:10:58,570 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:10:58,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:10:58,571 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:10:58,572 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:10:58,572 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:10:58,572 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:10:58,572 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_d5d5b213-c710-4f0f-bb4a-2bb67016514f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8456d7b7b6cba2e1f4cc22023658f7dd768509fc86decaacd3d3922e32c6df21 [2023-11-23 21:10:58,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:10:58,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:10:58,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:10:58,908 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:10:58,908 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:10:58,910 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-19.i [2023-11-23 21:11:02,157 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:11:02,405 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:11:02,406 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-19.i [2023-11-23 21:11:02,428 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/bin/utaipan-verify-mE87zJ7Ire/data/9856939e9/cd194f1e58a44879932b29c48eecb8fb/FLAGb331e619b [2023-11-23 21:11:02,451 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/bin/utaipan-verify-mE87zJ7Ire/data/9856939e9/cd194f1e58a44879932b29c48eecb8fb [2023-11-23 21:11:02,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:11:02,455 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:11:02,456 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:02,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:11:02,466 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:11:02,467 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:02" (1/1) ... [2023-11-23 21:11:02,467 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e93840c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:02, skipping insertion in model container [2023-11-23 21:11:02,468 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:02" (1/1) ... [2023-11-23 21:11:02,520 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:11:02,703 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_d5d5b213-c710-4f0f-bb4a-2bb67016514f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-19.i[915,928] [2023-11-23 21:11:02,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:02,825 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:11:02,841 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_d5d5b213-c710-4f0f-bb4a-2bb67016514f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-19.i[915,928] [2023-11-23 21:11:02,894 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:02,914 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:11:02,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:02 WrapperNode [2023-11-23 21:11:02,915 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:02,917 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:02,917 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:11:02,917 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:11:02,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:02" (1/1) ... [2023-11-23 21:11:02,939 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:02" (1/1) ... [2023-11-23 21:11:03,007 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 173 [2023-11-23 21:11:03,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:03,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:11:03,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:11:03,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:11:03,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:02" (1/1) ... [2023-11-23 21:11:03,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:02" (1/1) ... [2023-11-23 21:11:03,025 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:02" (1/1) ... [2023-11-23 21:11:03,025 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:02" (1/1) ... [2023-11-23 21:11:03,054 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:02" (1/1) ... [2023-11-23 21:11:03,058 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:02" (1/1) ... [2023-11-23 21:11:03,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:02" (1/1) ... [2023-11-23 21:11:03,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:02" (1/1) ... [2023-11-23 21:11:03,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:11:03,088 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:11:03,088 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:11:03,088 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:11:03,091 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:02" (1/1) ... [2023-11-23 21:11:03,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:03,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:11:03,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:11:03,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:11:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:11:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:11:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:11:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:11:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:11:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:11:03,330 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:11:03,335 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:11:03,957 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:11:04,204 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:11:04,204 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:11:04,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:04 BoogieIcfgContainer [2023-11-23 21:11:04,206 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:11:04,209 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:11:04,209 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:11:04,214 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:11:04,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:11:02" (1/3) ... [2023-11-23 21:11:04,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68fb0dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:04, skipping insertion in model container [2023-11-23 21:11:04,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:02" (2/3) ... [2023-11-23 21:11:04,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68fb0dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:04, skipping insertion in model container [2023-11-23 21:11:04,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:04" (3/3) ... [2023-11-23 21:11:04,220 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-19.i [2023-11-23 21:11:04,239 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:11:04,239 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:11:04,302 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:11:04,310 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;@25eefd1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:11:04,312 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:11:04,316 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-23 21:11:04,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-23 21:11:04,330 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:04,331 INFO L195 NwaCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:11:04,333 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:11:04,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:04,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1078964780, now seen corresponding path program 1 times [2023-11-23 21:11:04,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:11:04,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331504937] [2023-11-23 21:11:04,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:04,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:11:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:11:04,960 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:11:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:11:05,347 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:11:05,349 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:11:05,350 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:11:05,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:11:05,357 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:11:05,364 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:11:05,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:11:05 BoogieIcfgContainer [2023-11-23 21:11:05,485 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:11:05,486 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:11:05,486 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:11:05,486 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:11:05,487 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:04" (3/4) ... [2023-11-23 21:11:05,489 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:11:05,490 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:11:05,492 INFO L158 Benchmark]: Toolchain (without parser) took 3036.59ms. Allocated memory is still 148.9MB. Free memory was 109.0MB in the beginning and 83.1MB in the end (delta: 25.8MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2023-11-23 21:11:05,492 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 84.5MB in the end (delta: 27.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:11:05,493 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.26ms. Allocated memory is still 148.9MB. Free memory was 109.0MB in the beginning and 93.2MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:11:05,494 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.78ms. Allocated memory is still 148.9MB. Free memory was 93.2MB in the beginning and 87.4MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:11:05,494 INFO L158 Benchmark]: Boogie Preprocessor took 78.60ms. Allocated memory is still 148.9MB. Free memory was 87.4MB in the beginning and 84.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:11:05,495 INFO L158 Benchmark]: RCFGBuilder took 1118.60ms. Allocated memory is still 148.9MB. Free memory was 84.8MB in the beginning and 98.0MB in the end (delta: -13.2MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2023-11-23 21:11:05,496 INFO L158 Benchmark]: TraceAbstraction took 1275.96ms. Allocated memory is still 148.9MB. Free memory was 97.1MB in the beginning and 83.1MB in the end (delta: 14.0MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2023-11-23 21:11:05,496 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 148.9MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:11:05,499 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 84.5MB in the end (delta: 27.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 459.26ms. Allocated memory is still 148.9MB. Free memory was 109.0MB in the beginning and 93.2MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.78ms. Allocated memory is still 148.9MB. Free memory was 93.2MB in the beginning and 87.4MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.60ms. Allocated memory is still 148.9MB. Free memory was 87.4MB in the beginning and 84.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1118.60ms. Allocated memory is still 148.9MB. Free memory was 84.8MB in the beginning and 98.0MB in the end (delta: -13.2MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1275.96ms. Allocated memory is still 148.9MB. Free memory was 97.1MB in the beginning and 83.1MB in the end (delta: 14.0MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 148.9MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of someUnaryDOUBLEoperation at line 55, overapproximation of someBinaryDOUBLEComparisonOperation at line 55, overapproximation of someUnaryFLOAToperation at line 68, overapproximation of someBinaryArithmeticFLOAToperation at line 70. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -64; [L23] unsigned char var_1_2 = 128; [L24] unsigned char var_1_3 = 64; [L25] signed short int var_1_6 = -16; [L26] unsigned short int var_1_7 = 56838; [L27] unsigned short int var_1_8 = 24612; [L28] signed short int var_1_9 = 20013; [L29] unsigned char var_1_10 = 0; [L30] unsigned char var_1_12 = 0; [L31] unsigned char var_1_13 = 0; [L32] signed short int var_1_14 = 50; [L33] unsigned char var_1_15 = 0; [L34] signed short int var_1_19 = 100; [L35] double var_1_21 = 3.5; [L36] signed short int var_1_23 = -128; [L37] float var_1_24 = 10.2; [L38] float var_1_25 = 8.6; [L39] float var_1_26 = 32.7; [L40] float var_1_27 = 16.25; [L41] float var_1_28 = 8.875; [L42] unsigned short int var_1_29 = 256; [L43] double var_1_30 = 2.75; [L44] double var_1_31 = 0.0; [L45] unsigned char var_1_32 = 8; [L46] unsigned char var_1_33 = 100; [L47] double var_1_34 = 0.19999999999999996; [L48] signed char var_1_35 = -32; [L49] signed char var_1_36 = -1; [L50] signed char var_1_37 = -8; [L51] unsigned char last_1_var_1_15 = 0; [L154] isInitial = 1 [L155] FCALL initially() [L156] COND TRUE 1 [L157] CALL updateLastVariables() [L147] last_1_var_1_15 = var_1_15 [L157] RET updateLastVariables() [L158] CALL updateVariables() [L102] var_1_2 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_2 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_2 >= 127) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L104] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L105] var_1_3 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L107] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L108] var_1_7 = __VERIFIER_nondet_ushort() [L109] CALL assume_abort_if_not(var_1_7 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_7 >= 32767) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L110] CALL assume_abort_if_not(var_1_7 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_7 <= 65535) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L111] var_1_8 = __VERIFIER_nondet_ushort() [L112] CALL assume_abort_if_not(var_1_8 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_8 >= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L113] CALL assume_abort_if_not(var_1_8 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_8 <= 32767) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L114] var_1_9 = __VERIFIER_nondet_short() [L115] CALL assume_abort_if_not(var_1_9 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_9 >= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L116] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L117] var_1_12 = __VERIFIER_nondet_uchar() [L118] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L119] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L120] var_1_13 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L122] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L123] var_1_21 = __VERIFIER_nondet_double() [L124] CALL assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L125] CALL assume_abort_if_not(var_1_21 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_21 != 0.0F) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L126] var_1_23 = __VERIFIER_nondet_short() [L127] CALL assume_abort_if_not(var_1_23 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_23 >= -16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L128] CALL assume_abort_if_not(var_1_23 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_23 <= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L129] var_1_25 = __VERIFIER_nondet_float() [L130] CALL assume_abort_if_not((var_1_25 >= -922337.2036854765600e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not((var_1_25 >= -922337.2036854765600e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L131] var_1_26 = __VERIFIER_nondet_float() [L132] CALL assume_abort_if_not((var_1_26 >= -922337.2036854765600e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not((var_1_26 >= -922337.2036854765600e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L133] var_1_27 = __VERIFIER_nondet_float() [L134] CALL assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L135] var_1_28 = __VERIFIER_nondet_float() [L136] CALL assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L137] var_1_31 = __VERIFIER_nondet_double() [L138] CALL assume_abort_if_not((var_1_31 >= -922337.2036854765600e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854765600e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not((var_1_31 >= -922337.2036854765600e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854765600e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L139] var_1_33 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L141] CALL assume_abort_if_not(var_1_33 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_33=0, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_33 <= 254) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_33=0, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L142] var_1_37 = __VERIFIER_nondet_char() [L143] CALL assume_abort_if_not(var_1_37 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_33=0, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_37 >= -127) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_33=0, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L144] CALL assume_abort_if_not(var_1_37 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_33=0, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_37 <= 126) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_33=0, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L158] RET updateVariables() [L159] CALL step() [L55] var_1_30 = ((((var_1_31) < 0 ) ? -(var_1_31) : (var_1_31))) [L56] var_1_32 = var_1_33 [L57] var_1_34 = var_1_31 [L58] var_1_35 = -1 [L59] COND FALSE !(var_1_31 <= var_1_34) [L64] COND FALSE !(\read(last_1_var_1_15)) [L67] COND FALSE !(\read(var_1_10)) [L70] var_1_24 = ((((var_1_27 - var_1_28) < 0 ) ? -(var_1_27 - var_1_28) : (var_1_27 - var_1_28))) [L72] COND FALSE !((- var_1_24) == (var_1_24 + var_1_24)) [L75] COND FALSE !(var_1_24 == ((((((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) > ((var_1_24 / var_1_21))) ? (((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) : ((var_1_24 / var_1_21))))) [L82] var_1_19 = var_1_2 [L84] COND TRUE var_1_24 != var_1_24 [L85] var_1_29 = ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) [L87] signed long int stepLocal_1 = var_1_7 - (var_1_8 - var_1_2); [L88] COND TRUE stepLocal_1 >= var_1_29 [L89] var_1_6 = (var_1_3 - (var_1_9 - var_1_2)) [L91] COND FALSE !(\read(var_1_15)) [L94] signed long int stepLocal_0 = var_1_2 - var_1_3; [L95] COND TRUE stepLocal_0 <= ((((var_1_29) > (var_1_6)) ? (var_1_29) : (var_1_6))) [L96] var_1_1 = ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) [L159] RET step() [L160] CALL, EXPR property() [L150-L151] return (((((((((var_1_2 - var_1_3) <= ((((var_1_29) > (var_1_6)) ? (var_1_29) : (var_1_6)))) ? (var_1_1 == ((signed long int) ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))))) : (var_1_1 == ((signed long int) var_1_2))) && (((var_1_7 - (var_1_8 - var_1_2)) >= var_1_29) ? (var_1_6 == ((signed short int) (var_1_3 - (var_1_9 - var_1_2)))) : 1)) && (last_1_var_1_15 ? (var_1_10 == ((unsigned char) (var_1_12 || var_1_13))) : 1)) && (var_1_15 ? (var_1_14 == ((signed short int) (((((((((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) < 0 ) ? -((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) : ((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2)))))) < (var_1_9)) ? ((((((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) < 0 ) ? -((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) : ((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2)))))) : (var_1_9))))) : 1)) && (((- var_1_24) == (var_1_24 + var_1_24)) ? (var_1_15 == ((unsigned char) var_1_12)) : 1)) && ((var_1_24 == ((((((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) > ((var_1_24 / var_1_21))) ? (((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) : ((var_1_24 / var_1_21))))) ? (var_1_10 ? (var_1_19 == ((signed short int) (var_1_3 + ((((var_1_2) < (var_1_23)) ? (var_1_2) : (var_1_23)))))) : (var_1_19 == ((signed short int) (var_1_3 - 8)))) : (var_1_19 == ((signed short int) var_1_2)))) && (var_1_10 ? (var_1_24 == ((float) ((((var_1_25) > (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))) ? (var_1_25) : (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26)))))))) : (var_1_24 == ((float) ((((var_1_27 - var_1_28) < 0 ) ? -(var_1_27 - var_1_28) : (var_1_27 - var_1_28))))))) && ((var_1_24 != var_1_24) ? (var_1_29 == ((unsigned short int) ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))))) : 1) ; [L160] RET, EXPR property() [L160] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=127, var_1_23=-128, var_1_24=56843, var_1_25=56843, var_1_26=56843, var_1_29=127, var_1_2=127, var_1_30=56844, var_1_31=56844, var_1_32=0, var_1_33=0, var_1_34=56844, var_1_35=-1, var_1_36=-1, var_1_37=-127, var_1_3=127, var_1_6=-32512, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=127, var_1_23=-128, var_1_24=56843, var_1_25=56843, var_1_26=56843, var_1_29=127, var_1_2=127, var_1_30=56844, var_1_31=56844, var_1_32=0, var_1_33=0, var_1_34=56844, var_1_35=-1, var_1_36=-1, var_1_37=-127, var_1_3=127, var_1_6=-32512, var_1_7=32767, var_1_8=32767, var_1_9=32766] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 27, 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=52occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 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 21:11:05,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/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_d5d5b213-c710-4f0f-bb4a-2bb67016514f/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/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_d5d5b213-c710-4f0f-bb4a-2bb67016514f/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-19.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/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_d5d5b213-c710-4f0f-bb4a-2bb67016514f/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 8456d7b7b6cba2e1f4cc22023658f7dd768509fc86decaacd3d3922e32c6df21 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:11:08,364 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:11:08,515 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:11:08,526 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:11:08,527 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:11:08,575 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:11:08,576 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:11:08,577 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:11:08,578 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:11:08,584 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:11:08,585 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:11:08,585 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:11:08,586 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:11:08,588 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:11:08,588 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:11:08,589 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:11:08,590 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:11:08,591 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:11:08,591 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:11:08,592 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:11:08,593 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:11:08,594 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:11:08,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:11:08,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:11:08,595 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:11:08,595 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:11:08,596 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:11:08,596 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:11:08,597 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:11:08,597 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:11:08,599 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:11:08,599 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:11:08,600 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:11:08,600 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:11:08,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:08,601 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:11:08,601 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:11:08,602 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:11:08,602 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:11:08,603 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:11:08,603 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:11:08,604 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:11:08,604 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:11:08,604 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:11:08,605 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_d5d5b213-c710-4f0f-bb4a-2bb67016514f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8456d7b7b6cba2e1f4cc22023658f7dd768509fc86decaacd3d3922e32c6df21 [2023-11-23 21:11:09,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:11:09,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:11:09,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:11:09,084 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:11:09,085 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:11:09,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-19.i [2023-11-23 21:11:12,630 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:11:12,950 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:11:12,950 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-19.i [2023-11-23 21:11:12,961 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/bin/utaipan-verify-mE87zJ7Ire/data/93edc2981/08a7a06c50074cf0b6c06c4062e7c57b/FLAG15d867d5c [2023-11-23 21:11:12,989 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/bin/utaipan-verify-mE87zJ7Ire/data/93edc2981/08a7a06c50074cf0b6c06c4062e7c57b [2023-11-23 21:11:12,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:11:12,996 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:11:12,999 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:12,999 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:11:13,004 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:11:13,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:12" (1/1) ... [2023-11-23 21:11:13,006 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c27ad49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:13, skipping insertion in model container [2023-11-23 21:11:13,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:12" (1/1) ... [2023-11-23 21:11:13,056 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:11:13,254 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_d5d5b213-c710-4f0f-bb4a-2bb67016514f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-19.i[915,928] [2023-11-23 21:11:13,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:13,432 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:11:13,453 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_d5d5b213-c710-4f0f-bb4a-2bb67016514f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-19.i[915,928] [2023-11-23 21:11:13,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:13,608 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:11:13,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:13 WrapperNode [2023-11-23 21:11:13,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:13,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:13,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:11:13,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:11:13,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:13" (1/1) ... [2023-11-23 21:11:13,671 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:13" (1/1) ... [2023-11-23 21:11:13,726 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 170 [2023-11-23 21:11:13,727 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:13,727 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:11:13,728 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:11:13,728 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:11:13,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:13" (1/1) ... [2023-11-23 21:11:13,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:13" (1/1) ... [2023-11-23 21:11:13,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:13" (1/1) ... [2023-11-23 21:11:13,767 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:13" (1/1) ... [2023-11-23 21:11:13,792 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:13" (1/1) ... [2023-11-23 21:11:13,796 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:13" (1/1) ... [2023-11-23 21:11:13,801 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:13" (1/1) ... [2023-11-23 21:11:13,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:13" (1/1) ... [2023-11-23 21:11:13,817 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:11:13,825 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:11:13,825 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:11:13,826 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:11:13,827 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:13" (1/1) ... [2023-11-23 21:11:13,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:13,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:11:13,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:11:13,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:11:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:11:13,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:11:13,914 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:11:13,914 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:11:13,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:11:13,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:11:14,050 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:11:14,053 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:11:21,762 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:11:21,846 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:11:21,847 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:11:21,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:21 BoogieIcfgContainer [2023-11-23 21:11:21,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:11:21,850 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:11:21,851 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:11:21,854 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:11:21,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:11:12" (1/3) ... [2023-11-23 21:11:21,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a62d93a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:21, skipping insertion in model container [2023-11-23 21:11:21,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:13" (2/3) ... [2023-11-23 21:11:21,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a62d93a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:21, skipping insertion in model container [2023-11-23 21:11:21,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:21" (3/3) ... [2023-11-23 21:11:21,860 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-19.i [2023-11-23 21:11:21,880 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:11:21,880 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:11:21,929 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:11:21,936 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;@4771ae15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:11:21,936 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:11:21,946 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 40 states have internal predecessors, (55), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-23 21:11:21,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-23 21:11:21,969 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:21,970 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:11:21,971 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:11:21,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:21,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1722666839, now seen corresponding path program 1 times [2023-11-23 21:11:21,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:11:21,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [104850581] [2023-11-23 21:11:21,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:21,996 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 21:11:21,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:11:22,000 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/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 21:11:22,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/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 21:11:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:11:23,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:11:23,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:11:23,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 724 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2023-11-23 21:11:23,351 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:11:23,352 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:11:23,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [104850581] [2023-11-23 21:11:23,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [104850581] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:11:23,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:11:23,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:11:23,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765691189] [2023-11-23 21:11:23,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:11:23,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:11:23,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:11:23,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:11:23,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:11:23,393 INFO L87 Difference]: Start difference. First operand has 69 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 40 states have internal predecessors, (55), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-23 21:11:25,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:25,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:11:25,872 INFO L93 Difference]: Finished difference Result 135 states and 243 transitions. [2023-11-23 21:11:26,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:11:26,010 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 167 [2023-11-23 21:11:26,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:11:26,018 INFO L225 Difference]: With dead ends: 135 [2023-11-23 21:11:26,018 INFO L226 Difference]: Without dead ends: 67 [2023-11-23 21:11:26,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 166 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 21:11:26,026 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:11:26,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2023-11-23 21:11:26,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-23 21:11:26,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2023-11-23 21:11:26,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 38 states have internal predecessors, (50), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-23 21:11:26,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 104 transitions. [2023-11-23 21:11:26,076 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 104 transitions. Word has length 167 [2023-11-23 21:11:26,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:11:26,077 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 104 transitions. [2023-11-23 21:11:26,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-23 21:11:26,077 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2023-11-23 21:11:26,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-23 21:11:26,082 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:26,083 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:11:26,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/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 21:11:26,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/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 21:11:26,303 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:11:26,304 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:26,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1660213023, now seen corresponding path program 1 times [2023-11-23 21:11:26,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:11:26,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1424361542] [2023-11-23 21:11:26,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:26,306 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 21:11:26,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:11:26,308 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/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 21:11:26,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/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 21:11:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:11:27,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:11:27,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:11:31,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-23 21:11:31,392 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:11:31,392 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:11:31,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1424361542] [2023-11-23 21:11:31,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1424361542] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:11:31,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:11:31,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:11:31,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456194596] [2023-11-23 21:11:31,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:11:31,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:11:31,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:11:31,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:11:31,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:11:31,399 INFO L87 Difference]: Start difference. First operand 67 states and 104 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 21:11:34,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:36,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:38,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:40,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:42,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:44,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:46,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:48,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:48,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:11:48,825 INFO L93 Difference]: Finished difference Result 223 states and 343 transitions. [2023-11-23 21:11:48,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:11:48,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 167 [2023-11-23 21:11:48,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:11:48,991 INFO L225 Difference]: With dead ends: 223 [2023-11-23 21:11:48,991 INFO L226 Difference]: Without dead ends: 157 [2023-11-23 21:11:48,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:11:48,995 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 85 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 59 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:11:48,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 323 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 9 Invalid, 8 Unknown, 0 Unchecked, 17.3s Time] [2023-11-23 21:11:48,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2023-11-23 21:11:49,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 131. [2023-11-23 21:11:49,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 74 states have (on average 1.2972972972972974) internal successors, (96), 74 states have internal predecessors, (96), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-23 21:11:49,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 204 transitions. [2023-11-23 21:11:49,040 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 204 transitions. Word has length 167 [2023-11-23 21:11:49,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:11:49,042 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 204 transitions. [2023-11-23 21:11:49,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 21:11:49,042 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 204 transitions. [2023-11-23 21:11:49,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-23 21:11:49,046 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:49,047 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:11:49,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/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 21:11:49,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/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 21:11:49,267 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:11:49,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:49,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1073407009, now seen corresponding path program 1 times [2023-11-23 21:11:49,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:11:49,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [242173472] [2023-11-23 21:11:49,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:49,269 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 21:11:49,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:11:49,300 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/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 21:11:49,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/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 21:11:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:11:50,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:11:50,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:11:54,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-23 21:11:54,175 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:11:54,175 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:11:54,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [242173472] [2023-11-23 21:11:54,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [242173472] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:11:54,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:11:54,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:11:54,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202791366] [2023-11-23 21:11:54,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:11:54,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:11:54,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:11:54,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:11:54,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:11:54,179 INFO L87 Difference]: Start difference. First operand 131 states and 204 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 21:11:56,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:59,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:01,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:01,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:12:01,357 INFO L93 Difference]: Finished difference Result 391 states and 610 transitions. [2023-11-23 21:12:01,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:12:01,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 167 [2023-11-23 21:12:01,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:12:01,363 INFO L225 Difference]: With dead ends: 391 [2023-11-23 21:12:01,363 INFO L226 Difference]: Without dead ends: 261 [2023-11-23 21:12:01,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:12:01,368 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 24 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:12:01,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 195 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 3 Unknown, 0 Unchecked, 7.1s Time] [2023-11-23 21:12:01,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2023-11-23 21:12:01,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 259. [2023-11-23 21:12:01,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 146 states have (on average 1.273972602739726) internal successors, (186), 146 states have internal predecessors, (186), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2023-11-23 21:12:01,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 402 transitions. [2023-11-23 21:12:01,426 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 402 transitions. Word has length 167 [2023-11-23 21:12:01,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:12:01,428 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 402 transitions. [2023-11-23 21:12:01,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 21:12:01,428 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 402 transitions. [2023-11-23 21:12:01,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-23 21:12:01,432 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:01,432 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:01,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/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 21:12:01,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/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 21:12:01,656 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:01,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:01,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1331572447, now seen corresponding path program 1 times [2023-11-23 21:12:01,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:12:01,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [968809946] [2023-11-23 21:12:01,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:01,658 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 21:12:01,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:12:01,659 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/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 21:12:01,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5b213-c710-4f0f-bb4a-2bb67016514f/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