./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-22.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh --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 e07ba27107c0339a1f7e3501d4790d5de9caecf8620909022c4ae78f1c5afbea --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:58:13,678 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:58:13,743 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 16:58:13,747 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:58:13,748 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:58:13,781 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:58:13,781 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:58:13,782 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:58:13,783 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:58:13,783 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:58:13,784 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:58:13,784 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:58:13,785 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:58:13,785 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 16:58:13,786 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:58:13,786 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:58:13,787 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 16:58:13,787 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 16:58:13,788 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:58:13,788 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 16:58:13,789 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 16:58:13,789 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 16:58:13,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:58:13,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:58:13,801 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:58:13,801 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 16:58:13,801 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:58:13,802 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:58:13,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:58:13,803 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:58:13,803 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:58:13,804 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:58:13,804 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:58:13,804 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:58:13,805 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:58:13,805 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:58:13,805 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:58:13,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:58:13,806 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:58:13,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:58:13,806 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:58:13,807 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 16:58:13,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 16:58:13,807 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:58:13,807 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:58:13,808 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:58:13,808 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:58:13,808 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_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e07ba27107c0339a1f7e3501d4790d5de9caecf8620909022c4ae78f1c5afbea [2023-12-02 16:58:14,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:58:14,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:58:14,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:58:14,056 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:58:14,057 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:58:14,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-22.i [2023-12-02 16:58:16,764 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:58:16,970 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:58:16,970 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-22.i [2023-12-02 16:58:16,981 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/data/36be26d1c/aa590744d05a4013ab45987c3381862b/FLAG7869e1969 [2023-12-02 16:58:16,995 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/data/36be26d1c/aa590744d05a4013ab45987c3381862b [2023-12-02 16:58:16,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:58:17,000 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:58:17,001 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:58:17,001 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:58:17,007 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:58:17,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:58:16" (1/1) ... [2023-12-02 16:58:17,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f0625c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:17, skipping insertion in model container [2023-12-02 16:58:17,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:58:16" (1/1) ... [2023-12-02 16:58:17,054 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:58:17,196 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_edca7057-f389-471d-8497-14ee5e557a8f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-22.i[919,932] [2023-12-02 16:58:17,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:58:17,275 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:58:17,285 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_edca7057-f389-471d-8497-14ee5e557a8f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-22.i[919,932] [2023-12-02 16:58:17,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:58:17,341 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:58:17,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:17 WrapperNode [2023-12-02 16:58:17,342 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:58:17,343 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:58:17,343 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:58:17,344 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:58:17,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:17" (1/1) ... [2023-12-02 16:58:17,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:17" (1/1) ... [2023-12-02 16:58:17,403 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 218 [2023-12-02 16:58:17,403 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:58:17,404 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:58:17,404 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:58:17,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:58:17,414 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:17" (1/1) ... [2023-12-02 16:58:17,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:17" (1/1) ... [2023-12-02 16:58:17,419 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:17" (1/1) ... [2023-12-02 16:58:17,419 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:17" (1/1) ... [2023-12-02 16:58:17,437 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:17" (1/1) ... [2023-12-02 16:58:17,441 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:17" (1/1) ... [2023-12-02 16:58:17,447 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:17" (1/1) ... [2023-12-02 16:58:17,451 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:17" (1/1) ... [2023-12-02 16:58:17,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:58:17,459 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:58:17,459 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:58:17,459 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:58:17,460 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:17" (1/1) ... [2023-12-02 16:58:17,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:58:17,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:58:17,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:58:17,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:58:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:58:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 16:58:17,529 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 16:58:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 16:58:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:58:17,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:58:17,647 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:58:17,649 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:58:18,046 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:58:18,299 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:58:18,299 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 16:58:18,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:58:18 BoogieIcfgContainer [2023-12-02 16:58:18,301 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:58:18,304 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:58:18,304 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:58:18,307 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:58:18,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:58:16" (1/3) ... [2023-12-02 16:58:18,308 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e7713e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:58:18, skipping insertion in model container [2023-12-02 16:58:18,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:17" (2/3) ... [2023-12-02 16:58:18,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e7713e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:58:18, skipping insertion in model container [2023-12-02 16:58:18,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:58:18" (3/3) ... [2023-12-02 16:58:18,310 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-22.i [2023-12-02 16:58:18,328 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:58:18,329 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 16:58:18,377 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:58:18,384 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;@50e64909, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:58:18,384 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 16:58:18,388 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 16:58:18,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-02 16:58:18,402 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:58:18,403 INFO L195 NwaCegarLoop]: trace histogram [33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:58:18,403 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:58:18,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:58:18,408 INFO L85 PathProgramCache]: Analyzing trace with hash -805882069, now seen corresponding path program 1 times [2023-12-02 16:58:18,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:58:18,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114537419] [2023-12-02 16:58:18,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:58:18,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:58:18,624 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 16:58:18,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [374244818] [2023-12-02 16:58:18,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:58:18,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:58:18,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:58:18,626 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:58:18,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 16:58:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:58:18,897 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 16:58:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:58:19,176 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 16:58:19,178 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 16:58:19,179 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 16:58:19,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 16:58:19,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:58:19,385 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 16:58:19,388 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 16:58:19,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:58:19 BoogieIcfgContainer [2023-12-02 16:58:19,498 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 16:58:19,499 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 16:58:19,499 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 16:58:19,499 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 16:58:19,500 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:58:18" (3/4) ... [2023-12-02 16:58:19,502 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 16:58:19,503 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 16:58:19,504 INFO L158 Benchmark]: Toolchain (without parser) took 2504.02ms. Allocated memory is still 178.3MB. Free memory was 147.4MB in the beginning and 99.9MB in the end (delta: 47.6MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2023-12-02 16:58:19,504 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:58:19,505 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.26ms. Allocated memory is still 178.3MB. Free memory was 147.2MB in the beginning and 134.3MB in the end (delta: 12.9MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2023-12-02 16:58:19,505 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.40ms. Allocated memory is still 178.3MB. Free memory was 134.3MB in the beginning and 129.2MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 16:58:19,506 INFO L158 Benchmark]: Boogie Preprocessor took 53.73ms. Allocated memory is still 178.3MB. Free memory was 129.2MB in the beginning and 127.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:58:19,506 INFO L158 Benchmark]: RCFGBuilder took 842.44ms. Allocated memory is still 178.3MB. Free memory was 127.1MB in the beginning and 87.7MB in the end (delta: 39.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-02 16:58:19,507 INFO L158 Benchmark]: TraceAbstraction took 1194.54ms. Allocated memory is still 178.3MB. Free memory was 86.8MB in the beginning and 99.9MB in the end (delta: -13.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:58:19,507 INFO L158 Benchmark]: Witness Printer took 3.76ms. Allocated memory is still 178.3MB. Free memory is still 99.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:58:19,510 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.26ms. Allocated memory is still 178.3MB. Free memory was 147.2MB in the beginning and 134.3MB in the end (delta: 12.9MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.40ms. Allocated memory is still 178.3MB. Free memory was 134.3MB in the beginning and 129.2MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.73ms. Allocated memory is still 178.3MB. Free memory was 129.2MB in the beginning and 127.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 842.44ms. Allocated memory is still 178.3MB. Free memory was 127.1MB in the beginning and 87.7MB in the end (delta: 39.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1194.54ms. Allocated memory is still 178.3MB. Free memory was 86.8MB in the beginning and 99.9MB in the end (delta: -13.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.76ms. Allocated memory is still 178.3MB. Free memory is still 99.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftLeft at line 67, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60, overapproximation of someUnaryDOUBLEoperation at line 106, overapproximation of someBinaryDOUBLEComparisonOperation at line 64. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 128; [L23] unsigned short int var_1_4 = 256; [L24] unsigned short int var_1_6 = 10000; [L25] unsigned short int var_1_7 = 10000; [L26] unsigned short int var_1_8 = 128; [L27] unsigned short int var_1_9 = 8; [L28] unsigned char var_1_10 = 100; [L29] unsigned char var_1_11 = 64; [L30] unsigned char var_1_12 = 16; [L31] unsigned short int var_1_13 = 256; [L32] unsigned short int var_1_17 = 4; [L33] double var_1_18 = 64.2; [L34] unsigned short int var_1_19 = 53045; [L35] double var_1_20 = 1.75; [L36] double var_1_21 = 50.35; [L37] double var_1_22 = 5.5; [L38] double var_1_23 = 7.125; [L39] unsigned long int var_1_24 = 50; [L40] unsigned long int var_1_25 = 1907531378; [L41] unsigned long int var_1_26 = 8; [L42] unsigned char var_1_27 = 0; [L43] signed long int var_1_28 = 8; [L44] signed long int var_1_30 = 1; [L45] unsigned long int var_1_35 = 1; [L46] double var_1_37 = 1.4; [L47] unsigned char var_1_40 = 1; [L48] unsigned char var_1_41 = 0; [L49] unsigned char var_1_42 = 0; [L50] signed char var_1_43 = 10; [L51] signed char var_1_45 = 25; [L52] signed char var_1_46 = 16; [L53] signed char var_1_47 = 32; [L54] unsigned long int last_1_var_1_24 = 50; [L55] unsigned char last_1_var_1_27 = 0; [L195] isInitial = 1 [L196] FCALL initially() [L197] COND TRUE 1 [L198] CALL updateLastVariables() [L187] last_1_var_1_24 = var_1_24 [L188] last_1_var_1_27 = var_1_27 [L198] RET updateLastVariables() [L199] CALL updateVariables() [L134] var_1_4 = __VERIFIER_nondet_ushort() [L135] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L136] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L137] var_1_6 = __VERIFIER_nondet_ushort() [L138] CALL assume_abort_if_not(var_1_6 >= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_6 >= 8191) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=10000, var_1_8=128, var_1_9=8] [L139] CALL assume_abort_if_not(var_1_6 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_6 <= 16384) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=10000, var_1_8=128, var_1_9=8] [L140] var_1_7 = __VERIFIER_nondet_ushort() [L141] CALL assume_abort_if_not(var_1_7 >= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_7 >= 8192) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=128, var_1_9=8] [L142] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=128, var_1_9=8] [L143] var_1_8 = __VERIFIER_nondet_ushort() [L144] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_9=8] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_9=8] [L145] CALL assume_abort_if_not(var_1_8 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=8] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_8 <= 16383) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=8] [L146] var_1_9 = __VERIFIER_nondet_ushort() [L147] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383] [L148] CALL assume_abort_if_not(var_1_9 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_9 <= 32767) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L149] var_1_11 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L151] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L152] var_1_12 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L154] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L155] var_1_18 = __VERIFIER_nondet_double() [L156] CALL assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L157] CALL assume_abort_if_not(var_1_18 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_18 != 0.0F) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L158] var_1_19 = __VERIFIER_nondet_ushort() [L159] CALL assume_abort_if_not(var_1_19 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_19 >= 49150) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L160] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L161] var_1_21 = __VERIFIER_nondet_double() [L162] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L163] var_1_22 = __VERIFIER_nondet_double() [L164] CALL assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L165] var_1_23 = __VERIFIER_nondet_double() [L166] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L167] var_1_25 = __VERIFIER_nondet_ulong() [L168] CALL assume_abort_if_not(var_1_25 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1891515222, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_25 >= 1073741823) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1891515222, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L169] CALL assume_abort_if_not(var_1_25 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1891515222, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_25 <= 2147483647) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1891515222, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=0, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L170] var_1_41 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_41 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1891515222, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=1, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_41 >= 1) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1891515222, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=1, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L172] CALL assume_abort_if_not(var_1_41 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1891515222, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=1, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_41 <= 1) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1891515222, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=1, var_1_42=0, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L173] var_1_42 = __VERIFIER_nondet_uchar() [L174] CALL assume_abort_if_not(var_1_42 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1891515222, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=1, var_1_42=1, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_42 >= 1) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1891515222, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=1, var_1_42=1, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L175] CALL assume_abort_if_not(var_1_42 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1891515222, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=1, var_1_42=1, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_42 <= 1) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1891515222, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=1, var_1_42=1, var_1_43=10, var_1_45=25, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L176] var_1_45 = __VERIFIER_nondet_char() [L177] CALL assume_abort_if_not(var_1_45 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1891515222, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=1, var_1_42=1, var_1_43=10, var_1_45=0, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_45 >= -1) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1891515222, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=1, var_1_42=1, var_1_43=10, var_1_45=0, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L178] CALL assume_abort_if_not(var_1_45 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1891515222, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=1, var_1_42=1, var_1_43=10, var_1_45=0, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_45 <= 126) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1891515222, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=1, var_1_42=1, var_1_43=10, var_1_45=0, var_1_46=16, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L179] var_1_46 = __VERIFIER_nondet_char() [L180] CALL assume_abort_if_not(var_1_46 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1891515222, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=1, var_1_42=1, var_1_43=10, var_1_45=0, var_1_46=0, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_46 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1891515222, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=1, var_1_42=1, var_1_43=10, var_1_45=0, var_1_46=0, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L181] CALL assume_abort_if_not(var_1_46 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1891515222, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=1, var_1_42=1, var_1_43=10, var_1_45=0, var_1_46=0, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_46 <= 126) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1891515222, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=1, var_1_42=1, var_1_43=10, var_1_45=0, var_1_46=0, var_1_47=32, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L182] var_1_47 = __VERIFIER_nondet_char() [L183] CALL assume_abort_if_not(var_1_47 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1891515222, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=1, var_1_42=1, var_1_43=10, var_1_45=0, var_1_46=0, var_1_47=126, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_47 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1891515222, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=1, var_1_42=1, var_1_43=10, var_1_45=0, var_1_46=0, var_1_47=126, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L184] CALL assume_abort_if_not(var_1_47 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1891515222, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=1, var_1_42=1, var_1_43=10, var_1_45=0, var_1_46=0, var_1_47=126, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_47 <= 126) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=0, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=49150, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1891515222, var_1_26=8, var_1_27=0, var_1_28=8, var_1_30=1, var_1_35=1, var_1_37=7/5, var_1_40=1, var_1_41=1, var_1_42=1, var_1_43=10, var_1_45=0, var_1_46=0, var_1_47=126, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L199] RET updateVariables() [L200] CALL step() [L59] COND FALSE !(\read(last_1_var_1_27)) [L62] var_1_20 = var_1_22 [L64] COND FALSE !((- 3.75) < ((((var_1_20) < (var_1_22)) ? (var_1_20) : (var_1_22)))) [L67] EXPR var_1_8 << var_1_4 [L67] COND TRUE var_1_9 < (var_1_8 << var_1_4) [L68] var_1_10 = (var_1_11 + var_1_12) [L72] unsigned char stepLocal_0 = var_1_27; [L73] COND TRUE (var_1_10 <= var_1_10) || stepLocal_0 [L74] var_1_13 = ((((((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10)))) > (var_1_10)) ? (((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10)))) : (var_1_10))) [L78] unsigned short int stepLocal_1 = var_1_7; [L79] COND FALSE !(stepLocal_1 == last_1_var_1_24) [L82] var_1_24 = (var_1_10 + (var_1_25 - var_1_11)) [L84] signed long int stepLocal_2 = var_1_19 - var_1_7; [L85] COND FALSE !(var_1_10 > stepLocal_2) [L88] COND FALSE !(var_1_20 < var_1_20) [L91] var_1_1 = (((var_1_6 + var_1_7) - var_1_10) + var_1_10) [L93] COND TRUE (var_1_20 / var_1_18) > var_1_20 [L94] var_1_17 = ((var_1_19 - ((((var_1_26) > (var_1_12)) ? (var_1_26) : (var_1_12)))) - var_1_7) [L96] var_1_28 = var_1_10 [L97] COND TRUE (var_1_19 + 100000000u) != ((((var_1_7) > (var_1_4)) ? (var_1_7) : (var_1_4))) [L98] var_1_30 = (((((var_1_10 + ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))))) > (var_1_7)) ? ((var_1_10 + ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))))) : (var_1_7))) [L102] var_1_35 = var_1_11 [L103] COND FALSE !(var_1_11 > var_1_6) [L106] var_1_37 = ((((var_1_21) < ((((((((49.2) > (var_1_22)) ? (49.2) : (var_1_22))) < 0 ) ? -((((49.2) > (var_1_22)) ? (49.2) : (var_1_22))) : ((((49.2) > (var_1_22)) ? (49.2) : (var_1_22))))))) ? (var_1_21) : ((((((((49.2) > (var_1_22)) ? (49.2) : (var_1_22))) < 0 ) ? -((((49.2) > (var_1_22)) ? (49.2) : (var_1_22))) : ((((49.2) > (var_1_22)) ? (49.2) : (var_1_22)))))))) [L108] COND TRUE var_1_7 <= var_1_19 [L109] COND TRUE var_1_18 <= var_1_22 [L110] var_1_40 = (! var_1_41) [L117] COND TRUE var_1_11 != (~ (var_1_10 % var_1_7)) [L118] var_1_43 = (var_1_45 - var_1_46) [L200] RET step() [L201] CALL, EXPR property() [L191] EXPR ((var_1_20 < var_1_20) ? (var_1_1 == ((unsigned short int) ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10))))) : (var_1_1 == ((unsigned short int) (((var_1_6 + var_1_7) - var_1_10) + var_1_10)))) && ((var_1_9 < (var_1_8 << var_1_4)) ? (var_1_10 == ((unsigned char) (var_1_11 + var_1_12))) : (var_1_10 == ((unsigned char) var_1_11))) [L191-L192] return ((((((((var_1_20 < var_1_20) ? (var_1_1 == ((unsigned short int) ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10))))) : (var_1_1 == ((unsigned short int) (((var_1_6 + var_1_7) - var_1_10) + var_1_10)))) && ((var_1_9 < (var_1_8 << var_1_4)) ? (var_1_10 == ((unsigned char) (var_1_11 + var_1_12))) : (var_1_10 == ((unsigned char) var_1_11)))) && (((var_1_10 <= var_1_10) || var_1_27) ? (var_1_13 == ((unsigned short int) ((((((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10)))) > (var_1_10)) ? (((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10)))) : (var_1_10))))) : (var_1_13 == ((unsigned short int) var_1_10)))) && (((var_1_20 / var_1_18) > var_1_20) ? (var_1_17 == ((unsigned short int) ((var_1_19 - ((((var_1_26) > (var_1_12)) ? (var_1_26) : (var_1_12)))) - var_1_7))) : 1)) && (last_1_var_1_27 ? (var_1_20 == ((double) (((((((((var_1_21) > (var_1_22)) ? (var_1_21) : (var_1_22)))) > (16.6)) ? (((((var_1_21) > (var_1_22)) ? (var_1_21) : (var_1_22)))) : (16.6))) - var_1_23))) : (var_1_20 == ((double) var_1_22)))) && ((var_1_7 == last_1_var_1_24) ? (var_1_24 == ((unsigned long int) (2332545940u - (1490203111u - var_1_11)))) : (var_1_24 == ((unsigned long int) (var_1_10 + (var_1_25 - var_1_11)))))) && ((var_1_10 > (var_1_19 - var_1_7)) ? (var_1_26 == ((unsigned long int) var_1_10)) : 1)) && (((- 3.75) < ((((var_1_20) < (var_1_22)) ? (var_1_20) : (var_1_22)))) ? (var_1_27 == ((unsigned char) 0)) : 1) ; [L201] RET, EXPR property() [L201] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_17=32759, var_1_19=49150, var_1_1=24574, var_1_20=3, var_1_21=2, var_1_22=3, var_1_24=1891515222, var_1_25=1891515222, var_1_26=8, var_1_27=0, var_1_28=0, var_1_30=16383, var_1_35=0, var_1_37=2, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=126, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_17=32759, var_1_19=49150, var_1_1=24574, var_1_20=3, var_1_21=2, var_1_22=3, var_1_24=1891515222, var_1_25=1891515222, var_1_26=8, var_1_27=0, var_1_28=0, var_1_30=16383, var_1_35=0, var_1_37=2, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=126, var_1_4=16383, var_1_6=8191, var_1_7=16383, var_1_8=16383, var_1_9=16383] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 33, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 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 [2023-12-02 16:58:19,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/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_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh --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 e07ba27107c0339a1f7e3501d4790d5de9caecf8620909022c4ae78f1c5afbea --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:58:21,562 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:58:21,638 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 16:58:21,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:58:21,644 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:58:21,672 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:58:21,672 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:58:21,673 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:58:21,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:58:21,674 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:58:21,675 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:58:21,675 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:58:21,676 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:58:21,677 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:58:21,677 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:58:21,678 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:58:21,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:58:21,679 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:58:21,680 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:58:21,681 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:58:21,681 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:58:21,682 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:58:21,682 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:58:21,683 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:58:21,683 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 16:58:21,684 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 16:58:21,684 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 16:58:21,685 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:58:21,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:58:21,686 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:58:21,686 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:58:21,687 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 16:58:21,687 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:58:21,687 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:58:21,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:58:21,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:58:21,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:58:21,688 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:58:21,688 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 16:58:21,689 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 16:58:21,689 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:58:21,689 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:58:21,690 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:58:21,690 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:58:21,690 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_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e07ba27107c0339a1f7e3501d4790d5de9caecf8620909022c4ae78f1c5afbea [2023-12-02 16:58:21,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:58:22,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:58:22,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:58:22,011 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:58:22,011 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:58:22,012 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-22.i [2023-12-02 16:58:24,990 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:58:25,230 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:58:25,231 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-22.i [2023-12-02 16:58:25,242 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/data/2394c130c/a037acbfa15745398dff4653972ceaa6/FLAG2c0dbf749 [2023-12-02 16:58:25,257 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/data/2394c130c/a037acbfa15745398dff4653972ceaa6 [2023-12-02 16:58:25,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:58:25,261 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:58:25,262 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:58:25,263 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:58:25,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:58:25,268 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:58:25" (1/1) ... [2023-12-02 16:58:25,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d4e2f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:25, skipping insertion in model container [2023-12-02 16:58:25,269 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:58:25" (1/1) ... [2023-12-02 16:58:25,308 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:58:25,463 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_edca7057-f389-471d-8497-14ee5e557a8f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-22.i[919,932] [2023-12-02 16:58:25,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:58:25,556 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:58:25,570 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_edca7057-f389-471d-8497-14ee5e557a8f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-22.i[919,932] [2023-12-02 16:58:25,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:58:25,631 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:58:25,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:25 WrapperNode [2023-12-02 16:58:25,632 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:58:25,633 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:58:25,633 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:58:25,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:58:25,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:25" (1/1) ... [2023-12-02 16:58:25,652 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:25" (1/1) ... [2023-12-02 16:58:25,686 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 202 [2023-12-02 16:58:25,686 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:58:25,687 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:58:25,687 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:58:25,687 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:58:25,698 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:25" (1/1) ... [2023-12-02 16:58:25,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:25" (1/1) ... [2023-12-02 16:58:25,704 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:25" (1/1) ... [2023-12-02 16:58:25,705 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:25" (1/1) ... [2023-12-02 16:58:25,719 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:25" (1/1) ... [2023-12-02 16:58:25,724 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:25" (1/1) ... [2023-12-02 16:58:25,728 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:25" (1/1) ... [2023-12-02 16:58:25,731 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:25" (1/1) ... [2023-12-02 16:58:25,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:58:25,738 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:58:25,739 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:58:25,739 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:58:25,740 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:25" (1/1) ... [2023-12-02 16:58:25,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:58:25,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:58:25,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:58:25,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:58:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:58:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 16:58:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 16:58:25,815 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 16:58:25,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:58:25,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:58:25,901 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:58:25,903 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:58:33,470 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:58:33,516 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:58:33,516 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 16:58:33,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:58:33 BoogieIcfgContainer [2023-12-02 16:58:33,517 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:58:33,519 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:58:33,520 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:58:33,522 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:58:33,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:58:25" (1/3) ... [2023-12-02 16:58:33,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@361ec73c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:58:33, skipping insertion in model container [2023-12-02 16:58:33,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:58:25" (2/3) ... [2023-12-02 16:58:33,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@361ec73c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:58:33, skipping insertion in model container [2023-12-02 16:58:33,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:58:33" (3/3) ... [2023-12-02 16:58:33,525 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-22.i [2023-12-02 16:58:33,541 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:58:33,541 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 16:58:33,585 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:58:33,592 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;@111e285b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:58:33,592 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 16:58:33,595 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 50 states have (on average 1.44) internal successors, (72), 51 states have internal predecessors, (72), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 16:58:33,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-12-02 16:58:33,611 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:58:33,612 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:58:33,613 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:58:33,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:58:33,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1374573932, now seen corresponding path program 1 times [2023-12-02 16:58:33,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:58:33,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1811927547] [2023-12-02 16:58:33,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:58:33,631 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 [2023-12-02 16:58:33,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:58:33,633 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 16:58:33,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:58:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:58:34,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 16:58:34,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:58:34,728 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1024 proven. 0 refuted. 0 times theorem prover too weak. 1088 trivial. 0 not checked. [2023-12-02 16:58:34,728 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:58:34,729 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:58:34,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1811927547] [2023-12-02 16:58:34,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1811927547] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:58:34,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:58:34,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 16:58:34,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718792897] [2023-12-02 16:58:34,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:58:34,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 16:58:34,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:58:34,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 16:58:34,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:58:34,773 INFO L87 Difference]: Start difference. First operand has 86 states, 50 states have (on average 1.44) internal successors, (72), 51 states have internal predecessors, (72), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-12-02 16:58:37,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:58:37,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:58:37,611 INFO L93 Difference]: Finished difference Result 166 states and 301 transitions. [2023-12-02 16:58:37,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 16:58:37,820 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 205 [2023-12-02 16:58:37,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:58:37,827 INFO L225 Difference]: With dead ends: 166 [2023-12-02 16:58:37,827 INFO L226 Difference]: Without dead ends: 81 [2023-12-02 16:58:37,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:58:37,833 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 16:58:37,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 16:58:37,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-12-02 16:58:37,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-12-02 16:58:37,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 46 states have (on average 1.2391304347826086) internal successors, (57), 46 states have internal predecessors, (57), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 16:58:37,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 123 transitions. [2023-12-02 16:58:37,881 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 123 transitions. Word has length 205 [2023-12-02 16:58:37,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:58:37,881 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 123 transitions. [2023-12-02 16:58:37,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-12-02 16:58:37,882 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 123 transitions. [2023-12-02 16:58:37,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-12-02 16:58:37,887 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:58:37,888 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:58:37,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:58:38,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:58:38,089 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:58:38,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:58:38,089 INFO L85 PathProgramCache]: Analyzing trace with hash -424867608, now seen corresponding path program 1 times [2023-12-02 16:58:38,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:58:38,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [408014245] [2023-12-02 16:58:38,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:58:38,090 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 [2023-12-02 16:58:38,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:58:38,091 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 16:58:38,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:58:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:58:39,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 16:58:39,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:58:40,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-02 16:58:40,983 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:58:40,984 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:58:40,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [408014245] [2023-12-02 16:58:40,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [408014245] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:58:40,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:58:40,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 16:58:40,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803265513] [2023-12-02 16:58:40,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:58:40,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:58:40,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:58:40,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:58:40,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:58:40,989 INFO L87 Difference]: Start difference. First operand 81 states and 123 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 16:58:44,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:58:44,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:58:44,070 INFO L93 Difference]: Finished difference Result 161 states and 245 transitions. [2023-12-02 16:58:44,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 16:58:44,287 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2023-12-02 16:58:44,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:58:44,290 INFO L225 Difference]: With dead ends: 161 [2023-12-02 16:58:44,291 INFO L226 Difference]: Without dead ends: 81 [2023-12-02 16:58:44,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 16:58:44,293 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 87 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 68 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:58:44,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 117 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2023-12-02 16:58:44,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-12-02 16:58:44,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-12-02 16:58:44,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 46 states have internal predecessors, (56), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 16:58:44,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 122 transitions. [2023-12-02 16:58:44,312 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 122 transitions. Word has length 205 [2023-12-02 16:58:44,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:58:44,314 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 122 transitions. [2023-12-02 16:58:44,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 16:58:44,314 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 122 transitions. [2023-12-02 16:58:44,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-12-02 16:58:44,318 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:58:44,319 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:58:44,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 16:58:44,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:58:44,519 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:58:44,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:58:44,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1242516058, now seen corresponding path program 1 times [2023-12-02 16:58:44,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:58:44,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1264012231] [2023-12-02 16:58:44,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:58:44,521 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 [2023-12-02 16:58:44,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:58:44,522 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 16:58:44,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:58:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:58:45,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 16:58:45,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:58:51,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 518 proven. 162 refuted. 0 times theorem prover too weak. 1432 trivial. 0 not checked. [2023-12-02 16:58:51,687 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:58:53,113 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:58:53,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1264012231] [2023-12-02 16:58:53,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1264012231] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:58:53,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [952331164] [2023-12-02 16:58:53,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:58:53,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 16:58:53,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 16:58:53,116 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 16:58:53,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 16:58:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:58:54,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 16:58:54,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:58:58,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 488 proven. 84 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-12-02 16:58:58,801 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:58:59,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [952331164] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:58:59,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279514155] [2023-12-02 16:58:59,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:58:59,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:58:59,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:58:59,548 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:58:59,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 16:59:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:59:00,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 16:59:00,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:59:02,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 276 proven. 90 refuted. 0 times theorem prover too weak. 1746 trivial. 0 not checked. [2023-12-02 16:59:02,750 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:59:03,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279514155] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:59:03,236 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 16:59:03,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 5] total 15 [2023-12-02 16:59:03,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592402455] [2023-12-02 16:59:03,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 16:59:03,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-02 16:59:03,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:59:03,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-02 16:59:03,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2023-12-02 16:59:03,241 INFO L87 Difference]: Start difference. First operand 81 states and 122 transitions. Second operand has 15 states, 15 states have (on average 8.133333333333333) internal successors, (122), 15 states have internal predecessors, (122), 5 states have call successors, (93), 5 states have call predecessors, (93), 8 states have return successors, (94), 5 states have call predecessors, (94), 5 states have call successors, (94) [2023-12-02 16:59:09,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:11,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:13,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:15,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:17,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:19,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:21,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:23,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:26,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:28,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:30,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:32,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:34,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:36,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:38,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:40,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:42,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:44,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:48,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:51,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:53,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:56,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:58,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:00:00,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:00:02,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:00:04,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:00:06,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:00:08,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:00:10,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:00:12,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:00:14,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:00:16,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:00:18,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:00:20,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:00:20,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:00:20,159 INFO L93 Difference]: Finished difference Result 262 states and 381 transitions. [2023-12-02 17:00:20,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 17:00:20,391 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 8.133333333333333) internal successors, (122), 15 states have internal predecessors, (122), 5 states have call successors, (93), 5 states have call predecessors, (93), 8 states have return successors, (94), 5 states have call predecessors, (94), 5 states have call successors, (94) Word has length 205 [2023-12-02 17:00:20,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:00:20,394 INFO L225 Difference]: With dead ends: 262 [2023-12-02 17:00:20,394 INFO L226 Difference]: Without dead ends: 182 [2023-12-02 17:00:20,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1011 GetRequests, 970 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=460, Invalid=1346, Unknown=0, NotChecked=0, Total=1806 [2023-12-02 17:00:20,396 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 186 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 106 mSolverCounterUnsat, 34 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 74.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 34 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.9s IncrementalHoareTripleChecker+Time [2023-12-02 17:00:20,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 499 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 572 Invalid, 34 Unknown, 0 Unchecked, 74.9s Time] [2023-12-02 17:00:20,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2023-12-02 17:00:20,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 160. [2023-12-02 17:00:20,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 87 states have (on average 1.1264367816091954) internal successors, (98), 87 states have internal predecessors, (98), 66 states have call successors, (66), 6 states have call predecessors, (66), 6 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-12-02 17:00:20,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 230 transitions. [2023-12-02 17:00:20,443 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 230 transitions. Word has length 205 [2023-12-02 17:00:20,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:00:20,444 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 230 transitions. [2023-12-02 17:00:20,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.133333333333333) internal successors, (122), 15 states have internal predecessors, (122), 5 states have call successors, (93), 5 states have call predecessors, (93), 8 states have return successors, (94), 5 states have call predecessors, (94), 5 states have call successors, (94) [2023-12-02 17:00:20,445 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 230 transitions. [2023-12-02 17:00:20,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-12-02 17:00:20,448 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:00:20,449 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:00:20,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-02 17:00:20,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 17:00:20,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-02 17:00:21,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:00:21,050 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:00:21,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:00:21,050 INFO L85 PathProgramCache]: Analyzing trace with hash 2098592290, now seen corresponding path program 1 times [2023-12-02 17:00:21,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:00:21,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [56492322] [2023-12-02 17:00:21,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:00:21,051 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 [2023-12-02 17:00:21,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:00:21,052 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 17:00:21,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-02 17:00:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:00:22,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 17:00:22,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:00:26,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1210 proven. 204 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2023-12-02 17:00:26,920 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:00:27,349 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:00:27,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [56492322] [2023-12-02 17:00:27,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [56492322] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:00:27,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1327649436] [2023-12-02 17:00:27,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:00:27,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 17:00:27,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 17:00:27,351 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 17:00:27,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 17:00:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:00:29,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 17:00:29,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:00:32,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1271 proven. 126 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2023-12-02 17:00:32,585 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:00:33,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1327649436] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:00:33,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729443490] [2023-12-02 17:00:33,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:00:33,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:00:33,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:00:33,365 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:00:33,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-02 17:00:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:00:34,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 17:00:34,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:00:37,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1271 proven. 126 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2023-12-02 17:00:37,360 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:00:37,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729443490] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:00:37,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 17:00:37,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 16 [2023-12-02 17:00:37,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955425141] [2023-12-02 17:00:37,904 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 17:00:37,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-02 17:00:37,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:00:37,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-02 17:00:37,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2023-12-02 17:00:37,907 INFO L87 Difference]: Start difference. First operand 160 states and 230 transitions. Second operand has 16 states, 16 states have (on average 6.1875) internal successors, (99), 15 states have internal predecessors, (99), 6 states have call successors, (61), 6 states have call predecessors, (61), 9 states have return successors, (62), 6 states have call predecessors, (62), 6 states have call successors, (62) [2023-12-02 17:00:43,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:00:45,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:00:49,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:00:51,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:00:53,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:00:55,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:00:57,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:00:59,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:01:01,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:01:03,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:01:05,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:01:06,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:01:06,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:01:06,874 INFO L93 Difference]: Finished difference Result 268 states and 373 transitions. [2023-12-02 17:01:07,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 17:01:07,103 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.1875) internal successors, (99), 15 states have internal predecessors, (99), 6 states have call successors, (61), 6 states have call predecessors, (61), 9 states have return successors, (62), 6 states have call predecessors, (62), 6 states have call successors, (62) Word has length 205 [2023-12-02 17:01:07,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:01:07,105 INFO L225 Difference]: With dead ends: 268 [2023-12-02 17:01:07,106 INFO L226 Difference]: Without dead ends: 184 [2023-12-02 17:01:07,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 863 GetRequests, 838 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=169, Invalid=533, Unknown=0, NotChecked=0, Total=702 [2023-12-02 17:01:07,108 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 110 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 24 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:01:07,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 345 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 502 Invalid, 10 Unknown, 0 Unchecked, 28.3s Time] [2023-12-02 17:01:07,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2023-12-02 17:01:07,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 176. [2023-12-02 17:01:07,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 99 states have (on average 1.0909090909090908) internal successors, (108), 99 states have internal predecessors, (108), 66 states have call successors, (66), 10 states have call predecessors, (66), 10 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-12-02 17:01:07,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 240 transitions. [2023-12-02 17:01:07,142 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 240 transitions. Word has length 205 [2023-12-02 17:01:07,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:01:07,143 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 240 transitions. [2023-12-02 17:01:07,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.1875) internal successors, (99), 15 states have internal predecessors, (99), 6 states have call successors, (61), 6 states have call predecessors, (61), 9 states have return successors, (62), 6 states have call predecessors, (62), 6 states have call successors, (62) [2023-12-02 17:01:07,144 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 240 transitions. [2023-12-02 17:01:07,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-12-02 17:01:07,150 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:01:07,150 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:01:07,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 17:01:07,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-12-02 17:01:07,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-02 17:01:07,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:01:07,752 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:01:07,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:01:07,752 INFO L85 PathProgramCache]: Analyzing trace with hash -343576019, now seen corresponding path program 1 times [2023-12-02 17:01:07,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:01:07,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [637154247] [2023-12-02 17:01:07,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:01:07,753 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 [2023-12-02 17:01:07,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:01:07,753 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 17:01:07,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edca7057-f389-471d-8497-14ee5e557a8f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-02 17:01:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:01:09,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 48 conjunts are in the unsatisfiable core [2023-12-02 17:01:09,819 INFO L285 TraceCheckSpWp]: Computing forward predicates...