./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-1.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_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/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_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/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_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/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 f42cef6ed93900b31f047f50e8a562d6414688ebc2967397026af436d35c76fd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:23:17,245 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:23:17,316 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:23:17,321 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:23:17,321 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:23:17,363 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:23:17,364 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:23:17,365 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:23:17,366 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:23:17,371 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:23:17,371 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:23:17,373 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:23:17,373 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:23:17,375 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:23:17,376 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:23:17,376 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:23:17,377 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:23:17,378 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:23:17,378 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:23:17,379 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:23:17,379 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:23:17,380 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:23:17,382 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:23:17,382 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:23:17,383 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:23:17,383 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:23:17,384 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:23:17,385 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:23:17,385 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:23:17,386 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:23:17,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:23:17,388 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:23:17,388 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:23:17,388 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:23:17,389 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:23:17,389 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:23:17,389 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:23:17,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:17,390 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:23:17,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:23:17,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:23:17,392 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:23:17,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:23:17,393 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:23:17,393 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:23:17,394 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:23:17,394 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:23:17,394 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_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f42cef6ed93900b31f047f50e8a562d6414688ebc2967397026af436d35c76fd [2023-11-23 21:23:17,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:23:17,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:23:17,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:23:17,799 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:23:17,800 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:23:17,801 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-1.i [2023-11-23 21:23:20,873 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:23:21,095 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:23:21,095 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-1.i [2023-11-23 21:23:21,117 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/data/b60e51ecc/2405e7f1521b495a9dfa6fb403d9779c/FLAG2d302f588 [2023-11-23 21:23:21,137 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/data/b60e51ecc/2405e7f1521b495a9dfa6fb403d9779c [2023-11-23 21:23:21,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:23:21,144 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:23:21,148 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:21,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:23:21,156 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:23:21,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:21" (1/1) ... [2023-11-23 21:23:21,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b5137d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:21, skipping insertion in model container [2023-11-23 21:23:21,158 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:21" (1/1) ... [2023-11-23 21:23:21,193 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:23:21,339 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_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-1.i[918,931] [2023-11-23 21:23:21,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:21,438 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:23:21,452 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_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-1.i[918,931] [2023-11-23 21:23:21,577 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:21,599 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:23:21,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:21 WrapperNode [2023-11-23 21:23:21,599 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:21,600 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:21,601 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:23:21,601 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:23:21,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:21" (1/1) ... [2023-11-23 21:23:21,624 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:21" (1/1) ... [2023-11-23 21:23:21,680 INFO L138 Inliner]: procedures = 26, calls = 52, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 243 [2023-11-23 21:23:21,680 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:21,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:23:21,681 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:23:21,681 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:23:21,698 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:21" (1/1) ... [2023-11-23 21:23:21,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:21" (1/1) ... [2023-11-23 21:23:21,704 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:21" (1/1) ... [2023-11-23 21:23:21,705 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:21" (1/1) ... [2023-11-23 21:23:21,720 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:21" (1/1) ... [2023-11-23 21:23:21,724 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:21" (1/1) ... [2023-11-23 21:23:21,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:21" (1/1) ... [2023-11-23 21:23:21,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:21" (1/1) ... [2023-11-23 21:23:21,740 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:23:21,741 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:23:21,741 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:23:21,741 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:23:21,743 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:21" (1/1) ... [2023-11-23 21:23:21,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:21,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:21,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:23:21,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:23:21,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:23:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:23:21,856 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:23:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:23:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:23:21,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:23:22,017 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:23:22,020 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:23:22,598 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:23:23,037 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:23:23,038 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:23:23,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:23 BoogieIcfgContainer [2023-11-23 21:23:23,040 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:23:23,043 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:23:23,043 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:23:23,047 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:23:23,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:23:21" (1/3) ... [2023-11-23 21:23:23,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65550e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:23, skipping insertion in model container [2023-11-23 21:23:23,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:21" (2/3) ... [2023-11-23 21:23:23,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65550e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:23, skipping insertion in model container [2023-11-23 21:23:23,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:23" (3/3) ... [2023-11-23 21:23:23,054 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-1.i [2023-11-23 21:23:23,075 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:23:23,076 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:23:23,151 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:23:23,158 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;@707c8217, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:23:23,159 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:23:23,163 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 28 states have internal predecessors, (30), 39 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2023-11-23 21:23:23,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-23 21:23:23,180 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:23,181 INFO L195 NwaCegarLoop]: trace histogram [39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:23,182 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:23,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:23,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1722230347, now seen corresponding path program 1 times [2023-11-23 21:23:23,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:23,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527856602] [2023-11-23 21:23:23,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:23,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:23,471 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:23:23,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1822108616] [2023-11-23 21:23:23,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:23,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:23:23,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:23,478 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:23:23,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:23:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:23:23,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:23:23,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:23:24,059 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:23:24,067 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:23:24,068 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:23:24,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:23:24,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:23:24,283 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:23:24,287 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:23:24,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:23:24 BoogieIcfgContainer [2023-11-23 21:23:24,478 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:23:24,478 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:23:24,478 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:23:24,479 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:23:24,479 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:23" (3/4) ... [2023-11-23 21:23:24,481 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:23:24,483 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:23:24,484 INFO L158 Benchmark]: Toolchain (without parser) took 3339.49ms. Allocated memory was 113.2MB in the beginning and 159.4MB in the end (delta: 46.1MB). Free memory was 69.0MB in the beginning and 117.3MB in the end (delta: -48.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:23:24,485 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory was 82.2MB in the beginning and 82.2MB in the end (delta: 27.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:23:24,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.97ms. Allocated memory was 113.2MB in the beginning and 159.4MB in the end (delta: 46.1MB). Free memory was 69.0MB in the beginning and 127.7MB in the end (delta: -58.7MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-11-23 21:23:24,486 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.86ms. Allocated memory is still 159.4MB. Free memory was 127.7MB in the beginning and 123.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:23:24,487 INFO L158 Benchmark]: Boogie Preprocessor took 59.40ms. Allocated memory is still 159.4MB. Free memory was 123.6MB in the beginning and 121.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:23:24,488 INFO L158 Benchmark]: RCFGBuilder took 1298.98ms. Allocated memory is still 159.4MB. Free memory was 121.5MB in the beginning and 113.2MB in the end (delta: 8.3MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. [2023-11-23 21:23:24,489 INFO L158 Benchmark]: TraceAbstraction took 1434.50ms. Allocated memory is still 159.4MB. Free memory was 112.1MB in the beginning and 117.3MB in the end (delta: -5.1MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2023-11-23 21:23:24,489 INFO L158 Benchmark]: Witness Printer took 4.67ms. Allocated memory is still 159.4MB. Free memory is still 117.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:23:24,492 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory was 82.2MB in the beginning and 82.2MB in the end (delta: 27.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 451.97ms. Allocated memory was 113.2MB in the beginning and 159.4MB in the end (delta: 46.1MB). Free memory was 69.0MB in the beginning and 127.7MB in the end (delta: -58.7MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.86ms. Allocated memory is still 159.4MB. Free memory was 127.7MB in the beginning and 123.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.40ms. Allocated memory is still 159.4MB. Free memory was 123.6MB in the beginning and 121.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1298.98ms. Allocated memory is still 159.4MB. Free memory was 121.5MB in the beginning and 113.2MB in the end (delta: 8.3MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1434.50ms. Allocated memory is still 159.4MB. Free memory was 112.1MB in the beginning and 117.3MB in the end (delta: -5.1MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. * Witness Printer took 4.67ms. Allocated memory is still 159.4MB. Free memory is still 117.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of bitwiseOr at line 61, overapproximation of shiftRight at line 64, overapproximation of someBinaryDOUBLEComparisonOperation at line 204, overapproximation of someBinaryArithmeticFLOAToperation at line 110. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 64; [L23] double var_1_6 = 31.5; [L24] double var_1_9 = 1000000000.25; [L25] float var_1_10 = 1.1; [L26] float var_1_11 = 8.75; [L27] float var_1_12 = 63.8; [L28] unsigned char var_1_13 = 1; [L29] float var_1_14 = 127.5; [L30] signed char var_1_15 = -2; [L31] signed char var_1_16 = 1; [L32] signed char var_1_17 = 1; [L33] signed char var_1_18 = 1; [L34] signed char var_1_19 = -2; [L35] signed char var_1_20 = 16; [L36] signed char var_1_21 = 2; [L37] signed char var_1_22 = 8; [L38] unsigned char var_1_23 = 0; [L39] unsigned char var_1_24 = 0; [L40] unsigned char var_1_25 = 0; [L41] unsigned char var_1_26 = 0; [L42] unsigned char var_1_27 = 32; [L43] unsigned char var_1_28 = 1; [L44] unsigned long int var_1_33 = 10; [L45] unsigned long int var_1_35 = 2632045268; [L46] signed long int var_1_36 = 32; [L47] unsigned long int var_1_37 = 128; [L48] unsigned long int var_1_39 = 1877460848; [L49] unsigned long int var_1_40 = 1831388024; [L50] unsigned long int var_1_41 = 1967003719; [L51] unsigned char var_1_42 = 0; [L52] unsigned char var_1_43 = 0; [L53] unsigned char var_1_45 = 0; [L54] unsigned char var_1_46 = 0; [L55] unsigned char var_1_47 = 1; [L56] unsigned char var_1_48 = 1; [L57] unsigned short int var_1_49 = 0; [L208] isInitial = 1 [L209] FCALL initially() [L210] COND TRUE 1 [L211] FCALL updateLastVariables() [L212] CALL updateVariables() [L140] var_1_9 = __VERIFIER_nondet_double() [L141] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L142] var_1_11 = __VERIFIER_nondet_float() [L143] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L144] var_1_13 = __VERIFIER_nondet_uchar() [L145] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L146] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L147] var_1_14 = __VERIFIER_nondet_float() [L148] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L149] var_1_16 = __VERIFIER_nondet_char() [L150] CALL assume_abort_if_not(var_1_16 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_16 >= -1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L151] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L152] var_1_17 = __VERIFIER_nondet_char() [L153] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L154] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L155] var_1_19 = __VERIFIER_nondet_char() [L156] CALL assume_abort_if_not(var_1_19 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_19 >= -63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L157] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L158] var_1_20 = __VERIFIER_nondet_char() [L159] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L160] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L161] var_1_21 = __VERIFIER_nondet_char() [L162] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L163] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L164] var_1_22 = __VERIFIER_nondet_char() [L165] CALL assume_abort_if_not(var_1_22 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_22 >= -63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L166] CALL assume_abort_if_not(var_1_22 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_22 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L167] var_1_24 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_24 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_24 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L169] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L170] var_1_25 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L172] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L173] var_1_26 = __VERIFIER_nondet_uchar() [L174] CALL assume_abort_if_not(var_1_26 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_26 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L175] CALL assume_abort_if_not(var_1_26 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_26 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L176] var_1_35 = __VERIFIER_nondet_ulong() [L177] CALL assume_abort_if_not(var_1_35 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_35 >= 2147483647) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L178] CALL assume_abort_if_not(var_1_35 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_35 <= 4294967294) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L179] var_1_39 = __VERIFIER_nondet_ulong() [L180] CALL assume_abort_if_not(var_1_39 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_39 >= 1073741823) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L181] CALL assume_abort_if_not(var_1_39 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_39 <= 2147483647) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L182] var_1_40 = __VERIFIER_nondet_ulong() [L183] CALL assume_abort_if_not(var_1_40 >= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_40 >= 1073741824) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L184] CALL assume_abort_if_not(var_1_40 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_40 <= 2147483647) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L185] var_1_41 = __VERIFIER_nondet_ulong() [L186] CALL assume_abort_if_not(var_1_41 >= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=2147483647, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_41 >= 1073741824) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=2147483647, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L187] CALL assume_abort_if_not(var_1_41 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=2147483647, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_41 <= 2147483647) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=2147483647, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L188] var_1_43 = __VERIFIER_nondet_uchar() [L189] CALL assume_abort_if_not(var_1_43 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=2147483647, var_1_42=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_43 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=2147483647, var_1_42=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L190] CALL assume_abort_if_not(var_1_43 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=2147483647, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_43 <= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=2147483647, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L191] var_1_45 = __VERIFIER_nondet_uchar() [L192] CALL assume_abort_if_not(var_1_45 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=2147483647, var_1_42=0, var_1_43=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_45 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=2147483647, var_1_42=0, var_1_43=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L193] CALL assume_abort_if_not(var_1_45 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=2147483647, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not(var_1_45 <= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=2147483647, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L194] var_1_47 = __VERIFIER_nondet_uchar() [L195] CALL assume_abort_if_not(var_1_47 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=2147483647, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L195] RET assume_abort_if_not(var_1_47 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=2147483647, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L196] CALL assume_abort_if_not(var_1_47 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=2147483647, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L196] RET assume_abort_if_not(var_1_47 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=2147483647, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L197] var_1_48 = __VERIFIER_nondet_uchar() [L198] CALL assume_abort_if_not(var_1_48 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=2147483647, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L198] RET assume_abort_if_not(var_1_48 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=2147483647, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L199] CALL assume_abort_if_not(var_1_48 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=2147483647, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L199] RET assume_abort_if_not(var_1_48 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_15=-2, var_1_16=126, var_1_17=126, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=2147483647, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L212] RET updateVariables() [L213] CALL step() [L61] EXPR var_1_27 | (var_1_27 + var_1_27) [L61] COND TRUE var_1_27 < (var_1_27 | (var_1_27 + var_1_27)) [L62] var_1_28 = 200 [L64] EXPR var_1_27 >> var_1_27 [L64] COND TRUE var_1_27 >= (var_1_27 >> var_1_27) [L65] COND FALSE !(var_1_23 || (var_1_27 < var_1_27)) [L69] COND TRUE var_1_27 > (var_1_27 / var_1_35) [L70] var_1_36 = ((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))) [L72] COND TRUE 63.75f <= var_1_10 [L73] var_1_37 = ((var_1_39 + ((((var_1_40) > (var_1_41)) ? (var_1_40) : (var_1_41)))) - ((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) [L75] COND FALSE !(var_1_41 < ((((var_1_27) < (var_1_1)) ? (var_1_27) : (var_1_1)))) [L78] var_1_42 = (var_1_45 || var_1_43) [L80] COND FALSE !(\read(var_1_23)) [L87] COND FALSE !((var_1_39 - ((((-50) < 0 ) ? -(-50) : (-50)))) < var_1_18) [L92] var_1_15 = (var_1_16 - var_1_17) [L93] var_1_27 = var_1_21 [L94] unsigned char stepLocal_1 = var_1_27; [L95] unsigned char stepLocal_0 = var_1_27; [L96] COND TRUE (var_1_27 + var_1_27) <= stepLocal_1 [L97] var_1_1 = (128 + var_1_27) [L105] COND FALSE !(var_1_27 < (var_1_27 - var_1_27)) [L108] unsigned char stepLocal_2 = var_1_27; [L109] COND FALSE !(var_1_27 > stepLocal_2) [L112] var_1_10 = 9.75f [L114] COND TRUE ((((var_1_27) < (var_1_27)) ? (var_1_27) : (var_1_27))) < 25u [L115] var_1_18 = (((((var_1_19) > ((var_1_20 - var_1_21))) ? (var_1_19) : ((var_1_20 - var_1_21)))) + (((((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) < 0 ) ? -((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) : ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))) [L117] signed long int stepLocal_5 = ~ var_1_21; [L118] COND TRUE \read(var_1_13) [L119] COND FALSE !(stepLocal_5 > var_1_27) [L122] COND TRUE \read(var_1_24) [L123] var_1_23 = ((! var_1_25) || var_1_26) [L127] unsigned char stepLocal_4 = var_1_18 >= var_1_27; [L128] unsigned char stepLocal_3 = var_1_27; [L129] COND TRUE var_1_23 && stepLocal_4 [L130] var_1_12 = var_1_11 [L213] RET step() [L214] CALL, EXPR property() [L204-L205] return (((((((((var_1_27 + var_1_27) <= var_1_27) ? (var_1_1 == ((signed short int) (128 + var_1_27))) : ((var_1_27 >= (var_1_27 * var_1_27)) ? (var_1_1 == ((signed short int) var_1_27)) : (var_1_1 == ((signed short int) 1)))) && ((var_1_27 < (var_1_27 - var_1_27)) ? (var_1_6 == ((double) var_1_9)) : 1)) && ((var_1_27 > var_1_27) ? (var_1_10 == ((float) (1.00000000000009E13f - var_1_11))) : (var_1_10 == ((float) 9.75f)))) && ((var_1_23 && (var_1_18 >= var_1_27)) ? (var_1_12 == ((float) var_1_11)) : ((1 >= var_1_27) ? (var_1_12 == ((float) var_1_11)) : (var_1_12 == ((float) var_1_14))))) && (var_1_15 == ((signed char) (var_1_16 - var_1_17)))) && ((((((var_1_27) < (var_1_27)) ? (var_1_27) : (var_1_27))) < 25u) ? (var_1_18 == ((signed char) (((((var_1_19) > ((var_1_20 - var_1_21))) ? (var_1_19) : ((var_1_20 - var_1_21)))) + (((((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) < 0 ) ? -((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) : ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))))) : 1)) && (var_1_13 ? (((~ var_1_21) > var_1_27) ? (var_1_23 == ((unsigned char) (var_1_24 && (! var_1_25)))) : (var_1_24 ? (var_1_23 == ((unsigned char) ((! var_1_25) || var_1_26))) : 1)) : 1)) && (var_1_27 == ((unsigned char) var_1_21)) ; [L214] RET, EXPR property() [L214] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=126, var_1_17=126, var_1_18=0, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=200, var_1_33=10, var_1_35=2147483647, var_1_36=2, var_1_37=3221225468, var_1_39=1073741823, var_1_40=1073741824, var_1_41=2147483647, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=126, var_1_17=126, var_1_18=0, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=200, var_1_33=10, var_1_35=2147483647, var_1_36=2, var_1_37=3221225468, var_1_39=1073741823, var_1_40=1073741824, var_1_41=2147483647, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 39, 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=69occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:23:24,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/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_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/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_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/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_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/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 f42cef6ed93900b31f047f50e8a562d6414688ebc2967397026af436d35c76fd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:23:27,242 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:23:27,383 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:23:27,392 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:23:27,393 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:23:27,440 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:23:27,441 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:23:27,441 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:23:27,443 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:23:27,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:23:27,449 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:23:27,449 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:23:27,450 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:23:27,451 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:23:27,452 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:23:27,452 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:23:27,454 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:23:27,454 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:23:27,455 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:23:27,456 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:23:27,456 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:23:27,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:23:27,457 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:23:27,458 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:23:27,458 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:23:27,459 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:23:27,459 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:23:27,460 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:23:27,460 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:23:27,460 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:23:27,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:23:27,462 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:23:27,462 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:23:27,463 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:23:27,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:27,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:23:27,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:23:27,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:23:27,464 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:23:27,465 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:23:27,465 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:23:27,466 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:23:27,466 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:23:27,466 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:23:27,467 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_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f42cef6ed93900b31f047f50e8a562d6414688ebc2967397026af436d35c76fd [2023-11-23 21:23:27,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:23:27,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:23:27,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:23:27,874 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:23:27,874 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:23:27,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-1.i [2023-11-23 21:23:30,993 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:23:31,358 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:23:31,358 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-1.i [2023-11-23 21:23:31,370 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/data/f26b5bb88/b53635f1d0d34f54b50db0ff5c323f7c/FLAG86ee8f7c5 [2023-11-23 21:23:31,387 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/data/f26b5bb88/b53635f1d0d34f54b50db0ff5c323f7c [2023-11-23 21:23:31,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:23:31,397 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:23:31,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:31,403 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:23:31,410 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:23:31,411 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:31" (1/1) ... [2023-11-23 21:23:31,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b696e50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:31, skipping insertion in model container [2023-11-23 21:23:31,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:31" (1/1) ... [2023-11-23 21:23:31,469 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:23:31,656 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_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-1.i[918,931] [2023-11-23 21:23:31,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:31,802 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:23:31,818 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_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-1.i[918,931] [2023-11-23 21:23:31,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:31,917 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:23:31,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:31 WrapperNode [2023-11-23 21:23:31,918 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:31,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:31,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:23:31,920 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:23:31,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:31" (1/1) ... [2023-11-23 21:23:31,956 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:31" (1/1) ... [2023-11-23 21:23:32,007 INFO L138 Inliner]: procedures = 27, calls = 52, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 221 [2023-11-23 21:23:32,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:32,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:23:32,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:23:32,009 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:23:32,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:31" (1/1) ... [2023-11-23 21:23:32,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:31" (1/1) ... [2023-11-23 21:23:32,032 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:31" (1/1) ... [2023-11-23 21:23:32,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:31" (1/1) ... [2023-11-23 21:23:32,052 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:31" (1/1) ... [2023-11-23 21:23:32,071 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:31" (1/1) ... [2023-11-23 21:23:32,080 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:31" (1/1) ... [2023-11-23 21:23:32,092 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:31" (1/1) ... [2023-11-23 21:23:32,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:23:32,098 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:23:32,103 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:23:32,104 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:23:32,105 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:31" (1/1) ... [2023-11-23 21:23:32,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:32,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:32,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:23:32,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:23:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:23:32,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:23:32,185 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:23:32,185 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:23:32,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:23:32,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:23:32,319 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:23:32,322 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:23:33,068 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:23:33,154 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:23:33,154 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:23:33,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:33 BoogieIcfgContainer [2023-11-23 21:23:33,155 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:23:33,157 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:23:33,157 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:23:33,160 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:23:33,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:23:31" (1/3) ... [2023-11-23 21:23:33,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b46be5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:33, skipping insertion in model container [2023-11-23 21:23:33,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:31" (2/3) ... [2023-11-23 21:23:33,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b46be5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:33, skipping insertion in model container [2023-11-23 21:23:33,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:33" (3/3) ... [2023-11-23 21:23:33,163 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-1.i [2023-11-23 21:23:33,185 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:23:33,185 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:23:33,260 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:23:33,269 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;@70483053, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:23:33,270 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:23:33,275 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 57 states have internal predecessors, (82), 39 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2023-11-23 21:23:33,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-11-23 21:23:33,309 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:33,310 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:33,310 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:33,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:33,316 INFO L85 PathProgramCache]: Analyzing trace with hash -340587209, now seen corresponding path program 1 times [2023-11-23 21:23:33,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:23:33,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1246572916] [2023-11-23 21:23:33,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:33,330 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:23:33,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:23:33,336 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:23:33,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:23:33,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:33,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:23:33,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:33,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 1120 proven. 0 refuted. 0 times theorem prover too weak. 1844 trivial. 0 not checked. [2023-11-23 21:23:33,912 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:23:33,913 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:23:33,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1246572916] [2023-11-23 21:23:33,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1246572916] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:33,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:33,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:23:33,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59796870] [2023-11-23 21:23:33,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:33,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:23:33,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:23:33,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:23:33,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:23:33,967 INFO L87 Difference]: Start difference. First operand has 98 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 57 states have internal predecessors, (82), 39 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-11-23 21:23:34,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:34,093 INFO L93 Difference]: Finished difference Result 193 states and 357 transitions. [2023-11-23 21:23:34,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:23:34,098 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 238 [2023-11-23 21:23:34,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:34,110 INFO L225 Difference]: With dead ends: 193 [2023-11-23 21:23:34,110 INFO L226 Difference]: Without dead ends: 96 [2023-11-23 21:23:34,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:23:34,119 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:34,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:23:34,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-11-23 21:23:34,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2023-11-23 21:23:34,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 55 states have (on average 1.3636363636363635) internal successors, (75), 55 states have internal predecessors, (75), 39 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2023-11-23 21:23:34,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 153 transitions. [2023-11-23 21:23:34,178 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 153 transitions. Word has length 238 [2023-11-23 21:23:34,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:34,179 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 153 transitions. [2023-11-23 21:23:34,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-11-23 21:23:34,179 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 153 transitions. [2023-11-23 21:23:34,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2023-11-23 21:23:34,186 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:34,186 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:34,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-23 21:23:34,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:23:34,395 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:34,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:34,396 INFO L85 PathProgramCache]: Analyzing trace with hash 809627323, now seen corresponding path program 1 times [2023-11-23 21:23:34,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:23:34,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [385385511] [2023-11-23 21:23:34,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:34,398 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:23:34,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:23:34,400 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:23:34,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:23:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:34,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:23:34,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:35,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2964 trivial. 0 not checked. [2023-11-23 21:23:35,550 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:23:35,550 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:23:35,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [385385511] [2023-11-23 21:23:35,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [385385511] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:35,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:35,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:23:35,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564741194] [2023-11-23 21:23:35,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:35,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:23:35,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:23:35,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:23:35,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:23:35,565 INFO L87 Difference]: Start difference. First operand 96 states and 153 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2023-11-23 21:23:35,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:35,931 INFO L93 Difference]: Finished difference Result 268 states and 430 transitions. [2023-11-23 21:23:35,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:23:35,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) Word has length 239 [2023-11-23 21:23:35,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:35,937 INFO L225 Difference]: With dead ends: 268 [2023-11-23 21:23:35,938 INFO L226 Difference]: Without dead ends: 173 [2023-11-23 21:23:35,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:23:35,941 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 20 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:35,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 261 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 21:23:35,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2023-11-23 21:23:35,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 162. [2023-11-23 21:23:35,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 81 states have (on average 1.2469135802469136) internal successors, (101), 81 states have internal predecessors, (101), 78 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2023-11-23 21:23:35,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 257 transitions. [2023-11-23 21:23:35,983 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 257 transitions. Word has length 239 [2023-11-23 21:23:35,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:35,984 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 257 transitions. [2023-11-23 21:23:35,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2023-11-23 21:23:35,985 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 257 transitions. [2023-11-23 21:23:35,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2023-11-23 21:23:35,989 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:35,990 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:36,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:23:36,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:23:36,199 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:36,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:36,200 INFO L85 PathProgramCache]: Analyzing trace with hash 386925497, now seen corresponding path program 1 times [2023-11-23 21:23:36,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:23:36,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2021581930] [2023-11-23 21:23:36,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:36,201 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:23:36,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:23:36,203 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:23:36,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 21:23:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:36,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:23:36,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:37,198 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2964 trivial. 0 not checked. [2023-11-23 21:23:37,198 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:23:37,199 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:23:37,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2021581930] [2023-11-23 21:23:37,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2021581930] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:37,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:37,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:23:37,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942531128] [2023-11-23 21:23:37,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:37,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:23:37,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:23:37,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:23:37,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:23:37,203 INFO L87 Difference]: Start difference. First operand 162 states and 257 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2023-11-23 21:23:37,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:37,388 INFO L93 Difference]: Finished difference Result 350 states and 557 transitions. [2023-11-23 21:23:37,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:23:37,389 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) Word has length 239 [2023-11-23 21:23:37,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:37,394 INFO L225 Difference]: With dead ends: 350 [2023-11-23 21:23:37,395 INFO L226 Difference]: Without dead ends: 255 [2023-11-23 21:23:37,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:23:37,397 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 23 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:37,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 288 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:23:37,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2023-11-23 21:23:37,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 253. [2023-11-23 21:23:37,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 132 states have (on average 1.2575757575757576) internal successors, (166), 132 states have internal predecessors, (166), 117 states have call successors, (117), 3 states have call predecessors, (117), 3 states have return successors, (117), 117 states have call predecessors, (117), 117 states have call successors, (117) [2023-11-23 21:23:37,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 400 transitions. [2023-11-23 21:23:37,457 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 400 transitions. Word has length 239 [2023-11-23 21:23:37,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:37,458 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 400 transitions. [2023-11-23 21:23:37,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2023-11-23 21:23:37,459 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 400 transitions. [2023-11-23 21:23:37,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-11-23 21:23:37,463 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:37,464 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:37,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:23:37,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:23:37,673 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:37,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:37,675 INFO L85 PathProgramCache]: Analyzing trace with hash -710212686, now seen corresponding path program 1 times [2023-11-23 21:23:37,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:23:37,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1405224662] [2023-11-23 21:23:37,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:37,676 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:23:37,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:23:37,678 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:23:37,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 21:23:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:37,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:23:38,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:39,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2964 trivial. 0 not checked. [2023-11-23 21:23:39,889 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:23:39,889 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:23:39,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1405224662] [2023-11-23 21:23:39,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1405224662] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:39,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:39,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:23:39,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997552451] [2023-11-23 21:23:39,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:39,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:23:39,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:23:39,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:23:39,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:23:39,901 INFO L87 Difference]: Start difference. First operand 253 states and 400 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2023-11-23 21:23:40,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:40,160 INFO L93 Difference]: Finished difference Result 453 states and 716 transitions. [2023-11-23 21:23:40,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:23:40,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) Word has length 240 [2023-11-23 21:23:40,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:40,166 INFO L225 Difference]: With dead ends: 453 [2023-11-23 21:23:40,166 INFO L226 Difference]: Without dead ends: 267 [2023-11-23 21:23:40,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:23:40,168 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 15 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:40,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 287 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:23:40,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2023-11-23 21:23:40,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 257. [2023-11-23 21:23:40,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 136 states have (on average 1.2573529411764706) internal successors, (171), 136 states have internal predecessors, (171), 117 states have call successors, (117), 3 states have call predecessors, (117), 3 states have return successors, (117), 117 states have call predecessors, (117), 117 states have call successors, (117) [2023-11-23 21:23:40,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 405 transitions. [2023-11-23 21:23:40,226 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 405 transitions. Word has length 240 [2023-11-23 21:23:40,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:40,227 INFO L495 AbstractCegarLoop]: Abstraction has 257 states and 405 transitions. [2023-11-23 21:23:40,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2023-11-23 21:23:40,228 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 405 transitions. [2023-11-23 21:23:40,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-11-23 21:23:40,234 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:40,234 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:40,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:23:40,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:23:40,443 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:40,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:40,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1590609904, now seen corresponding path program 1 times [2023-11-23 21:23:40,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:23:40,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [579505814] [2023-11-23 21:23:40,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:40,446 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:23:40,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:23:40,447 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:23:40,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-23 21:23:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:40,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 21:23:40,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:42,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 1151 proven. 48 refuted. 0 times theorem prover too weak. 1765 trivial. 0 not checked. [2023-11-23 21:23:42,502 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:23:43,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 174 proven. 51 refuted. 0 times theorem prover too weak. 2739 trivial. 0 not checked. [2023-11-23 21:23:43,495 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:23:43,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [579505814] [2023-11-23 21:23:43,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [579505814] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:23:43,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1959322028] [2023-11-23 21:23:43,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:43,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:23:43,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:23:43,499 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:23:43,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-23 21:23:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:44,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:23:44,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:44,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2964 trivial. 0 not checked. [2023-11-23 21:23:44,384 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:23:44,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1959322028] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:44,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:23:44,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8, 9] total 18 [2023-11-23 21:23:44,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113562020] [2023-11-23 21:23:44,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:44,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:23:44,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:23:44,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:23:44,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2023-11-23 21:23:44,388 INFO L87 Difference]: Start difference. First operand 257 states and 405 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2023-11-23 21:23:45,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:45,245 INFO L93 Difference]: Finished difference Result 625 states and 987 transitions. [2023-11-23 21:23:45,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:23:45,246 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) Word has length 240 [2023-11-23 21:23:45,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:45,252 INFO L225 Difference]: With dead ends: 625 [2023-11-23 21:23:45,252 INFO L226 Difference]: Without dead ends: 439 [2023-11-23 21:23:45,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 718 GetRequests, 701 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2023-11-23 21:23:45,255 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 177 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:45,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 505 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-23 21:23:45,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2023-11-23 21:23:45,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 428. [2023-11-23 21:23:45,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 227 states have (on average 1.2202643171806167) internal successors, (277), 227 states have internal predecessors, (277), 195 states have call successors, (195), 5 states have call predecessors, (195), 5 states have return successors, (195), 195 states have call predecessors, (195), 195 states have call successors, (195) [2023-11-23 21:23:45,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 667 transitions. [2023-11-23 21:23:45,323 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 667 transitions. Word has length 240 [2023-11-23 21:23:45,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:45,324 INFO L495 AbstractCegarLoop]: Abstraction has 428 states and 667 transitions. [2023-11-23 21:23:45,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2023-11-23 21:23:45,324 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 667 transitions. [2023-11-23 21:23:45,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-11-23 21:23:45,328 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:45,329 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:45,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-23 21:23:45,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-23 21:23:45,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/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=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 21:23:45,737 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:45,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:45,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1197582894, now seen corresponding path program 1 times [2023-11-23 21:23:45,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:23:45,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2054403379] [2023-11-23 21:23:45,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:45,739 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:23:45,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:23:45,741 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:23:45,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/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 (8)] Waiting until timeout for monitored process [2023-11-23 21:23:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:46,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 21:23:46,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:47,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 1151 proven. 48 refuted. 0 times theorem prover too weak. 1765 trivial. 0 not checked. [2023-11-23 21:23:47,808 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:23:48,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 174 proven. 51 refuted. 0 times theorem prover too weak. 2739 trivial. 0 not checked. [2023-11-23 21:23:48,768 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:23:48,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2054403379] [2023-11-23 21:23:48,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2054403379] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:23:48,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [379144740] [2023-11-23 21:23:48,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:48,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:23:48,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:23:48,772 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:23:48,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-23 21:23:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:49,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:23:49,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:49,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2964 trivial. 0 not checked. [2023-11-23 21:23:49,809 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:23:49,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [379144740] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:49,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:23:49,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 9] total 19 [2023-11-23 21:23:49,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118443208] [2023-11-23 21:23:49,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:49,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:23:49,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:23:49,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:23:49,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2023-11-23 21:23:49,812 INFO L87 Difference]: Start difference. First operand 428 states and 667 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2023-11-23 21:23:50,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:50,930 INFO L93 Difference]: Finished difference Result 883 states and 1356 transitions. [2023-11-23 21:23:50,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:23:50,931 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) Word has length 240 [2023-11-23 21:23:50,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:50,937 INFO L225 Difference]: With dead ends: 883 [2023-11-23 21:23:50,937 INFO L226 Difference]: Without dead ends: 526 [2023-11-23 21:23:50,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 718 GetRequests, 700 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2023-11-23 21:23:50,941 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 156 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:50,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 434 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-23 21:23:50,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2023-11-23 21:23:50,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 458. [2023-11-23 21:23:51,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 253 states have (on average 1.2134387351778657) internal successors, (307), 253 states have internal predecessors, (307), 195 states have call successors, (195), 9 states have call predecessors, (195), 9 states have return successors, (195), 195 states have call predecessors, (195), 195 states have call successors, (195) [2023-11-23 21:23:51,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 697 transitions. [2023-11-23 21:23:51,006 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 697 transitions. Word has length 240 [2023-11-23 21:23:51,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:51,007 INFO L495 AbstractCegarLoop]: Abstraction has 458 states and 697 transitions. [2023-11-23 21:23:51,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2023-11-23 21:23:51,007 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 697 transitions. [2023-11-23 21:23:51,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-11-23 21:23:51,011 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:51,011 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:51,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-23 21:23:51,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/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 (8)] Forceful destruction successful, exit code 0 [2023-11-23 21:23:51,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:23:51,418 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:51,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:51,419 INFO L85 PathProgramCache]: Analyzing trace with hash 198545231, now seen corresponding path program 1 times [2023-11-23 21:23:51,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:23:51,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1164575252] [2023-11-23 21:23:51,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:51,419 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:23:51,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:23:51,420 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:23:51,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/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 (10)] Waiting until timeout for monitored process [2023-11-23 21:23:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:51,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 21:23:51,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:53,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 1151 proven. 48 refuted. 0 times theorem prover too weak. 1765 trivial. 0 not checked. [2023-11-23 21:23:53,434 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:23:54,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 174 proven. 51 refuted. 0 times theorem prover too weak. 2739 trivial. 0 not checked. [2023-11-23 21:23:54,335 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:23:54,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1164575252] [2023-11-23 21:23:54,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1164575252] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:23:54,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [680843459] [2023-11-23 21:23:54,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:54,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:23:54,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:23:54,340 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:23:54,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-23 21:23:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:55,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 21:23:55,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:56,407 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 1140 proven. 27 refuted. 0 times theorem prover too weak. 1797 trivial. 0 not checked. [2023-11-23 21:23:56,408 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:23:57,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 87 proven. 27 refuted. 0 times theorem prover too weak. 2850 trivial. 0 not checked. [2023-11-23 21:23:57,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [680843459] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:23:57,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380896997] [2023-11-23 21:23:57,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:57,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:23:57,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:57,028 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:23:57,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-23 21:23:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:57,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 21:23:57,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:58,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 1151 proven. 48 refuted. 0 times theorem prover too weak. 1765 trivial. 0 not checked. [2023-11-23 21:23:58,376 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:23:59,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 174 proven. 51 refuted. 0 times theorem prover too weak. 2739 trivial. 0 not checked. [2023-11-23 21:23:59,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1380896997] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:23:59,007 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-23 21:23:59,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 5, 6, 8, 9] total 16 [2023-11-23 21:23:59,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095643468] [2023-11-23 21:23:59,008 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-23 21:23:59,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-23 21:23:59,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:23:59,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-23 21:23:59,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=149, Unknown=0, NotChecked=0, Total=240 [2023-11-23 21:23:59,013 INFO L87 Difference]: Start difference. First operand 458 states and 697 transitions. Second operand has 16 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 6 states have call successors, (87), 4 states have call predecessors, (87), 8 states have return successors, (89), 6 states have call predecessors, (89), 6 states have call successors, (89) [2023-11-23 21:24:00,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:24:00,826 INFO L93 Difference]: Finished difference Result 894 states and 1331 transitions. [2023-11-23 21:24:00,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 21:24:00,827 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 6 states have call successors, (87), 4 states have call predecessors, (87), 8 states have return successors, (89), 6 states have call predecessors, (89), 6 states have call successors, (89) Word has length 240 [2023-11-23 21:24:00,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:24:00,832 INFO L225 Difference]: With dead ends: 894 [2023-11-23 21:24:00,832 INFO L226 Difference]: Without dead ends: 507 [2023-11-23 21:24:00,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1443 GetRequests, 1421 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=219, Invalid=333, Unknown=0, NotChecked=0, Total=552 [2023-11-23 21:24:00,835 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 194 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:24:00,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 337 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-23 21:24:00,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2023-11-23 21:24:00,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 482. [2023-11-23 21:24:00,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 271 states have (on average 1.188191881918819) internal successors, (322), 271 states have internal predecessors, (322), 195 states have call successors, (195), 15 states have call predecessors, (195), 15 states have return successors, (195), 195 states have call predecessors, (195), 195 states have call successors, (195) [2023-11-23 21:24:00,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 712 transitions. [2023-11-23 21:24:00,895 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 712 transitions. Word has length 240 [2023-11-23 21:24:00,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:24:00,896 INFO L495 AbstractCegarLoop]: Abstraction has 482 states and 712 transitions. [2023-11-23 21:24:00,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 6 states have call successors, (87), 4 states have call predecessors, (87), 8 states have return successors, (89), 6 states have call predecessors, (89), 6 states have call successors, (89) [2023-11-23 21:24:00,897 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 712 transitions. [2023-11-23 21:24:00,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-11-23 21:24:00,899 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:00,899 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:24:00,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-11-23 21:24:01,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/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 (10)] Forceful destruction successful, exit code 0 [2023-11-23 21:24:01,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-23 21:24:01,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/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=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:24:01,506 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:24:01,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:01,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1389802671, now seen corresponding path program 1 times [2023-11-23 21:24:01,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:24:01,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1680172076] [2023-11-23 21:24:01,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:01,507 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:24:01,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:24:01,509 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:24:01,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd62a8a8-ddfd-4e7c-bf09-6dd931ebd19c/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 (13)] Waiting until timeout for monitored process [2023-11-23 21:24:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:01,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-23 21:24:01,802 INFO L285 TraceCheckSpWp]: Computing forward predicates...