./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-63.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b6fe4dae999e1d5cc51fc4d3228e53330e71c772d276083f0806e06778fb8d09 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:15:46,587 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:15:46,722 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:15:46,731 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:15:46,732 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:15:46,782 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:15:46,783 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:15:46,784 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:15:46,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:15:46,791 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:15:46,792 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:15:46,793 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:15:46,793 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:15:46,796 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:15:46,796 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:15:46,797 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:15:46,797 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:15:46,798 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:15:46,799 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:15:46,800 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:15:46,800 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:15:46,801 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:15:46,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:15:46,803 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:15:46,804 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:15:46,805 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:15:46,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:15:46,806 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:15:46,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:15:46,807 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:15:46,809 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:15:46,809 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:15:46,809 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:15:46,810 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:15:46,810 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:15:46,811 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:15:46,811 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:15:46,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:46,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:15:46,813 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:15:46,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:15:46,814 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:15:46,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:15:46,814 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:15:46,815 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:15:46,816 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:15:46,816 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:15:46,816 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_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6fe4dae999e1d5cc51fc4d3228e53330e71c772d276083f0806e06778fb8d09 [2023-11-23 21:15:47,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:15:47,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:15:47,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:15:47,206 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:15:47,207 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:15:47,209 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-63.i [2023-11-23 21:15:50,661 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:15:50,982 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:15:50,982 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-63.i [2023-11-23 21:15:51,002 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/data/dc89b130a/45f65b8d476c4a8083beb53a5ae846ca/FLAG9c1ee5abd [2023-11-23 21:15:51,021 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/data/dc89b130a/45f65b8d476c4a8083beb53a5ae846ca [2023-11-23 21:15:51,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:15:51,036 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:15:51,042 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:51,042 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:15:51,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:15:51,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:51" (1/1) ... [2023-11-23 21:15:51,050 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7947431a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:51, skipping insertion in model container [2023-11-23 21:15:51,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:51" (1/1) ... [2023-11-23 21:15:51,105 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:15:51,289 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_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-63.i[917,930] [2023-11-23 21:15:51,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:51,399 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:15:51,415 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_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-63.i[917,930] [2023-11-23 21:15:51,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:51,477 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:15:51,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:51 WrapperNode [2023-11-23 21:15:51,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:51,480 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:51,480 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:15:51,480 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:15:51,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:51" (1/1) ... [2023-11-23 21:15:51,501 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:51" (1/1) ... [2023-11-23 21:15:51,556 INFO L138 Inliner]: procedures = 26, calls = 49, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 229 [2023-11-23 21:15:51,557 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:51,559 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:15:51,559 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:15:51,559 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:15:51,570 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:51" (1/1) ... [2023-11-23 21:15:51,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:51" (1/1) ... [2023-11-23 21:15:51,574 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:51" (1/1) ... [2023-11-23 21:15:51,574 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:51" (1/1) ... [2023-11-23 21:15:51,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:51" (1/1) ... [2023-11-23 21:15:51,592 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:51" (1/1) ... [2023-11-23 21:15:51,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:51" (1/1) ... [2023-11-23 21:15:51,611 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:51" (1/1) ... [2023-11-23 21:15:51,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:15:51,620 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:15:51,620 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:15:51,620 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:15:51,621 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:51" (1/1) ... [2023-11-23 21:15:51,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:51,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:51,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:15:51,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:15:51,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:15:51,723 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:15:51,724 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:15:51,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:15:51,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:15:51,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:15:51,882 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:15:51,884 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:15:52,351 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:15:52,648 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:15:52,649 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:15:52,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:52 BoogieIcfgContainer [2023-11-23 21:15:52,650 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:15:52,653 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:15:52,653 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:15:52,657 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:15:52,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:15:51" (1/3) ... [2023-11-23 21:15:52,658 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6ddf76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:52, skipping insertion in model container [2023-11-23 21:15:52,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:51" (2/3) ... [2023-11-23 21:15:52,658 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6ddf76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:52, skipping insertion in model container [2023-11-23 21:15:52,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:52" (3/3) ... [2023-11-23 21:15:52,660 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-63.i [2023-11-23 21:15:52,682 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:15:52,682 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:15:52,736 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:15:52,744 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;@1522e659, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:15:52,745 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:15:52,749 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 28 states have internal predecessors, (30), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-23 21:15:52,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-23 21:15:52,766 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:52,767 INFO L195 NwaCegarLoop]: trace histogram [36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:52,767 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:52,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:52,774 INFO L85 PathProgramCache]: Analyzing trace with hash -322548183, now seen corresponding path program 1 times [2023-11-23 21:15:52,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:52,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080212248] [2023-11-23 21:15:52,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:52,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:15:53,415 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:15:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:15:53,769 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:15:53,772 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:15:53,773 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:15:53,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:15:53,782 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:15:53,787 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:15:54,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:15:54 BoogieIcfgContainer [2023-11-23 21:15:54,013 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:15:54,014 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:15:54,014 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:15:54,014 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:15:54,015 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:52" (3/4) ... [2023-11-23 21:15:54,022 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:15:54,023 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:15:54,024 INFO L158 Benchmark]: Toolchain (without parser) took 2987.97ms. Allocated memory is still 163.6MB. Free memory was 118.1MB in the beginning and 124.2MB in the end (delta: -6.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:15:54,025 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 163.6MB. Free memory is still 136.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:15:54,025 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.60ms. Allocated memory is still 163.6MB. Free memory was 118.1MB in the beginning and 103.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:15:54,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.81ms. Allocated memory is still 163.6MB. Free memory was 103.4MB in the beginning and 100.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:15:54,027 INFO L158 Benchmark]: Boogie Preprocessor took 59.92ms. Allocated memory is still 163.6MB. Free memory was 100.0MB in the beginning and 98.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:15:54,027 INFO L158 Benchmark]: RCFGBuilder took 1030.64ms. Allocated memory is still 163.6MB. Free memory was 97.9MB in the beginning and 121.7MB in the end (delta: -23.8MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2023-11-23 21:15:54,028 INFO L158 Benchmark]: TraceAbstraction took 1360.65ms. Allocated memory is still 163.6MB. Free memory was 120.8MB in the beginning and 125.2MB in the end (delta: -4.4MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. [2023-11-23 21:15:54,028 INFO L158 Benchmark]: Witness Printer took 9.67ms. Allocated memory is still 163.6MB. Free memory was 125.2MB in the beginning and 124.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:15:54,031 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 163.6MB. Free memory is still 136.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.60ms. Allocated memory is still 163.6MB. Free memory was 118.1MB in the beginning and 103.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.81ms. Allocated memory is still 163.6MB. Free memory was 103.4MB in the beginning and 100.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.92ms. Allocated memory is still 163.6MB. Free memory was 100.0MB in the beginning and 98.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1030.64ms. Allocated memory is still 163.6MB. Free memory was 97.9MB in the beginning and 121.7MB in the end (delta: -23.8MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1360.65ms. Allocated memory is still 163.6MB. Free memory was 120.8MB in the beginning and 125.2MB in the end (delta: -4.4MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. * Witness Printer took 9.67ms. Allocated memory is still 163.6MB. Free memory was 125.2MB in the beginning and 124.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 160, overapproximation of bitwiseOr at line 56, overapproximation of shiftRight at line 65, overapproximation of someBinaryArithmeticDOUBLEoperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 74. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 64; [L23] unsigned long int var_1_2 = 50; [L24] unsigned long int var_1_3 = 8; [L25] signed long int var_1_4 = 25; [L26] signed long int var_1_5 = -100; [L27] signed long int var_1_6 = 8; [L28] unsigned char var_1_7 = 0; [L29] signed long int var_1_8 = 128; [L30] signed long int var_1_9 = 2; [L31] signed long int var_1_10 = 128; [L32] unsigned short int var_1_11 = 500; [L33] unsigned short int var_1_12 = 128; [L34] unsigned char var_1_13 = 64; [L35] unsigned char var_1_15 = 1; [L36] unsigned char var_1_16 = 8; [L37] double var_1_17 = 7.5; [L38] double var_1_18 = 31.125; [L39] double var_1_19 = 10.5; [L40] double var_1_20 = 0.0; [L41] double var_1_21 = 16.75; [L42] double var_1_22 = 2.5; [L43] double var_1_23 = 64.5; [L44] signed long int var_1_24 = 10; [L45] signed long int var_1_25 = -64; [L46] signed char var_1_26 = 16; [L47] signed char var_1_27 = 4; [L48] signed char var_1_28 = -10; [L49] float var_1_29 = 63.794; [L50] unsigned short int var_1_30 = 1; [L51] signed long int var_1_31 = -2; [L52] unsigned char var_1_32 = 64; [L164] isInitial = 1 [L165] FCALL initially() [L166] COND TRUE 1 [L167] FCALL updateLastVariables() [L168] CALL updateVariables() [L99] var_1_2 = __VERIFIER_nondet_ulong() [L100] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_3=8, var_1_4=25, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_3=8, var_1_4=25, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L101] CALL assume_abort_if_not(var_1_2 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_3=8, var_1_4=25, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_2 <= 4294967295) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_3=8, var_1_4=25, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L102] var_1_3 = __VERIFIER_nondet_ulong() [L103] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=25, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=25, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L104] CALL assume_abort_if_not(var_1_3 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=25, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_3 <= 4294967295) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=25, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L105] var_1_4 = __VERIFIER_nondet_long() [L106] CALL assume_abort_if_not(var_1_4 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_4 >= -1073741823) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L107] CALL assume_abort_if_not(var_1_4 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_4 <= 1073741823) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L108] var_1_5 = __VERIFIER_nondet_long() [L109] CALL assume_abort_if_not(var_1_5 >= -536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_5 >= -536870911) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L110] CALL assume_abort_if_not(var_1_5 <= 536870912) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_5 <= 536870912) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L111] var_1_6 = __VERIFIER_nondet_long() [L112] CALL assume_abort_if_not(var_1_6 >= -536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_6 >= -536870911) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=0, var_1_8=128, var_1_9=2] [L113] CALL assume_abort_if_not(var_1_6 <= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_6 <= 536870911) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=0, var_1_8=128, var_1_9=2] [L114] var_1_7 = __VERIFIER_nondet_uchar() [L115] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_8=128, var_1_9=2] [L116] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=128, var_1_9=2] [L117] var_1_8 = __VERIFIER_nondet_long() [L118] CALL assume_abort_if_not(var_1_8 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_8 >= -1) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=2] [L119] CALL assume_abort_if_not(var_1_8 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_8 <= 2147483646) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=2] [L120] var_1_9 = __VERIFIER_nondet_long() [L121] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L122] CALL assume_abort_if_not(var_1_9 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_9 <= 2147483646) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L123] var_1_10 = __VERIFIER_nondet_long() [L124] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L125] CALL assume_abort_if_not(var_1_10 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_10 <= 2147483646) VAL [isInitial=1, var_1_10=0, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L126] var_1_12 = __VERIFIER_nondet_ushort() [L127] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L128] CALL assume_abort_if_not(var_1_12 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_12 <= 65534) VAL [isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L129] var_1_15 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L131] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L132] var_1_16 = __VERIFIER_nondet_uchar() [L133] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L134] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L135] var_1_18 = __VERIFIER_nondet_double() [L136] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L137] var_1_19 = __VERIFIER_nondet_double() [L138] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L139] var_1_20 = __VERIFIER_nondet_double() [L140] CALL assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L141] var_1_21 = __VERIFIER_nondet_double() [L142] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L143] var_1_22 = __VERIFIER_nondet_double() [L144] CALL assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L145] var_1_23 = __VERIFIER_nondet_double() [L146] CALL assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L147] var_1_25 = __VERIFIER_nondet_long() [L148] CALL assume_abort_if_not(var_1_25 >= -2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=-4, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_25 >= -2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=-4, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L149] CALL assume_abort_if_not(var_1_25 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=-4, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_25 <= 2147483646) VAL [isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=-4, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L150] var_1_27 = __VERIFIER_nondet_char() [L151] CALL assume_abort_if_not(var_1_27 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=-4, var_1_26=16, var_1_27=63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_27 >= -63) VAL [isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=-4, var_1_26=16, var_1_27=63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L152] CALL assume_abort_if_not(var_1_27 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=-4, var_1_26=16, var_1_27=63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_27 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=-4, var_1_26=16, var_1_27=63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L153] var_1_28 = __VERIFIER_nondet_char() [L154] CALL assume_abort_if_not(var_1_28 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=-4, var_1_26=16, var_1_27=63, var_1_28=-47, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_28 >= -63) VAL [isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=-4, var_1_26=16, var_1_27=63, var_1_28=-47, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L155] CALL assume_abort_if_not(var_1_28 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=-4, var_1_26=16, var_1_27=63, var_1_28=-47, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_28 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=500, var_1_12=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=-4, var_1_26=16, var_1_27=63, var_1_28=-47, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L168] RET updateVariables() [L169] CALL step() [L56] EXPR (var_1_2 + 4u) | var_1_3 [L56] COND TRUE 32u < ((var_1_2 + 4u) | var_1_3) [L57] var_1_1 = (var_1_4 + (var_1_5 + var_1_6)) [L65] EXPR var_1_9 >> var_1_4 [L65] signed long int stepLocal_0 = var_1_9 >> var_1_4; [L66] COND TRUE stepLocal_0 < var_1_1 [L67] var_1_11 = var_1_12 [L69] unsigned short int stepLocal_1 = var_1_11; [L70] COND TRUE var_1_2 != stepLocal_1 [L71] var_1_13 = ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))) [L73] COND TRUE \read(var_1_7) [L74] var_1_17 = ((((((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) < (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))))) ? (((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) : (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23)))))) [L78] signed long int stepLocal_2 = var_1_10; [L79] COND FALSE !(! var_1_7) [L82] COND FALSE !(stepLocal_2 < var_1_9) [L85] var_1_24 = var_1_25 [L88] COND TRUE var_1_8 >= var_1_1 [L89] var_1_26 = (var_1_27 + var_1_28) [L91] COND TRUE \read(var_1_7) [L92] var_1_29 = var_1_20 [L94] var_1_30 = var_1_12 [L95] var_1_31 = var_1_25 [L96] var_1_32 = var_1_16 [L169] RET step() [L170] CALL, EXPR property() [L160] EXPR (var_1_2 + 4u) | var_1_3 [L160] EXPR ((32u < ((var_1_2 + 4u) | var_1_3)) ? (var_1_1 == ((signed long int) (var_1_4 + (var_1_5 + var_1_6)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_4) < ((var_1_8 - var_1_9))) ? (var_1_4) : ((var_1_8 - var_1_9)))))) : (var_1_1 == ((signed long int) (var_1_9 - var_1_10))))) && (((var_1_9 >> var_1_4) < var_1_1) ? (var_1_11 == ((unsigned short int) var_1_12)) : 1) [L160] EXPR var_1_9 >> var_1_4 [L160] EXPR ((32u < ((var_1_2 + 4u) | var_1_3)) ? (var_1_1 == ((signed long int) (var_1_4 + (var_1_5 + var_1_6)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_4) < ((var_1_8 - var_1_9))) ? (var_1_4) : ((var_1_8 - var_1_9)))))) : (var_1_1 == ((signed long int) (var_1_9 - var_1_10))))) && (((var_1_9 >> var_1_4) < var_1_1) ? (var_1_11 == ((unsigned short int) var_1_12)) : 1) [L160-L161] return ((((((((((32u < ((var_1_2 + 4u) | var_1_3)) ? (var_1_1 == ((signed long int) (var_1_4 + (var_1_5 + var_1_6)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_4) < ((var_1_8 - var_1_9))) ? (var_1_4) : ((var_1_8 - var_1_9)))))) : (var_1_1 == ((signed long int) (var_1_9 - var_1_10))))) && (((var_1_9 >> var_1_4) < var_1_1) ? (var_1_11 == ((unsigned short int) var_1_12)) : 1)) && ((var_1_2 != var_1_11) ? (var_1_13 == ((unsigned char) ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) : 1)) && (var_1_7 ? (var_1_17 == ((double) ((((((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) < (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))))) ? (((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) : (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23)))))))) : (var_1_17 == ((double) var_1_22)))) && ((! var_1_7) ? (var_1_24 == ((signed long int) (var_1_11 - ((((((((var_1_9) > (var_1_12)) ? (var_1_9) : (var_1_12)))) < ((var_1_13 + var_1_15))) ? (((((var_1_9) > (var_1_12)) ? (var_1_9) : (var_1_12)))) : ((var_1_13 + var_1_15))))))) : ((var_1_10 < var_1_9) ? (var_1_24 == ((signed long int) -4)) : (var_1_24 == ((signed long int) var_1_25))))) && ((var_1_8 >= var_1_1) ? (var_1_26 == ((signed char) (var_1_27 + var_1_28))) : 1)) && (var_1_7 ? (var_1_29 == ((float) var_1_20)) : 1)) && (var_1_30 == ((unsigned short int) var_1_12))) && (var_1_31 == ((signed long int) var_1_25))) && (var_1_32 == ((unsigned char) var_1_16)) ; [L170] RET, EXPR property() [L170] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=536870916, var_1_1=1, var_1_20=31897/500, var_1_22=536870916, var_1_23=536870916, var_1_24=-4, var_1_25=-4, var_1_26=16, var_1_27=63, var_1_28=-47, var_1_29=31897/500, var_1_2=29, var_1_30=0, var_1_31=-4, var_1_32=0, var_1_3=33, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=536870916, var_1_1=1, var_1_20=31897/500, var_1_22=536870916, var_1_23=536870916, var_1_24=-4, var_1_25=-4, var_1_26=16, var_1_27=63, var_1_28=-47, var_1_29=31897/500, var_1_2=29, var_1_30=0, var_1_31=-4, var_1_32=0, var_1_3=33, var_1_4=1, var_1_5=-536870911, var_1_6=536870911, var_1_7=1, var_1_8=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 36, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 133 NumberOfCodeBlocks, 133 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:15:54,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b6fe4dae999e1d5cc51fc4d3228e53330e71c772d276083f0806e06778fb8d09 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:15:56,932 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:15:57,080 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:15:57,095 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:15:57,096 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:15:57,146 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:15:57,147 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:15:57,148 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:15:57,149 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:15:57,155 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:15:57,156 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:15:57,157 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:15:57,157 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:15:57,159 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:15:57,160 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:15:57,160 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:15:57,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:15:57,162 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:15:57,163 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:15:57,163 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:15:57,164 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:15:57,165 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:15:57,165 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:15:57,166 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:15:57,166 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:15:57,167 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:15:57,167 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:15:57,168 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:15:57,168 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:15:57,168 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:15:57,170 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:15:57,170 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:15:57,171 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:15:57,171 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:15:57,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:57,172 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:15:57,173 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:15:57,173 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:15:57,173 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:15:57,174 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:15:57,175 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:15:57,175 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:15:57,175 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:15:57,176 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:15:57,176 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_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6fe4dae999e1d5cc51fc4d3228e53330e71c772d276083f0806e06778fb8d09 [2023-11-23 21:15:57,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:15:57,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:15:57,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:15:57,611 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:15:57,611 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:15:57,613 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-63.i [2023-11-23 21:16:01,056 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:16:01,388 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:16:01,389 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-63.i [2023-11-23 21:16:01,405 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/data/a8369bac4/8f5ed6d96feb4da0b2da96e2378a9f42/FLAG000e63b58 [2023-11-23 21:16:01,424 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/data/a8369bac4/8f5ed6d96feb4da0b2da96e2378a9f42 [2023-11-23 21:16:01,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:16:01,429 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:16:01,431 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:16:01,431 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:16:01,438 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:16:01,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:16:01" (1/1) ... [2023-11-23 21:16:01,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de0501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:01, skipping insertion in model container [2023-11-23 21:16:01,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:16:01" (1/1) ... [2023-11-23 21:16:01,481 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:16:01,672 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_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-63.i[917,930] [2023-11-23 21:16:01,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:16:01,768 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:16:01,783 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_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-63.i[917,930] [2023-11-23 21:16:01,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:16:01,856 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:16:01,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:01 WrapperNode [2023-11-23 21:16:01,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:16:01,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:16:01,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:16:01,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:16:01,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:01" (1/1) ... [2023-11-23 21:16:01,903 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:01" (1/1) ... [2023-11-23 21:16:01,961 INFO L138 Inliner]: procedures = 27, calls = 49, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 191 [2023-11-23 21:16:01,961 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:16:01,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:16:01,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:16:01,962 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:16:01,975 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:01" (1/1) ... [2023-11-23 21:16:01,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:01" (1/1) ... [2023-11-23 21:16:01,994 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:01" (1/1) ... [2023-11-23 21:16:01,995 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:01" (1/1) ... [2023-11-23 21:16:02,037 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:01" (1/1) ... [2023-11-23 21:16:02,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:01" (1/1) ... [2023-11-23 21:16:02,044 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:01" (1/1) ... [2023-11-23 21:16:02,047 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:01" (1/1) ... [2023-11-23 21:16:02,068 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:16:02,069 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:16:02,069 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:16:02,070 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:16:02,070 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:01" (1/1) ... [2023-11-23 21:16:02,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:16:02,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:16:02,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:16:02,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:16:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:16:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:16:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:16:02,170 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:16:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:16:02,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:16:02,307 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:16:02,312 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:16:07,248 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:16:07,320 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:16:07,320 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:16:07,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:16:07 BoogieIcfgContainer [2023-11-23 21:16:07,321 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:16:07,324 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:16:07,324 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:16:07,332 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:16:07,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:16:01" (1/3) ... [2023-11-23 21:16:07,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ec3779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:16:07, skipping insertion in model container [2023-11-23 21:16:07,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:01" (2/3) ... [2023-11-23 21:16:07,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ec3779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:16:07, skipping insertion in model container [2023-11-23 21:16:07,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:16:07" (3/3) ... [2023-11-23 21:16:07,340 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-63.i [2023-11-23 21:16:07,361 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:16:07,361 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:16:07,442 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:16:07,451 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;@96ffbe7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:16:07,452 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:16:07,458 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 44 states have internal predecessors, (57), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-23 21:16:07,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2023-11-23 21:16:07,486 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:16:07,487 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:16:07,488 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:16:07,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:16:07,496 INFO L85 PathProgramCache]: Analyzing trace with hash 211713354, now seen corresponding path program 1 times [2023-11-23 21:16:07,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:16:07,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1157084262] [2023-11-23 21:16:07,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:16:07,522 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:16:07,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:16:07,525 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:16:07,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:16:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:16:08,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:16:08,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:16:08,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 1174 proven. 0 refuted. 0 times theorem prover too weak. 1346 trivial. 0 not checked. [2023-11-23 21:16:08,465 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:16:08,466 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:16:08,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1157084262] [2023-11-23 21:16:08,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1157084262] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:16:08,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:16:08,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:16:08,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555173561] [2023-11-23 21:16:08,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:16:08,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:16:08,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:16:08,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:16:08,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:16:08,534 INFO L87 Difference]: Start difference. First operand has 82 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 44 states have internal predecessors, (57), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-23 21:16:10,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:10,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:16:10,709 INFO L93 Difference]: Finished difference Result 161 states and 292 transitions. [2023-11-23 21:16:10,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:16:10,740 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 216 [2023-11-23 21:16:10,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:16:10,749 INFO L225 Difference]: With dead ends: 161 [2023-11-23 21:16:10,749 INFO L226 Difference]: Without dead ends: 80 [2023-11-23 21:16:10,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:16:10,758 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:16:10,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2023-11-23 21:16:10,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-23 21:16:10,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-11-23 21:16:10,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 42 states have (on average 1.2380952380952381) internal successors, (52), 42 states have internal predecessors, (52), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-23 21:16:10,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 124 transitions. [2023-11-23 21:16:10,825 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 124 transitions. Word has length 216 [2023-11-23 21:16:10,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:16:10,826 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 124 transitions. [2023-11-23 21:16:10,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-23 21:16:10,827 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 124 transitions. [2023-11-23 21:16:10,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2023-11-23 21:16:10,833 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:16:10,834 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:16:10,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:16:11,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:16:11,037 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:16:11,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:16:11,038 INFO L85 PathProgramCache]: Analyzing trace with hash -996200834, now seen corresponding path program 1 times [2023-11-23 21:16:11,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:16:11,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1474051413] [2023-11-23 21:16:11,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:16:11,040 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:16:11,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:16:11,042 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:16:11,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:16:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:16:11,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:16:11,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:16:11,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2023-11-23 21:16:11,742 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:16:11,743 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:16:11,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1474051413] [2023-11-23 21:16:11,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1474051413] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:16:11,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:16:11,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:16:11,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182848843] [2023-11-23 21:16:11,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:16:11,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:16:11,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:16:11,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:16:11,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:16:11,750 INFO L87 Difference]: Start difference. First operand 80 states and 124 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-23 21:16:13,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:16,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:18,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:20,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:20,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:16:20,223 INFO L93 Difference]: Finished difference Result 193 states and 296 transitions. [2023-11-23 21:16:20,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:16:20,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 216 [2023-11-23 21:16:20,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:16:20,229 INFO L225 Difference]: With dead ends: 193 [2023-11-23 21:16:20,229 INFO L226 Difference]: Without dead ends: 114 [2023-11-23 21:16:20,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:16:20,233 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 44 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:16:20,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 264 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 4 Unknown, 0 Unchecked, 8.4s Time] [2023-11-23 21:16:20,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-23 21:16:20,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 111. [2023-11-23 21:16:20,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 62 states have (on average 1.2258064516129032) internal successors, (76), 63 states have internal predecessors, (76), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-23 21:16:20,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 168 transitions. [2023-11-23 21:16:20,262 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 168 transitions. Word has length 216 [2023-11-23 21:16:20,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:16:20,263 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 168 transitions. [2023-11-23 21:16:20,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-23 21:16:20,264 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 168 transitions. [2023-11-23 21:16:20,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2023-11-23 21:16:20,269 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:16:20,269 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:16:20,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:16:20,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:16:20,481 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:16:20,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:16:20,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1805547460, now seen corresponding path program 1 times [2023-11-23 21:16:20,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:16:20,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1925469700] [2023-11-23 21:16:20,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:16:20,486 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:16:20,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:16:20,488 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:16:20,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 21:16:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:16:20,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:16:21,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:16:21,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2023-11-23 21:16:21,072 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:16:21,073 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:16:21,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1925469700] [2023-11-23 21:16:21,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1925469700] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:16:21,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:16:21,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:16:21,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808788790] [2023-11-23 21:16:21,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:16:21,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:16:21,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:16:21,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:16:21,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:16:21,078 INFO L87 Difference]: Start difference. First operand 111 states and 168 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-23 21:16:23,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:25,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:27,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:29,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:29,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:16:29,503 INFO L93 Difference]: Finished difference Result 233 states and 348 transitions. [2023-11-23 21:16:29,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:16:29,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 216 [2023-11-23 21:16:29,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:16:29,509 INFO L225 Difference]: With dead ends: 233 [2023-11-23 21:16:29,510 INFO L226 Difference]: Without dead ends: 123 [2023-11-23 21:16:29,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:16:29,513 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 41 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:16:29,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 236 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 4 Unknown, 0 Unchecked, 8.4s Time] [2023-11-23 21:16:29,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-11-23 21:16:29,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 98. [2023-11-23 21:16:29,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 59 states have (on average 1.2203389830508475) internal successors, (72), 59 states have internal predecessors, (72), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-23 21:16:29,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 144 transitions. [2023-11-23 21:16:29,542 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 144 transitions. Word has length 216 [2023-11-23 21:16:29,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:16:29,544 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 144 transitions. [2023-11-23 21:16:29,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-23 21:16:29,545 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 144 transitions. [2023-11-23 21:16:29,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2023-11-23 21:16:29,555 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:16:29,555 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:16:29,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:16:29,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:16:29,773 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:16:29,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:16:29,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1805487878, now seen corresponding path program 1 times [2023-11-23 21:16:29,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:16:29,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [297750556] [2023-11-23 21:16:29,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:16:29,776 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:16:29,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:16:29,783 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:16:29,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5d8c2b-fe68-4f29-85b2-4d6e5b39c4d5/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 21:16:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:16:30,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 21:16:30,435 INFO L285 TraceCheckSpWp]: Computing forward predicates...