./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-79.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-79.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ --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 cd8885ac41c62f773245cba90ab11a911b6bfaa88e51237315a4bb24a1d31893 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:03:01,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:03:01,223 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:03:01,228 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:03:01,229 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:03:01,257 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:03:01,257 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:03:01,258 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:03:01,259 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:03:01,259 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:03:01,260 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:03:01,261 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:03:01,261 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:03:01,262 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:03:01,262 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:03:01,263 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:03:01,263 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:03:01,264 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:03:01,264 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:03:01,265 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:03:01,266 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:03:01,266 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:03:01,267 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:03:01,268 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:03:01,268 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:03:01,269 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:03:01,269 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:03:01,270 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:03:01,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:03:01,271 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:03:01,271 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:03:01,272 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:03:01,272 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:03:01,272 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:03:01,273 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:03:01,273 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:03:01,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:03:01,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:03:01,275 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:03:01,275 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:03:01,276 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:03:01,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:03:01,277 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:03:01,277 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:03:01,277 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:03:01,278 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_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd8885ac41c62f773245cba90ab11a911b6bfaa88e51237315a4bb24a1d31893 [2023-11-19 05:03:01,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:03:01,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:03:01,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:03:01,570 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:03:01,571 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:03:01,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-79.i [2023-11-19 05:03:04,773 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:03:05,084 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:03:05,088 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-79.i [2023-11-19 05:03:05,105 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/data/289d28f79/28c9d4d87da64e9b82c308806d459a5f/FLAGf94910573 [2023-11-19 05:03:05,125 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/data/289d28f79/28c9d4d87da64e9b82c308806d459a5f [2023-11-19 05:03:05,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:03:05,135 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:03:05,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:03:05,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:03:05,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:03:05,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:03:05" (1/1) ... [2023-11-19 05:03:05,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35d0343b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:05, skipping insertion in model container [2023-11-19 05:03:05,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:03:05" (1/1) ... [2023-11-19 05:03:05,202 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:03:05,397 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_77aab460-5bde-417c-b978-2e75bb247a75/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-79.i[915,928] [2023-11-19 05:03:05,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:03:05,520 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:03:05,539 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_77aab460-5bde-417c-b978-2e75bb247a75/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-79.i[915,928] [2023-11-19 05:03:05,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:03:05,625 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:03:05,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:05 WrapperNode [2023-11-19 05:03:05,625 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:03:05,627 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:03:05,627 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:03:05,627 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:03:05,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:05" (1/1) ... [2023-11-19 05:03:05,654 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:05" (1/1) ... [2023-11-19 05:03:05,707 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 168 [2023-11-19 05:03:05,707 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:03:05,708 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:03:05,709 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:03:05,709 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:03:05,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:05" (1/1) ... [2023-11-19 05:03:05,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:05" (1/1) ... [2023-11-19 05:03:05,728 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:05" (1/1) ... [2023-11-19 05:03:05,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:05" (1/1) ... [2023-11-19 05:03:05,744 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:05" (1/1) ... [2023-11-19 05:03:05,748 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:05" (1/1) ... [2023-11-19 05:03:05,751 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:05" (1/1) ... [2023-11-19 05:03:05,754 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:05" (1/1) ... [2023-11-19 05:03:05,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:03:05,761 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:03:05,761 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:03:05,761 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:03:05,762 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:05" (1/1) ... [2023-11-19 05:03:05,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:03:05,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:03:05,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:03:05,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:03:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:03:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:03:05,849 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:03:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:03:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:03:05,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:03:05,984 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:03:05,987 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:03:06,501 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:03:06,752 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:03:06,752 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:03:06,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:03:06 BoogieIcfgContainer [2023-11-19 05:03:06,757 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:03:06,760 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:03:06,760 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:03:06,763 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:03:06,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:03:05" (1/3) ... [2023-11-19 05:03:06,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b1d639b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:03:06, skipping insertion in model container [2023-11-19 05:03:06,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:05" (2/3) ... [2023-11-19 05:03:06,765 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b1d639b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:03:06, skipping insertion in model container [2023-11-19 05:03:06,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:03:06" (3/3) ... [2023-11-19 05:03:06,766 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-79.i [2023-11-19 05:03:06,786 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:03:06,787 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:03:06,839 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:03:06,847 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;@11dca1fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:03:06,847 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:03:06,851 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 05:03:06,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-19 05:03:06,862 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:03:06,863 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:03:06,863 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:03:06,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:03:06,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1912048951, now seen corresponding path program 1 times [2023-11-19 05:03:06,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:03:06,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403083388] [2023-11-19 05:03:06,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:03:06,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:03:07,052 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:03:07,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [397790872] [2023-11-19 05:03:07,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:03:07,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:03:07,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:03:07,056 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:03:07,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:03:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:03:07,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:03:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:03:07,526 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:03:07,529 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:03:07,534 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:03:07,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:03:07,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:03:07,769 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:03:07,772 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:03:07,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:03:07 BoogieIcfgContainer [2023-11-19 05:03:07,929 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:03:07,930 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:03:07,930 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:03:07,930 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:03:07,931 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:03:06" (3/4) ... [2023-11-19 05:03:07,933 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:03:07,934 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:03:07,935 INFO L158 Benchmark]: Toolchain (without parser) took 2799.83ms. Allocated memory is still 155.2MB. Free memory was 116.9MB in the beginning and 72.9MB in the end (delta: 44.1MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2023-11-19 05:03:07,936 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:03:07,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 486.16ms. Allocated memory is still 155.2MB. Free memory was 116.4MB in the beginning and 101.6MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:03:07,938 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.68ms. Allocated memory is still 155.2MB. Free memory was 101.6MB in the beginning and 97.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:03:07,939 INFO L158 Benchmark]: Boogie Preprocessor took 51.89ms. Allocated memory is still 155.2MB. Free memory was 97.5MB in the beginning and 95.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:03:07,939 INFO L158 Benchmark]: RCFGBuilder took 996.55ms. Allocated memory is still 155.2MB. Free memory was 94.9MB in the beginning and 119.9MB in the end (delta: -25.1MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2023-11-19 05:03:07,940 INFO L158 Benchmark]: TraceAbstraction took 1169.49ms. Allocated memory is still 155.2MB. Free memory was 119.1MB in the beginning and 72.9MB in the end (delta: 46.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-19 05:03:07,941 INFO L158 Benchmark]: Witness Printer took 4.14ms. Allocated memory is still 155.2MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:03:07,944 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 486.16ms. Allocated memory is still 155.2MB. Free memory was 116.4MB in the beginning and 101.6MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.68ms. Allocated memory is still 155.2MB. Free memory was 101.6MB in the beginning and 97.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.89ms. Allocated memory is still 155.2MB. Free memory was 97.5MB in the beginning and 95.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 996.55ms. Allocated memory is still 155.2MB. Free memory was 94.9MB in the beginning and 119.9MB in the end (delta: -25.1MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1169.49ms. Allocated memory is still 155.2MB. Free memory was 119.1MB in the beginning and 72.9MB in the end (delta: 46.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 4.14ms. Allocated memory is still 155.2MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryFLOATComparisonOperation at line 145, overapproximation of someUnaryDOUBLEoperation at line 73. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 2; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_7 = 50; [L26] unsigned char var_1_8 = 0; [L27] double var_1_9 = 127.625; [L28] double var_1_10 = 256.8; [L29] double var_1_11 = 0.30000000000000004; [L30] signed long int var_1_12 = -2; [L31] double var_1_13 = 2.475; [L32] double var_1_14 = 25.2; [L33] double var_1_15 = 500.125; [L34] double var_1_16 = 10.75; [L35] double var_1_17 = 255.4; [L36] unsigned char var_1_18 = 1; [L37] unsigned char var_1_19 = 0; [L38] unsigned char var_1_20 = 100; [L39] unsigned char var_1_21 = 128; [L40] unsigned char var_1_22 = 0; [L41] unsigned char var_1_23 = 1; [L42] unsigned char var_1_24 = 8; [L43] unsigned char var_1_25 = 10; [L44] float var_1_26 = 16.8; [L45] unsigned long int var_1_27 = 64; [L46] unsigned char last_1_var_1_18 = 1; [L47] unsigned char last_1_var_1_20 = 100; [L149] isInitial = 1 [L150] FCALL initially() [L151] int k_loop; [L152] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L152] COND TRUE k_loop < 1 [L153] CALL updateLastVariables() [L141] last_1_var_1_18 = var_1_18 [L142] last_1_var_1_20 = var_1_20 [L153] RET updateLastVariables() [L154] CALL updateVariables() [L98] var_1_2 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L100] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L101] var_1_3 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L103] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L104] var_1_8 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L106] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L107] var_1_10 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L109] var_1_11 = __VERIFIER_nondet_double() [L110] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L111] var_1_13 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L113] var_1_14 = __VERIFIER_nondet_double() [L114] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L115] var_1_15 = __VERIFIER_nondet_double() [L116] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L117] var_1_16 = __VERIFIER_nondet_double() [L118] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427387900e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427387900e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L119] var_1_17 = __VERIFIER_nondet_double() [L120] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427387900e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=7, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427387900e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=7, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L121] var_1_19 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=7, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=7, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L123] CALL assume_abort_if_not(var_1_19 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=7, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_19 <= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=7, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L124] var_1_21 = __VERIFIER_nondet_uchar() [L125] CALL assume_abort_if_not(var_1_21 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=7, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_21 >= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=7, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L126] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=7, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=7, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L127] var_1_22 = __VERIFIER_nondet_uchar() [L128] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=7, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=1, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=7, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=1, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L129] CALL assume_abort_if_not(var_1_22 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=7, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=1, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_22 <= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=7, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=1, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L130] var_1_23 = __VERIFIER_nondet_uchar() [L131] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=7, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=1, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=7, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=1, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L132] CALL assume_abort_if_not(var_1_23 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=7, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=1, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_23 <= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=7, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=1, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L133] var_1_24 = __VERIFIER_nondet_uchar() [L134] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=7, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=1, var_1_23=1, var_1_24=127, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=7, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=1, var_1_23=1, var_1_24=127, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L135] CALL assume_abort_if_not(var_1_24 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=7, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=1, var_1_23=1, var_1_24=127, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_24 <= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=7, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=1, var_1_23=1, var_1_24=127, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L136] var_1_25 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=7, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=1, var_1_23=1, var_1_24=127, var_1_25=0, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=7, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=1, var_1_23=1, var_1_24=127, var_1_25=0, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L138] CALL assume_abort_if_not(var_1_25 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=7, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=1, var_1_23=1, var_1_24=127, var_1_25=0, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_25 <= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=7, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=1, var_1_23=1, var_1_24=127, var_1_25=0, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L154] RET updateVariables() [L155] CALL step() [L51] signed long int stepLocal_1 = last_1_var_1_20; [L52] unsigned char stepLocal_0 = last_1_var_1_18; [L53] COND TRUE stepLocal_0 && last_1_var_1_18 [L54] COND FALSE !(((((last_1_var_1_20) < ((last_1_var_1_20 * last_1_var_1_20))) ? (last_1_var_1_20) : ((last_1_var_1_20 * last_1_var_1_20)))) > stepLocal_1) [L57] var_1_7 = var_1_8 [L62] COND FALSE !(\read(var_1_3)) [L67] var_1_26 = var_1_16 [L68] var_1_27 = 10u [L69] unsigned long int stepLocal_2 = var_1_27; [L70] COND TRUE stepLocal_2 != (var_1_8 + var_1_7) [L71] var_1_9 = ((((var_1_10) < (((((var_1_11) < (32.6)) ? (var_1_11) : (32.6))))) ? (var_1_10) : (((((var_1_11) < (32.6)) ? (var_1_11) : (32.6)))))) [L75] COND TRUE var_1_8 >= var_1_7 [L76] COND FALSE !(var_1_15 >= var_1_26) [L79] var_1_20 = var_1_24 [L84] COND TRUE \read(var_1_18) [L85] COND FALSE !(! var_1_18) [L88] var_1_1 = (var_1_20 - var_1_20) [L93] COND FALSE !((var_1_13 - var_1_14) >= (var_1_15 - (var_1_16 + var_1_17))) [L155] RET step() [L156] CALL, EXPR property() [L145-L146] return (((((((var_1_18 ? ((! var_1_18) ? (var_1_1 == ((signed short int) (var_1_7 + 5))) : (var_1_1 == ((signed short int) (var_1_20 - var_1_20)))) : (var_1_1 == ((signed short int) var_1_20))) && ((last_1_var_1_18 && last_1_var_1_18) ? ((((((last_1_var_1_20) < ((last_1_var_1_20 * last_1_var_1_20))) ? (last_1_var_1_20) : ((last_1_var_1_20 * last_1_var_1_20)))) > last_1_var_1_20) ? (var_1_7 == ((unsigned char) var_1_8)) : (var_1_7 == ((unsigned char) var_1_8))) : (var_1_7 == ((unsigned char) var_1_8)))) && ((var_1_27 != (var_1_8 + var_1_7)) ? (var_1_9 == ((double) ((((var_1_10) < (((((var_1_11) < (32.6)) ? (var_1_11) : (32.6))))) ? (var_1_10) : (((((var_1_11) < (32.6)) ? (var_1_11) : (32.6)))))))) : (var_1_9 == ((double) ((((var_1_11) < (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))))) ? (var_1_11) : (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))))))))) && (((var_1_13 - var_1_14) >= (var_1_15 - (var_1_16 + var_1_17))) ? (var_1_12 == ((signed long int) (var_1_20 + var_1_20))) : 1)) && (var_1_3 ? (var_1_2 ? (var_1_18 == ((unsigned char) (! var_1_19))) : 1) : 1)) && ((var_1_8 >= var_1_7) ? ((var_1_15 >= var_1_26) ? (var_1_20 == ((unsigned char) (var_1_21 - ((((((((var_1_22) < (var_1_23)) ? (var_1_22) : (var_1_23)))) > (((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))))) ? (((((var_1_22) < (var_1_23)) ? (var_1_22) : (var_1_23)))) : (((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))))))))) : (var_1_20 == ((unsigned char) var_1_24))) : (var_1_20 == ((unsigned char) var_1_22)))) && (var_1_26 == ((float) var_1_16))) && (var_1_27 == ((unsigned long int) 10u)) ; [L156] RET, EXPR property() [L156] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=7, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=127, var_1_21=128, var_1_22=1, var_1_23=1, var_1_24=127, var_1_25=0, var_1_26=6, var_1_27=10, var_1_2=1, var_1_3=0, var_1_7=0, var_1_8=0, var_1_9=8] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=8, var_1_11=2, var_1_12=-2, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=6, var_1_17=7, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=127, var_1_21=128, var_1_22=1, var_1_23=1, var_1_24=127, var_1_25=0, var_1_26=6, var_1_27=10, var_1_2=1, var_1_3=0, var_1_7=0, var_1_8=0, var_1_9=8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 25, 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=50occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 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 [2023-11-19 05:03:07,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/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_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-79.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ --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 cd8885ac41c62f773245cba90ab11a911b6bfaa88e51237315a4bb24a1d31893 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:03:10,772 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:03:10,911 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:03:10,920 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:03:10,921 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:03:10,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:03:10,970 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:03:10,970 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:03:10,972 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:03:10,977 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:03:10,978 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:03:10,979 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:03:10,979 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:03:10,981 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:03:10,982 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:03:10,982 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:03:10,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:03:10,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:03:10,984 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:03:10,986 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:03:10,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:03:10,987 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:03:10,987 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:03:10,988 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:03:10,988 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:03:10,989 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:03:10,989 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:03:10,989 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:03:10,990 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:03:10,990 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:03:10,992 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:03:10,992 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:03:10,993 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:03:10,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:03:10,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:03:10,994 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:03:10,994 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:03:10,994 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:03:10,995 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:03:10,996 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:03:10,996 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:03:10,996 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:03:10,997 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_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd8885ac41c62f773245cba90ab11a911b6bfaa88e51237315a4bb24a1d31893 [2023-11-19 05:03:11,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:03:11,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:03:11,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:03:11,464 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:03:11,465 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:03:11,467 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-79.i [2023-11-19 05:03:14,810 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:03:15,145 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:03:15,146 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-79.i [2023-11-19 05:03:15,176 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/data/58e9c928d/861f408d6e904845b1d6b8b327bca981/FLAG0b0722f33 [2023-11-19 05:03:15,191 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/data/58e9c928d/861f408d6e904845b1d6b8b327bca981 [2023-11-19 05:03:15,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:03:15,196 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:03:15,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:03:15,197 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:03:15,203 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:03:15,204 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:03:15" (1/1) ... [2023-11-19 05:03:15,205 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4685f246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:15, skipping insertion in model container [2023-11-19 05:03:15,205 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:03:15" (1/1) ... [2023-11-19 05:03:15,241 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:03:15,413 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_77aab460-5bde-417c-b978-2e75bb247a75/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-79.i[915,928] [2023-11-19 05:03:15,524 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:03:15,545 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:03:15,563 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_77aab460-5bde-417c-b978-2e75bb247a75/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-79.i[915,928] [2023-11-19 05:03:15,629 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:03:15,652 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:03:15,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:15 WrapperNode [2023-11-19 05:03:15,653 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:03:15,654 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:03:15,655 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:03:15,655 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:03:15,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:15" (1/1) ... [2023-11-19 05:03:15,690 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:15" (1/1) ... [2023-11-19 05:03:15,736 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 168 [2023-11-19 05:03:15,738 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:03:15,739 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:03:15,739 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:03:15,739 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:03:15,749 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:15" (1/1) ... [2023-11-19 05:03:15,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:15" (1/1) ... [2023-11-19 05:03:15,765 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:15" (1/1) ... [2023-11-19 05:03:15,766 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:15" (1/1) ... [2023-11-19 05:03:15,792 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:15" (1/1) ... [2023-11-19 05:03:15,806 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:15" (1/1) ... [2023-11-19 05:03:15,809 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:15" (1/1) ... [2023-11-19 05:03:15,812 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:15" (1/1) ... [2023-11-19 05:03:15,826 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:03:15,826 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:03:15,827 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:03:15,827 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:03:15,828 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:15" (1/1) ... [2023-11-19 05:03:15,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:03:15,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:03:15,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:03:15,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:03:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:03:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:03:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:03:15,901 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:03:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:03:15,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:03:16,026 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:03:16,028 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:03:22,490 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:03:22,502 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:03:22,506 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:03:22,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:03:22 BoogieIcfgContainer [2023-11-19 05:03:22,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:03:22,514 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:03:22,514 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:03:22,518 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:03:22,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:03:15" (1/3) ... [2023-11-19 05:03:22,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49871f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:03:22, skipping insertion in model container [2023-11-19 05:03:22,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:15" (2/3) ... [2023-11-19 05:03:22,520 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49871f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:03:22, skipping insertion in model container [2023-11-19 05:03:22,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:03:22" (3/3) ... [2023-11-19 05:03:22,522 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-79.i [2023-11-19 05:03:22,542 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:03:22,542 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:03:22,606 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:03:22,612 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;@6590e86a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:03:22,612 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:03:22,617 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 45 states have internal predecessors, (59), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 05:03:22,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-19 05:03:22,634 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:03:22,635 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:03:22,636 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:03:22,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:03:22,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1641169731, now seen corresponding path program 1 times [2023-11-19 05:03:22,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:03:22,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [35573440] [2023-11-19 05:03:22,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:03:22,667 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 [2023-11-19 05:03:22,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:03:22,670 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:03:22,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:03:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:03:23,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:03:23,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:03:23,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 620 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2023-11-19 05:03:23,267 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:03:23,267 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:03:23,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [35573440] [2023-11-19 05:03:23,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [35573440] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:03:23,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:03:23,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:03:23,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692421356] [2023-11-19 05:03:23,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:03:23,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:03:23,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:03:23,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:03:23,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:03:23,309 INFO L87 Difference]: Start difference. First operand has 72 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 45 states have internal predecessors, (59), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-19 05:03:23,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:03:23,345 INFO L93 Difference]: Finished difference Result 141 states and 240 transitions. [2023-11-19 05:03:23,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:03:23,347 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 157 [2023-11-19 05:03:23,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:03:23,355 INFO L225 Difference]: With dead ends: 141 [2023-11-19 05:03:23,355 INFO L226 Difference]: Without dead ends: 68 [2023-11-19 05:03:23,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:03:23,363 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:03:23,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:03:23,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-19 05:03:23,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-19 05:03:23,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 41 states have internal predecessors, (52), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 05:03:23,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 102 transitions. [2023-11-19 05:03:23,413 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 102 transitions. Word has length 157 [2023-11-19 05:03:23,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:03:23,414 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 102 transitions. [2023-11-19 05:03:23,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-19 05:03:23,415 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 102 transitions. [2023-11-19 05:03:23,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-19 05:03:23,419 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:03:23,419 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:03:23,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:03:23,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:03:23,620 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:03:23,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:03:23,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1857591947, now seen corresponding path program 1 times [2023-11-19 05:03:23,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:03:23,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [66394453] [2023-11-19 05:03:23,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:03:23,623 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 [2023-11-19 05:03:23,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:03:23,625 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:03:23,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:03:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:03:24,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:03:24,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:03:25,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-19 05:03:25,434 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:03:25,435 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:03:25,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [66394453] [2023-11-19 05:03:25,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [66394453] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:03:25,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:03:25,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:03:25,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358358326] [2023-11-19 05:03:25,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:03:25,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:03:25,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:03:25,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:03:25,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:03:25,453 INFO L87 Difference]: Start difference. First operand 68 states and 102 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-19 05:03:28,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:03:29,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:03:31,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:03:31,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:03:31,852 INFO L93 Difference]: Finished difference Result 213 states and 321 transitions. [2023-11-19 05:03:31,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 05:03:31,879 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 157 [2023-11-19 05:03:31,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:03:31,884 INFO L225 Difference]: With dead ends: 213 [2023-11-19 05:03:31,884 INFO L226 Difference]: Without dead ends: 148 [2023-11-19 05:03:31,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:03:31,888 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 112 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 53 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:03:31,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 325 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 70 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2023-11-19 05:03:31,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2023-11-19 05:03:31,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 131. [2023-11-19 05:03:31,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 78 states have (on average 1.2435897435897436) internal successors, (97), 78 states have internal predecessors, (97), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-19 05:03:31,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 197 transitions. [2023-11-19 05:03:31,926 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 197 transitions. Word has length 157 [2023-11-19 05:03:31,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:03:31,927 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 197 transitions. [2023-11-19 05:03:31,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-19 05:03:31,928 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 197 transitions. [2023-11-19 05:03:31,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-19 05:03:31,931 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:03:31,932 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:03:31,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:03:32,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:03:32,145 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:03:32,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:03:32,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1646093457, now seen corresponding path program 1 times [2023-11-19 05:03:32,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:03:32,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1498682267] [2023-11-19 05:03:32,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:03:32,147 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 [2023-11-19 05:03:32,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:03:32,151 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:03:32,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:03:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:03:32,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 05:03:32,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:03:32,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-19 05:03:32,771 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:03:32,773 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:03:32,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1498682267] [2023-11-19 05:03:32,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1498682267] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:03:32,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:03:32,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:03:32,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524849800] [2023-11-19 05:03:32,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:03:32,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:03:32,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:03:32,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:03:32,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:03:32,789 INFO L87 Difference]: Start difference. First operand 131 states and 197 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-19 05:03:34,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:03:35,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:03:35,029 INFO L93 Difference]: Finished difference Result 275 states and 409 transitions. [2023-11-19 05:03:35,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:03:35,030 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 159 [2023-11-19 05:03:35,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:03:35,034 INFO L225 Difference]: With dead ends: 275 [2023-11-19 05:03:35,034 INFO L226 Difference]: Without dead ends: 147 [2023-11-19 05:03:35,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:03:35,037 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 33 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:03:35,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 182 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-19 05:03:35,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-11-19 05:03:35,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 146. [2023-11-19 05:03:35,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 87 states have (on average 1.1954022988505748) internal successors, (104), 88 states have internal predecessors, (104), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-19 05:03:35,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 212 transitions. [2023-11-19 05:03:35,077 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 212 transitions. Word has length 159 [2023-11-19 05:03:35,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:03:35,078 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 212 transitions. [2023-11-19 05:03:35,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-19 05:03:35,079 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 212 transitions. [2023-11-19 05:03:35,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-19 05:03:35,082 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:03:35,083 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:03:35,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-19 05:03:35,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:03:35,295 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:03:35,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:03:35,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1427163110, now seen corresponding path program 1 times [2023-11-19 05:03:35,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:03:35,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [975078632] [2023-11-19 05:03:35,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:03:35,298 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 [2023-11-19 05:03:35,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:03:35,299 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:03:35,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:03:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:03:35,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:03:35,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:03:36,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 612 proven. 30 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2023-11-19 05:03:36,403 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:03:36,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-19 05:03:36,920 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:03:36,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [975078632] [2023-11-19 05:03:36,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [975078632] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:03:36,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1612913139] [2023-11-19 05:03:36,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:03:36,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:03:36,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:03:36,924 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:03:36,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-19 05:03:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:03:38,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 05:03:38,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:03:39,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 612 proven. 30 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2023-11-19 05:03:39,095 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:03:39,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-19 05:03:39,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1612913139] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:03:39,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575722631] [2023-11-19 05:03:39,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:03:39,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:03:39,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:03:39,520 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:03:39,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 05:03:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:03:39,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 05:03:39,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:03:41,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 612 proven. 30 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2023-11-19 05:03:41,433 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:03:42,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-19 05:03:42,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575722631] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:03:42,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-19 05:03:42,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 7, 7] total 16 [2023-11-19 05:03:42,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629954738] [2023-11-19 05:03:42,115 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-19 05:03:42,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-19 05:03:42,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:03:42,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-19 05:03:42,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2023-11-19 05:03:42,119 INFO L87 Difference]: Start difference. First operand 146 states and 212 transitions. Second operand has 16 states, 16 states have (on average 5.875) internal successors, (94), 16 states have internal predecessors, (94), 5 states have call successors, (70), 4 states have call predecessors, (70), 8 states have return successors, (72), 5 states have call predecessors, (72), 5 states have call successors, (72) [2023-11-19 05:03:45,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:03:47,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:03:49,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:03:51,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:03:52,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:03:52,369 INFO L93 Difference]: Finished difference Result 235 states and 331 transitions. [2023-11-19 05:03:52,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-19 05:03:52,370 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.875) internal successors, (94), 16 states have internal predecessors, (94), 5 states have call successors, (70), 4 states have call predecessors, (70), 8 states have return successors, (72), 5 states have call predecessors, (72), 5 states have call successors, (72) Word has length 160 [2023-11-19 05:03:52,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:03:52,375 INFO L225 Difference]: With dead ends: 235 [2023-11-19 05:03:52,376 INFO L226 Difference]: Without dead ends: 166 [2023-11-19 05:03:52,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 963 GetRequests, 938 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=178, Invalid=374, Unknown=0, NotChecked=0, Total=552 [2023-11-19 05:03:52,378 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 281 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 229 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2023-11-19 05:03:52,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 139 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 155 Invalid, 4 Unknown, 0 Unchecked, 9.9s Time] [2023-11-19 05:03:52,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2023-11-19 05:03:52,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 154. [2023-11-19 05:03:52,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 93 states have (on average 1.1612903225806452) internal successors, (108), 94 states have internal predecessors, (108), 54 states have call successors, (54), 6 states have call predecessors, (54), 6 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-19 05:03:52,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 216 transitions. [2023-11-19 05:03:52,414 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 216 transitions. Word has length 160 [2023-11-19 05:03:52,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:03:52,416 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 216 transitions. [2023-11-19 05:03:52,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.875) internal successors, (94), 16 states have internal predecessors, (94), 5 states have call successors, (70), 4 states have call predecessors, (70), 8 states have return successors, (72), 5 states have call predecessors, (72), 5 states have call successors, (72) [2023-11-19 05:03:52,416 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 216 transitions. [2023-11-19 05:03:52,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-19 05:03:52,419 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:03:52,419 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:03:52,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 05:03:52,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-19 05:03:52,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:03:53,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:03:53,029 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:03:53,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:03:53,030 INFO L85 PathProgramCache]: Analyzing trace with hash 166909329, now seen corresponding path program 1 times [2023-11-19 05:03:53,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:03:53,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [591855174] [2023-11-19 05:03:53,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:03:53,031 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 [2023-11-19 05:03:53,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:03:53,032 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:03:53,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77aab460-5bde-417c-b978-2e75bb247a75/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:03:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:03:53,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 05:03:53,546 INFO L285 TraceCheckSpWp]: Computing forward predicates...