./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.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_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/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_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/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_9c4624fa-568c-40b9-bd7c-aa0af134e03a/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 a6e01815b85081eba7e0081229a01ecf7f6dda700f05238454388a259fe464fd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:07:59,778 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:07:59,863 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:07:59,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:07:59,871 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:07:59,909 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:07:59,910 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:07:59,910 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:07:59,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:07:59,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:07:59,913 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:07:59,913 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:07:59,914 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:07:59,915 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:07:59,915 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:07:59,916 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:07:59,916 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:07:59,920 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:07:59,921 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:07:59,922 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:07:59,926 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:07:59,928 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:07:59,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:07:59,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:07:59,932 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:07:59,932 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:07:59,932 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:07:59,933 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:07:59,933 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:07:59,934 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:07:59,935 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:07:59,935 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:07:59,936 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:07:59,936 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:07:59,936 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:07:59,936 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:07:59,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:07:59,937 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:07:59,937 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:07:59,937 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:07:59,938 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:07:59,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:07:59,938 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:07:59,939 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:07:59,940 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:07:59,940 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_9c4624fa-568c-40b9-bd7c-aa0af134e03a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6e01815b85081eba7e0081229a01ecf7f6dda700f05238454388a259fe464fd [2023-11-19 05:08:00,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:08:00,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:08:00,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:08:00,280 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:08:00,281 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:08:00,283 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i [2023-11-19 05:08:03,599 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:08:03,882 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:08:03,882 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i [2023-11-19 05:08:03,893 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/data/a1d26c7b7/e9cdb2d03d3244a7a9bc7b6f51abde60/FLAG056024c72 [2023-11-19 05:08:04,209 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/data/a1d26c7b7/e9cdb2d03d3244a7a9bc7b6f51abde60 [2023-11-19 05:08:04,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:08:04,213 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:08:04,215 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:04,215 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:08:04,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:08:04,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:04" (1/1) ... [2023-11-19 05:08:04,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23d43a96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:04, skipping insertion in model container [2023-11-19 05:08:04,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:04" (1/1) ... [2023-11-19 05:08:04,279 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:08:04,436 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_9c4624fa-568c-40b9-bd7c-aa0af134e03a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i[913,926] [2023-11-19 05:08:04,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:08:04,501 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:08:04,513 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_9c4624fa-568c-40b9-bd7c-aa0af134e03a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i[913,926] [2023-11-19 05:08:04,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:08:04,568 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:08:04,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:04 WrapperNode [2023-11-19 05:08:04,568 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:04,570 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:08:04,570 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:08:04,570 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:08:04,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:04" (1/1) ... [2023-11-19 05:08:04,587 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:04" (1/1) ... [2023-11-19 05:08:04,623 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 162 [2023-11-19 05:08:04,624 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:08:04,624 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:08:04,625 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:08:04,625 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:08:04,634 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:04" (1/1) ... [2023-11-19 05:08:04,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:04" (1/1) ... [2023-11-19 05:08:04,637 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:04" (1/1) ... [2023-11-19 05:08:04,638 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:04" (1/1) ... [2023-11-19 05:08:04,646 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:04" (1/1) ... [2023-11-19 05:08:04,650 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:04" (1/1) ... [2023-11-19 05:08:04,652 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:04" (1/1) ... [2023-11-19 05:08:04,654 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:04" (1/1) ... [2023-11-19 05:08:04,657 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:08:04,658 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:08:04,658 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:08:04,658 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:08:04,659 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:04" (1/1) ... [2023-11-19 05:08:04,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:08:04,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:08:04,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:08:04,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:08:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:08:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:08:04,752 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:08:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:08:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:08:04,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:08:04,878 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:08:04,880 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:08:05,346 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:08:05,585 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:08:05,586 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:08:05,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:08:05 BoogieIcfgContainer [2023-11-19 05:08:05,593 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:08:05,599 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:08:05,599 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:08:05,603 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:08:05,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:08:04" (1/3) ... [2023-11-19 05:08:05,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bca1e12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:08:05, skipping insertion in model container [2023-11-19 05:08:05,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:04" (2/3) ... [2023-11-19 05:08:05,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bca1e12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:08:05, skipping insertion in model container [2023-11-19 05:08:05,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:08:05" (3/3) ... [2023-11-19 05:08:05,610 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-29.i [2023-11-19 05:08:05,627 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:08:05,627 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:08:05,677 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:08:05,684 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;@4ee6d7e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:08:05,684 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:08:05,689 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 05:08:05,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-19 05:08:05,702 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:08:05,703 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:05,704 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:08:05,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:08:05,710 INFO L85 PathProgramCache]: Analyzing trace with hash 488140731, now seen corresponding path program 1 times [2023-11-19 05:08:05,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:08:05,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951254720] [2023-11-19 05:08:05,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:08:05,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:08:05,965 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:08:05,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1757682572] [2023-11-19 05:08:05,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:08:05,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:08:05,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:08:05,971 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:08:05,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:08:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:08:07,194 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:08:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:08:07,365 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:08:07,368 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:08:07,370 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:08:07,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:08:07,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:08:07,587 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:08:07,595 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:08:07,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:08:07 BoogieIcfgContainer [2023-11-19 05:08:07,787 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:08:07,789 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:08:07,789 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:08:07,789 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:08:07,790 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:08:05" (3/4) ... [2023-11-19 05:08:07,798 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:08:07,799 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:08:07,800 INFO L158 Benchmark]: Toolchain (without parser) took 3586.39ms. Allocated memory was 134.2MB in the beginning and 180.4MB in the end (delta: 46.1MB). Free memory was 90.3MB in the beginning and 145.7MB in the end (delta: -55.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:08:07,800 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 134.2MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:08:07,801 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.97ms. Allocated memory is still 134.2MB. Free memory was 90.0MB in the beginning and 76.8MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 05:08:07,801 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.96ms. Allocated memory is still 134.2MB. Free memory was 76.8MB in the beginning and 74.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:08:07,802 INFO L158 Benchmark]: Boogie Preprocessor took 33.02ms. Allocated memory is still 134.2MB. Free memory was 74.4MB in the beginning and 72.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:08:07,802 INFO L158 Benchmark]: RCFGBuilder took 934.56ms. Allocated memory was 134.2MB in the beginning and 180.4MB in the end (delta: 46.1MB). Free memory was 72.6MB in the beginning and 131.0MB in the end (delta: -58.4MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2023-11-19 05:08:07,803 INFO L158 Benchmark]: TraceAbstraction took 2188.66ms. Allocated memory is still 180.4MB. Free memory was 130.1MB in the beginning and 145.7MB in the end (delta: -15.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-19 05:08:07,803 INFO L158 Benchmark]: Witness Printer took 10.10ms. Allocated memory is still 180.4MB. Free memory is still 145.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:08:07,806 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 134.2MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.97ms. Allocated memory is still 134.2MB. Free memory was 90.0MB in the beginning and 76.8MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.96ms. Allocated memory is still 134.2MB. Free memory was 76.8MB in the beginning and 74.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.02ms. Allocated memory is still 134.2MB. Free memory was 74.4MB in the beginning and 72.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 934.56ms. Allocated memory was 134.2MB in the beginning and 180.4MB in the end (delta: 46.1MB). Free memory was 72.6MB in the beginning and 131.0MB in the end (delta: -58.4MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2188.66ms. Allocated memory is still 180.4MB. Free memory was 130.1MB in the beginning and 145.7MB in the end (delta: -15.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 10.10ms. Allocated memory is still 180.4MB. Free memory is still 145.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someBinaryDOUBLEComparisonOperation at line 63, overapproximation of someBinaryArithmeticFLOAToperation at line 50. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_6 = 0; [L24] unsigned char var_1_7 = 0; [L25] signed short int var_1_8 = 0; [L26] signed short int var_1_9 = 0; [L27] signed short int var_1_10 = 8; [L28] signed char var_1_11 = 1; [L29] signed char var_1_12 = 32; [L30] signed char var_1_13 = -2; [L31] signed char var_1_14 = 8; [L32] signed char var_1_15 = 0; [L33] signed char var_1_16 = 10; [L34] signed char var_1_17 = 32; [L35] unsigned char var_1_18 = 0; [L36] signed char var_1_19 = -1; [L37] signed short int var_1_20 = 100; [L38] signed short int var_1_22 = 29265; [L39] float var_1_23 = 31.6; [L40] float var_1_24 = 9.2; [L41] float var_1_25 = 15.6; [L42] float var_1_26 = 25.25; [L43] unsigned long int var_1_27 = 256; [L139] isInitial = 1 [L140] FCALL initially() [L141] COND TRUE 1 [L142] FCALL updateLastVariables() [L143] CALL updateVariables() [L88] var_1_6 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_7=0, var_1_8=0, var_1_9=0] [L90] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L91] var_1_7 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L93] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L94] var_1_9 = __VERIFIER_nondet_short() [L95] CALL assume_abort_if_not(var_1_9 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_9 >= -1) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L96] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L97] var_1_10 = __VERIFIER_nondet_short() [L98] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L99] CALL assume_abort_if_not(var_1_10 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_10 <= 16383) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L100] var_1_12 = __VERIFIER_nondet_char() [L101] CALL assume_abort_if_not(var_1_12 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_12 >= -63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L102] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L103] var_1_13 = __VERIFIER_nondet_char() [L104] CALL assume_abort_if_not(var_1_13 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_13 >= -63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L105] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L106] var_1_14 = __VERIFIER_nondet_char() [L107] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L108] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L109] var_1_15 = __VERIFIER_nondet_char() [L110] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L111] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L112] var_1_16 = __VERIFIER_nondet_char() [L113] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L114] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L115] var_1_17 = __VERIFIER_nondet_char() [L116] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L117] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L118] var_1_19 = __VERIFIER_nondet_char() [L119] CALL assume_abort_if_not(var_1_19 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_19 >= -128) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L120] CALL assume_abort_if_not(var_1_19 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_19 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L121] CALL assume_abort_if_not(var_1_19 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_19 != 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L122] var_1_22 = __VERIFIER_nondet_short() [L123] CALL assume_abort_if_not(var_1_22 >= 16382) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_22 >= 16382) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L124] CALL assume_abort_if_not(var_1_22 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_22 <= 32766) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L125] var_1_24 = __VERIFIER_nondet_float() [L126] CALL assume_abort_if_not((var_1_24 >= -461168.6018427382800e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 4611686.018427382800e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=2, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not((var_1_24 >= -461168.6018427382800e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 4611686.018427382800e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=2, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L127] var_1_25 = __VERIFIER_nondet_float() [L128] CALL assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=2, var_1_25=3, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=2, var_1_25=3, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L129] var_1_26 = __VERIFIER_nondet_float() [L130] CALL assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=2, var_1_25=3, var_1_26=4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=2, var_1_25=3, var_1_26=4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16320] [L143] RET updateVariables() [L144] CALL step() [L47] var_1_8 = (var_1_9 - (2 + var_1_10)) [L48] COND TRUE var_1_22 != var_1_12 [L49] COND TRUE var_1_10 <= var_1_17 [L50] var_1_23 = (var_1_24 + ((((var_1_25) > (var_1_26)) ? (var_1_25) : (var_1_26)))) [L55] COND FALSE !(! ((var_1_9 - var_1_22) > var_1_12)) [L58] COND TRUE var_1_23 == var_1_23 [L59] COND TRUE var_1_15 >= (var_1_27 / var_1_19) [L60] var_1_18 = var_1_7 [L63] COND TRUE (- ((((var_1_23) < (var_1_23)) ? (var_1_23) : (var_1_23)))) > (1.625 * var_1_23) [L64] var_1_20 = ((var_1_22 - (var_1_16 + var_1_15)) - var_1_10) [L68] COND TRUE \read(var_1_18) [L69] var_1_1 = (((-128 <= var_1_20) || (var_1_23 >= var_1_23)) && var_1_6) [L73] COND FALSE !(\read(var_1_1)) [L76] COND TRUE var_1_27 >= var_1_14 [L77] var_1_11 = ((var_1_15 + var_1_16) - var_1_17) [L144] RET step() [L145] CALL, EXPR property() [L135-L136] return ((((((var_1_18 ? (var_1_1 == ((unsigned char) (((-128 <= var_1_20) || (var_1_23 >= var_1_23)) && var_1_6))) : (var_1_1 == ((unsigned char) var_1_7))) && (var_1_8 == ((signed short int) (var_1_9 - (2 + var_1_10))))) && (var_1_1 ? (var_1_11 == ((signed char) (var_1_12 + ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))))) : ((var_1_27 >= var_1_14) ? (var_1_11 == ((signed char) ((var_1_15 + var_1_16) - var_1_17))) : (var_1_7 ? (var_1_11 == ((signed char) var_1_16)) : (var_1_11 == ((signed char) var_1_12)))))) && ((var_1_23 == var_1_23) ? ((var_1_15 >= (var_1_27 / var_1_19)) ? (var_1_18 == ((unsigned char) var_1_7)) : 1) : 1)) && (((- ((((var_1_23) < (var_1_23)) ? (var_1_23) : (var_1_23)))) > (1.625 * var_1_23)) ? (var_1_20 == ((signed short int) ((var_1_22 - (var_1_16 + var_1_15)) - var_1_10))) : (var_1_20 == ((signed short int) var_1_19)))) && ((var_1_22 != var_1_12) ? ((var_1_10 <= var_1_17) ? (var_1_23 == ((float) (var_1_24 + ((((var_1_25) > (var_1_26)) ? (var_1_25) : (var_1_26)))))) : 1) : (var_1_23 == ((float) var_1_25)))) && ((! ((var_1_9 - var_1_22) > var_1_12)) ? (var_1_27 == ((unsigned long int) var_1_15)) : 1) ; [L145] RET, EXPR property() [L145] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-1, var_1_1=0, var_1_20=16381, var_1_22=16382, var_1_23=0, var_1_24=2, var_1_25=3, var_1_26=4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=16318, var_1_9=16320] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=-63, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-1, var_1_1=0, var_1_20=16381, var_1_22=16382, var_1_23=0, var_1_24=2, var_1_25=3, var_1_26=4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=16318, var_1_9=16320] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 1, TraceHistogramMax: 28, 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=52occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 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 05:08:07,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/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_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/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_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/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_9c4624fa-568c-40b9-bd7c-aa0af134e03a/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 a6e01815b85081eba7e0081229a01ecf7f6dda700f05238454388a259fe464fd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:08:10,607 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:08:10,760 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:08:10,770 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:08:10,771 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:08:10,817 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:08:10,818 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:08:10,819 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:08:10,820 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:08:10,826 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:08:10,827 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:08:10,827 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:08:10,828 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:08:10,830 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:08:10,830 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:08:10,831 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:08:10,832 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:08:10,833 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:08:10,833 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:08:10,834 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:08:10,834 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:08:10,835 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:08:10,836 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:08:10,836 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:08:10,837 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:08:10,837 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:08:10,838 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:08:10,838 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:08:10,839 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:08:10,839 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:08:10,841 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:08:10,841 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:08:10,841 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:08:10,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:08:10,842 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:08:10,843 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:08:10,843 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:08:10,843 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:08:10,844 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:08:10,845 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:08:10,845 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:08:10,846 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:08:10,846 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_9c4624fa-568c-40b9-bd7c-aa0af134e03a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6e01815b85081eba7e0081229a01ecf7f6dda700f05238454388a259fe464fd [2023-11-19 05:08:11,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:08:11,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:08:11,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:08:11,401 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:08:11,401 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:08:11,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i [2023-11-19 05:08:14,986 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:08:15,280 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:08:15,281 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i [2023-11-19 05:08:15,292 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/data/5ca394837/3057c192301b44f5896564baa1b9022f/FLAG622b7f24f [2023-11-19 05:08:15,307 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/data/5ca394837/3057c192301b44f5896564baa1b9022f [2023-11-19 05:08:15,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:08:15,311 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:08:15,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:15,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:08:15,319 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:08:15,320 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:15" (1/1) ... [2023-11-19 05:08:15,321 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c9d8870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:15, skipping insertion in model container [2023-11-19 05:08:15,321 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:15" (1/1) ... [2023-11-19 05:08:15,353 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:08:15,499 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_9c4624fa-568c-40b9-bd7c-aa0af134e03a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i[913,926] [2023-11-19 05:08:15,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:08:15,572 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:08:15,586 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_9c4624fa-568c-40b9-bd7c-aa0af134e03a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i[913,926] [2023-11-19 05:08:15,618 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:08:15,647 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:08:15,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:15 WrapperNode [2023-11-19 05:08:15,648 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:15,649 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:08:15,650 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:08:15,650 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:08:15,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:15" (1/1) ... [2023-11-19 05:08:15,672 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:15" (1/1) ... [2023-11-19 05:08:15,704 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2023-11-19 05:08:15,704 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:08:15,705 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:08:15,705 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:08:15,705 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:08:15,716 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:15" (1/1) ... [2023-11-19 05:08:15,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:15" (1/1) ... [2023-11-19 05:08:15,722 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:15" (1/1) ... [2023-11-19 05:08:15,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:15" (1/1) ... [2023-11-19 05:08:15,736 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:15" (1/1) ... [2023-11-19 05:08:15,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:15" (1/1) ... [2023-11-19 05:08:15,744 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:15" (1/1) ... [2023-11-19 05:08:15,747 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:15" (1/1) ... [2023-11-19 05:08:15,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:08:15,754 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:08:15,754 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:08:15,754 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:08:15,755 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:15" (1/1) ... [2023-11-19 05:08:15,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:08:15,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:08:15,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:08:15,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:08:15,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:08:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:08:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:08:15,825 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:08:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:08:15,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:08:15,948 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:08:15,950 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:08:18,452 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:08:18,474 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:08:18,474 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:08:18,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:08:18 BoogieIcfgContainer [2023-11-19 05:08:18,480 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:08:18,483 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:08:18,487 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:08:18,491 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:08:18,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:08:15" (1/3) ... [2023-11-19 05:08:18,492 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ea20c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:08:18, skipping insertion in model container [2023-11-19 05:08:18,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:15" (2/3) ... [2023-11-19 05:08:18,492 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ea20c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:08:18, skipping insertion in model container [2023-11-19 05:08:18,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:08:18" (3/3) ... [2023-11-19 05:08:18,494 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-29.i [2023-11-19 05:08:18,511 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:08:18,511 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:08:18,571 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:08:18,580 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;@1e34e907, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:08:18,580 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:08:18,585 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 05:08:18,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-19 05:08:18,608 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:08:18,609 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:18,610 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:08:18,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:08:18,622 INFO L85 PathProgramCache]: Analyzing trace with hash 731389584, now seen corresponding path program 1 times [2023-11-19 05:08:18,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:08:18,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1755466103] [2023-11-19 05:08:18,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:08:18,642 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 05:08:18,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:08:18,644 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/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 05:08:18,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/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 05:08:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:08:19,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:08:19,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:08:19,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-19 05:08:19,739 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:08:19,812 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:08:19,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1755466103] [2023-11-19 05:08:19,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1755466103] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:08:19,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1882730003] [2023-11-19 05:08:19,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:08:19,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:08:19,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:08:19,825 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:08:19,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 05:08:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:08:20,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 05:08:20,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:08:21,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-19 05:08:21,314 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:08:21,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1882730003] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:08:21,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 05:08:21,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2023-11-19 05:08:21,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697931354] [2023-11-19 05:08:21,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:08:21,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:08:21,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:08:21,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:08:21,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:08:21,385 INFO L87 Difference]: Start difference. First operand has 72 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-19 05:08:22,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:08:22,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:08:22,701 INFO L93 Difference]: Finished difference Result 202 states and 380 transitions. [2023-11-19 05:08:22,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:08:22,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 170 [2023-11-19 05:08:22,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:08:22,738 INFO L225 Difference]: With dead ends: 202 [2023-11-19 05:08:22,738 INFO L226 Difference]: Without dead ends: 133 [2023-11-19 05:08:22,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:08:22,748 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 20 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:08:22,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 201 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-19 05:08:22,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-11-19 05:08:22,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2023-11-19 05:08:22,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 72 states have (on average 1.2916666666666667) internal successors, (93), 72 states have internal predecessors, (93), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-19 05:08:22,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 205 transitions. [2023-11-19 05:08:22,846 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 205 transitions. Word has length 170 [2023-11-19 05:08:22,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:08:22,848 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 205 transitions. [2023-11-19 05:08:22,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-19 05:08:22,853 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 205 transitions. [2023-11-19 05:08:22,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-19 05:08:22,880 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:08:22,881 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:22,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/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 05:08:23,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 05:08:23,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt [2023-11-19 05:08:23,293 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:08:23,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:08:23,294 INFO L85 PathProgramCache]: Analyzing trace with hash 788647886, now seen corresponding path program 1 times [2023-11-19 05:08:23,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:08:23,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [467506022] [2023-11-19 05:08:23,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:08:23,297 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 05:08:23,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:08:23,299 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/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 05:08:23,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/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 05:08:23,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:08:23,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:08:23,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:08:23,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-19 05:08:23,985 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:08:24,047 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:08:24,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [467506022] [2023-11-19 05:08:24,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [467506022] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:08:24,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1059132953] [2023-11-19 05:08:24,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:08:24,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:08:24,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:08:24,050 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:08:24,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 05:08:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:08:25,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 05:08:25,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:08:25,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-19 05:08:25,217 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:08:25,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1059132953] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:08:25,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 05:08:25,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-11-19 05:08:25,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758509032] [2023-11-19 05:08:25,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:08:25,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:08:25,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:08:25,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:08:25,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:08:25,222 INFO L87 Difference]: Start difference. First operand 131 states and 205 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-19 05:08:27,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:08:27,360 INFO L93 Difference]: Finished difference Result 385 states and 605 transitions. [2023-11-19 05:08:27,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:08:27,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 170 [2023-11-19 05:08:27,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:08:27,368 INFO L225 Difference]: With dead ends: 385 [2023-11-19 05:08:27,369 INFO L226 Difference]: Without dead ends: 257 [2023-11-19 05:08:27,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:08:27,373 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 95 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:08:27,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 281 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-19 05:08:27,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2023-11-19 05:08:27,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 255. [2023-11-19 05:08:27,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 138 states have (on average 1.2608695652173914) internal successors, (174), 138 states have internal predecessors, (174), 112 states have call successors, (112), 4 states have call predecessors, (112), 4 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2023-11-19 05:08:27,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 398 transitions. [2023-11-19 05:08:27,450 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 398 transitions. Word has length 170 [2023-11-19 05:08:27,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:08:27,451 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 398 transitions. [2023-11-19 05:08:27,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-19 05:08:27,452 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 398 transitions. [2023-11-19 05:08:27,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-19 05:08:27,455 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:08:27,455 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:27,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-19 05:08:27,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/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 05:08:27,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/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 05:08:27,862 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:08:27,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:08:27,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1731312048, now seen corresponding path program 1 times [2023-11-19 05:08:27,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:08:27,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [386213177] [2023-11-19 05:08:27,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:08:27,864 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 05:08:27,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:08:27,867 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/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 05:08:27,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/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 (6)] Waiting until timeout for monitored process [2023-11-19 05:08:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:08:28,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:08:28,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:08:28,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-19 05:08:28,577 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:08:28,631 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:08:28,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [386213177] [2023-11-19 05:08:28,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [386213177] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:08:28,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [56244523] [2023-11-19 05:08:28,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:08:28,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:08:28,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:08:28,633 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:08:28,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-19 05:08:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:08:29,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 05:08:29,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:08:30,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 183 proven. 3 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-19 05:08:30,566 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:08:31,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 05:08:31,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [56244523] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:08:31,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289967155] [2023-11-19 05:08:31,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:08:31,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:08:31,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:08:31,241 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:08:31,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 05:08:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:08:31,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:08:31,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:08:31,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-19 05:08:31,704 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:08:31,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289967155] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:08:31,732 INFO L185 FreeRefinementEngine]: Found 0 perfect and 4 imperfect interpolant sequences. [2023-11-19 05:08:31,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6, 5] total 11 [2023-11-19 05:08:31,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116279425] [2023-11-19 05:08:31,733 INFO L85 oduleStraightlineAll]: Using 4 imperfect interpolants to construct interpolant automaton [2023-11-19 05:08:31,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-19 05:08:31,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:08:31,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-19 05:08:31,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-19 05:08:31,737 INFO L87 Difference]: Start difference. First operand 255 states and 398 transitions. Second operand has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) [2023-11-19 05:08:50,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:08:50,269 INFO L93 Difference]: Finished difference Result 701 states and 1052 transitions. [2023-11-19 05:08:50,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-19 05:08:50,271 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) Word has length 170 [2023-11-19 05:08:50,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:08:50,282 INFO L225 Difference]: With dead ends: 701 [2023-11-19 05:08:50,282 INFO L226 Difference]: Without dead ends: 449 [2023-11-19 05:08:50,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 731 GetRequests, 693 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=417, Invalid=1143, Unknown=0, NotChecked=0, Total=1560 [2023-11-19 05:08:50,288 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 232 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 316 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 316 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2023-11-19 05:08:50,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 373 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [316 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 13.9s Time] [2023-11-19 05:08:50,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2023-11-19 05:08:50,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 291. [2023-11-19 05:08:50,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 166 states have (on average 1.2048192771084338) internal successors, (200), 166 states have internal predecessors, (200), 112 states have call successors, (112), 12 states have call predecessors, (112), 12 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2023-11-19 05:08:50,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 424 transitions. [2023-11-19 05:08:50,398 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 424 transitions. Word has length 170 [2023-11-19 05:08:50,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:08:50,402 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 424 transitions. [2023-11-19 05:08:50,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) [2023-11-19 05:08:50,402 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 424 transitions. [2023-11-19 05:08:50,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-19 05:08:50,407 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:08:50,407 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:50,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-19 05:08:50,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/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 (6)] Forceful destruction successful, exit code 0 [2023-11-19 05:08:50,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-19 05:08:51,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:08:51,017 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:08:51,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:08:51,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1933300087, now seen corresponding path program 1 times [2023-11-19 05:08:51,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:08:51,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [297760900] [2023-11-19 05:08:51,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:08:51,019 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 05:08:51,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:08:51,021 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/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 05:08:51,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4624fa-568c-40b9-bd7c-aa0af134e03a/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 (9)] Waiting until timeout for monitored process [2023-11-19 05:08:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:08:51,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 05:08:51,533 INFO L285 TraceCheckSpWp]: Computing forward predicates...