./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/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_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/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_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/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 e2465c1c8b10741a8eace09a346c15600fd07ab293068a1095f6cc78a6f3ca27 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:11:47,368 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:11:47,436 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:11:47,442 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:11:47,443 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:11:47,469 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:11:47,470 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:11:47,470 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:11:47,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:11:47,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:11:47,472 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:11:47,473 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:11:47,473 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:11:47,474 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:11:47,475 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:11:47,475 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:11:47,476 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:11:47,476 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:11:47,477 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:11:47,478 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:11:47,478 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:11:47,479 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:11:47,480 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:11:47,480 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:11:47,481 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:11:47,481 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:11:47,482 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:11:47,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:11:47,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:11:47,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:11:47,484 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:11:47,484 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:11:47,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:11:47,485 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:11:47,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:11:47,486 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:11:47,486 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:11:47,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:47,487 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:11:47,487 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:11:47,488 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:11:47,488 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:11:47,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:11:47,489 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:11:47,490 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:11:47,490 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:11:47,490 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:11:47,491 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_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2465c1c8b10741a8eace09a346c15600fd07ab293068a1095f6cc78a6f3ca27 [2023-11-23 21:11:47,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:11:47,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:11:47,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:11:47,877 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:11:47,877 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:11:47,879 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-9.i [2023-11-23 21:11:51,057 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:11:51,286 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:11:51,287 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-9.i [2023-11-23 21:11:51,298 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/data/172297b56/6d7e9fe37c1e40c581f7f9190a2604e2/FLAGd113a742c [2023-11-23 21:11:51,314 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/data/172297b56/6d7e9fe37c1e40c581f7f9190a2604e2 [2023-11-23 21:11:51,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:11:51,318 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:11:51,320 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:51,320 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:11:51,326 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:11:51,327 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:51" (1/1) ... [2023-11-23 21:11:51,328 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a7f2afa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:51, skipping insertion in model container [2023-11-23 21:11:51,328 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:51" (1/1) ... [2023-11-23 21:11:51,362 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:11:51,561 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_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-9.i[915,928] [2023-11-23 21:11:51,659 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:51,679 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:11:51,691 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_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-9.i[915,928] [2023-11-23 21:11:51,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:51,752 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:11:51,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:51 WrapperNode [2023-11-23 21:11:51,753 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:51,754 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:51,754 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:11:51,754 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:11:51,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:51" (1/1) ... [2023-11-23 21:11:51,775 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:51" (1/1) ... [2023-11-23 21:11:51,845 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 253 [2023-11-23 21:11:51,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:51,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:11:51,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:11:51,848 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:11:51,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:51" (1/1) ... [2023-11-23 21:11:51,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:51" (1/1) ... [2023-11-23 21:11:51,870 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:51" (1/1) ... [2023-11-23 21:11:51,871 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:51" (1/1) ... [2023-11-23 21:11:51,897 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:51" (1/1) ... [2023-11-23 21:11:51,916 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:51" (1/1) ... [2023-11-23 21:11:51,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:51" (1/1) ... [2023-11-23 21:11:51,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:51" (1/1) ... [2023-11-23 21:11:51,957 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:11:51,967 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:11:51,967 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:11:51,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:11:51,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:51" (1/1) ... [2023-11-23 21:11:51,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:51,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:11:52,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:11:52,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:11:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:11:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:11:52,067 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:11:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:11:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:11:52,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:11:52,192 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:11:52,194 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:11:52,917 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:11:53,382 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:11:53,383 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:11:53,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:53 BoogieIcfgContainer [2023-11-23 21:11:53,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:11:53,389 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:11:53,389 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:11:53,392 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:11:53,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:11:51" (1/3) ... [2023-11-23 21:11:53,394 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d5346d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:53, skipping insertion in model container [2023-11-23 21:11:53,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:51" (2/3) ... [2023-11-23 21:11:53,396 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d5346d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:53, skipping insertion in model container [2023-11-23 21:11:53,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:53" (3/3) ... [2023-11-23 21:11:53,398 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-9.i [2023-11-23 21:11:53,422 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:11:53,423 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:11:53,493 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:11:53,501 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;@22633f7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:11:53,502 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:11:53,506 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-23 21:11:53,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-23 21:11:53,520 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:53,521 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:11:53,522 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:11:53,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:53,530 INFO L85 PathProgramCache]: Analyzing trace with hash 201864694, now seen corresponding path program 1 times [2023-11-23 21:11:53,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:11:53,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141692036] [2023-11-23 21:11:53,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:53,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:11:53,789 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:11:53,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1067665403] [2023-11-23 21:11:53,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:53,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:11:53,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:11:53,800 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:11:53,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:11:54,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:11:54,054 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:11:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:11:54,419 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:11:54,421 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:11:54,423 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:11:54,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-23 21:11:54,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:11:54,635 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:11:54,639 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:11:54,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:11:54 BoogieIcfgContainer [2023-11-23 21:11:54,786 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:11:54,787 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:11:54,787 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:11:54,787 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:11:54,788 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:53" (3/4) ... [2023-11-23 21:11:54,793 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:11:54,794 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:11:54,795 INFO L158 Benchmark]: Toolchain (without parser) took 3476.66ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 87.2MB in the beginning and 70.0MB in the end (delta: 17.2MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2023-11-23 21:11:54,797 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory was 75.7MB in the beginning and 75.7MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:11:54,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.08ms. Allocated memory is still 130.0MB. Free memory was 87.2MB in the beginning and 94.5MB in the end (delta: -7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 21:11:54,805 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.64ms. Allocated memory is still 130.0MB. Free memory was 94.5MB in the beginning and 87.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 21:11:54,808 INFO L158 Benchmark]: Boogie Preprocessor took 119.42ms. Allocated memory is still 130.0MB. Free memory was 87.0MB in the beginning and 83.7MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:11:54,808 INFO L158 Benchmark]: RCFGBuilder took 1417.83ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 83.7MB in the beginning and 122.4MB in the end (delta: -38.8MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. [2023-11-23 21:11:54,809 INFO L158 Benchmark]: TraceAbstraction took 1398.11ms. Allocated memory is still 161.5MB. Free memory was 121.6MB in the beginning and 70.0MB in the end (delta: 51.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-23 21:11:54,810 INFO L158 Benchmark]: Witness Printer took 6.88ms. Allocated memory is still 161.5MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:11:54,813 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory was 75.7MB in the beginning and 75.7MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 433.08ms. Allocated memory is still 130.0MB. Free memory was 87.2MB in the beginning and 94.5MB in the end (delta: -7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.64ms. Allocated memory is still 130.0MB. Free memory was 94.5MB in the beginning and 87.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.42ms. Allocated memory is still 130.0MB. Free memory was 87.0MB in the beginning and 83.7MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1417.83ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 83.7MB in the beginning and 122.4MB in the end (delta: -38.8MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1398.11ms. Allocated memory is still 161.5MB. Free memory was 121.6MB in the beginning and 70.0MB in the end (delta: 51.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 6.88ms. Allocated memory is still 161.5MB. Free memory is still 70.0MB. 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 someBinaryDOUBLEComparisonOperation at line 65, overapproximation of someBinaryArithmeticDOUBLEoperation at line 57, overapproximation of bitwiseAnd at line 129. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -128; [L23] double var_1_4 = 99999999999.6; [L24] unsigned char var_1_5 = 1; [L25] signed long int var_1_6 = -5; [L26] signed char var_1_10 = 64; [L27] signed char var_1_11 = 16; [L28] signed char var_1_12 = 4; [L29] signed char var_1_13 = 64; [L30] unsigned short int var_1_14 = 64; [L31] unsigned char var_1_16 = 8; [L32] unsigned char var_1_17 = 200; [L33] unsigned char var_1_18 = 1; [L34] signed long int var_1_19 = 10; [L35] signed long int var_1_20 = -256; [L36] signed char var_1_21 = 25; [L37] signed char var_1_23 = 1; [L38] signed char var_1_24 = 5; [L39] unsigned char var_1_25 = 0; [L40] double var_1_26 = 8.125; [L41] double var_1_27 = 0.875; [L42] double var_1_28 = 15.6; [L43] double var_1_29 = 2.5; [L44] unsigned long int var_1_30 = 25; [L45] signed long int var_1_31 = 50; [L46] signed short int var_1_32 = -8; [L47] unsigned char var_1_33 = 100; [L48] signed long int last_1_var_1_6 = -5; [L49] signed long int last_1_var_1_20 = -256; [L50] signed char last_1_var_1_21 = 25; [L203] isInitial = 1 [L204] FCALL initially() [L205] COND TRUE 1 [L206] CALL updateLastVariables() [L194] last_1_var_1_6 = var_1_6 [L195] last_1_var_1_20 = var_1_20 [L196] last_1_var_1_21 = var_1_21 [L206] RET updateLastVariables() [L207] CALL updateVariables() [L152] var_1_4 = __VERIFIER_nondet_double() [L153] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=16, var_1_12=4, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=16, var_1_12=4, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L154] CALL assume_abort_if_not(var_1_4 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=16, var_1_12=4, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_4 != 0.0F) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=16, var_1_12=4, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L155] var_1_5 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=16, var_1_12=4, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_6=-5] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=16, var_1_12=4, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_6=-5] [L157] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=16, var_1_12=4, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=16, var_1_12=4, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L158] var_1_11 = __VERIFIER_nondet_char() [L159] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=4, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=4, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L160] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=4, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=4, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L161] var_1_12 = __VERIFIER_nondet_char() [L162] CALL assume_abort_if_not(var_1_12 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_12 >= -1) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L163] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L164] var_1_13 = __VERIFIER_nondet_char() [L165] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L166] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L167] var_1_17 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_17 >= 190) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_17 >= 190) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L169] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L170] var_1_18 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L172] CALL assume_abort_if_not(var_1_18 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=63, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_18 <= 63) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=63, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L173] var_1_23 = __VERIFIER_nondet_char() [L174] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=63, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=63, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L175] CALL assume_abort_if_not(var_1_23 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=63, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_23 <= 63) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=63, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L176] var_1_24 = __VERIFIER_nondet_char() [L177] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=63, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=63, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L178] CALL assume_abort_if_not(var_1_24 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=63, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_24 <= 63) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=63, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L179] var_1_25 = __VERIFIER_nondet_uchar() [L180] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=63, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=63, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L181] CALL assume_abort_if_not(var_1_25 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=63, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_25 <= 1) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=63, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L182] var_1_27 = __VERIFIER_nondet_double() [L183] CALL assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 4611686.018427382800e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=63, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=65/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 4611686.018427382800e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=63, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=65/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L184] var_1_28 = __VERIFIER_nondet_double() [L185] CALL assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 4611686.018427382800e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=63, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=65/8, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 4611686.018427382800e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=63, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=65/8, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L186] var_1_29 = __VERIFIER_nondet_double() [L187] CALL assume_abort_if_not((var_1_29 >= -461168.6018427382800e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 4611686.018427382800e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=63, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=65/8, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not((var_1_29 >= -461168.6018427382800e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 4611686.018427382800e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=63, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=65/8, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L188] var_1_31 = __VERIFIER_nondet_long() [L189] CALL assume_abort_if_not(var_1_31 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=63, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=65/8, var_1_30=25, var_1_31=-2, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_31 >= -2147483648) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=63, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=65/8, var_1_30=25, var_1_31=-2, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L190] CALL assume_abort_if_not(var_1_31 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=63, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=65/8, var_1_30=25, var_1_31=-2, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_31 <= 2147483647) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=63, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=65/8, var_1_30=25, var_1_31=-2, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L191] CALL assume_abort_if_not(var_1_31 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=63, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=65/8, var_1_30=25, var_1_31=-2, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not(var_1_31 != 0) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=64, var_1_16=8, var_1_17=222, var_1_18=63, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=65/8, var_1_30=25, var_1_31=-2, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L207] RET updateVariables() [L208] CALL step() [L54] COND TRUE \read(var_1_5) [L55] COND TRUE (last_1_var_1_6 < 1) || var_1_25 [L56] COND TRUE \read(var_1_25) [L57] var_1_26 = ((var_1_27 - var_1_28) + var_1_29) [L65] COND FALSE !((- var_1_26) >= (var_1_26 / var_1_4)) [L70] var_1_32 = var_1_23 [L71] var_1_33 = var_1_18 [L72] COND FALSE !(! var_1_5) [L87] var_1_14 = var_1_13 [L89] COND FALSE !(var_1_1 == 0) [L92] COND FALSE !(var_1_14 < var_1_1) [L95] var_1_6 = var_1_1 [L98] unsigned short int stepLocal_0 = var_1_14; [L99] COND FALSE !(! var_1_5) [L104] var_1_16 = var_1_18 [L106] var_1_19 = var_1_16 [L107] COND FALSE !(((-32 + var_1_33) / var_1_17) >= ((var_1_13 - var_1_33) / var_1_31)) [L114] var_1_30 = var_1_33 [L116] COND TRUE \read(var_1_5) [L117] var_1_10 = var_1_11 [L125] COND TRUE \read(var_1_5) [L126] var_1_20 = -10000000 [L142] unsigned char stepLocal_1 = var_1_5; [L143] EXPR last_1_var_1_21 & var_1_10 [L143] COND FALSE !(((last_1_var_1_21 & var_1_10) >= var_1_12) && stepLocal_1) [L146] COND FALSE !(! var_1_25) [L208] RET step() [L209] CALL, EXPR property() [L199] EXPR ((((((((- var_1_26) >= (var_1_26 / var_1_4)) ? (var_1_5 ? (var_1_1 == ((signed long int) 10)) : 1) : 1) && ((var_1_1 == 0) ? (var_1_6 == ((signed long int) (((((var_1_1 + var_1_32)) > (var_1_14)) ? ((var_1_1 + var_1_32)) : (var_1_14))))) : ((var_1_14 < var_1_1) ? (var_1_6 == ((signed long int) var_1_1)) : (var_1_6 == ((signed long int) var_1_1))))) && (var_1_5 ? (var_1_10 == ((signed char) var_1_11)) : ((var_1_33 == ((((var_1_30) < 0 ) ? -(var_1_30) : (var_1_30)))) ? (var_1_10 == ((signed char) (((((var_1_12 - var_1_13)) < (var_1_11)) ? ((var_1_12 - var_1_13)) : (var_1_11))))) : (var_1_10 == ((signed char) var_1_13))))) && ((! var_1_5) ? ((-4 <= var_1_33) ? (((((((- var_1_33)) > (var_1_33)) ? ((- var_1_33)) : (var_1_33))) >= var_1_33) ? (var_1_14 == ((unsigned short int) (((((var_1_33 + 5)) < (var_1_13)) ? ((var_1_33 + 5)) : (var_1_13))))) : ((! (var_1_26 < var_1_26)) ? (var_1_14 == ((unsigned short int) var_1_13)) : (var_1_14 == ((unsigned short int) var_1_33)))) : (var_1_14 == ((unsigned short int) var_1_13))) : (var_1_14 == ((unsigned short int) var_1_13)))) && ((! var_1_5) ? ((-2 >= var_1_14) ? (var_1_16 == ((unsigned char) (((((var_1_17 - var_1_18) - 32) < 0 ) ? -((var_1_17 - var_1_18) - 32) : ((var_1_17 - var_1_18) - 32))))) : 1) : (var_1_16 == ((unsigned char) var_1_18)))) && (var_1_19 == ((signed long int) var_1_16))) && (var_1_5 ? (var_1_20 == ((signed long int) -10000000)) : ((var_1_11 <= var_1_10) ? ((last_1_var_1_20 <= ((var_1_14 / var_1_17) & var_1_33)) ? ((var_1_14 > var_1_33) ? (var_1_20 == ((signed long int) (last_1_var_1_20 + var_1_12))) : (var_1_20 == ((signed long int) last_1_var_1_20))) : (var_1_20 == ((signed long int) var_1_16))) : (var_1_20 == ((signed long int) var_1_14)))) [L199] EXPR var_1_5 ? (var_1_20 == ((signed long int) -10000000)) : ((var_1_11 <= var_1_10) ? ((last_1_var_1_20 <= ((var_1_14 / var_1_17) & var_1_33)) ? ((var_1_14 > var_1_33) ? (var_1_20 == ((signed long int) (last_1_var_1_20 + var_1_12))) : (var_1_20 == ((signed long int) last_1_var_1_20))) : (var_1_20 == ((signed long int) var_1_16))) : (var_1_20 == ((signed long int) var_1_14))) [L199] EXPR ((((((((- var_1_26) >= (var_1_26 / var_1_4)) ? (var_1_5 ? (var_1_1 == ((signed long int) 10)) : 1) : 1) && ((var_1_1 == 0) ? (var_1_6 == ((signed long int) (((((var_1_1 + var_1_32)) > (var_1_14)) ? ((var_1_1 + var_1_32)) : (var_1_14))))) : ((var_1_14 < var_1_1) ? (var_1_6 == ((signed long int) var_1_1)) : (var_1_6 == ((signed long int) var_1_1))))) && (var_1_5 ? (var_1_10 == ((signed char) var_1_11)) : ((var_1_33 == ((((var_1_30) < 0 ) ? -(var_1_30) : (var_1_30)))) ? (var_1_10 == ((signed char) (((((var_1_12 - var_1_13)) < (var_1_11)) ? ((var_1_12 - var_1_13)) : (var_1_11))))) : (var_1_10 == ((signed char) var_1_13))))) && ((! var_1_5) ? ((-4 <= var_1_33) ? (((((((- var_1_33)) > (var_1_33)) ? ((- var_1_33)) : (var_1_33))) >= var_1_33) ? (var_1_14 == ((unsigned short int) (((((var_1_33 + 5)) < (var_1_13)) ? ((var_1_33 + 5)) : (var_1_13))))) : ((! (var_1_26 < var_1_26)) ? (var_1_14 == ((unsigned short int) var_1_13)) : (var_1_14 == ((unsigned short int) var_1_33)))) : (var_1_14 == ((unsigned short int) var_1_13))) : (var_1_14 == ((unsigned short int) var_1_13)))) && ((! var_1_5) ? ((-2 >= var_1_14) ? (var_1_16 == ((unsigned char) (((((var_1_17 - var_1_18) - 32) < 0 ) ? -((var_1_17 - var_1_18) - 32) : ((var_1_17 - var_1_18) - 32))))) : 1) : (var_1_16 == ((unsigned char) var_1_18)))) && (var_1_19 == ((signed long int) var_1_16))) && (var_1_5 ? (var_1_20 == ((signed long int) -10000000)) : ((var_1_11 <= var_1_10) ? ((last_1_var_1_20 <= ((var_1_14 / var_1_17) & var_1_33)) ? ((var_1_14 > var_1_33) ? (var_1_20 == ((signed long int) (last_1_var_1_20 + var_1_12))) : (var_1_20 == ((signed long int) last_1_var_1_20))) : (var_1_20 == ((signed long int) var_1_16))) : (var_1_20 == ((signed long int) var_1_14)))) [L199] EXPR (((((((((- var_1_26) >= (var_1_26 / var_1_4)) ? (var_1_5 ? (var_1_1 == ((signed long int) 10)) : 1) : 1) && ((var_1_1 == 0) ? (var_1_6 == ((signed long int) (((((var_1_1 + var_1_32)) > (var_1_14)) ? ((var_1_1 + var_1_32)) : (var_1_14))))) : ((var_1_14 < var_1_1) ? (var_1_6 == ((signed long int) var_1_1)) : (var_1_6 == ((signed long int) var_1_1))))) && (var_1_5 ? (var_1_10 == ((signed char) var_1_11)) : ((var_1_33 == ((((var_1_30) < 0 ) ? -(var_1_30) : (var_1_30)))) ? (var_1_10 == ((signed char) (((((var_1_12 - var_1_13)) < (var_1_11)) ? ((var_1_12 - var_1_13)) : (var_1_11))))) : (var_1_10 == ((signed char) var_1_13))))) && ((! var_1_5) ? ((-4 <= var_1_33) ? (((((((- var_1_33)) > (var_1_33)) ? ((- var_1_33)) : (var_1_33))) >= var_1_33) ? (var_1_14 == ((unsigned short int) (((((var_1_33 + 5)) < (var_1_13)) ? ((var_1_33 + 5)) : (var_1_13))))) : ((! (var_1_26 < var_1_26)) ? (var_1_14 == ((unsigned short int) var_1_13)) : (var_1_14 == ((unsigned short int) var_1_33)))) : (var_1_14 == ((unsigned short int) var_1_13))) : (var_1_14 == ((unsigned short int) var_1_13)))) && ((! var_1_5) ? ((-2 >= var_1_14) ? (var_1_16 == ((unsigned char) (((((var_1_17 - var_1_18) - 32) < 0 ) ? -((var_1_17 - var_1_18) - 32) : ((var_1_17 - var_1_18) - 32))))) : 1) : (var_1_16 == ((unsigned char) var_1_18)))) && (var_1_19 == ((signed long int) var_1_16))) && (var_1_5 ? (var_1_20 == ((signed long int) -10000000)) : ((var_1_11 <= var_1_10) ? ((last_1_var_1_20 <= ((var_1_14 / var_1_17) & var_1_33)) ? ((var_1_14 > var_1_33) ? (var_1_20 == ((signed long int) (last_1_var_1_20 + var_1_12))) : (var_1_20 == ((signed long int) last_1_var_1_20))) : (var_1_20 == ((signed long int) var_1_16))) : (var_1_20 == ((signed long int) var_1_14))))) && ((((last_1_var_1_21 & var_1_10) >= var_1_12) && var_1_5) ? (var_1_21 == ((signed char) (var_1_18 + (var_1_23 - var_1_24)))) : ((! var_1_25) ? (var_1_21 == ((signed char) var_1_17)) : 1)) [L199] EXPR last_1_var_1_21 & var_1_10 [L199] EXPR (((((((((- var_1_26) >= (var_1_26 / var_1_4)) ? (var_1_5 ? (var_1_1 == ((signed long int) 10)) : 1) : 1) && ((var_1_1 == 0) ? (var_1_6 == ((signed long int) (((((var_1_1 + var_1_32)) > (var_1_14)) ? ((var_1_1 + var_1_32)) : (var_1_14))))) : ((var_1_14 < var_1_1) ? (var_1_6 == ((signed long int) var_1_1)) : (var_1_6 == ((signed long int) var_1_1))))) && (var_1_5 ? (var_1_10 == ((signed char) var_1_11)) : ((var_1_33 == ((((var_1_30) < 0 ) ? -(var_1_30) : (var_1_30)))) ? (var_1_10 == ((signed char) (((((var_1_12 - var_1_13)) < (var_1_11)) ? ((var_1_12 - var_1_13)) : (var_1_11))))) : (var_1_10 == ((signed char) var_1_13))))) && ((! var_1_5) ? ((-4 <= var_1_33) ? (((((((- var_1_33)) > (var_1_33)) ? ((- var_1_33)) : (var_1_33))) >= var_1_33) ? (var_1_14 == ((unsigned short int) (((((var_1_33 + 5)) < (var_1_13)) ? ((var_1_33 + 5)) : (var_1_13))))) : ((! (var_1_26 < var_1_26)) ? (var_1_14 == ((unsigned short int) var_1_13)) : (var_1_14 == ((unsigned short int) var_1_33)))) : (var_1_14 == ((unsigned short int) var_1_13))) : (var_1_14 == ((unsigned short int) var_1_13)))) && ((! var_1_5) ? ((-2 >= var_1_14) ? (var_1_16 == ((unsigned char) (((((var_1_17 - var_1_18) - 32) < 0 ) ? -((var_1_17 - var_1_18) - 32) : ((var_1_17 - var_1_18) - 32))))) : 1) : (var_1_16 == ((unsigned char) var_1_18)))) && (var_1_19 == ((signed long int) var_1_16))) && (var_1_5 ? (var_1_20 == ((signed long int) -10000000)) : ((var_1_11 <= var_1_10) ? ((last_1_var_1_20 <= ((var_1_14 / var_1_17) & var_1_33)) ? ((var_1_14 > var_1_33) ? (var_1_20 == ((signed long int) (last_1_var_1_20 + var_1_12))) : (var_1_20 == ((signed long int) last_1_var_1_20))) : (var_1_20 == ((signed long int) var_1_16))) : (var_1_20 == ((signed long int) var_1_14))))) && ((((last_1_var_1_21 & var_1_10) >= var_1_12) && var_1_5) ? (var_1_21 == ((signed char) (var_1_18 + (var_1_23 - var_1_24)))) : ((! var_1_25) ? (var_1_21 == ((signed char) var_1_17)) : 1)) [L199-L200] return (((((((((((((- var_1_26) >= (var_1_26 / var_1_4)) ? (var_1_5 ? (var_1_1 == ((signed long int) 10)) : 1) : 1) && ((var_1_1 == 0) ? (var_1_6 == ((signed long int) (((((var_1_1 + var_1_32)) > (var_1_14)) ? ((var_1_1 + var_1_32)) : (var_1_14))))) : ((var_1_14 < var_1_1) ? (var_1_6 == ((signed long int) var_1_1)) : (var_1_6 == ((signed long int) var_1_1))))) && (var_1_5 ? (var_1_10 == ((signed char) var_1_11)) : ((var_1_33 == ((((var_1_30) < 0 ) ? -(var_1_30) : (var_1_30)))) ? (var_1_10 == ((signed char) (((((var_1_12 - var_1_13)) < (var_1_11)) ? ((var_1_12 - var_1_13)) : (var_1_11))))) : (var_1_10 == ((signed char) var_1_13))))) && ((! var_1_5) ? ((-4 <= var_1_33) ? (((((((- var_1_33)) > (var_1_33)) ? ((- var_1_33)) : (var_1_33))) >= var_1_33) ? (var_1_14 == ((unsigned short int) (((((var_1_33 + 5)) < (var_1_13)) ? ((var_1_33 + 5)) : (var_1_13))))) : ((! (var_1_26 < var_1_26)) ? (var_1_14 == ((unsigned short int) var_1_13)) : (var_1_14 == ((unsigned short int) var_1_33)))) : (var_1_14 == ((unsigned short int) var_1_13))) : (var_1_14 == ((unsigned short int) var_1_13)))) && ((! var_1_5) ? ((-2 >= var_1_14) ? (var_1_16 == ((unsigned char) (((((var_1_17 - var_1_18) - 32) < 0 ) ? -((var_1_17 - var_1_18) - 32) : ((var_1_17 - var_1_18) - 32))))) : 1) : (var_1_16 == ((unsigned char) var_1_18)))) && (var_1_19 == ((signed long int) var_1_16))) && (var_1_5 ? (var_1_20 == ((signed long int) -10000000)) : ((var_1_11 <= var_1_10) ? ((last_1_var_1_20 <= ((var_1_14 / var_1_17) & var_1_33)) ? ((var_1_14 > var_1_33) ? (var_1_20 == ((signed long int) (last_1_var_1_20 + var_1_12))) : (var_1_20 == ((signed long int) last_1_var_1_20))) : (var_1_20 == ((signed long int) var_1_16))) : (var_1_20 == ((signed long int) var_1_14))))) && ((((last_1_var_1_21 & var_1_10) >= var_1_12) && var_1_5) ? (var_1_21 == ((signed char) (var_1_18 + (var_1_23 - var_1_24)))) : ((! var_1_25) ? (var_1_21 == ((signed char) var_1_17)) : 1))) && (var_1_5 ? (((last_1_var_1_6 < 1) || var_1_25) ? (var_1_25 ? (var_1_26 == ((double) ((var_1_27 - var_1_28) + var_1_29))) : 1) : (var_1_26 == ((double) var_1_28))) : (var_1_26 == ((double) var_1_28)))) && ((((-32 + var_1_33) / var_1_17) >= ((var_1_13 - var_1_33) / var_1_31)) ? ((var_1_16 > var_1_16) ? (var_1_30 == ((unsigned long int) var_1_18)) : (var_1_30 == ((unsigned long int) var_1_17))) : (var_1_30 == ((unsigned long int) var_1_33)))) && (var_1_32 == ((signed short int) var_1_23))) && (var_1_33 == ((unsigned char) var_1_18)) ; [L209] RET, EXPR property() [L209] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=60, var_1_16=63, var_1_17=222, var_1_18=63, var_1_19=63, var_1_1=-128, var_1_20=-10000000, var_1_21=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_28=0, var_1_30=63, var_1_31=-2, var_1_32=0, var_1_33=63, var_1_5=1, var_1_6=-128] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=60, var_1_14=60, var_1_16=63, var_1_17=222, var_1_18=63, var_1_19=63, var_1_1=-128, var_1_20=-10000000, var_1_21=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_28=0, var_1_30=63, var_1_31=-2, var_1_32=0, var_1_33=63, var_1_5=1, var_1_6=-128] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 26, 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=49occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 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 21:11:54,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/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_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/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_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/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 e2465c1c8b10741a8eace09a346c15600fd07ab293068a1095f6cc78a6f3ca27 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:11:57,427 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:11:57,558 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:11:57,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:11:57,568 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:11:57,610 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:11:57,611 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:11:57,612 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:11:57,613 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:11:57,618 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:11:57,619 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:11:57,619 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:11:57,620 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:11:57,621 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:11:57,622 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:11:57,622 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:11:57,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:11:57,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:11:57,625 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:11:57,626 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:11:57,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:11:57,627 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:11:57,627 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:11:57,628 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:11:57,628 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:11:57,629 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:11:57,629 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:11:57,630 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:11:57,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:11:57,631 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:11:57,632 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:11:57,632 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:11:57,633 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:11:57,633 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:11:57,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:57,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:11:57,634 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:11:57,635 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:11:57,635 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:11:57,636 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:11:57,636 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:11:57,637 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:11:57,637 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:11:57,637 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:11:57,638 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_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2465c1c8b10741a8eace09a346c15600fd07ab293068a1095f6cc78a6f3ca27 [2023-11-23 21:11:58,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:11:58,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:11:58,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:11:58,089 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:11:58,090 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:11:58,091 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-9.i [2023-11-23 21:12:01,275 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:12:01,537 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:12:01,538 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-9.i [2023-11-23 21:12:01,548 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/data/b89d00d3d/810d39a59ad842768df22c58eae1dc4c/FLAGc5d91f8db [2023-11-23 21:12:01,869 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/data/b89d00d3d/810d39a59ad842768df22c58eae1dc4c [2023-11-23 21:12:01,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:12:01,873 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:12:01,874 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:01,874 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:12:01,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:12:01,880 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:01" (1/1) ... [2023-11-23 21:12:01,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c153432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:01, skipping insertion in model container [2023-11-23 21:12:01,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:01" (1/1) ... [2023-11-23 21:12:01,941 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:12:02,089 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_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-9.i[915,928] [2023-11-23 21:12:02,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:02,186 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:12:02,198 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_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-9.i[915,928] [2023-11-23 21:12:02,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:02,296 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:12:02,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:02 WrapperNode [2023-11-23 21:12:02,297 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:02,298 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:02,298 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:12:02,298 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:12:02,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:02" (1/1) ... [2023-11-23 21:12:02,334 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:02" (1/1) ... [2023-11-23 21:12:02,370 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 189 [2023-11-23 21:12:02,370 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:02,371 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:12:02,371 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:12:02,371 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:12:02,379 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:02" (1/1) ... [2023-11-23 21:12:02,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:02" (1/1) ... [2023-11-23 21:12:02,385 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:02" (1/1) ... [2023-11-23 21:12:02,386 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:02" (1/1) ... [2023-11-23 21:12:02,409 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:02" (1/1) ... [2023-11-23 21:12:02,413 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:02" (1/1) ... [2023-11-23 21:12:02,417 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:02" (1/1) ... [2023-11-23 21:12:02,419 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:02" (1/1) ... [2023-11-23 21:12:02,425 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:12:02,426 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:12:02,426 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:12:02,426 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:12:02,427 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:02" (1/1) ... [2023-11-23 21:12:02,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:02,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:12:02,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:12:02,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:12:02,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:12:02,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:12:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:12:02,525 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:12:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:12:02,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:12:02,625 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:12:02,627 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:12:10,985 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:12:11,111 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:12:11,111 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:12:11,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:11 BoogieIcfgContainer [2023-11-23 21:12:11,112 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:12:11,115 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:12:11,115 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:12:11,119 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:12:11,119 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:12:01" (1/3) ... [2023-11-23 21:12:11,120 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@347eb650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:11, skipping insertion in model container [2023-11-23 21:12:11,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:02" (2/3) ... [2023-11-23 21:12:11,120 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@347eb650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:11, skipping insertion in model container [2023-11-23 21:12:11,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:11" (3/3) ... [2023-11-23 21:12:11,122 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-9.i [2023-11-23 21:12:11,141 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:12:11,142 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:12:11,193 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:12:11,200 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;@18aca233, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:12:11,200 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:12:11,205 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 51 states have (on average 1.5490196078431373) internal successors, (79), 52 states have internal predecessors, (79), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-23 21:12:11,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-23 21:12:11,222 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:11,223 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:12:11,224 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:11,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:11,229 INFO L85 PathProgramCache]: Analyzing trace with hash -621673743, now seen corresponding path program 1 times [2023-11-23 21:12:11,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:12:11,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1238832762] [2023-11-23 21:12:11,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:11,246 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:12:11,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:12:11,248 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:12:11,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/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 21:12:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:12,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:12:12,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:12:12,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 674 proven. 0 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2023-11-23 21:12:12,469 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:12:12,469 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:12:12,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1238832762] [2023-11-23 21:12:12,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1238832762] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:12:12,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:12:12,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:12:12,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524508431] [2023-11-23 21:12:12,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:12:12,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:12:12,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:12:12,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:12:12,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:12:12,536 INFO L87 Difference]: Start difference. First operand has 80 states, 51 states have (on average 1.5490196078431373) internal successors, (79), 52 states have internal predecessors, (79), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-23 21:12:14,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:14,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:12:14,855 INFO L93 Difference]: Finished difference Result 156 states and 284 transitions. [2023-11-23 21:12:14,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:12:14,940 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 162 [2023-11-23 21:12:14,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:12:14,947 INFO L225 Difference]: With dead ends: 156 [2023-11-23 21:12:14,948 INFO L226 Difference]: Without dead ends: 77 [2023-11-23 21:12:14,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 161 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 21:12:14,954 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:12:14,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2023-11-23 21:12:14,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-23 21:12:15,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-23 21:12:15,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 49 states have internal predecessors, (68), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-23 21:12:15,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 120 transitions. [2023-11-23 21:12:15,008 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 120 transitions. Word has length 162 [2023-11-23 21:12:15,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:12:15,008 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 120 transitions. [2023-11-23 21:12:15,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-23 21:12:15,009 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 120 transitions. [2023-11-23 21:12:15,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-23 21:12:15,014 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:15,014 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:12:15,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/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 21:12:15,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:12:15,234 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:15,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:15,235 INFO L85 PathProgramCache]: Analyzing trace with hash -96655447, now seen corresponding path program 1 times [2023-11-23 21:12:15,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:12:15,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [863562894] [2023-11-23 21:12:15,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:15,237 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:12:15,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:12:15,240 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:12:15,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/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 21:12:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:16,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:12:16,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:12:16,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-23 21:12:16,632 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:12:16,632 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:12:16,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [863562894] [2023-11-23 21:12:16,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [863562894] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:12:16,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:12:16,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:12:16,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863780522] [2023-11-23 21:12:16,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:12:16,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:12:16,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:12:16,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:12:16,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:12:16,637 INFO L87 Difference]: Start difference. First operand 77 states and 120 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-23 21:12:19,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:21,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:23,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:23,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:12:23,329 INFO L93 Difference]: Finished difference Result 182 states and 280 transitions. [2023-11-23 21:12:23,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:12:23,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 162 [2023-11-23 21:12:23,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:12:23,333 INFO L225 Difference]: With dead ends: 182 [2023-11-23 21:12:23,334 INFO L226 Difference]: Without dead ends: 106 [2023-11-23 21:12:23,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:12:23,337 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 37 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 9 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:12:23,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 230 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 22 Invalid, 3 Unknown, 0 Unchecked, 6.7s Time] [2023-11-23 21:12:23,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-11-23 21:12:23,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 103. [2023-11-23 21:12:23,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 72 states have (on average 1.3611111111111112) internal successors, (98), 73 states have internal predecessors, (98), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:12:23,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 154 transitions. [2023-11-23 21:12:23,367 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 154 transitions. Word has length 162 [2023-11-23 21:12:23,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:12:23,369 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 154 transitions. [2023-11-23 21:12:23,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-23 21:12:23,369 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 154 transitions. [2023-11-23 21:12:23,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-23 21:12:23,373 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:23,373 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:12:23,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/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 21:12:23,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:12:23,596 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:23,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:23,597 INFO L85 PathProgramCache]: Analyzing trace with hash -644454303, now seen corresponding path program 1 times [2023-11-23 21:12:23,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:12:23,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [265002537] [2023-11-23 21:12:23,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:23,599 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:12:23,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:12:23,624 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:12:23,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/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 21:12:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:24,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:12:24,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:12:27,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-23 21:12:27,950 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:12:27,950 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:12:27,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [265002537] [2023-11-23 21:12:27,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [265002537] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:12:27,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:12:27,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:12:27,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89317605] [2023-11-23 21:12:27,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:12:27,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:12:27,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:12:27,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:12:27,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:12:27,953 INFO L87 Difference]: Start difference. First operand 103 states and 154 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-23 21:12:30,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:32,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:35,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:37,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:39,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:39,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:12:39,080 INFO L93 Difference]: Finished difference Result 302 states and 454 transitions. [2023-11-23 21:12:39,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:12:39,194 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2023-11-23 21:12:39,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:12:39,200 INFO L225 Difference]: With dead ends: 302 [2023-11-23 21:12:39,200 INFO L226 Difference]: Without dead ends: 200 [2023-11-23 21:12:39,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:12:39,204 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 80 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 53 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:12:39,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 345 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 10 Invalid, 5 Unknown, 0 Unchecked, 11.0s Time] [2023-11-23 21:12:39,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2023-11-23 21:12:39,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 150. [2023-11-23 21:12:39,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 92 states have (on average 1.2934782608695652) internal successors, (119), 93 states have internal predecessors, (119), 54 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-23 21:12:39,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 227 transitions. [2023-11-23 21:12:39,269 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 227 transitions. Word has length 163 [2023-11-23 21:12:39,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:12:39,270 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 227 transitions. [2023-11-23 21:12:39,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-23 21:12:39,271 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 227 transitions. [2023-11-23 21:12:39,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-23 21:12:39,275 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:39,275 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:12:39,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/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)] Ended with exit code 0 [2023-11-23 21:12:39,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:12:39,488 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:39,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:39,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1636244820, now seen corresponding path program 1 times [2023-11-23 21:12:39,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:12:39,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1960785243] [2023-11-23 21:12:39,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:39,490 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:12:39,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:12:39,492 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:12:39,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/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 21:12:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:40,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:12:40,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:12:43,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-23 21:12:43,855 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:12:43,855 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:12:43,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1960785243] [2023-11-23 21:12:43,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1960785243] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:12:43,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:12:43,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:12:43,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524092856] [2023-11-23 21:12:43,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:12:43,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:12:43,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:12:43,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:12:43,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:12:43,861 INFO L87 Difference]: Start difference. First operand 150 states and 227 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-23 21:12:46,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:48,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:50,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:50,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:12:50,477 INFO L93 Difference]: Finished difference Result 354 states and 533 transitions. [2023-11-23 21:12:50,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:12:50,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2023-11-23 21:12:50,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:12:50,488 INFO L225 Difference]: With dead ends: 354 [2023-11-23 21:12:50,488 INFO L226 Difference]: Without dead ends: 252 [2023-11-23 21:12:50,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:12:50,492 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 40 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:12:50,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 227 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 3 Unknown, 0 Unchecked, 6.6s Time] [2023-11-23 21:12:50,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2023-11-23 21:12:50,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 250. [2023-11-23 21:12:50,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 162 states have (on average 1.3024691358024691) internal successors, (211), 164 states have internal predecessors, (211), 82 states have call successors, (82), 5 states have call predecessors, (82), 5 states have return successors, (82), 80 states have call predecessors, (82), 82 states have call successors, (82) [2023-11-23 21:12:50,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 375 transitions. [2023-11-23 21:12:50,565 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 375 transitions. Word has length 164 [2023-11-23 21:12:50,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:12:50,567 INFO L495 AbstractCegarLoop]: Abstraction has 250 states and 375 transitions. [2023-11-23 21:12:50,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-23 21:12:50,567 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 375 transitions. [2023-11-23 21:12:50,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-23 21:12:50,571 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:50,572 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:12:50,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:12:50,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:12:50,795 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:50,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:50,795 INFO L85 PathProgramCache]: Analyzing trace with hash -434822912, now seen corresponding path program 1 times [2023-11-23 21:12:50,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:12:50,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1136209956] [2023-11-23 21:12:50,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:50,796 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:12:50,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:12:50,798 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:12:50,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ed94f4-f06b-459e-a8ee-d1fe1b2eb0c0/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 21:12:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:52,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-23 21:12:52,458 INFO L285 TraceCheckSpWp]: Computing forward predicates...