./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-2.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_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/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_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/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_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/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 6ea896f7bc04be31a5c6c97a4f6cc7d6fac7c26e247bcad19aec81c3c1b0a6a7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:29:58,812 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:29:58,894 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:29:58,900 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:29:58,901 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:29:58,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:29:58,933 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:29:58,934 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:29:58,935 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:29:58,936 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:29:58,937 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:29:58,938 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:29:58,938 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:29:58,939 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:29:58,940 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:29:58,941 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:29:58,942 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:29:58,942 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:29:58,943 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:29:58,944 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:29:58,945 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:29:58,946 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:29:58,947 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:29:58,948 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:29:58,948 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:29:58,949 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:29:58,950 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:29:58,950 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:29:58,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:29:58,951 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:29:58,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:29:58,953 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:29:58,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:29:58,988 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:29:58,989 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:29:58,989 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:29:58,990 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:29:58,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:58,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:29:58,991 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:29:58,992 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:29:58,992 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:29:58,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:29:58,993 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:29:58,993 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:29:58,993 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:29:58,994 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:29:58,994 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_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ea896f7bc04be31a5c6c97a4f6cc7d6fac7c26e247bcad19aec81c3c1b0a6a7 [2023-11-23 21:29:59,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:29:59,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:29:59,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:29:59,412 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:29:59,414 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:29:59,415 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-2.i [2023-11-23 21:30:02,585 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:30:02,997 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:30:03,000 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-2.i [2023-11-23 21:30:03,017 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/data/27a4421c8/2144526624224fd49edee26f7d38e330/FLAG5d30292cb [2023-11-23 21:30:03,040 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/data/27a4421c8/2144526624224fd49edee26f7d38e330 [2023-11-23 21:30:03,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:30:03,054 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:30:03,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:30:03,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:30:03,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:30:03,065 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:03" (1/1) ... [2023-11-23 21:30:03,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58c4840d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:03, skipping insertion in model container [2023-11-23 21:30:03,067 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:03" (1/1) ... [2023-11-23 21:30:03,123 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:30:03,310 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_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-2.i[915,928] [2023-11-23 21:30:03,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:30:03,448 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:30:03,463 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_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-2.i[915,928] [2023-11-23 21:30:03,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:30:03,538 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:30:03,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:03 WrapperNode [2023-11-23 21:30:03,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:30:03,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:30:03,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:30:03,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:30:03,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:03" (1/1) ... [2023-11-23 21:30:03,565 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:03" (1/1) ... [2023-11-23 21:30:03,633 INFO L138 Inliner]: procedures = 26, calls = 49, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 265 [2023-11-23 21:30:03,634 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:30:03,635 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:30:03,635 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:30:03,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:30:03,646 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:03" (1/1) ... [2023-11-23 21:30:03,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:03" (1/1) ... [2023-11-23 21:30:03,652 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:03" (1/1) ... [2023-11-23 21:30:03,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:03" (1/1) ... [2023-11-23 21:30:03,671 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:03" (1/1) ... [2023-11-23 21:30:03,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:03" (1/1) ... [2023-11-23 21:30:03,681 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:03" (1/1) ... [2023-11-23 21:30:03,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:03" (1/1) ... [2023-11-23 21:30:03,692 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:30:03,693 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:30:03,694 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:30:03,694 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:30:03,700 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:03" (1/1) ... [2023-11-23 21:30:03,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:03,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:30:03,751 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:30:03,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:30:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:30:03,804 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:30:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:30:03,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:30:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:30:03,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:30:04,001 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:30:04,004 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:30:04,681 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:30:05,259 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:30:05,260 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:30:05,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:05 BoogieIcfgContainer [2023-11-23 21:30:05,262 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:30:05,266 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:30:05,267 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:30:05,271 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:30:05,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:30:03" (1/3) ... [2023-11-23 21:30:05,274 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73302c9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:30:05, skipping insertion in model container [2023-11-23 21:30:05,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:03" (2/3) ... [2023-11-23 21:30:05,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73302c9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:30:05, skipping insertion in model container [2023-11-23 21:30:05,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:05" (3/3) ... [2023-11-23 21:30:05,278 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-2.i [2023-11-23 21:30:05,304 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:30:05,305 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:30:05,385 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:30:05,395 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;@b9234ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:30:05,397 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:30:05,402 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 27 states have internal predecessors, (29), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-23 21:30:05,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-23 21:30:05,425 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:05,427 INFO L195 NwaCegarLoop]: trace histogram [36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:30:05,428 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:05,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:05,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1279608629, now seen corresponding path program 1 times [2023-11-23 21:30:05,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:30:05,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008701566] [2023-11-23 21:30:05,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:05,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:30:05,783 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:30:05,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1887012553] [2023-11-23 21:30:05,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:05,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:30:05,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:30:05,790 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:30:05,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:30:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:30:06,202 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:30:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:30:06,660 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:30:06,662 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:30:06,664 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:30:06,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-23 21:30:06,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:30:06,877 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:30:06,881 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:30:07,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:30:07 BoogieIcfgContainer [2023-11-23 21:30:07,063 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:30:07,064 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:30:07,064 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:30:07,064 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:30:07,065 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:05" (3/4) ... [2023-11-23 21:30:07,072 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:30:07,073 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:30:07,075 INFO L158 Benchmark]: Toolchain (without parser) took 4020.47ms. Allocated memory was 167.8MB in the beginning and 241.2MB in the end (delta: 73.4MB). Free memory was 132.9MB in the beginning and 185.6MB in the end (delta: -52.7MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2023-11-23 21:30:07,075 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 167.8MB. Free memory is still 136.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:30:07,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.04ms. Allocated memory is still 167.8MB. Free memory was 132.7MB in the beginning and 115.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:30:07,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.77ms. Allocated memory is still 167.8MB. Free memory was 115.9MB in the beginning and 111.2MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:30:07,077 INFO L158 Benchmark]: Boogie Preprocessor took 57.66ms. Allocated memory is still 167.8MB. Free memory was 111.2MB in the beginning and 108.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:30:07,078 INFO L158 Benchmark]: RCFGBuilder took 1569.45ms. Allocated memory was 167.8MB in the beginning and 241.2MB in the end (delta: 73.4MB). Free memory was 108.5MB in the beginning and 165.9MB in the end (delta: -57.4MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. [2023-11-23 21:30:07,078 INFO L158 Benchmark]: TraceAbstraction took 1797.30ms. Allocated memory is still 241.2MB. Free memory was 164.9MB in the beginning and 185.6MB in the end (delta: -20.8MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-23 21:30:07,079 INFO L158 Benchmark]: Witness Printer took 9.91ms. Allocated memory is still 241.2MB. Free memory is still 185.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:30:07,094 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 167.8MB. Free memory is still 136.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.04ms. Allocated memory is still 167.8MB. Free memory was 132.7MB in the beginning and 115.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.77ms. Allocated memory is still 167.8MB. Free memory was 115.9MB in the beginning and 111.2MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.66ms. Allocated memory is still 167.8MB. Free memory was 111.2MB in the beginning and 108.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1569.45ms. Allocated memory was 167.8MB in the beginning and 241.2MB in the end (delta: 73.4MB). Free memory was 108.5MB in the beginning and 165.9MB in the end (delta: -57.4MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1797.30ms. Allocated memory is still 241.2MB. Free memory was 164.9MB in the beginning and 185.6MB in the end (delta: -20.8MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 9.91ms. Allocated memory is still 241.2MB. Free memory is still 185.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of bitwiseOr at line 133, overapproximation of someUnaryDOUBLEoperation at line 22, overapproximation of someBinaryArithmeticDOUBLEoperation at line 93, overapproximation of someBinaryDOUBLEComparisonOperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = -0.5; [L23] unsigned char var_1_2 = 1; [L24] double var_1_3 = 64.84; [L25] double var_1_4 = 2.2; [L26] double var_1_5 = 31.875; [L27] unsigned char var_1_6 = 0; [L28] unsigned char var_1_7 = 0; [L29] signed char var_1_8 = -10; [L30] signed char var_1_10 = 2; [L31] signed char var_1_11 = 32; [L32] float var_1_12 = 2.5; [L33] signed short int var_1_13 = -64; [L34] signed short int var_1_14 = 8; [L35] float var_1_15 = 7.5; [L36] double var_1_16 = 2.85; [L37] signed char var_1_18 = 64; [L38] signed char var_1_20 = 1; [L39] unsigned char var_1_21 = 5; [L40] unsigned char var_1_22 = 10; [L41] unsigned char var_1_23 = 64; [L42] unsigned char var_1_24 = 2; [L43] float var_1_25 = 63.4; [L44] signed char var_1_26 = 4; [L45] signed char var_1_27 = 32; [L46] unsigned short int var_1_28 = 10; [L47] signed char var_1_29 = -1; [L48] signed char var_1_30 = -4; [L49] signed char var_1_31 = 2; [L50] signed char var_1_32 = -25; [L51] signed char var_1_33 = 1; [L52] signed char var_1_34 = 0; [L53] unsigned long int var_1_35 = 8; [L54] float var_1_36 = 127.7; [L55] float var_1_37 = 0.2; [L56] signed char last_1_var_1_18 = 64; [L57] unsigned char last_1_var_1_21 = 5; [L207] isInitial = 1 [L208] FCALL initially() [L209] int k_loop; [L210] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_3=1621/25, var_1_4=11/5, var_1_5=255/8, var_1_6=0, var_1_7=0, var_1_8=-10] [L210] COND TRUE k_loop < 1 [L211] CALL updateLastVariables() [L199] last_1_var_1_18 = var_1_18 [L200] last_1_var_1_21 = var_1_21 [L211] RET updateLastVariables() [L212] CALL updateVariables() [L141] var_1_2 = __VERIFIER_nondet_uchar() [L142] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_3=1621/25, var_1_4=11/5, var_1_5=255/8, var_1_6=0, var_1_7=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_3=1621/25, var_1_4=11/5, var_1_5=255/8, var_1_6=0, var_1_7=0, var_1_8=-10] [L143] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_3=1621/25, var_1_4=11/5, var_1_5=255/8, var_1_6=0, var_1_7=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_3=1621/25, var_1_4=11/5, var_1_5=255/8, var_1_6=0, var_1_7=0, var_1_8=-10] [L144] var_1_3 = __VERIFIER_nondet_double() [L145] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_4=11/5, var_1_5=255/8, var_1_6=0, var_1_7=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_4=11/5, var_1_5=255/8, var_1_6=0, var_1_7=0, var_1_8=-10] [L146] var_1_4 = __VERIFIER_nondet_double() [L147] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_5=255/8, var_1_6=0, var_1_7=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_5=255/8, var_1_6=0, var_1_7=0, var_1_8=-10] [L148] var_1_5 = __VERIFIER_nondet_double() [L149] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=0, var_1_8=-10] [L150] var_1_6 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_7=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_7=0, var_1_8=-10] [L152] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=0, var_1_8=-10] [L153] var_1_7 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_8=-10] [L155] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L156] var_1_10 = __VERIFIER_nondet_char() [L157] CALL assume_abort_if_not(var_1_10 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_10 >= -1) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L158] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L159] var_1_11 = __VERIFIER_nondet_char() [L160] CALL assume_abort_if_not(var_1_11 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_11 >= -63) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L161] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L162] var_1_15 = __VERIFIER_nondet_float() [L163] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L164] CALL assume_abort_if_not(var_1_15 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_15 != 0.0F) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L165] var_1_16 = __VERIFIER_nondet_double() [L166] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L167] var_1_20 = __VERIFIER_nondet_char() [L168] CALL assume_abort_if_not(var_1_20 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_20 >= -63) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L169] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L170] var_1_22 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L172] CALL assume_abort_if_not(var_1_22 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_22 <= 127) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L173] var_1_23 = __VERIFIER_nondet_uchar() [L174] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L175] CALL assume_abort_if_not(var_1_23 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_23 <= 127) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L176] var_1_24 = __VERIFIER_nondet_uchar() [L177] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L178] CALL assume_abort_if_not(var_1_24 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_24 <= 254) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L179] var_1_27 = __VERIFIER_nondet_char() [L180] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L181] CALL assume_abort_if_not(var_1_27 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_27 <= 63) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L182] var_1_30 = __VERIFIER_nondet_char() [L183] CALL assume_abort_if_not(var_1_30 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=32, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_30 >= -31) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=32, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L184] CALL assume_abort_if_not(var_1_30 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=32, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_30 <= 32) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=32, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L185] var_1_31 = __VERIFIER_nondet_char() [L186] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=32, var_1_31=0, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=32, var_1_31=0, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L187] CALL assume_abort_if_not(var_1_31 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=32, var_1_31=0, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_31 <= 31) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=32, var_1_31=0, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L188] var_1_32 = __VERIFIER_nondet_char() [L189] CALL assume_abort_if_not(var_1_32 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=32, var_1_31=0, var_1_32=32, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_32 >= -31) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=32, var_1_31=0, var_1_32=32, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L190] CALL assume_abort_if_not(var_1_32 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=32, var_1_31=0, var_1_32=32, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_32 <= 32) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=32, var_1_31=0, var_1_32=32, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L191] var_1_33 = __VERIFIER_nondet_char() [L192] CALL assume_abort_if_not(var_1_33 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=32, var_1_31=0, var_1_32=32, var_1_33=31, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_33 >= -31) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=32, var_1_31=0, var_1_32=32, var_1_33=31, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L193] CALL assume_abort_if_not(var_1_33 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=32, var_1_31=0, var_1_32=32, var_1_33=31, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not(var_1_33 <= 31) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=32, var_1_31=0, var_1_32=32, var_1_33=31, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L194] var_1_34 = __VERIFIER_nondet_char() [L195] CALL assume_abort_if_not(var_1_34 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=32, var_1_31=0, var_1_32=32, var_1_33=31, var_1_34=-1, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L195] RET assume_abort_if_not(var_1_34 >= -31) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=32, var_1_31=0, var_1_32=32, var_1_33=31, var_1_34=-1, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L196] CALL assume_abort_if_not(var_1_34 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=32, var_1_31=0, var_1_32=32, var_1_33=31, var_1_34=-1, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L196] RET assume_abort_if_not(var_1_34 <= 31) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=32, var_1_31=0, var_1_32=32, var_1_33=31, var_1_34=-1, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=1, var_1_7=1, var_1_8=-10] [L212] RET updateVariables() [L213] CALL step() [L61] COND TRUE (var_1_3 / var_1_15) >= (var_1_4 - var_1_16) [L62] var_1_14 = var_1_11 [L66] signed short int stepLocal_7 = var_1_14; [L67] signed char stepLocal_6 = var_1_27; [L68] unsigned char stepLocal_5 = var_1_23; [L69] signed char stepLocal_4 = var_1_11; [L70] COND FALSE !(stepLocal_4 >= (var_1_27 - var_1_23)) [L81] COND FALSE !(! (var_1_24 <= var_1_27)) [L84] COND FALSE !(var_1_27 < stepLocal_5) [L87] var_1_29 = (var_1_34 + var_1_27) [L91] unsigned char stepLocal_0 = var_1_7; [L92] COND TRUE \read(var_1_2) [L93] var_1_1 = (((((var_1_3 - var_1_4)) < (var_1_5)) ? ((var_1_3 - var_1_4)) : (var_1_5))) [L99] COND TRUE \read(var_1_7) [L100] var_1_12 = var_1_5 [L102] signed char stepLocal_2 = var_1_10; [L103] COND FALSE !(stepLocal_2 <= last_1_var_1_21) [L106] var_1_21 = 128 [L108] var_1_25 = (((((9.999999999999975E13f) > (var_1_4)) ? (9.999999999999975E13f) : (var_1_4))) - var_1_3) [L109] COND TRUE (- 4.75) < (- var_1_15) [L110] var_1_26 = ((((var_1_11) > ((var_1_10 - 16))) ? (var_1_11) : ((var_1_10 - 16)))) [L114] var_1_36 = var_1_3 [L115] var_1_37 = var_1_4 [L116] unsigned char stepLocal_1 = var_1_36 >= var_1_36; [L117] COND TRUE stepLocal_1 || var_1_2 [L118] COND TRUE \read(var_1_7) [L119] var_1_8 = (var_1_10 - ((((25) < 0 ) ? -(25) : (25)))) [L124] var_1_13 = ((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))) [L125] unsigned char stepLocal_3 = var_1_21; [L126] COND TRUE var_1_29 <= stepLocal_3 [L127] COND TRUE (var_1_1 + var_1_1) != var_1_36 [L128] var_1_28 = ((var_1_23 + var_1_27) + (((((var_1_24) < 0 ) ? -(var_1_24) : (var_1_24))) + var_1_26)) [L133] EXPR var_1_28 ^ ((((var_1_26) > (var_1_8)) ? (var_1_26) : (var_1_8))) [L133] COND FALSE !((var_1_28 ^ ((((var_1_26) > (var_1_8)) ? (var_1_26) : (var_1_8)))) > var_1_10) [L136] var_1_18 = var_1_11 [L138] var_1_35 = var_1_18 [L213] RET step() [L214] CALL, EXPR property() [L203] EXPR (((((var_1_2 ? (var_1_1 == ((double) (((((var_1_3 - var_1_4)) < (var_1_5)) ? ((var_1_3 - var_1_4)) : (var_1_5))))) : ((var_1_6 && var_1_7) ? (var_1_1 == ((double) var_1_4)) : 1)) && (((var_1_36 >= var_1_36) || var_1_2) ? (var_1_7 ? (var_1_8 == ((signed char) (var_1_10 - ((((25) < 0 ) ? -(25) : (25)))))) : 1) : (var_1_8 == ((signed char) (-2 + var_1_11))))) && (var_1_7 ? (var_1_12 == ((float) var_1_5)) : 1)) && (var_1_13 == ((signed short int) ((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26)))))) && (((var_1_3 / var_1_15) >= (var_1_4 - var_1_16)) ? (var_1_14 == ((signed short int) var_1_11)) : (var_1_14 == ((signed short int) ((((((((var_1_11) < ((var_1_10 + last_1_var_1_18))) ? (var_1_11) : ((var_1_10 + last_1_var_1_18))))) > (last_1_var_1_21)) ? (((((var_1_11) < ((var_1_10 + last_1_var_1_18))) ? (var_1_11) : ((var_1_10 + last_1_var_1_18))))) : (last_1_var_1_21))))))) && (((var_1_28 ^ ((((var_1_26) > (var_1_8)) ? (var_1_26) : (var_1_8)))) > var_1_10) ? (var_1_18 == ((signed char) (var_1_11 + var_1_20))) : (var_1_18 == ((signed char) var_1_11))) [L203-L204] return (((((((((((((var_1_2 ? (var_1_1 == ((double) (((((var_1_3 - var_1_4)) < (var_1_5)) ? ((var_1_3 - var_1_4)) : (var_1_5))))) : ((var_1_6 && var_1_7) ? (var_1_1 == ((double) var_1_4)) : 1)) && (((var_1_36 >= var_1_36) || var_1_2) ? (var_1_7 ? (var_1_8 == ((signed char) (var_1_10 - ((((25) < 0 ) ? -(25) : (25)))))) : 1) : (var_1_8 == ((signed char) (-2 + var_1_11))))) && (var_1_7 ? (var_1_12 == ((float) var_1_5)) : 1)) && (var_1_13 == ((signed short int) ((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26)))))) && (((var_1_3 / var_1_15) >= (var_1_4 - var_1_16)) ? (var_1_14 == ((signed short int) var_1_11)) : (var_1_14 == ((signed short int) ((((((((var_1_11) < ((var_1_10 + last_1_var_1_18))) ? (var_1_11) : ((var_1_10 + last_1_var_1_18))))) > (last_1_var_1_21)) ? (((((var_1_11) < ((var_1_10 + last_1_var_1_18))) ? (var_1_11) : ((var_1_10 + last_1_var_1_18))))) : (last_1_var_1_21))))))) && (((var_1_28 ^ ((((var_1_26) > (var_1_8)) ? (var_1_26) : (var_1_8)))) > var_1_10) ? (var_1_18 == ((signed char) (var_1_11 + var_1_20))) : (var_1_18 == ((signed char) var_1_11)))) && ((var_1_10 <= last_1_var_1_21) ? (var_1_21 == ((unsigned char) (((((var_1_22 + var_1_23)) < (var_1_24)) ? ((var_1_22 + var_1_23)) : (var_1_24))))) : (var_1_21 == ((unsigned char) 128)))) && (var_1_25 == ((float) (((((9.999999999999975E13f) > (var_1_4)) ? (9.999999999999975E13f) : (var_1_4))) - var_1_3)))) && (((- 4.75) < (- var_1_15)) ? (var_1_26 == ((signed char) ((((var_1_11) > ((var_1_10 - 16))) ? (var_1_11) : ((var_1_10 - 16)))))) : (var_1_26 == ((signed char) (var_1_10 - (5 + var_1_27)))))) && ((var_1_29 <= var_1_21) ? (((var_1_1 + var_1_1) != var_1_36) ? (var_1_28 == ((unsigned short int) ((var_1_23 + var_1_27) + (((((var_1_24) < 0 ) ? -(var_1_24) : (var_1_24))) + var_1_26)))) : 1) : (var_1_28 == ((unsigned short int) var_1_27)))) && ((var_1_11 >= (var_1_27 - var_1_23)) ? ((var_1_20 <= var_1_27) ? ((! (var_1_15 > 3.8f)) ? (var_1_29 == ((signed char) ((((var_1_10) > (((((var_1_11) < (var_1_27)) ? (var_1_11) : (var_1_27))))) ? (var_1_10) : (((((var_1_11) < (var_1_27)) ? (var_1_11) : (var_1_27)))))))) : 1) : ((((((var_1_23) < ((var_1_24 * var_1_14))) ? (var_1_23) : ((var_1_24 * var_1_14)))) <= var_1_14) ? (var_1_29 == ((signed char) ((var_1_30 + (1 - var_1_31)) + (var_1_32 + ((((var_1_33) < (var_1_34)) ? (var_1_33) : (var_1_34))))))) : 1)) : ((! (var_1_24 <= var_1_27)) ? (var_1_29 == ((signed char) var_1_20)) : ((var_1_27 < var_1_23) ? (var_1_29 == ((signed char) (var_1_27 - var_1_31))) : (var_1_29 == ((signed char) (var_1_34 + var_1_27))))))) && (var_1_35 == ((unsigned long int) var_1_18))) && (var_1_36 == ((float) var_1_3))) && (var_1_37 == ((float) var_1_4)) ; [L214] RET, EXPR property() [L214] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5, var_1_13=10, var_1_14=-63, var_1_18=-63, var_1_1=2, var_1_20=63, var_1_21=128, var_1_22=0, var_1_23=0, var_1_24=0, var_1_26=-10, var_1_27=0, var_1_28=65526, var_1_29=-1, var_1_2=1, var_1_30=32, var_1_31=0, var_1_32=32, var_1_33=31, var_1_34=-1, var_1_35=4294967233, var_1_36=4, var_1_37=3, var_1_3=4, var_1_4=3, var_1_5=5, var_1_6=1, var_1_7=1, var_1_8=-19] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=6, var_1_11=-63, var_1_12=5, var_1_13=10, var_1_14=-63, var_1_18=-63, var_1_1=2, var_1_20=63, var_1_21=128, var_1_22=0, var_1_23=0, var_1_24=0, var_1_26=-10, var_1_27=0, var_1_28=65526, var_1_29=-1, var_1_2=1, var_1_30=32, var_1_31=0, var_1_32=32, var_1_33=31, var_1_34=-1, var_1_35=4294967233, var_1_36=4, var_1_37=3, var_1_3=4, var_1_4=3, var_1_5=5, var_1_6=1, var_1_7=1, var_1_8=-19] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 36, 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=65occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 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 21:30:07,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/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_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/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_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/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_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/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 6ea896f7bc04be31a5c6c97a4f6cc7d6fac7c26e247bcad19aec81c3c1b0a6a7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:30:10,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:30:10,155 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:30:10,163 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:30:10,163 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:30:10,210 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:30:10,211 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:30:10,212 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:30:10,213 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:30:10,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:30:10,218 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:30:10,219 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:30:10,219 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:30:10,221 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:30:10,222 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:30:10,222 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:30:10,223 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:30:10,224 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:30:10,224 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:30:10,225 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:30:10,225 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:30:10,226 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:30:10,226 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:30:10,227 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:30:10,227 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:30:10,228 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:30:10,228 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:30:10,228 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:30:10,229 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:30:10,229 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:30:10,231 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:30:10,231 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:30:10,231 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:30:10,231 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:30:10,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:10,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:30:10,232 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:30:10,232 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:30:10,233 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:30:10,234 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:30:10,234 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:30:10,234 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:30:10,234 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:30:10,234 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:30:10,235 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_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ea896f7bc04be31a5c6c97a4f6cc7d6fac7c26e247bcad19aec81c3c1b0a6a7 [2023-11-23 21:30:10,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:30:10,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:30:10,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:30:10,745 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:30:10,746 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:30:10,747 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-2.i [2023-11-23 21:30:14,032 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:30:14,380 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:30:14,384 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-2.i [2023-11-23 21:30:14,401 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/data/27284b93c/012cbe89963a48469aa21237df98469c/FLAG093bbfbe6 [2023-11-23 21:30:14,421 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/data/27284b93c/012cbe89963a48469aa21237df98469c [2023-11-23 21:30:14,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:30:14,429 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:30:14,433 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:30:14,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:30:14,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:30:14,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:14" (1/1) ... [2023-11-23 21:30:14,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5149654f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:14, skipping insertion in model container [2023-11-23 21:30:14,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:14" (1/1) ... [2023-11-23 21:30:14,499 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:30:14,687 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_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-2.i[915,928] [2023-11-23 21:30:14,873 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:30:14,906 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:30:14,923 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_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-2.i[915,928] [2023-11-23 21:30:15,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:30:15,042 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:30:15,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:15 WrapperNode [2023-11-23 21:30:15,043 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:30:15,045 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:30:15,046 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:30:15,047 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:30:15,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:15" (1/1) ... [2023-11-23 21:30:15,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:15" (1/1) ... [2023-11-23 21:30:15,122 INFO L138 Inliner]: procedures = 27, calls = 49, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 223 [2023-11-23 21:30:15,122 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:30:15,123 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:30:15,123 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:30:15,124 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:30:15,134 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:15" (1/1) ... [2023-11-23 21:30:15,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:15" (1/1) ... [2023-11-23 21:30:15,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:15" (1/1) ... [2023-11-23 21:30:15,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:15" (1/1) ... [2023-11-23 21:30:15,166 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:15" (1/1) ... [2023-11-23 21:30:15,173 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:15" (1/1) ... [2023-11-23 21:30:15,186 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:15" (1/1) ... [2023-11-23 21:30:15,189 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:15" (1/1) ... [2023-11-23 21:30:15,195 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:30:15,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:30:15,197 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:30:15,197 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:30:15,198 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:15" (1/1) ... [2023-11-23 21:30:15,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:15,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:30:15,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:30:15,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:30:15,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:30:15,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:30:15,286 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:30:15,287 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:30:15,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:30:15,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:30:15,448 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:30:15,451 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:30:25,101 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:30:25,195 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:30:25,195 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:30:25,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:25 BoogieIcfgContainer [2023-11-23 21:30:25,196 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:30:25,199 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:30:25,199 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:30:25,202 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:30:25,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:30:14" (1/3) ... [2023-11-23 21:30:25,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e182141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:30:25, skipping insertion in model container [2023-11-23 21:30:25,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:15" (2/3) ... [2023-11-23 21:30:25,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e182141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:30:25, skipping insertion in model container [2023-11-23 21:30:25,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:25" (3/3) ... [2023-11-23 21:30:25,205 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-2.i [2023-11-23 21:30:25,224 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:30:25,224 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:30:25,276 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:30:25,282 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;@46bbefd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:30:25,283 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:30:25,288 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 54 states have internal predecessors, (75), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-23 21:30:25,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-11-23 21:30:25,306 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:25,307 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:30:25,308 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:25,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:25,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1876120938, now seen corresponding path program 1 times [2023-11-23 21:30:25,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:30:25,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1440313038] [2023-11-23 21:30:25,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:25,330 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 21:30:25,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:30:25,333 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/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 21:30:25,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/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 21:30:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:26,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:30:26,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:30:27,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 1006 proven. 0 refuted. 0 times theorem prover too weak. 1514 trivial. 0 not checked. [2023-11-23 21:30:27,073 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:30:27,074 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:30:27,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1440313038] [2023-11-23 21:30:27,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1440313038] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:30:27,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:30:27,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:30:27,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003801195] [2023-11-23 21:30:27,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:30:27,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:30:27,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:30:27,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:30:27,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:30:27,135 INFO L87 Difference]: Start difference. First operand has 92 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 54 states have internal predecessors, (75), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-23 21:30:29,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:30:29,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:30:29,839 INFO L93 Difference]: Finished difference Result 183 states and 329 transitions. [2023-11-23 21:30:29,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:30:29,842 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 221 [2023-11-23 21:30:29,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:30:29,852 INFO L225 Difference]: With dead ends: 183 [2023-11-23 21:30:29,853 INFO L226 Difference]: Without dead ends: 90 [2023-11-23 21:30:29,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 220 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 21:30:29,862 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:30:29,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2023-11-23 21:30:29,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-11-23 21:30:29,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2023-11-23 21:30:29,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 52 states have internal predecessors, (70), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-23 21:30:29,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 142 transitions. [2023-11-23 21:30:29,932 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 142 transitions. Word has length 221 [2023-11-23 21:30:29,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:30:29,933 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 142 transitions. [2023-11-23 21:30:29,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-23 21:30:29,934 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 142 transitions. [2023-11-23 21:30:29,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-11-23 21:30:29,947 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:29,948 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:30:29,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:30:30,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/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 21:30:30,174 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:30,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:30,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1658745254, now seen corresponding path program 1 times [2023-11-23 21:30:30,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:30:30,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1155089302] [2023-11-23 21:30:30,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:30,177 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 21:30:30,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:30:30,179 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/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 21:30:30,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/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 21:30:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:31,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:30:31,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:30:32,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2023-11-23 21:30:32,271 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:30:32,272 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:30:32,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1155089302] [2023-11-23 21:30:32,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1155089302] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:30:32,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:30:32,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:30:32,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428366178] [2023-11-23 21:30:32,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:30:32,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:30:32,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:30:32,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:30:32,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:30:32,279 INFO L87 Difference]: Start difference. First operand 90 states and 142 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-23 21:30:34,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:30:36,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:30:38,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:30:39,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:30:39,066 INFO L93 Difference]: Finished difference Result 197 states and 309 transitions. [2023-11-23 21:30:39,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:30:39,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 221 [2023-11-23 21:30:39,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:30:39,072 INFO L225 Difference]: With dead ends: 197 [2023-11-23 21:30:39,073 INFO L226 Difference]: Without dead ends: 108 [2023-11-23 21:30:39,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:30:39,077 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 18 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:30:39,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 269 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 3 Unknown, 0 Unchecked, 6.7s Time] [2023-11-23 21:30:39,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-11-23 21:30:39,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 97. [2023-11-23 21:30:39,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 59 states have (on average 1.3559322033898304) internal successors, (80), 59 states have internal predecessors, (80), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-23 21:30:39,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 152 transitions. [2023-11-23 21:30:39,100 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 152 transitions. Word has length 221 [2023-11-23 21:30:39,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:30:39,103 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 152 transitions. [2023-11-23 21:30:39,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-23 21:30:39,104 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 152 transitions. [2023-11-23 21:30:39,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-11-23 21:30:39,109 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:39,110 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:30:39,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/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 21:30:39,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/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 21:30:39,326 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:39,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:39,326 INFO L85 PathProgramCache]: Analyzing trace with hash 879411542, now seen corresponding path program 1 times [2023-11-23 21:30:39,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:30:39,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1688834259] [2023-11-23 21:30:39,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:39,328 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 21:30:39,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:30:39,329 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/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 21:30:39,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/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 21:30:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:41,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:30:41,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:30:41,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2023-11-23 21:30:41,264 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:30:41,264 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:30:41,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1688834259] [2023-11-23 21:30:41,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1688834259] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:30:41,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:30:41,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:30:41,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690166997] [2023-11-23 21:30:41,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:30:41,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:30:41,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:30:41,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:30:41,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:30:41,270 INFO L87 Difference]: Start difference. First operand 97 states and 152 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-23 21:30:44,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:30:46,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:30:48,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:30:48,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:30:48,293 INFO L93 Difference]: Finished difference Result 232 states and 357 transitions. [2023-11-23 21:30:48,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:30:48,297 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 222 [2023-11-23 21:30:48,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:30:48,301 INFO L225 Difference]: With dead ends: 232 [2023-11-23 21:30:48,302 INFO L226 Difference]: Without dead ends: 136 [2023-11-23 21:30:48,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:30:48,305 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 38 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:30:48,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 267 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 3 Unknown, 0 Unchecked, 7.0s Time] [2023-11-23 21:30:48,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-11-23 21:30:48,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 133. [2023-11-23 21:30:48,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 87 states have (on average 1.3448275862068966) internal successors, (117), 88 states have internal predecessors, (117), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-23 21:30:48,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 203 transitions. [2023-11-23 21:30:48,334 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 203 transitions. Word has length 222 [2023-11-23 21:30:48,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:30:48,336 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 203 transitions. [2023-11-23 21:30:48,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-23 21:30:48,336 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 203 transitions. [2023-11-23 21:30:48,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-11-23 21:30:48,341 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:48,342 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:30:48,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:30:48,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/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 21:30:48,557 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:48,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:48,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1640548392, now seen corresponding path program 1 times [2023-11-23 21:30:48,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:30:48,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1792762315] [2023-11-23 21:30:48,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:48,559 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 21:30:48,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:30:48,560 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/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 21:30:48,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe317ac-677d-4d54-a5f0-acf3bdab6f98/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 21:30:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:50,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-23 21:30:50,609 INFO L285 TraceCheckSpWp]: Computing forward predicates...