./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-78.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/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_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-78.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/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_0ea59a2d-deec-4602-88f0-93ad8f7f972d/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 389c0a502a3185807f3b8690c73a08390109bda5b59f3ae6d40c34b48d123843 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:32:50,848 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:32:50,961 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:32:50,967 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:32:50,967 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:32:50,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:32:50,992 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:32:50,992 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:32:50,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:32:50,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:32:50,994 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:32:50,995 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:32:50,995 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:32:50,996 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:32:50,996 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:32:50,997 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:32:50,998 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:32:50,998 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:32:50,999 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:32:50,999 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:32:51,000 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:32:51,001 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:32:51,002 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:32:51,002 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:32:51,003 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:32:51,004 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:32:51,004 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:32:51,005 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:32:51,005 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:32:51,006 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:32:51,006 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:32:51,007 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:32:51,007 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:32:51,008 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:32:51,008 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:32:51,009 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:32:51,009 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:32:51,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:51,010 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:32:51,010 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:32:51,010 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:32:51,011 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:32:51,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:32:51,011 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:32:51,012 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:32:51,012 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:32:51,012 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:32:51,012 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_0ea59a2d-deec-4602-88f0-93ad8f7f972d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 389c0a502a3185807f3b8690c73a08390109bda5b59f3ae6d40c34b48d123843 [2023-11-23 20:32:51,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:32:51,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:32:51,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:32:51,354 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:32:51,355 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:32:51,356 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-78.i [2023-11-23 20:32:54,513 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:32:54,805 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:32:54,805 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-78.i [2023-11-23 20:32:54,817 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/data/451f7d253/4af5101a962b4991a35d48cffd0ed940/FLAG47c478a6a [2023-11-23 20:32:54,836 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/data/451f7d253/4af5101a962b4991a35d48cffd0ed940 [2023-11-23 20:32:54,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:32:54,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:32:54,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:54,842 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:32:54,852 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:32:54,853 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:54" (1/1) ... [2023-11-23 20:32:54,854 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a8ef48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:54, skipping insertion in model container [2023-11-23 20:32:54,854 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:54" (1/1) ... [2023-11-23 20:32:54,899 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:32:55,124 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_0ea59a2d-deec-4602-88f0-93ad8f7f972d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-78.i[916,929] [2023-11-23 20:32:55,229 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:55,246 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:32:55,261 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_0ea59a2d-deec-4602-88f0-93ad8f7f972d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-78.i[916,929] [2023-11-23 20:32:55,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:55,368 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:32:55,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55 WrapperNode [2023-11-23 20:32:55,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:55,371 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:55,371 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:32:55,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:32:55,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,395 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,474 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 250 [2023-11-23 20:32:55,474 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:55,475 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:32:55,475 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:32:55,475 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:32:55,486 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,493 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,494 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,521 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,536 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,541 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,552 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,563 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:32:55,566 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:32:55,566 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:32:55,566 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:32:55,567 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:55,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:32:55,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:32:55,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:32:55,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:32:55,675 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:32:55,675 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:32:55,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:32:55,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:32:55,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:32:55,836 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:32:55,839 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:32:56,567 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:32:57,219 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:32:57,219 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:32:57,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:57 BoogieIcfgContainer [2023-11-23 20:32:57,222 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:32:57,228 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:32:57,228 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:32:57,233 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:32:57,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:32:54" (1/3) ... [2023-11-23 20:32:57,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f62449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:57, skipping insertion in model container [2023-11-23 20:32:57,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (2/3) ... [2023-11-23 20:32:57,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f62449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:57, skipping insertion in model container [2023-11-23 20:32:57,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:57" (3/3) ... [2023-11-23 20:32:57,239 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-78.i [2023-11-23 20:32:57,263 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:32:57,264 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:32:57,346 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:32:57,355 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;@59cf54ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:32:57,357 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:32:57,363 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 27 states have internal predecessors, (29), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-23 20:32:57,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-23 20:32:57,383 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:57,385 INFO L195 NwaCegarLoop]: trace histogram [33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:57,385 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:57,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:57,397 INFO L85 PathProgramCache]: Analyzing trace with hash -75342702, now seen corresponding path program 1 times [2023-11-23 20:32:57,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:32:57,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053460699] [2023-11-23 20:32:57,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:57,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:32:57,858 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:32:57,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1384357325] [2023-11-23 20:32:57,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:57,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:32:57,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:32:57,869 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:32:57,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 20:32:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:32:58,349 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:32:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:32:58,700 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:32:58,703 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:32:58,704 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:32:58,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-23 20:32:58,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 20:32:58,922 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:32:58,928 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:32:59,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:32:59 BoogieIcfgContainer [2023-11-23 20:32:59,149 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:32:59,149 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:32:59,149 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:32:59,150 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:32:59,150 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:57" (3/4) ... [2023-11-23 20:32:59,153 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:32:59,154 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:32:59,156 INFO L158 Benchmark]: Toolchain (without parser) took 4314.70ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 99.5MB in the beginning and 131.5MB in the end (delta: -32.0MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2023-11-23 20:32:59,156 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 104.9MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:32:59,157 INFO L158 Benchmark]: CACSL2BoogieTranslator took 527.99ms. Allocated memory is still 146.8MB. Free memory was 99.1MB in the beginning and 82.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:32:59,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.06ms. Allocated memory is still 146.8MB. Free memory was 82.8MB in the beginning and 78.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:32:59,165 INFO L158 Benchmark]: Boogie Preprocessor took 88.76ms. Allocated memory is still 146.8MB. Free memory was 78.6MB in the beginning and 76.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:32:59,167 INFO L158 Benchmark]: RCFGBuilder took 1656.40ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 76.1MB in the beginning and 117.1MB in the end (delta: -41.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-23 20:32:59,169 INFO L158 Benchmark]: TraceAbstraction took 1920.97ms. Allocated memory is still 211.8MB. Free memory was 117.1MB in the beginning and 132.5MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:32:59,169 INFO L158 Benchmark]: Witness Printer took 4.73ms. Allocated memory is still 211.8MB. Free memory was 132.5MB in the beginning and 131.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:32:59,178 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 104.9MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 527.99ms. Allocated memory is still 146.8MB. Free memory was 99.1MB in the beginning and 82.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.06ms. Allocated memory is still 146.8MB. Free memory was 82.8MB in the beginning and 78.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.76ms. Allocated memory is still 146.8MB. Free memory was 78.6MB in the beginning and 76.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1656.40ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 76.1MB in the beginning and 117.1MB in the end (delta: -41.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1920.97ms. Allocated memory is still 211.8MB. Free memory was 117.1MB in the beginning and 132.5MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.73ms. Allocated memory is still 211.8MB. Free memory was 132.5MB in the beginning and 131.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 66, overapproximation of someBinaryArithmeticDOUBLEoperation at line 71, overapproximation of bitwiseAnd at line 107. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 100; [L23] unsigned short int var_1_3 = 63223; [L24] unsigned short int var_1_4 = 63229; [L25] double var_1_6 = 0.5; [L26] double var_1_8 = 9.2; [L27] double var_1_9 = 0.875; [L28] double var_1_10 = 127.5; [L29] double var_1_11 = 100000000000000.5; [L30] double var_1_12 = 64.5; [L31] unsigned long int var_1_13 = 16; [L32] signed char var_1_14 = -128; [L33] signed char var_1_15 = 8; [L34] signed char var_1_16 = 0; [L35] signed char var_1_17 = 100; [L36] signed char var_1_18 = 16; [L37] signed char var_1_19 = 50; [L38] signed char var_1_20 = 0; [L39] signed char var_1_21 = -10; [L40] signed char var_1_23 = 16; [L41] signed char var_1_24 = 5; [L42] unsigned char var_1_25 = 0; [L43] unsigned long int var_1_26 = 3144733050; [L44] unsigned long int var_1_27 = 3793327297; [L45] unsigned char var_1_28 = 25; [L46] unsigned char var_1_29 = 128; [L47] double var_1_30 = 0.4; [L48] double var_1_31 = 999.8; [L49] double var_1_32 = 15.75; [L50] unsigned long int var_1_33 = 5; [L51] unsigned long int var_1_34 = 2432502595; [L52] unsigned char var_1_35 = 1; [L53] unsigned char var_1_37 = 0; [L54] signed short int var_1_38 = -4; [L55] signed char last_1_var_1_21 = -10; [L56] unsigned char last_1_var_1_25 = 0; [L57] unsigned char last_1_var_1_28 = 25; [L207] isInitial = 1 [L208] FCALL initially() [L209] int k_loop; [L210] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_10=255/2, var_1_11=200000000000001/2, var_1_12=129/2, var_1_13=16, var_1_14=-128, var_1_15=8, var_1_16=0, var_1_17=100, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=63223, var_1_4=63229, var_1_6=1/2, var_1_8=46/5, var_1_9=7/8] [L210] COND TRUE k_loop < 1 [L211] CALL updateLastVariables() [L198] last_1_var_1_21 = var_1_21 [L199] last_1_var_1_25 = var_1_25 [L200] last_1_var_1_28 = var_1_28 [L211] RET updateLastVariables() [L212] CALL updateVariables() [L143] var_1_3 = __VERIFIER_nondet_ushort() [L144] CALL assume_abort_if_not(var_1_3 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_10=255/2, var_1_11=200000000000001/2, var_1_12=129/2, var_1_13=16, var_1_14=-128, var_1_15=8, var_1_16=0, var_1_17=100, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=63229, var_1_6=1/2, var_1_8=46/5, var_1_9=7/8] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_3 >= 32767) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_10=255/2, var_1_11=200000000000001/2, var_1_12=129/2, var_1_13=16, var_1_14=-128, var_1_15=8, var_1_16=0, var_1_17=100, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=63229, var_1_6=1/2, var_1_8=46/5, var_1_9=7/8] [L145] CALL assume_abort_if_not(var_1_3 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_10=255/2, var_1_11=200000000000001/2, var_1_12=129/2, var_1_13=16, var_1_14=-128, var_1_15=8, var_1_16=0, var_1_17=100, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=63229, var_1_6=1/2, var_1_8=46/5, var_1_9=7/8] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_3 <= 65534) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_10=255/2, var_1_11=200000000000001/2, var_1_12=129/2, var_1_13=16, var_1_14=-128, var_1_15=8, var_1_16=0, var_1_17=100, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=63229, var_1_6=1/2, var_1_8=46/5, var_1_9=7/8] [L146] var_1_4 = __VERIFIER_nondet_ushort() [L147] CALL assume_abort_if_not(var_1_4 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_10=255/2, var_1_11=200000000000001/2, var_1_12=129/2, var_1_13=16, var_1_14=-128, var_1_15=8, var_1_16=0, var_1_17=100, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2, var_1_8=46/5, var_1_9=7/8] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_4 >= 32767) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_10=255/2, var_1_11=200000000000001/2, var_1_12=129/2, var_1_13=16, var_1_14=-128, var_1_15=8, var_1_16=0, var_1_17=100, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2, var_1_8=46/5, var_1_9=7/8] [L148] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_10=255/2, var_1_11=200000000000001/2, var_1_12=129/2, var_1_13=16, var_1_14=-128, var_1_15=8, var_1_16=0, var_1_17=100, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2, var_1_8=46/5, var_1_9=7/8] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_10=255/2, var_1_11=200000000000001/2, var_1_12=129/2, var_1_13=16, var_1_14=-128, var_1_15=8, var_1_16=0, var_1_17=100, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2, var_1_8=46/5, var_1_9=7/8] [L149] var_1_8 = __VERIFIER_nondet_double() [L150] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_10=255/2, var_1_11=200000000000001/2, var_1_12=129/2, var_1_13=16, var_1_14=-128, var_1_15=8, var_1_16=0, var_1_17=100, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2, var_1_9=7/8] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_10=255/2, var_1_11=200000000000001/2, var_1_12=129/2, var_1_13=16, var_1_14=-128, var_1_15=8, var_1_16=0, var_1_17=100, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2, var_1_9=7/8] [L151] var_1_9 = __VERIFIER_nondet_double() [L152] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_10=255/2, var_1_11=200000000000001/2, var_1_12=129/2, var_1_13=16, var_1_14=-128, var_1_15=8, var_1_16=0, var_1_17=100, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_10=255/2, var_1_11=200000000000001/2, var_1_12=129/2, var_1_13=16, var_1_14=-128, var_1_15=8, var_1_16=0, var_1_17=100, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L153] var_1_10 = __VERIFIER_nondet_double() [L154] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_11=200000000000001/2, var_1_12=129/2, var_1_13=16, var_1_14=-128, var_1_15=8, var_1_16=0, var_1_17=100, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_11=200000000000001/2, var_1_12=129/2, var_1_13=16, var_1_14=-128, var_1_15=8, var_1_16=0, var_1_17=100, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L155] var_1_11 = __VERIFIER_nondet_double() [L156] CALL assume_abort_if_not((var_1_11 >= -230584.3009213691390e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 2305843.009213691390e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_12=129/2, var_1_13=16, var_1_14=-128, var_1_15=8, var_1_16=0, var_1_17=100, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_11 >= -230584.3009213691390e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 2305843.009213691390e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_12=129/2, var_1_13=16, var_1_14=-128, var_1_15=8, var_1_16=0, var_1_17=100, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L157] var_1_12 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_12 >= -230584.3009213691390e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 2305843.009213691390e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=8, var_1_16=0, var_1_17=100, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_12 >= -230584.3009213691390e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 2305843.009213691390e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=8, var_1_16=0, var_1_17=100, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L159] var_1_15 = __VERIFIER_nondet_char() [L160] CALL assume_abort_if_not(var_1_15 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=100, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_15 >= -1) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=100, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L161] CALL assume_abort_if_not(var_1_15 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=100, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_15 <= 126) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=100, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L162] var_1_16 = __VERIFIER_nondet_char() [L163] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=100, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=100, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L164] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=100, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=100, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L165] var_1_17 = __VERIFIER_nondet_char() [L166] CALL assume_abort_if_not(var_1_17 >= 62) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_17 >= 62) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L167] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=16, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L168] var_1_18 = __VERIFIER_nondet_char() [L169] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L170] CALL assume_abort_if_not(var_1_18 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_18 <= 63) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=50, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L171] var_1_19 = __VERIFIER_nondet_char() [L172] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L173] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L174] var_1_20 = __VERIFIER_nondet_char() [L175] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L176] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=16, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L177] var_1_23 = __VERIFIER_nondet_char() [L178] CALL assume_abort_if_not(var_1_23 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=-127, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_23 >= -127) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=-127, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L179] CALL assume_abort_if_not(var_1_23 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=-127, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_23 <= 126) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=-127, var_1_24=5, var_1_25=0, var_1_26=3144733050, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L180] var_1_26 = __VERIFIER_nondet_ulong() [L181] CALL assume_abort_if_not(var_1_26 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=-127, var_1_24=5, var_1_25=0, var_1_26=2147483647, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_26 >= 2147483647) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=-127, var_1_24=5, var_1_25=0, var_1_26=2147483647, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L182] CALL assume_abort_if_not(var_1_26 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=-127, var_1_24=5, var_1_25=0, var_1_26=2147483647, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_26 <= 4294967295) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=-127, var_1_24=5, var_1_25=0, var_1_26=2147483647, var_1_27=3793327297, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L183] var_1_27 = __VERIFIER_nondet_ulong() [L184] CALL assume_abort_if_not(var_1_27 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=-127, var_1_24=5, var_1_25=0, var_1_26=2147483647, var_1_27=2147483647, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_27 >= 2147483647) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=-127, var_1_24=5, var_1_25=0, var_1_26=2147483647, var_1_27=2147483647, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L185] CALL assume_abort_if_not(var_1_27 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=-127, var_1_24=5, var_1_25=0, var_1_26=2147483647, var_1_27=2147483647, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_27 <= 4294967295) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=-127, var_1_24=5, var_1_25=0, var_1_26=2147483647, var_1_27=2147483647, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_31=4999/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L186] var_1_31 = __VERIFIER_nondet_double() [L187] CALL assume_abort_if_not((var_1_31 >= 0.0F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 4611686.018427382800e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=-127, var_1_24=5, var_1_25=0, var_1_26=2147483647, var_1_27=2147483647, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not((var_1_31 >= 0.0F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 4611686.018427382800e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=-127, var_1_24=5, var_1_25=0, var_1_26=2147483647, var_1_27=2147483647, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_32=63/4, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L188] var_1_32 = __VERIFIER_nondet_double() [L189] CALL assume_abort_if_not((var_1_32 >= 0.0F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854765600e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=-127, var_1_24=5, var_1_25=0, var_1_26=2147483647, var_1_27=2147483647, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not((var_1_32 >= 0.0F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854765600e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=-127, var_1_24=5, var_1_25=0, var_1_26=2147483647, var_1_27=2147483647, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_33=5, var_1_34=2432502595, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L190] var_1_34 = __VERIFIER_nondet_ulong() [L191] CALL assume_abort_if_not(var_1_34 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=-127, var_1_24=5, var_1_25=0, var_1_26=2147483647, var_1_27=2147483647, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_33=5, var_1_34=4294901891, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not(var_1_34 >= 2147483647) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=-127, var_1_24=5, var_1_25=0, var_1_26=2147483647, var_1_27=2147483647, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_33=5, var_1_34=4294901891, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L192] CALL assume_abort_if_not(var_1_34 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=-127, var_1_24=5, var_1_25=0, var_1_26=2147483647, var_1_27=2147483647, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_33=5, var_1_34=4294901891, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_34 <= 4294967294) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=-127, var_1_24=5, var_1_25=0, var_1_26=2147483647, var_1_27=2147483647, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_33=5, var_1_34=4294901891, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L193] var_1_37 = __VERIFIER_nondet_uchar() [L194] CALL assume_abort_if_not(var_1_37 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=-127, var_1_24=5, var_1_25=0, var_1_26=2147483647, var_1_27=2147483647, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_33=5, var_1_34=4294901891, var_1_35=1, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L20] COND FALSE !(!cond) [L194] RET assume_abort_if_not(var_1_37 >= 0) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=-127, var_1_24=5, var_1_25=0, var_1_26=2147483647, var_1_27=2147483647, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_33=5, var_1_34=4294901891, var_1_35=1, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L195] CALL assume_abort_if_not(var_1_37 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=-127, var_1_24=5, var_1_25=0, var_1_26=2147483647, var_1_27=2147483647, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_33=5, var_1_34=4294901891, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L20] COND FALSE !(!cond) [L195] RET assume_abort_if_not(var_1_37 <= 0) VAL [isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=16, var_1_14=-128, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=100, var_1_20=0, var_1_21=-10, var_1_23=-127, var_1_24=5, var_1_25=0, var_1_26=2147483647, var_1_27=2147483647, var_1_28=25, var_1_29=128, var_1_30=2/5, var_1_33=5, var_1_34=4294901891, var_1_35=1, var_1_37=0, var_1_38=-4, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L212] RET updateVariables() [L213] CALL step() [L61] COND TRUE ! last_1_var_1_25 [L62] var_1_1 = (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))) - (5 + last_1_var_1_28)) [L66] COND FALSE !(var_1_10 < (var_1_12 * var_1_9)) [L69] var_1_13 = ((((var_1_3) > (16u)) ? (var_1_3) : (16u))) [L71] var_1_30 = (((((var_1_10) > ((var_1_9 + var_1_31))) ? (var_1_10) : ((var_1_9 + var_1_31)))) - var_1_32) [L72] COND TRUE var_1_12 == (var_1_10 - ((((var_1_9) < (var_1_32)) ? (var_1_9) : (var_1_32)))) [L73] var_1_33 = (var_1_34 - 128u) [L75] var_1_35 = ((var_1_30 < var_1_8) || (! var_1_37)) [L76] signed long int stepLocal_0 = - (- var_1_3); [L77] COND TRUE var_1_33 >= stepLocal_0 [L78] COND TRUE \read(var_1_35) [L79] var_1_14 = (var_1_15 - var_1_16) [L86] unsigned short int stepLocal_3 = var_1_3; [L87] unsigned short int stepLocal_2 = var_1_3; [L88] COND FALSE !((((((var_1_26) > (var_1_27)) ? (var_1_26) : (var_1_27))) - var_1_4) <= stepLocal_2) [L95] COND FALSE !(\read(var_1_25)) [L98] var_1_24 = var_1_17 [L100] unsigned short int stepLocal_4 = var_1_1; [L101] COND FALSE !(stepLocal_4 >= ((((var_1_33) < ((- var_1_3))) ? (var_1_33) : ((- var_1_3))))) [L106] COND FALSE !(var_1_4 <= var_1_29) [L115] var_1_28 = var_1_20 [L117] COND FALSE !(\read(var_1_25)) [L124] unsigned char stepLocal_1 = var_1_28 <= var_1_4; [L125] COND FALSE !(var_1_9 <= var_1_30) [L132] COND FALSE !((var_1_18 - var_1_19) < ((var_1_17 / var_1_3) * var_1_33)) [L139] var_1_38 = var_1_21 [L213] RET step() [L214] CALL, EXPR property() [L203] EXPR ((((((((! last_1_var_1_25) ? (var_1_1 == ((unsigned short int) (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))) - (5 + last_1_var_1_28)))) : (var_1_1 == ((unsigned short int) var_1_3))) && (var_1_25 ? (((var_1_28 + var_1_3) >= var_1_29) ? (var_1_6 == ((double) (var_1_8 + (var_1_9 - var_1_10)))) : (var_1_6 == ((double) ((var_1_11 + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) + (8.25 - var_1_9))))) : 1)) && ((var_1_10 < (var_1_12 * var_1_9)) ? (var_1_13 == ((unsigned long int) var_1_3)) : (var_1_13 == ((unsigned long int) ((((var_1_3) > (16u)) ? (var_1_3) : (16u))))))) && ((var_1_33 >= (- (- var_1_3))) ? (var_1_35 ? (var_1_14 == ((signed char) (var_1_15 - var_1_16))) : (var_1_14 == ((signed char) ((var_1_17 - var_1_18) - (var_1_19 + var_1_20))))) : (var_1_14 == ((signed char) (((((var_1_19 - 64)) < (var_1_15)) ? ((var_1_19 - 64)) : (var_1_15))))))) && ((var_1_9 <= var_1_30) ? (((var_1_28 <= var_1_4) && (! (var_1_18 == last_1_var_1_21))) ? (var_1_21 == ((signed char) var_1_15)) : (var_1_21 == ((signed char) var_1_23))) : 1)) && (var_1_25 ? (var_1_24 == ((signed char) (var_1_20 + var_1_18))) : (var_1_24 == ((signed char) var_1_17)))) && (((((((var_1_26) > (var_1_27)) ? (var_1_26) : (var_1_27))) - var_1_4) <= var_1_3) ? (((- var_1_16) == var_1_3) ? (var_1_35 ? (var_1_25 == ((unsigned char) 0)) : 1) : 1) : 1)) && ((var_1_4 <= var_1_29) ? ((var_1_26 == (var_1_16 * (var_1_27 & var_1_19))) ? (var_1_25 ? (var_1_28 == ((unsigned char) var_1_20)) : (var_1_28 == ((unsigned char) var_1_19))) : 1) : (var_1_28 == ((unsigned char) var_1_20))) [L203-L204] return (((((((((((((! last_1_var_1_25) ? (var_1_1 == ((unsigned short int) (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))) - (5 + last_1_var_1_28)))) : (var_1_1 == ((unsigned short int) var_1_3))) && (var_1_25 ? (((var_1_28 + var_1_3) >= var_1_29) ? (var_1_6 == ((double) (var_1_8 + (var_1_9 - var_1_10)))) : (var_1_6 == ((double) ((var_1_11 + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) + (8.25 - var_1_9))))) : 1)) && ((var_1_10 < (var_1_12 * var_1_9)) ? (var_1_13 == ((unsigned long int) var_1_3)) : (var_1_13 == ((unsigned long int) ((((var_1_3) > (16u)) ? (var_1_3) : (16u))))))) && ((var_1_33 >= (- (- var_1_3))) ? (var_1_35 ? (var_1_14 == ((signed char) (var_1_15 - var_1_16))) : (var_1_14 == ((signed char) ((var_1_17 - var_1_18) - (var_1_19 + var_1_20))))) : (var_1_14 == ((signed char) (((((var_1_19 - 64)) < (var_1_15)) ? ((var_1_19 - 64)) : (var_1_15))))))) && ((var_1_9 <= var_1_30) ? (((var_1_28 <= var_1_4) && (! (var_1_18 == last_1_var_1_21))) ? (var_1_21 == ((signed char) var_1_15)) : (var_1_21 == ((signed char) var_1_23))) : 1)) && (var_1_25 ? (var_1_24 == ((signed char) (var_1_20 + var_1_18))) : (var_1_24 == ((signed char) var_1_17)))) && (((((((var_1_26) > (var_1_27)) ? (var_1_26) : (var_1_27))) - var_1_4) <= var_1_3) ? (((- var_1_16) == var_1_3) ? (var_1_35 ? (var_1_25 == ((unsigned char) 0)) : 1) : 1) : 1)) && ((var_1_4 <= var_1_29) ? ((var_1_26 == (var_1_16 * (var_1_27 & var_1_19))) ? (var_1_25 ? (var_1_28 == ((unsigned char) var_1_20)) : (var_1_28 == ((unsigned char) var_1_19))) : 1) : (var_1_28 == ((unsigned char) var_1_20)))) && ((var_1_1 >= ((((var_1_33) < ((- var_1_3))) ? (var_1_33) : ((- var_1_3))))) ? (var_1_25 ? (var_1_29 == ((unsigned char) var_1_17)) : 1) : 1)) && (var_1_30 == ((double) (((((var_1_10) > ((var_1_9 + var_1_31))) ? (var_1_10) : ((var_1_9 + var_1_31)))) - var_1_32)))) && ((var_1_12 == (var_1_10 - ((((var_1_9) < (var_1_32)) ? (var_1_9) : (var_1_32))))) ? (var_1_33 == ((unsigned long int) (var_1_34 - 128u))) : 1)) && (var_1_35 == ((unsigned char) ((var_1_30 < var_1_8) || (! var_1_37))))) && (((var_1_18 - var_1_19) < ((var_1_17 / var_1_3) * var_1_33)) ? ((var_1_32 >= (var_1_10 - var_1_31)) ? (var_1_38 == ((signed short int) var_1_18)) : (var_1_38 == ((signed short int) var_1_19))) : (var_1_38 == ((signed short int) var_1_21))) ; [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_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=65533, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=65504, var_1_20=0, var_1_21=-10, var_1_23=-127, var_1_24=62, var_1_25=0, var_1_26=2147483647, var_1_27=2147483647, var_1_28=0, var_1_29=128, var_1_33=4294901763, var_1_34=4294901891, var_1_35=1, var_1_37=0, var_1_38=-10, var_1_3=65533, var_1_4=65534, var_1_6=1/2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_21=-10, last_1_var_1_25=0, last_1_var_1_28=25, var_1_13=65533, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=62, var_1_18=1, var_1_19=0, var_1_1=65504, var_1_20=0, var_1_21=-10, var_1_23=-127, var_1_24=62, var_1_25=0, var_1_26=2147483647, var_1_27=2147483647, var_1_28=0, var_1_29=128, var_1_33=4294901763, var_1_34=4294901891, var_1_35=1, var_1_37=0, var_1_38=-10, var_1_3=65533, var_1_4=65534, var_1_6=1/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 33, 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=62occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 123 NumberOfCodeBlocks, 123 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:32:59,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/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_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-78.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/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_0ea59a2d-deec-4602-88f0-93ad8f7f972d/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 389c0a502a3185807f3b8690c73a08390109bda5b59f3ae6d40c34b48d123843 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:33:02,198 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:33:02,344 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:33:02,354 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:33:02,355 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:33:02,403 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:33:02,404 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:33:02,405 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:33:02,406 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:33:02,412 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:33:02,413 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:33:02,413 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:33:02,414 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:33:02,416 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:33:02,416 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:33:02,417 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:33:02,418 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:33:02,419 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:33:02,419 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:33:02,420 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:33:02,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:33:02,422 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:33:02,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:33:02,422 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:33:02,423 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:33:02,423 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:33:02,424 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:33:02,424 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:33:02,425 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:33:02,425 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:33:02,427 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:33:02,427 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:33:02,428 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:33:02,428 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:33:02,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:33:02,429 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:33:02,429 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:33:02,429 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:33:02,430 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:33:02,431 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:33:02,431 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:33:02,432 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:33:02,432 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:33:02,432 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:33:02,433 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_0ea59a2d-deec-4602-88f0-93ad8f7f972d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 389c0a502a3185807f3b8690c73a08390109bda5b59f3ae6d40c34b48d123843 [2023-11-23 20:33:02,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:33:03,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:33:03,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:33:03,024 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:33:03,025 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:33:03,027 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-78.i [2023-11-23 20:33:06,525 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:33:06,855 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:33:06,857 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-78.i [2023-11-23 20:33:06,878 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/data/a152d32ea/cde4a7e2adf948e59a74fce86b9b010a/FLAG7319511f0 [2023-11-23 20:33:06,899 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/data/a152d32ea/cde4a7e2adf948e59a74fce86b9b010a [2023-11-23 20:33:06,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:33:06,907 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:33:06,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:33:06,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:33:06,918 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:33:06,919 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:06" (1/1) ... [2023-11-23 20:33:06,920 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6beb1d19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:06, skipping insertion in model container [2023-11-23 20:33:06,920 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:06" (1/1) ... [2023-11-23 20:33:06,979 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:33:07,191 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_0ea59a2d-deec-4602-88f0-93ad8f7f972d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-78.i[916,929] [2023-11-23 20:33:07,318 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:33:07,335 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:33:07,348 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_0ea59a2d-deec-4602-88f0-93ad8f7f972d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-78.i[916,929] [2023-11-23 20:33:07,391 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:33:07,411 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:33:07,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:07 WrapperNode [2023-11-23 20:33:07,412 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:33:07,413 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:33:07,414 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:33:07,414 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:33:07,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:07" (1/1) ... [2023-11-23 20:33:07,438 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:07" (1/1) ... [2023-11-23 20:33:07,493 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 220 [2023-11-23 20:33:07,494 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:33:07,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:33:07,495 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:33:07,495 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:33:07,504 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:07" (1/1) ... [2023-11-23 20:33:07,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:07" (1/1) ... [2023-11-23 20:33:07,510 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:07" (1/1) ... [2023-11-23 20:33:07,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:07" (1/1) ... [2023-11-23 20:33:07,526 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:07" (1/1) ... [2023-11-23 20:33:07,530 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:07" (1/1) ... [2023-11-23 20:33:07,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:07" (1/1) ... [2023-11-23 20:33:07,536 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:07" (1/1) ... [2023-11-23 20:33:07,542 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:33:07,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:33:07,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:33:07,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:33:07,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:07" (1/1) ... [2023-11-23 20:33:07,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:33:07,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:07,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:33:07,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:33:07,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:33:07,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:33:07,643 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:33:07,643 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:33:07,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:33:07,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:33:07,795 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:33:07,800 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:33:18,274 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:33:18,355 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:33:18,355 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:33:18,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:18 BoogieIcfgContainer [2023-11-23 20:33:18,356 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:33:18,373 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:33:18,374 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:33:18,378 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:33:18,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:33:06" (1/3) ... [2023-11-23 20:33:18,379 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69dc0791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:18, skipping insertion in model container [2023-11-23 20:33:18,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:07" (2/3) ... [2023-11-23 20:33:18,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69dc0791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:18, skipping insertion in model container [2023-11-23 20:33:18,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:18" (3/3) ... [2023-11-23 20:33:18,383 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-78.i [2023-11-23 20:33:18,410 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:33:18,410 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:33:18,491 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:33:18,500 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;@5f3947b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:33:18,500 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:33:18,509 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 56 states have internal predecessors, (80), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-23 20:33:18,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-11-23 20:33:18,544 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:18,545 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:18,545 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:18,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:18,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1707922830, now seen corresponding path program 1 times [2023-11-23 20:33:18,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:33:18,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [87507536] [2023-11-23 20:33:18,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:18,571 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:33:18,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:33:18,575 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:33:18,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 20:33:20,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:20,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:33:20,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:20,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 832 proven. 0 refuted. 0 times theorem prover too weak. 1280 trivial. 0 not checked. [2023-11-23 20:33:20,329 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:20,329 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:33:20,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [87507536] [2023-11-23 20:33:20,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [87507536] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:20,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:20,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:33:20,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205736643] [2023-11-23 20:33:20,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:20,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:33:20,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:33:20,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:33:20,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:33:20,377 INFO L87 Difference]: Start difference. First operand has 91 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 56 states have internal predecessors, (80), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) 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, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-23 20:33:22,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:33:22,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:22,898 INFO L93 Difference]: Finished difference Result 181 states and 324 transitions. [2023-11-23 20:33:22,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:33:22,902 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, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 206 [2023-11-23 20:33:22,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:22,915 INFO L225 Difference]: With dead ends: 181 [2023-11-23 20:33:22,915 INFO L226 Difference]: Without dead ends: 89 [2023-11-23 20:33:22,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:33:22,926 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:22,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2023-11-23 20:33:22,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-11-23 20:33:23,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-11-23 20:33:23,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 54 states have internal predecessors, (75), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-23 20:33:23,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 141 transitions. [2023-11-23 20:33:23,014 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 141 transitions. Word has length 206 [2023-11-23 20:33:23,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:23,015 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 141 transitions. [2023-11-23 20:33:23,015 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, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-23 20:33:23,016 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 141 transitions. [2023-11-23 20:33:23,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-11-23 20:33:23,023 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:23,023 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:23,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-23 20:33:23,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:33:23,244 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:23,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:23,245 INFO L85 PathProgramCache]: Analyzing trace with hash 163057672, now seen corresponding path program 1 times [2023-11-23 20:33:23,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:33:23,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [272280332] [2023-11-23 20:33:23,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:23,248 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:33:23,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:33:23,250 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:33:23,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 20:33:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:24,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:33:24,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:25,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 438 proven. 9 refuted. 0 times theorem prover too weak. 1665 trivial. 0 not checked. [2023-11-23 20:33:25,944 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:33:26,678 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:33:26,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [272280332] [2023-11-23 20:33:26,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [272280332] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 20:33:26,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1148915406] [2023-11-23 20:33:26,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:26,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:33:26,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 20:33:26,711 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:33:26,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 20:33:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:27,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:33:27,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:27,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-23 20:33:27,887 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:27,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1148915406] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:27,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 20:33:27,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-11-23 20:33:27,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134134366] [2023-11-23 20:33:27,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:27,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:33:27,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:33:27,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:33:27,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-11-23 20:33:27,894 INFO L87 Difference]: Start difference. First operand 89 states and 141 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-23 20:33:30,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:33:32,397 WARN L539 Checker$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 20:33:34,401 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 20:33:34,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:34,607 INFO L93 Difference]: Finished difference Result 264 states and 419 transitions. [2023-11-23 20:33:34,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:33:34,608 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 206 [2023-11-23 20:33:34,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:34,614 INFO L225 Difference]: With dead ends: 264 [2023-11-23 20:33:34,614 INFO L226 Difference]: Without dead ends: 176 [2023-11-23 20:33:34,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-11-23 20:33:34,619 INFO L413 NwaCegarLoop]: 254 mSDtfsCounter, 131 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:34,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 380 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 18 Invalid, 3 Unknown, 0 Unchecked, 6.6s Time] [2023-11-23 20:33:34,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2023-11-23 20:33:34,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 174. [2023-11-23 20:33:34,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 105 states have (on average 1.3523809523809525) internal successors, (142), 105 states have internal predecessors, (142), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-11-23 20:33:34,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 274 transitions. [2023-11-23 20:33:34,711 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 274 transitions. Word has length 206 [2023-11-23 20:33:34,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:34,713 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 274 transitions. [2023-11-23 20:33:34,714 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-23 20:33:34,714 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 274 transitions. [2023-11-23 20:33:34,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-11-23 20:33:34,719 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:34,720 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:34,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:34,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/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)] Ended with exit code 0 [2023-11-23 20:33:35,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:33:35,127 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:35,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:35,128 INFO L85 PathProgramCache]: Analyzing trace with hash 864122250, now seen corresponding path program 1 times [2023-11-23 20:33:35,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:33:35,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2141090937] [2023-11-23 20:33:35,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:35,130 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:33:35,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:33:35,132 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:33:35,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 20:33:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:36,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:33:36,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:37,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 438 proven. 9 refuted. 0 times theorem prover too weak. 1665 trivial. 0 not checked. [2023-11-23 20:33:37,063 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:33:37,562 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:33:37,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2141090937] [2023-11-23 20:33:37,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2141090937] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 20:33:37,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [494967436] [2023-11-23 20:33:37,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:37,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:33:37,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 20:33:37,568 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:33:37,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-23 20:33:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:39,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:33:39,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:40,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 438 proven. 9 refuted. 0 times theorem prover too weak. 1665 trivial. 0 not checked. [2023-11-23 20:33:40,243 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:33:40,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [494967436] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 20:33:40,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364754751] [2023-11-23 20:33:40,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:40,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:40,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:40,449 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:33:40,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea59a2d-deec-4602-88f0-93ad8f7f972d/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-23 20:33:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:41,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:33:41,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:41,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 438 proven. 9 refuted. 0 times theorem prover too weak. 1665 trivial. 0 not checked. [2023-11-23 20:33:41,597 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:33:41,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364754751] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 20:33:41,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 20:33:41,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 7 [2023-11-23 20:33:41,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637410429] [2023-11-23 20:33:41,761 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 20:33:41,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 20:33:41,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:33:41,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 20:33:41,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-23 20:33:41,776 INFO L87 Difference]: Start difference. First operand 174 states and 274 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-23 20:33:48,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:33:50,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:33:52,309 WARN L539 Checker$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 []