./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-93.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/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_c2db034a-8c43-448e-a6e9-96d507f46065/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-93.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/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_c2db034a-8c43-448e-a6e9-96d507f46065/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 72006f0e0119dbb436ff3eb0610d23abbaee42e3643f2bc291ef949bbdad90db --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:11:03,382 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:11:03,509 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:11:03,517 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:11:03,518 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:11:03,567 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:11:03,568 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:11:03,569 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:11:03,570 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:11:03,575 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:11:03,575 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:11:03,577 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:11:03,577 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:11:03,579 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:11:03,579 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:11:03,580 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:11:03,580 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:11:03,581 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:11:03,581 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:11:03,582 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:11:03,584 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:11:03,584 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:11:03,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:11:03,586 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:11:03,587 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:11:03,587 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:11:03,588 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:11:03,588 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:11:03,589 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:11:03,589 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:11:03,591 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:11:03,591 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:11:03,591 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:11:03,592 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:11:03,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:11:03,592 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:11:03,593 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:11:03,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:03,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:11:03,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:11:03,594 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:11:03,594 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:11:03,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:11:03,595 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:11:03,595 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:11:03,596 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:11:03,596 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:11:03,596 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_c2db034a-8c43-448e-a6e9-96d507f46065/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72006f0e0119dbb436ff3eb0610d23abbaee42e3643f2bc291ef949bbdad90db [2023-11-23 21:11:03,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:11:03,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:11:03,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:11:03,931 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:11:03,932 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:11:03,933 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-93.i [2023-11-23 21:11:07,221 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:11:07,507 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:11:07,510 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-93.i [2023-11-23 21:11:07,525 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/bin/utaipan-verify-mE87zJ7Ire/data/55618729e/3aaf0a6cb6814deba58d2da64f1db0e4/FLAG518124a27 [2023-11-23 21:11:07,543 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/bin/utaipan-verify-mE87zJ7Ire/data/55618729e/3aaf0a6cb6814deba58d2da64f1db0e4 [2023-11-23 21:11:07,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:11:07,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:11:07,554 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:07,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:11:07,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:11:07,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:07" (1/1) ... [2023-11-23 21:11:07,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b3c4d68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:07, skipping insertion in model container [2023-11-23 21:11:07,561 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:07" (1/1) ... [2023-11-23 21:11:07,600 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:11:07,759 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_c2db034a-8c43-448e-a6e9-96d507f46065/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-93.i[916,929] [2023-11-23 21:11:07,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:07,866 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:11:07,880 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_c2db034a-8c43-448e-a6e9-96d507f46065/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-93.i[916,929] [2023-11-23 21:11:07,936 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:07,954 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:11:07,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:07 WrapperNode [2023-11-23 21:11:07,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:07,956 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:07,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:11:07,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:11:07,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:07" (1/1) ... [2023-11-23 21:11:07,993 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:07" (1/1) ... [2023-11-23 21:11:08,080 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 209 [2023-11-23 21:11:08,081 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:08,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:11:08,082 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:11:08,082 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:11:08,091 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:07" (1/1) ... [2023-11-23 21:11:08,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:07" (1/1) ... [2023-11-23 21:11:08,110 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:07" (1/1) ... [2023-11-23 21:11:08,111 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:07" (1/1) ... [2023-11-23 21:11:08,147 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:07" (1/1) ... [2023-11-23 21:11:08,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:07" (1/1) ... [2023-11-23 21:11:08,159 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:07" (1/1) ... [2023-11-23 21:11:08,164 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:07" (1/1) ... [2023-11-23 21:11:08,173 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:11:08,177 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:11:08,177 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:11:08,177 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:11:08,178 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:07" (1/1) ... [2023-11-23 21:11:08,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:08,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:11:08,219 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:11:08,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:11:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:11:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:11:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:11:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:11:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:11:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:11:08,398 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:11:08,400 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:11:08,991 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:11:09,393 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:11:09,394 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:11:09,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:09 BoogieIcfgContainer [2023-11-23 21:11:09,396 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:11:09,399 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:11:09,399 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:11:09,402 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:11:09,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:11:07" (1/3) ... [2023-11-23 21:11:09,403 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18ad289c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:09, skipping insertion in model container [2023-11-23 21:11:09,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:07" (2/3) ... [2023-11-23 21:11:09,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18ad289c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:09, skipping insertion in model container [2023-11-23 21:11:09,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:09" (3/3) ... [2023-11-23 21:11:09,406 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-93.i [2023-11-23 21:11:09,426 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:11:09,426 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:11:09,494 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:11:09,502 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;@4d824230, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:11:09,503 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:11:09,508 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 21:11:09,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-23 21:11:09,518 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:09,519 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:11:09,520 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:11:09,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:09,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1381099392, now seen corresponding path program 1 times [2023-11-23 21:11:09,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:11:09,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717486223] [2023-11-23 21:11:09,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:09,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:11:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:11:10,496 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:11:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:11:11,110 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:11:11,113 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:11:11,115 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:11:11,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:11:11,123 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:11:11,131 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:11:11,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:11:11 BoogieIcfgContainer [2023-11-23 21:11:11,279 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:11:11,281 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:11:11,282 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:11:11,282 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:11:11,282 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:09" (3/4) ... [2023-11-23 21:11:11,287 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:11:11,288 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:11:11,289 INFO L158 Benchmark]: Toolchain (without parser) took 3737.00ms. Allocated memory is still 180.4MB. Free memory was 137.9MB in the beginning and 134.4MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:11:11,290 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:11:11,291 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.15ms. Allocated memory is still 180.4MB. Free memory was 137.2MB in the beginning and 121.1MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:11:11,292 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.38ms. Allocated memory is still 180.4MB. Free memory was 121.1MB in the beginning and 114.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:11:11,293 INFO L158 Benchmark]: Boogie Preprocessor took 94.10ms. Allocated memory is still 180.4MB. Free memory was 114.8MB in the beginning and 112.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:11:11,298 INFO L158 Benchmark]: RCFGBuilder took 1219.70ms. Allocated memory is still 180.4MB. Free memory was 112.1MB in the beginning and 125.6MB in the end (delta: -13.5MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2023-11-23 21:11:11,299 INFO L158 Benchmark]: TraceAbstraction took 1880.69ms. Allocated memory is still 180.4MB. Free memory was 124.7MB in the beginning and 134.4MB in the end (delta: -9.7MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. [2023-11-23 21:11:11,300 INFO L158 Benchmark]: Witness Printer took 6.63ms. Allocated memory is still 180.4MB. Free memory is still 134.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:11:11,309 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 402.15ms. Allocated memory is still 180.4MB. Free memory was 137.2MB in the beginning and 121.1MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 124.38ms. Allocated memory is still 180.4MB. Free memory was 121.1MB in the beginning and 114.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.10ms. Allocated memory is still 180.4MB. Free memory was 114.8MB in the beginning and 112.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1219.70ms. Allocated memory is still 180.4MB. Free memory was 112.1MB in the beginning and 125.6MB in the end (delta: -13.5MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1880.69ms. Allocated memory is still 180.4MB. Free memory was 124.7MB in the beginning and 134.4MB in the end (delta: -9.7MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. * Witness Printer took 6.63ms. Allocated memory is still 180.4MB. Free memory is still 134.4MB. 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 187, overapproximation of bitwiseOr at line 57, overapproximation of someBinaryArithmeticDOUBLEoperation at line 130, overapproximation of someBinaryDOUBLEComparisonOperation at line 68. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -256; [L23] unsigned char var_1_4 = 1; [L24] double var_1_7 = 31.25; [L25] double var_1_8 = 7.6; [L26] double var_1_9 = 8.9; [L27] double var_1_10 = 256.8; [L28] signed short int var_1_11 = 0; [L29] unsigned long int var_1_15 = 64; [L30] signed short int var_1_18 = 16; [L31] signed short int var_1_19 = 22006; [L32] unsigned char var_1_21 = 1; [L33] unsigned char var_1_22 = 0; [L34] float var_1_23 = 2.25; [L35] signed long int var_1_24 = -1; [L36] unsigned char var_1_26 = 32; [L37] unsigned char var_1_27 = 200; [L38] unsigned char var_1_28 = 5; [L39] unsigned char var_1_29 = 64; [L40] unsigned char var_1_30 = 64; [L41] unsigned char var_1_31 = 32; [L42] unsigned char var_1_32 = 5; [L43] signed char var_1_33 = 2; [L44] signed char var_1_34 = 32; [L45] unsigned short int var_1_35 = 16; [L46] float var_1_37 = 63.5; [L47] signed long int last_1_var_1_24 = -1; [L48] unsigned char last_1_var_1_26 = 32; [L49] signed char last_1_var_1_33 = 2; [L50] unsigned short int last_1_var_1_35 = 16; [L191] isInitial = 1 [L192] FCALL initially() [L193] COND TRUE 1 [L194] CALL updateLastVariables() [L181] last_1_var_1_24 = var_1_24 [L182] last_1_var_1_26 = var_1_26 [L183] last_1_var_1_33 = var_1_33 [L184] last_1_var_1_35 = var_1_35 [L194] RET updateLastVariables() [L195] CALL updateVariables() [L143] var_1_4 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=1284/5, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_7=125/4, var_1_8=38/5, var_1_9=89/10] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=1284/5, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_7=125/4, var_1_8=38/5, var_1_9=89/10] [L145] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=1284/5, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=38/5, var_1_9=89/10] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=1284/5, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_8=38/5, var_1_9=89/10] [L146] var_1_8 = __VERIFIER_nondet_double() [L147] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=1284/5, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_9=89/10] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=1284/5, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4, var_1_9=89/10] [L148] var_1_9 = __VERIFIER_nondet_double() [L149] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=1284/5, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=1284/5, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L150] var_1_10 = __VERIFIER_nondet_double() [L151] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=22006, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L152] var_1_19 = __VERIFIER_nondet_short() [L153] CALL assume_abort_if_not(var_1_19 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_19 >= 16383) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L154] CALL assume_abort_if_not(var_1_19 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_19 <= 32766) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=0, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L155] var_1_22 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_22 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_22 >= 1) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L157] CALL assume_abort_if_not(var_1_22 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_22 <= 1) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=200, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L158] var_1_27 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_27 >= 190) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_27 >= 190) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L160] CALL assume_abort_if_not(var_1_27 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_27 <= 254) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=5, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L161] var_1_28 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L163] CALL assume_abort_if_not(var_1_28 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=29, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_28 <= 63) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=29, var_1_29=64, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L164] var_1_29 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_29 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=29, var_1_29=63, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_29 >= 63) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=29, var_1_29=63, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L166] CALL assume_abort_if_not(var_1_29 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=29, var_1_29=63, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_29 <= 127) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=29, var_1_29=63, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L167] var_1_30 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_30 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=29, var_1_29=63, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_30 >= 31) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=29, var_1_29=63, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L169] CALL assume_abort_if_not(var_1_30 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=29, var_1_29=63, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_30 <= 64) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=29, var_1_29=63, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L170] var_1_31 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_31 >= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=29, var_1_29=63, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_31 >= 32) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=29, var_1_29=63, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L172] CALL assume_abort_if_not(var_1_31 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=29, var_1_29=63, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_31 <= 63) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=29, var_1_29=63, var_1_30=64, var_1_31=32, var_1_32=5, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L173] var_1_32 = __VERIFIER_nondet_uchar() [L174] CALL assume_abort_if_not(var_1_32 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=29, var_1_29=63, var_1_30=64, var_1_31=32, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_32 >= 0) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=29, var_1_29=63, var_1_30=64, var_1_31=32, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L175] CALL assume_abort_if_not(var_1_32 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=29, var_1_29=63, var_1_30=64, var_1_31=32, var_1_32=33, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_32 <= 63) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=29, var_1_29=63, var_1_30=64, var_1_31=32, var_1_32=33, var_1_33=2, var_1_34=32, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L176] var_1_34 = __VERIFIER_nondet_char() [L177] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=29, var_1_29=63, var_1_30=64, var_1_31=32, var_1_32=33, var_1_33=2, var_1_34=0, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=29, var_1_29=63, var_1_30=64, var_1_31=32, var_1_32=33, var_1_33=2, var_1_34=0, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L178] CALL assume_abort_if_not(var_1_34 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=29, var_1_29=63, var_1_30=64, var_1_31=32, var_1_32=33, var_1_33=2, var_1_34=0, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_34 <= 63) VAL [isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_11=0, var_1_15=64, var_1_18=16, var_1_19=16383, var_1_1=-256, var_1_21=1, var_1_22=1, var_1_23=9/4, var_1_24=-1, var_1_26=32, var_1_27=254, var_1_28=29, var_1_29=63, var_1_30=64, var_1_31=32, var_1_32=33, var_1_33=2, var_1_34=0, var_1_35=16, var_1_37=127/2, var_1_4=1, var_1_7=125/4] [L195] RET updateVariables() [L196] CALL step() [L54] signed long int stepLocal_6 = last_1_var_1_24; [L55] unsigned char stepLocal_5 = var_1_30; [L56] signed long int stepLocal_4 = last_1_var_1_24; [L57] EXPR last_1_var_1_35 | 100000000 [L57] COND TRUE stepLocal_6 < (last_1_var_1_35 | 100000000) [L58] COND TRUE stepLocal_5 > last_1_var_1_35 [L59] COND FALSE !(var_1_19 < stepLocal_4) [L62] var_1_35 = (((((var_1_34 + ((((var_1_28) > (32)) ? (var_1_28) : (32))))) > (((((last_1_var_1_33) < 0 ) ? -(last_1_var_1_33) : (last_1_var_1_33))))) ? ((var_1_34 + ((((var_1_28) > (32)) ? (var_1_28) : (32))))) : (((((last_1_var_1_33) < 0 ) ? -(last_1_var_1_33) : (last_1_var_1_33)))))) [L74] COND TRUE \read(var_1_4) [L75] var_1_21 = (! var_1_22) [L77] COND TRUE ! var_1_21 [L78] var_1_23 = var_1_8 [L80] COND TRUE (var_1_8 + 199.375) <= 10.5 [L81] var_1_26 = ((var_1_27 - var_1_28) - (var_1_29 - 1)) [L89] COND TRUE \read(var_1_22) [L90] var_1_33 = ((var_1_28 - var_1_32) + (var_1_31 - var_1_34)) [L92] var_1_37 = var_1_10 [L93] COND FALSE !((- var_1_8) != var_1_23) [L96] var_1_11 = ((((var_1_26) < ((var_1_26 + var_1_26))) ? (var_1_26) : ((var_1_26 + var_1_26)))) [L98] COND TRUE var_1_26 == var_1_11 [L99] var_1_15 = ((((var_1_26) > (var_1_35)) ? (var_1_26) : (var_1_35))) [L107] COND FALSE !((var_1_11 == var_1_15) && var_1_21) [L110] signed short int stepLocal_3 = var_1_11; [L111] COND TRUE var_1_1 != stepLocal_3 [L112] var_1_18 = (8 - ((((10) > ((var_1_19 - var_1_26))) ? (10) : ((var_1_19 - var_1_26))))) [L114] COND FALSE !(var_1_18 != var_1_18) [L123] var_1_24 = var_1_26 [L125] signed short int stepLocal_2 = var_1_11; [L126] signed long int stepLocal_1 = var_1_1; [L127] unsigned short int stepLocal_0 = var_1_35; [L128] COND FALSE !(stepLocal_0 == var_1_1) [L139] var_1_7 = var_1_10 [L196] RET step() [L197] CALL, EXPR property() [L187] EXPR ((((((((((((var_1_11 == var_1_15) && var_1_21) ? (var_1_1 == ((signed long int) ((((var_1_33) < (var_1_33)) ? (var_1_33) : (var_1_33))))) : 1) && ((var_1_35 == var_1_1) ? ((var_1_11 < var_1_1) ? (var_1_7 == ((double) ((var_1_8 - var_1_9) + var_1_10))) : ((var_1_1 >= 25) ? (var_1_7 == ((double) (((((var_1_8 - var_1_9)) > (var_1_10)) ? ((var_1_8 - var_1_9)) : (var_1_10))))) : (var_1_7 == ((double) var_1_10)))) : (var_1_7 == ((double) var_1_10)))) && (((- var_1_8) != var_1_23) ? (var_1_11 == ((signed short int) (500 + var_1_26))) : (var_1_11 == ((signed short int) ((((var_1_26) < ((var_1_26 + var_1_26))) ? (var_1_26) : ((var_1_26 + var_1_26)))))))) && ((var_1_26 == var_1_11) ? (var_1_15 == ((unsigned long int) ((((var_1_26) > (var_1_35)) ? (var_1_26) : (var_1_35))))) : ((var_1_9 < var_1_37) ? (var_1_15 == ((unsigned long int) var_1_35)) : (var_1_15 == ((unsigned long int) var_1_35))))) && ((var_1_1 != var_1_11) ? (var_1_18 == ((signed short int) (8 - ((((10) > ((var_1_19 - var_1_26))) ? (10) : ((var_1_19 - var_1_26))))))) : 1)) && (var_1_4 ? (var_1_21 == ((unsigned char) (! var_1_22))) : 1)) && ((! var_1_21) ? (var_1_23 == ((float) var_1_8)) : 1)) && ((var_1_18 != var_1_18) ? (((1u ^ var_1_19) > (- var_1_35)) ? (var_1_24 == ((signed long int) var_1_26)) : (var_1_22 ? (var_1_24 == ((signed long int) last_1_var_1_24)) : 1)) : (var_1_24 == ((signed long int) var_1_26)))) && (((var_1_8 + 199.375) <= 10.5) ? (var_1_26 == ((unsigned char) ((var_1_27 - var_1_28) - (var_1_29 - 1)))) : (var_1_21 ? (var_1_26 == ((unsigned char) ((var_1_29 - var_1_28) + ((var_1_30 + var_1_31) - var_1_32)))) : (var_1_26 == ((unsigned char) var_1_28))))) && (var_1_22 ? (var_1_33 == ((signed char) ((var_1_28 - var_1_32) + (var_1_31 - var_1_34)))) : 1)) && ((last_1_var_1_24 < (last_1_var_1_35 | 100000000)) ? ((var_1_30 > last_1_var_1_35) ? ((var_1_19 < last_1_var_1_24) ? (var_1_35 == ((unsigned short int) ((var_1_29 + var_1_28) + var_1_31))) : (var_1_35 == ((unsigned short int) (((((var_1_34 + ((((var_1_28) > (32)) ? (var_1_28) : (32))))) > (((((last_1_var_1_33) < 0 ) ? -(last_1_var_1_33) : (last_1_var_1_33))))) ? ((var_1_34 + ((((var_1_28) > (32)) ? (var_1_28) : (32))))) : (((((last_1_var_1_33) < 0 ) ? -(last_1_var_1_33) : (last_1_var_1_33))))))))) : (var_1_35 == ((unsigned short int) ((((var_1_32) > (((((var_1_31) > (var_1_28)) ? (var_1_31) : (var_1_28))))) ? (var_1_32) : (((((var_1_31) > (var_1_28)) ? (var_1_31) : (var_1_28))))))))) : ((var_1_8 != var_1_10) ? (var_1_35 == ((unsigned short int) ((((last_1_var_1_33) > (last_1_var_1_26)) ? (last_1_var_1_33) : (last_1_var_1_26))))) : (var_1_35 == ((unsigned short int) var_1_28)))) [L187-L188] return (((((((((((((var_1_11 == var_1_15) && var_1_21) ? (var_1_1 == ((signed long int) ((((var_1_33) < (var_1_33)) ? (var_1_33) : (var_1_33))))) : 1) && ((var_1_35 == var_1_1) ? ((var_1_11 < var_1_1) ? (var_1_7 == ((double) ((var_1_8 - var_1_9) + var_1_10))) : ((var_1_1 >= 25) ? (var_1_7 == ((double) (((((var_1_8 - var_1_9)) > (var_1_10)) ? ((var_1_8 - var_1_9)) : (var_1_10))))) : (var_1_7 == ((double) var_1_10)))) : (var_1_7 == ((double) var_1_10)))) && (((- var_1_8) != var_1_23) ? (var_1_11 == ((signed short int) (500 + var_1_26))) : (var_1_11 == ((signed short int) ((((var_1_26) < ((var_1_26 + var_1_26))) ? (var_1_26) : ((var_1_26 + var_1_26)))))))) && ((var_1_26 == var_1_11) ? (var_1_15 == ((unsigned long int) ((((var_1_26) > (var_1_35)) ? (var_1_26) : (var_1_35))))) : ((var_1_9 < var_1_37) ? (var_1_15 == ((unsigned long int) var_1_35)) : (var_1_15 == ((unsigned long int) var_1_35))))) && ((var_1_1 != var_1_11) ? (var_1_18 == ((signed short int) (8 - ((((10) > ((var_1_19 - var_1_26))) ? (10) : ((var_1_19 - var_1_26))))))) : 1)) && (var_1_4 ? (var_1_21 == ((unsigned char) (! var_1_22))) : 1)) && ((! var_1_21) ? (var_1_23 == ((float) var_1_8)) : 1)) && ((var_1_18 != var_1_18) ? (((1u ^ var_1_19) > (- var_1_35)) ? (var_1_24 == ((signed long int) var_1_26)) : (var_1_22 ? (var_1_24 == ((signed long int) last_1_var_1_24)) : 1)) : (var_1_24 == ((signed long int) var_1_26)))) && (((var_1_8 + 199.375) <= 10.5) ? (var_1_26 == ((unsigned char) ((var_1_27 - var_1_28) - (var_1_29 - 1)))) : (var_1_21 ? (var_1_26 == ((unsigned char) ((var_1_29 - var_1_28) + ((var_1_30 + var_1_31) - var_1_32)))) : (var_1_26 == ((unsigned char) var_1_28))))) && (var_1_22 ? (var_1_33 == ((signed char) ((var_1_28 - var_1_32) + (var_1_31 - var_1_34)))) : 1)) && ((last_1_var_1_24 < (last_1_var_1_35 | 100000000)) ? ((var_1_30 > last_1_var_1_35) ? ((var_1_19 < last_1_var_1_24) ? (var_1_35 == ((unsigned short int) ((var_1_29 + var_1_28) + var_1_31))) : (var_1_35 == ((unsigned short int) (((((var_1_34 + ((((var_1_28) > (32)) ? (var_1_28) : (32))))) > (((((last_1_var_1_33) < 0 ) ? -(last_1_var_1_33) : (last_1_var_1_33))))) ? ((var_1_34 + ((((var_1_28) > (32)) ? (var_1_28) : (32))))) : (((((last_1_var_1_33) < 0 ) ? -(last_1_var_1_33) : (last_1_var_1_33))))))))) : (var_1_35 == ((unsigned short int) ((((var_1_32) > (((((var_1_31) > (var_1_28)) ? (var_1_31) : (var_1_28))))) ? (var_1_32) : (((((var_1_31) > (var_1_28)) ? (var_1_31) : (var_1_28))))))))) : ((var_1_8 != var_1_10) ? (var_1_35 == ((unsigned short int) ((((last_1_var_1_33) > (last_1_var_1_26)) ? (last_1_var_1_33) : (last_1_var_1_26))))) : (var_1_35 == ((unsigned short int) var_1_28))))) && (var_1_37 == ((float) var_1_10)) ; [L197] RET, EXPR property() [L197] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=163, var_1_15=163, var_1_18=-16212, var_1_19=16383, var_1_1=-256, var_1_21=0, var_1_22=1, var_1_23=9/4, var_1_24=163, var_1_26=163, var_1_27=254, var_1_28=29, var_1_29=63, var_1_30=64, var_1_31=32, var_1_32=33, var_1_33=28, var_1_34=0, var_1_35=32, var_1_37=100000006, var_1_4=1, var_1_7=100000006, var_1_8=9/4] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_24=-1, last_1_var_1_26=32, last_1_var_1_33=2, last_1_var_1_35=16, var_1_10=100000006, var_1_11=163, var_1_15=163, var_1_18=-16212, var_1_19=16383, var_1_1=-256, var_1_21=0, var_1_22=1, var_1_23=9/4, var_1_24=163, var_1_26=163, var_1_27=254, var_1_28=29, var_1_29=63, var_1_30=64, var_1_31=32, var_1_32=33, var_1_33=28, var_1_34=0, var_1_35=32, var_1_37=100000006, var_1_4=1, var_1_7=100000006, var_1_8=9/4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 23, 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=45occurred 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, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 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 21:11:11,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/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_c2db034a-8c43-448e-a6e9-96d507f46065/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-93.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/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_c2db034a-8c43-448e-a6e9-96d507f46065/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 72006f0e0119dbb436ff3eb0610d23abbaee42e3643f2bc291ef949bbdad90db --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:11:14,046 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:11:14,127 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:11:14,133 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:11:14,133 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:11:14,163 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:11:14,163 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:11:14,164 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:11:14,165 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:11:14,166 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:11:14,166 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:11:14,167 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:11:14,167 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:11:14,168 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:11:14,168 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:11:14,169 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:11:14,170 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:11:14,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:11:14,171 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:11:14,172 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:11:14,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:11:14,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:11:14,174 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:11:14,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:11:14,175 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:11:14,175 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:11:14,176 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:11:14,177 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:11:14,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:11:14,178 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:11:14,178 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:11:14,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:11:14,179 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:11:14,180 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:11:14,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:14,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:11:14,182 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:11:14,182 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:11:14,183 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:11:14,183 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:11:14,184 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:11:14,184 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:11:14,185 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:11:14,185 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:11:14,186 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_c2db034a-8c43-448e-a6e9-96d507f46065/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72006f0e0119dbb436ff3eb0610d23abbaee42e3643f2bc291ef949bbdad90db [2023-11-23 21:11:14,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:11:14,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:11:14,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:11:14,651 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:11:14,652 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:11:14,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-93.i [2023-11-23 21:11:18,057 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:11:18,359 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:11:18,360 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-93.i [2023-11-23 21:11:18,380 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/bin/utaipan-verify-mE87zJ7Ire/data/1b29117f9/0f76af4cec0f491981a8b82060b4d4ce/FLAG7e456bd0a [2023-11-23 21:11:18,405 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/bin/utaipan-verify-mE87zJ7Ire/data/1b29117f9/0f76af4cec0f491981a8b82060b4d4ce [2023-11-23 21:11:18,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:11:18,411 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:11:18,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:18,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:11:18,419 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:11:18,420 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:18" (1/1) ... [2023-11-23 21:11:18,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d816307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:18, skipping insertion in model container [2023-11-23 21:11:18,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:18" (1/1) ... [2023-11-23 21:11:18,485 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:11:18,706 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_c2db034a-8c43-448e-a6e9-96d507f46065/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-93.i[916,929] [2023-11-23 21:11:18,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:18,895 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:11:18,910 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_c2db034a-8c43-448e-a6e9-96d507f46065/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-93.i[916,929] [2023-11-23 21:11:18,966 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:18,987 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:11:18,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:18 WrapperNode [2023-11-23 21:11:18,988 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:18,989 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:18,989 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:11:18,989 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:11:18,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:18" (1/1) ... [2023-11-23 21:11:19,014 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:18" (1/1) ... [2023-11-23 21:11:19,050 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 182 [2023-11-23 21:11:19,050 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:19,051 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:11:19,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:11:19,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:11:19,062 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:18" (1/1) ... [2023-11-23 21:11:19,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:18" (1/1) ... [2023-11-23 21:11:19,069 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:18" (1/1) ... [2023-11-23 21:11:19,069 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:18" (1/1) ... [2023-11-23 21:11:19,085 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:18" (1/1) ... [2023-11-23 21:11:19,090 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:18" (1/1) ... [2023-11-23 21:11:19,094 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:18" (1/1) ... [2023-11-23 21:11:19,097 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:18" (1/1) ... [2023-11-23 21:11:19,102 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:11:19,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:11:19,104 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:11:19,104 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:11:19,105 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:18" (1/1) ... [2023-11-23 21:11:19,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:19,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:11:19,175 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:11:19,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:11:19,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:11:19,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:11:19,224 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:11:19,224 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:11:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:11:19,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:11:19,368 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:11:19,373 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:11:23,133 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:11:23,246 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:11:23,247 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:11:23,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:23 BoogieIcfgContainer [2023-11-23 21:11:23,247 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:11:23,252 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:11:23,252 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:11:23,255 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:11:23,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:11:18" (1/3) ... [2023-11-23 21:11:23,256 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41a2aee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:23, skipping insertion in model container [2023-11-23 21:11:23,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:18" (2/3) ... [2023-11-23 21:11:23,258 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41a2aee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:23, skipping insertion in model container [2023-11-23 21:11:23,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:23" (3/3) ... [2023-11-23 21:11:23,260 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-93.i [2023-11-23 21:11:23,279 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:11:23,279 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:11:23,338 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:11:23,345 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;@5042d6f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:11:23,345 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:11:23,350 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 46 states have (on average 1.5434782608695652) internal successors, (71), 47 states have internal predecessors, (71), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 21:11:23,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-23 21:11:23,373 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:23,373 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:11:23,374 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:11:23,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:23,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1315534475, now seen corresponding path program 1 times [2023-11-23 21:11:23,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:11:23,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [476787615] [2023-11-23 21:11:23,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:23,392 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 21:11:23,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:11:23,400 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/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 21:11:23,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/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 21:11:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:11:23,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:11:23,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:11:24,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 512 proven. 0 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2023-11-23 21:11:24,021 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:11:24,022 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:11:24,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [476787615] [2023-11-23 21:11:24,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [476787615] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:11:24,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:11:24,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:11:24,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538402456] [2023-11-23 21:11:24,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:11:24,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:11:24,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:11:24,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:11:24,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:11:24,067 INFO L87 Difference]: Start difference. First operand has 72 states, 46 states have (on average 1.5434782608695652) internal successors, (71), 47 states have internal predecessors, (71), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-23 21:11:26,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:26,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:11:26,225 INFO L93 Difference]: Finished difference Result 139 states and 251 transitions. [2023-11-23 21:11:26,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:11:26,260 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 148 [2023-11-23 21:11:26,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:11:26,270 INFO L225 Difference]: With dead ends: 139 [2023-11-23 21:11:26,270 INFO L226 Difference]: Without dead ends: 68 [2023-11-23 21:11:26,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 147 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 21:11:26,278 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:11:26,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2023-11-23 21:11:26,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-23 21:11:26,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-23 21:11:26,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 43 states have (on average 1.4186046511627908) internal successors, (61), 43 states have internal predecessors, (61), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 21:11:26,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 107 transitions. [2023-11-23 21:11:26,331 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 107 transitions. Word has length 148 [2023-11-23 21:11:26,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:11:26,332 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 107 transitions. [2023-11-23 21:11:26,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-23 21:11:26,333 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 107 transitions. [2023-11-23 21:11:26,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-23 21:11:26,337 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:26,338 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:11:26,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/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)] Ended with exit code 0 [2023-11-23 21:11:26,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/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 21:11:26,549 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:11:26,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:26,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1549849861, now seen corresponding path program 1 times [2023-11-23 21:11:26,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:11:26,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [106382004] [2023-11-23 21:11:26,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:26,551 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:11:26,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:11:26,553 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/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 21:11:26,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/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 21:11:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:11:27,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:11:27,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:11:28,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-23 21:11:28,329 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:11:28,329 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:11:28,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [106382004] [2023-11-23 21:11:28,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [106382004] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:11:28,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:11:28,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:11:28,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318930703] [2023-11-23 21:11:28,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:11:28,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:11:28,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:11:28,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:11:28,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:11:28,334 INFO L87 Difference]: Start difference. First operand 68 states and 107 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-23 21:11:30,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:32,774 WARN L539 Checker$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 21:11:34,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:36,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:39,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:41,005 WARN L539 Checker$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 21:11:43,011 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 21:11:43,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:11:43,013 INFO L93 Difference]: Finished difference Result 202 states and 318 transitions. [2023-11-23 21:11:43,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:11:43,051 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 148 [2023-11-23 21:11:43,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:11:43,058 INFO L225 Difference]: With dead ends: 202 [2023-11-23 21:11:43,058 INFO L226 Difference]: Without dead ends: 135 [2023-11-23 21:11:43,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:11:43,063 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 120 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 47 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:11:43,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 409 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 13 Invalid, 7 Unknown, 0 Unchecked, 14.5s Time] [2023-11-23 21:11:43,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2023-11-23 21:11:43,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 110. [2023-11-23 21:11:43,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 61 states have (on average 1.2950819672131149) internal successors, (79), 61 states have internal predecessors, (79), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-23 21:11:43,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 171 transitions. [2023-11-23 21:11:43,098 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 171 transitions. Word has length 148 [2023-11-23 21:11:43,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:11:43,100 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 171 transitions. [2023-11-23 21:11:43,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-23 21:11:43,100 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 171 transitions. [2023-11-23 21:11:43,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-23 21:11:43,106 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:43,106 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:11:43,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/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 21:11:43,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/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 21:11:43,321 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:11:43,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:43,322 INFO L85 PathProgramCache]: Analyzing trace with hash -5662397, now seen corresponding path program 1 times [2023-11-23 21:11:43,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:11:43,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1542635903] [2023-11-23 21:11:43,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:43,323 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 21:11:43,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:11:43,329 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/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 21:11:43,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/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 21:11:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:11:43,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:11:43,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:11:45,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-23 21:11:45,002 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:11:45,002 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:11:45,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1542635903] [2023-11-23 21:11:45,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1542635903] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:11:45,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:11:45,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:11:45,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229416512] [2023-11-23 21:11:45,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:11:45,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:11:45,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:11:45,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:11:45,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:11:45,005 INFO L87 Difference]: Start difference. First operand 110 states and 171 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-23 21:11:47,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:49,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:51,436 WARN L539 Checker$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 21:11:51,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:11:51,503 INFO L93 Difference]: Finished difference Result 244 states and 383 transitions. [2023-11-23 21:11:51,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:11:51,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 148 [2023-11-23 21:11:51,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:11:51,509 INFO L225 Difference]: With dead ends: 244 [2023-11-23 21:11:51,509 INFO L226 Difference]: Without dead ends: 177 [2023-11-23 21:11:51,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 146 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 21:11:51,513 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 37 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:11:51,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 197 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 3 Unknown, 0 Unchecked, 6.4s Time] [2023-11-23 21:11:51,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2023-11-23 21:11:51,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 175. [2023-11-23 21:11:51,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 102 states have (on average 1.3333333333333333) internal successors, (136), 102 states have internal predecessors, (136), 69 states have call successors, (69), 3 states have call predecessors, (69), 3 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-11-23 21:11:51,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 274 transitions. [2023-11-23 21:11:51,580 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 274 transitions. Word has length 148 [2023-11-23 21:11:51,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:11:51,582 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 274 transitions. [2023-11-23 21:11:51,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-23 21:11:51,583 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 274 transitions. [2023-11-23 21:11:51,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-23 21:11:51,586 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:51,587 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:11:51,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/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 21:11:51,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/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 21:11:51,801 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:11:51,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:51,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1285526075, now seen corresponding path program 1 times [2023-11-23 21:11:51,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:11:51,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1441792356] [2023-11-23 21:11:51,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:51,803 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 21:11:51,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:11:51,809 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/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 21:11:51,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 21:11:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:11:52,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:11:52,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:11:52,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-23 21:11:52,364 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:11:52,364 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:11:52,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1441792356] [2023-11-23 21:11:52,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1441792356] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:11:52,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:11:52,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:11:52,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278150326] [2023-11-23 21:11:52,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:11:52,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:11:52,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:11:52,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:11:52,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:11:52,369 INFO L87 Difference]: Start difference. First operand 175 states and 274 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-23 21:11:55,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:57,115 WARN L539 Checker$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 21:11:59,121 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 21:11:59,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:11:59,409 INFO L93 Difference]: Finished difference Result 433 states and 682 transitions. [2023-11-23 21:11:59,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:11:59,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 148 [2023-11-23 21:11:59,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:11:59,416 INFO L225 Difference]: With dead ends: 433 [2023-11-23 21:11:59,416 INFO L226 Difference]: Without dead ends: 301 [2023-11-23 21:11:59,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 146 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 21:11:59,421 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 97 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:11:59,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 283 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 3 Unknown, 0 Unchecked, 7.0s Time] [2023-11-23 21:11:59,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2023-11-23 21:11:59,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 177. [2023-11-23 21:11:59,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 104 states have (on average 1.3269230769230769) internal successors, (138), 104 states have internal predecessors, (138), 69 states have call successors, (69), 3 states have call predecessors, (69), 3 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-11-23 21:11:59,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 276 transitions. [2023-11-23 21:11:59,484 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 276 transitions. Word has length 148 [2023-11-23 21:11:59,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:11:59,485 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 276 transitions. [2023-11-23 21:11:59,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-23 21:11:59,486 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 276 transitions. [2023-11-23 21:11:59,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-23 21:11:59,488 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:59,489 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:11:59,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/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)] Ended with exit code 0 [2023-11-23 21:11:59,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/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 21:11:59,699 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:11:59,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:59,700 INFO L85 PathProgramCache]: Analyzing trace with hash -584461497, now seen corresponding path program 1 times [2023-11-23 21:11:59,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:11:59,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [30724435] [2023-11-23 21:11:59,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:59,701 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 21:11:59,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:11:59,702 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/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 21:11:59,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2db034a-8c43-448e-a6e9-96d507f46065/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-23 21:12:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:00,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 21:12:00,182 INFO L285 TraceCheckSpWp]: Computing forward predicates...