./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/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_e02e147f-cdd1-4add-9b3e-c49840c81dc4/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/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_e02e147f-cdd1-4add-9b3e-c49840c81dc4/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 49545640dd925d4c31e59eb3d83efb5108abe1806a06d3562ebf812b215f9bd5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:37:14,206 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:37:14,268 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 15:37:14,272 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:37:14,272 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:37:14,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:37:14,295 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:37:14,296 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:37:14,297 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:37:14,297 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:37:14,298 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:37:14,298 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:37:14,299 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:37:14,299 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:37:14,300 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:37:14,300 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:37:14,301 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:37:14,301 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:37:14,302 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:37:14,302 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:37:14,303 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:37:14,304 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:37:14,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:37:14,305 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:37:14,305 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:37:14,306 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:37:14,306 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:37:14,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:37:14,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:37:14,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:37:14,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:37:14,308 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:37:14,309 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:37:14,309 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:37:14,309 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:37:14,309 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:37:14,309 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:37:14,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:37:14,310 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:37:14,310 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:37:14,310 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:37:14,311 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:37:14,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:37:14,311 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:37:14,311 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:37:14,311 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:37:14,311 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:37:14,312 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_e02e147f-cdd1-4add-9b3e-c49840c81dc4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49545640dd925d4c31e59eb3d83efb5108abe1806a06d3562ebf812b215f9bd5 [2023-12-02 15:37:14,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:37:14,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:37:14,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:37:14,533 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:37:14,534 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:37:14,535 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i [2023-12-02 15:37:17,229 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:37:17,420 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:37:17,420 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i [2023-12-02 15:37:17,430 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/bin/utaipan-verify-nQ1chXbOIh/data/457cf330d/05db06bd27cc4d398959d68a53be0e9f/FLAG22cb75ea6 [2023-12-02 15:37:17,442 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/bin/utaipan-verify-nQ1chXbOIh/data/457cf330d/05db06bd27cc4d398959d68a53be0e9f [2023-12-02 15:37:17,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:37:17,445 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:37:17,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:37:17,446 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:37:17,451 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:37:17,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:37:17" (1/1) ... [2023-12-02 15:37:17,453 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cf03871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:17, skipping insertion in model container [2023-12-02 15:37:17,453 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:37:17" (1/1) ... [2023-12-02 15:37:17,485 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:37:17,614 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_e02e147f-cdd1-4add-9b3e-c49840c81dc4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i[915,928] [2023-12-02 15:37:17,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:37:17,685 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:37:17,695 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_e02e147f-cdd1-4add-9b3e-c49840c81dc4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i[915,928] [2023-12-02 15:37:17,730 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:37:17,746 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:37:17,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:17 WrapperNode [2023-12-02 15:37:17,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:37:17,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:37:17,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:37:17,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:37:17,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:17" (1/1) ... [2023-12-02 15:37:17,764 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:17" (1/1) ... [2023-12-02 15:37:17,804 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2023-12-02 15:37:17,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:37:17,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:37:17,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:37:17,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:37:17,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:17" (1/1) ... [2023-12-02 15:37:17,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:17" (1/1) ... [2023-12-02 15:37:17,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:17" (1/1) ... [2023-12-02 15:37:17,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:17" (1/1) ... [2023-12-02 15:37:17,831 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:17" (1/1) ... [2023-12-02 15:37:17,835 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:17" (1/1) ... [2023-12-02 15:37:17,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:17" (1/1) ... [2023-12-02 15:37:17,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:17" (1/1) ... [2023-12-02 15:37:17,844 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:37:17,846 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:37:17,846 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:37:17,846 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:37:17,847 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:17" (1/1) ... [2023-12-02 15:37:17,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:37:17,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:37:17,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:37:17,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:37:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:37:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:37:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:37:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:37:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:37:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:37:17,989 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:37:17,991 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:37:18,283 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:37:18,462 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:37:18,463 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:37:18,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:37:18 BoogieIcfgContainer [2023-12-02 15:37:18,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:37:18,467 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:37:18,467 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:37:18,470 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:37:18,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:37:17" (1/3) ... [2023-12-02 15:37:18,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b482040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:37:18, skipping insertion in model container [2023-12-02 15:37:18,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:17" (2/3) ... [2023-12-02 15:37:18,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b482040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:37:18, skipping insertion in model container [2023-12-02 15:37:18,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:37:18" (3/3) ... [2023-12-02 15:37:18,473 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-36.i [2023-12-02 15:37:18,493 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:37:18,493 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:37:18,541 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:37:18,547 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;@54025e05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:37:18,548 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:37:18,552 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 15:37:18,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-02 15:37:18,563 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:37:18,564 INFO L195 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:37:18,564 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:37:18,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:37:18,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1790984465, now seen corresponding path program 1 times [2023-12-02 15:37:18,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:37:18,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437911618] [2023-12-02 15:37:18,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:37:18,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:37:18,732 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 15:37:18,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1364333958] [2023-12-02 15:37:18,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:37:18,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:37:18,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:37:18,738 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:37:18,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 15:37:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:37:18,919 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 15:37:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:37:19,063 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 15:37:19,065 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 15:37:19,066 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 15:37:19,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 15:37:19,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 15:37:19,273 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 15:37:19,277 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 15:37:19,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:37:19 BoogieIcfgContainer [2023-12-02 15:37:19,359 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 15:37:19,360 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 15:37:19,360 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 15:37:19,360 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 15:37:19,361 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:37:18" (3/4) ... [2023-12-02 15:37:19,363 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 15:37:19,364 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 15:37:19,365 INFO L158 Benchmark]: Toolchain (without parser) took 1919.75ms. Allocated memory is still 161.5MB. Free memory was 123.9MB in the beginning and 84.3MB in the end (delta: 39.6MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. [2023-12-02 15:37:19,365 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 94.4MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:37:19,366 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.89ms. Allocated memory is still 161.5MB. Free memory was 123.4MB in the beginning and 109.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 15:37:19,367 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.09ms. Allocated memory is still 161.5MB. Free memory was 109.3MB in the beginning and 106.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 15:37:19,367 INFO L158 Benchmark]: Boogie Preprocessor took 39.60ms. Allocated memory is still 161.5MB. Free memory was 106.1MB in the beginning and 104.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:37:19,368 INFO L158 Benchmark]: RCFGBuilder took 618.87ms. Allocated memory is still 161.5MB. Free memory was 104.0MB in the beginning and 128.4MB in the end (delta: -24.4MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. [2023-12-02 15:37:19,368 INFO L158 Benchmark]: TraceAbstraction took 892.67ms. Allocated memory is still 161.5MB. Free memory was 127.6MB in the beginning and 85.1MB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-12-02 15:37:19,369 INFO L158 Benchmark]: Witness Printer took 3.84ms. Allocated memory is still 161.5MB. Free memory was 85.1MB in the beginning and 84.3MB in the end (delta: 810.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:37:19,372 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 94.4MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.89ms. Allocated memory is still 161.5MB. Free memory was 123.4MB in the beginning and 109.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.09ms. Allocated memory is still 161.5MB. Free memory was 109.3MB in the beginning and 106.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.60ms. Allocated memory is still 161.5MB. Free memory was 106.1MB in the beginning and 104.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 618.87ms. Allocated memory is still 161.5MB. Free memory was 104.0MB in the beginning and 128.4MB in the end (delta: -24.4MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. * TraceAbstraction took 892.67ms. Allocated memory is still 161.5MB. Free memory was 127.6MB in the beginning and 85.1MB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 3.84ms. Allocated memory is still 161.5MB. Free memory was 85.1MB in the beginning and 84.3MB in the end (delta: 810.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 51, overapproximation of someBinaryFLOATComparisonOperation at line 134, overapproximation of someBinaryArithmeticDOUBLEoperation at line 51. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 8.75; [L23] unsigned char var_1_2 = 1; [L24] double var_1_3 = 9.6; [L25] double var_1_4 = 7.625; [L26] double var_1_5 = 1.5; [L27] double var_1_6 = 63.17; [L28] double var_1_7 = 15.5; [L29] unsigned short int var_1_8 = 4; [L30] unsigned short int var_1_9 = 45624; [L31] unsigned short int var_1_10 = 39447; [L32] unsigned short int var_1_11 = 10; [L33] double var_1_12 = 255.5; [L34] double var_1_13 = 0.0; [L35] double var_1_14 = 127.5; [L36] float var_1_15 = 8.2; [L37] float var_1_16 = 2.8; [L38] signed short int var_1_17 = 8; [L39] double var_1_18 = 24.8; [L40] signed short int var_1_19 = -256; [L41] signed short int var_1_20 = 8; [L42] signed short int var_1_21 = 16; [L43] unsigned short int var_1_22 = 2; [L44] unsigned short int var_1_24 = 16; [L45] unsigned char var_1_25 = 0; [L46] unsigned short int last_1_var_1_22 = 2; [L138] isInitial = 1 [L139] FCALL initially() [L140] COND TRUE 1 [L141] CALL updateLastVariables() [L131] last_1_var_1_22 = var_1_22 [L141] RET updateLastVariables() [L142] CALL updateVariables() [L90] var_1_2 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_3=48/5, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_3=48/5, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L92] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_3=48/5, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_3=48/5, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L93] var_1_3 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L95] var_1_4 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L97] var_1_5 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L99] var_1_6 = __VERIFIER_nondet_double() [L100] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L101] var_1_7 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=45624] [L103] var_1_9 = __VERIFIER_nondet_ushort() [L104] CALL assume_abort_if_not(var_1_9 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_9 >= 32767) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L105] CALL assume_abort_if_not(var_1_9 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_9 <= 65534) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L106] var_1_10 = __VERIFIER_nondet_ushort() [L107] CALL assume_abort_if_not(var_1_10 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_10 >= 32767) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L108] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L109] var_1_11 = __VERIFIER_nondet_ushort() [L110] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L111] CALL assume_abort_if_not(var_1_11 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_11 <= 32767) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L112] var_1_13 = __VERIFIER_nondet_double() [L113] CALL assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L114] var_1_18 = __VERIFIER_nondet_double() [L115] 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_22=2, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L20] COND FALSE !(!cond) [L115] 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_22=2, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L116] CALL assume_abort_if_not(var_1_18 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_18 != 0.0F) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L117] var_1_19 = __VERIFIER_nondet_short() [L118] CALL assume_abort_if_not(var_1_19 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_19 >= -32767) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L119] CALL assume_abort_if_not(var_1_19 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_19 <= 32766) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L120] var_1_20 = __VERIFIER_nondet_short() [L121] CALL assume_abort_if_not(var_1_20 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=2, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_20 >= -1) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=2, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L122] CALL assume_abort_if_not(var_1_20 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=2, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_20 <= 32766) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=2, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L123] var_1_21 = __VERIFIER_nondet_short() [L124] CALL assume_abort_if_not(var_1_21 >= -32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=2, var_1_21=1, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_21 >= -32766) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=2, var_1_21=1, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L125] CALL assume_abort_if_not(var_1_21 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=2, var_1_21=1, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_21 <= 32766) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=2, var_1_21=1, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65534] [L126] var_1_25 = __VERIFIER_nondet_uchar() [L127] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=2, var_1_21=1, var_1_22=2, var_1_24=16, var_1_2=1, var_1_8=4, var_1_9=65534] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=2, var_1_21=1, var_1_22=2, var_1_24=16, var_1_2=1, var_1_8=4, var_1_9=65534] [L128] CALL assume_abort_if_not(var_1_25 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=2, var_1_21=1, var_1_22=2, var_1_24=16, var_1_25=1, var_1_2=1, var_1_8=4, var_1_9=65534] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_25 <= 1) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=2, var_1_21=1, var_1_22=2, var_1_24=16, var_1_25=1, var_1_2=1, var_1_8=4, var_1_9=65534] [L142] RET updateVariables() [L143] CALL step() [L50] COND TRUE \read(var_1_2) [L51] var_1_1 = (((((((((var_1_3 - var_1_4)) > (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))) ? ((var_1_3 - var_1_4)) : (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))))) < (var_1_7)) ? ((((((var_1_3 - var_1_4)) > (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))) ? ((var_1_3 - var_1_4)) : (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))))) : (var_1_7))) [L53] var_1_8 = (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_11) [L54] COND TRUE \read(var_1_2) [L55] var_1_12 = (((((var_1_3 - (var_1_13 - 128.68))) < (var_1_7)) ? ((var_1_3 - (var_1_13 - 128.68))) : (var_1_7))) [L57] var_1_14 = var_1_6 [L58] COND TRUE var_1_13 >= var_1_14 [L59] COND TRUE \read(var_1_2) [L60] COND FALSE !(var_1_8 == var_1_11) [L65] COND TRUE var_1_3 <= var_1_4 [L66] var_1_16 = ((((var_1_6) < (var_1_4)) ? (var_1_6) : (var_1_4))) [L68] unsigned short int stepLocal_0 = var_1_11; [L69] COND TRUE var_1_7 >= (var_1_5 / ((((var_1_13) < (var_1_18)) ? (var_1_13) : (var_1_18)))) [L70] COND FALSE !((var_1_10 + var_1_9) <= stepLocal_0) [L75] var_1_17 = (var_1_20 - ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21)))) [L80] COND FALSE !((var_1_11 + var_1_20) <= ((var_1_21 * last_1_var_1_22) * var_1_19)) [L83] COND FALSE !(var_1_9 < var_1_11) [L143] RET step() [L144] CALL, EXPR property() [L134-L135] return ((((((((var_1_2 ? (var_1_1 == ((double) (((((((((var_1_3 - var_1_4)) > (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))) ? ((var_1_3 - var_1_4)) : (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))))) < (var_1_7)) ? ((((((var_1_3 - var_1_4)) > (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))) ? ((var_1_3 - var_1_4)) : (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))))) : (var_1_7))))) : 1) && (var_1_8 == ((unsigned short int) (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_11)))) && (var_1_2 ? (var_1_12 == ((double) (((((var_1_3 - (var_1_13 - 128.68))) < (var_1_7)) ? ((var_1_3 - (var_1_13 - 128.68))) : (var_1_7))))) : 1)) && (var_1_14 == ((double) var_1_6))) && ((var_1_13 >= var_1_14) ? (var_1_2 ? ((var_1_8 == var_1_11) ? (var_1_15 == ((float) 10.975f)) : 1) : 1) : 1)) && ((var_1_3 <= var_1_4) ? (var_1_16 == ((float) ((((var_1_6) < (var_1_4)) ? (var_1_6) : (var_1_4))))) : 1)) && ((var_1_7 >= (var_1_5 / ((((var_1_13) < (var_1_18)) ? (var_1_13) : (var_1_18))))) ? (((var_1_10 + var_1_9) <= var_1_11) ? (var_1_2 ? (var_1_17 == ((signed short int) var_1_19)) : 1) : (var_1_17 == ((signed short int) (var_1_20 - ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))))))) : (var_1_17 == ((signed short int) var_1_21)))) && (((var_1_11 + var_1_20) <= ((var_1_21 * last_1_var_1_22) * var_1_19)) ? (var_1_22 == ((unsigned short int) (((((var_1_9 - var_1_11)) > (var_1_10)) ? ((var_1_9 - var_1_11)) : (var_1_10))))) : 1)) && ((var_1_9 < var_1_11) ? ((var_1_2 || var_1_25) ? (var_1_24 == ((unsigned short int) 128)) : 1) : 1) ; [L144] RET, EXPR property() [L144] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_11=0, var_1_12=2, var_1_14=14/5, var_1_15=41/5, var_1_16=14/5, var_1_17=1, var_1_19=-32767, var_1_1=3, var_1_20=2, var_1_21=1, var_1_22=2, var_1_24=16, var_1_25=1, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=14/5, var_1_7=0, var_1_8=32767, var_1_9=65534] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_22=2, var_1_10=32767, var_1_11=0, var_1_12=2, var_1_14=14/5, var_1_15=41/5, var_1_16=14/5, var_1_17=1, var_1_19=-32767, var_1_1=3, var_1_20=2, var_1_21=1, var_1_22=2, var_1_24=16, var_1_25=1, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=14/5, var_1_7=0, var_1_8=32767, var_1_9=65534] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 24, 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=48occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 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 15:37:19,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/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_e02e147f-cdd1-4add-9b3e-c49840c81dc4/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/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_e02e147f-cdd1-4add-9b3e-c49840c81dc4/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 49545640dd925d4c31e59eb3d83efb5108abe1806a06d3562ebf812b215f9bd5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:37:21,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:37:21,330 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 15:37:21,336 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:37:21,337 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:37:21,364 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:37:21,365 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:37:21,365 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:37:21,366 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:37:21,367 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:37:21,367 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:37:21,368 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:37:21,368 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:37:21,369 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:37:21,369 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:37:21,370 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:37:21,371 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:37:21,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:37:21,372 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:37:21,372 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:37:21,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:37:21,373 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:37:21,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:37:21,374 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:37:21,374 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 15:37:21,375 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 15:37:21,375 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 15:37:21,375 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:37:21,376 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:37:21,376 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:37:21,376 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:37:21,377 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 15:37:21,377 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:37:21,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:37:21,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:37:21,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:37:21,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:37:21,378 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:37:21,378 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 15:37:21,379 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 15:37:21,379 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:37:21,379 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:37:21,379 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:37:21,380 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:37:21,380 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_e02e147f-cdd1-4add-9b3e-c49840c81dc4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49545640dd925d4c31e59eb3d83efb5108abe1806a06d3562ebf812b215f9bd5 [2023-12-02 15:37:21,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:37:21,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:37:21,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:37:21,701 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:37:21,702 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:37:21,703 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i [2023-12-02 15:37:24,477 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:37:24,669 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:37:24,669 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i [2023-12-02 15:37:24,679 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/bin/utaipan-verify-nQ1chXbOIh/data/c7fa39203/19b4d7a1471a477b8b085b7488b0b4fd/FLAG2893ea7db [2023-12-02 15:37:24,693 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/bin/utaipan-verify-nQ1chXbOIh/data/c7fa39203/19b4d7a1471a477b8b085b7488b0b4fd [2023-12-02 15:37:24,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:37:24,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:37:24,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:37:24,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:37:24,703 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:37:24,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:37:24" (1/1) ... [2023-12-02 15:37:24,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4288ad73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:24, skipping insertion in model container [2023-12-02 15:37:24,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:37:24" (1/1) ... [2023-12-02 15:37:24,738 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:37:24,894 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_e02e147f-cdd1-4add-9b3e-c49840c81dc4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i[915,928] [2023-12-02 15:37:24,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:37:24,971 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:37:24,984 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_e02e147f-cdd1-4add-9b3e-c49840c81dc4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i[915,928] [2023-12-02 15:37:25,016 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:37:25,035 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:37:25,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:25 WrapperNode [2023-12-02 15:37:25,035 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:37:25,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:37:25,037 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:37:25,037 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:37:25,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:25" (1/1) ... [2023-12-02 15:37:25,057 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:25" (1/1) ... [2023-12-02 15:37:25,087 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 153 [2023-12-02 15:37:25,088 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:37:25,089 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:37:25,089 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:37:25,089 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:37:25,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:25" (1/1) ... [2023-12-02 15:37:25,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:25" (1/1) ... [2023-12-02 15:37:25,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:25" (1/1) ... [2023-12-02 15:37:25,104 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:25" (1/1) ... [2023-12-02 15:37:25,117 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:25" (1/1) ... [2023-12-02 15:37:25,120 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:25" (1/1) ... [2023-12-02 15:37:25,124 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:25" (1/1) ... [2023-12-02 15:37:25,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:25" (1/1) ... [2023-12-02 15:37:25,132 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:37:25,133 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:37:25,133 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:37:25,133 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:37:25,134 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:25" (1/1) ... [2023-12-02 15:37:25,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:37:25,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:37:25,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:37:25,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:37:25,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:37:25,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 15:37:25,206 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:37:25,207 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:37:25,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:37:25,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:37:25,290 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:37:25,292 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:37:33,957 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:37:33,997 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:37:33,997 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:37:33,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:37:33 BoogieIcfgContainer [2023-12-02 15:37:33,998 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:37:34,000 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:37:34,001 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:37:34,004 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:37:34,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:37:24" (1/3) ... [2023-12-02 15:37:34,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a6b2b91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:37:34, skipping insertion in model container [2023-12-02 15:37:34,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:25" (2/3) ... [2023-12-02 15:37:34,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a6b2b91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:37:34, skipping insertion in model container [2023-12-02 15:37:34,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:37:33" (3/3) ... [2023-12-02 15:37:34,007 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-36.i [2023-12-02 15:37:34,025 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:37:34,025 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:37:34,069 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:37:34,074 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;@653a79b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:37:34,074 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:37:34,077 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 40 states have (on average 1.425) internal successors, (57), 41 states have internal predecessors, (57), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 15:37:34,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-12-02 15:37:34,092 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:37:34,092 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:37:34,093 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:37:34,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:37:34,097 INFO L85 PathProgramCache]: Analyzing trace with hash 970495854, now seen corresponding path program 1 times [2023-12-02 15:37:34,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:37:34,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1933639164] [2023-12-02 15:37:34,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:37:34,109 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 15:37:34,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:37:34,144 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/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 15:37:34,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/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 15:37:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:37:35,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 15:37:35,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:37:35,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2023-12-02 15:37:35,370 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:37:35,371 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:37:35,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1933639164] [2023-12-02 15:37:35,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1933639164] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:37:35,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:37:35,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:37:35,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342534319] [2023-12-02 15:37:35,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:37:35,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 15:37:35,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:37:35,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 15:37:35,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:37:35,409 INFO L87 Difference]: Start difference. First operand has 67 states, 40 states have (on average 1.425) internal successors, (57), 41 states have internal predecessors, (57), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-02 15:37:38,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:37:38,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:37:38,370 INFO L93 Difference]: Finished difference Result 131 states and 232 transitions. [2023-12-02 15:37:38,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 15:37:38,593 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 150 [2023-12-02 15:37:38,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:37:38,599 INFO L225 Difference]: With dead ends: 131 [2023-12-02 15:37:38,599 INFO L226 Difference]: Without dead ends: 65 [2023-12-02 15:37:38,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 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 15:37:38,606 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-02 15:37:38,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2023-12-02 15:37:38,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-12-02 15:37:38,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-12-02 15:37:38,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 39 states have internal predecessors, (52), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 15:37:38,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 100 transitions. [2023-12-02 15:37:38,643 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 100 transitions. Word has length 150 [2023-12-02 15:37:38,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:37:38,644 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 100 transitions. [2023-12-02 15:37:38,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-02 15:37:38,644 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 100 transitions. [2023-12-02 15:37:38,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-12-02 15:37:38,648 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:37:38,648 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:37:38,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/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 15:37:38,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/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 15:37:38,849 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:37:38,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:37:38,850 INFO L85 PathProgramCache]: Analyzing trace with hash -114101770, now seen corresponding path program 1 times [2023-12-02 15:37:38,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:37:38,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1276628012] [2023-12-02 15:37:38,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:37:38,851 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 15:37:38,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:37:38,852 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/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 15:37:38,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02e147f-cdd1-4add-9b3e-c49840c81dc4/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 15:37:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:37:40,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 15:37:40,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:39:06,043 WARN L293 SmtUtils]: Spent 7.52s on a formula simplification. DAG size of input: 78 DAG size of output: 76 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:39:37,376 WARN L293 SmtUtils]: Spent 7.45s on a formula simplification that was a NOOP. DAG size: 95 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:41:27,364 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse19 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse20 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse20))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse19))) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse20)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode .cse19))) (and (fp.leq c_~var_1_3~0 .cse0) (fp.geq c_~var_1_3~0 .cse1) (or (and (fp.geq c_~var_1_6~0 .cse2) (fp.leq c_~var_1_6~0 .cse3)) (and (fp.geq c_~var_1_6~0 .cse1) (fp.leq c_~var_1_6~0 .cse0))) (or (and (fp.geq c_~var_1_7~0 .cse2) (fp.leq c_~var_1_7~0 .cse3)) (and (fp.leq c_~var_1_7~0 .cse0) (fp.geq c_~var_1_7~0 .cse1))) (let ((.cse7 ((_ zero_extend 16) c_~var_1_9~0)) (.cse5 ((_ zero_extend 16) c_~var_1_10~0))) (let ((.cse6 (bvneg ((_ zero_extend 16) c_~var_1_11~0))) (.cse4 (bvslt .cse7 .cse5))) (or (and (not .cse4) (= ((_ extract 15 0) (bvadd .cse5 .cse6)) c_~var_1_8~0)) (and (= ((_ extract 15 0) (bvadd .cse7 .cse6)) c_~var_1_8~0) .cse4)))) (fp.geq c_~var_1_13~0 .cse1) (fp.leq c_~var_1_13~0 .cse0) (fp.leq c_~var_1_4~0 .cse0) (let ((.cse12 (= c_~var_1_7~0 c_~var_1_1~0)) (.cse15 (fp.sub c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0))) (let ((.cse8 (let ((.cse16 (fp.lt .cse15 c_~var_1_7~0))) (or (and .cse12 (not .cse16)) (and (= c_~var_1_1~0 .cse15) .cse16)))) (.cse9 (fp.gt .cse15 c_~var_1_5~0))) (or (and .cse8 .cse9) (and (let ((.cse10 (fp.gt .cse15 c_~var_1_6~0))) (or (and .cse8 .cse10) (and (not .cse10) (let ((.cse13 (fp.lt c_~var_1_5~0 c_~var_1_6~0))) (or (and (let ((.cse11 (fp.lt c_~var_1_6~0 c_~var_1_7~0))) (or (and (not .cse11) .cse12) (and (= c_~var_1_1~0 c_~var_1_6~0) .cse11))) (not .cse13)) (and .cse13 (let ((.cse14 (fp.lt c_~var_1_5~0 c_~var_1_7~0))) (or (and (not .cse14) .cse12) (and .cse14 (= c_~var_1_5~0 c_~var_1_1~0)))))))))) (not .cse9))))) (fp.geq c_~var_1_4~0 .cse1) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse18 (fp.sub c_currentRoundingMode c_~var_1_3~0 (fp.sub c_currentRoundingMode c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 3217.0 25.0)))))) (let ((.cse17 (fp.lt .cse18 c_~var_1_7~0))) (or (and .cse17 (= c_~var_1_12~0 .cse18)) (and (not .cse17) (= c_~var_1_7~0 c_~var_1_12~0)))))))) is different from true [2023-12-02 15:43:28,612 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse19 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse20 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse20))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse19))) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse20)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode .cse19))) (and (fp.leq c_~var_1_3~0 .cse0) (fp.geq c_~var_1_3~0 .cse1) (or (and (fp.geq c_~var_1_6~0 .cse2) (fp.leq c_~var_1_6~0 .cse3)) (and (fp.geq c_~var_1_6~0 .cse1) (fp.leq c_~var_1_6~0 .cse0))) (or (and (fp.geq c_~var_1_7~0 .cse2) (fp.leq c_~var_1_7~0 .cse3)) (and (fp.leq c_~var_1_7~0 .cse0) (fp.geq c_~var_1_7~0 .cse1))) (let ((.cse7 ((_ zero_extend 16) c_~var_1_9~0)) (.cse5 ((_ zero_extend 16) c_~var_1_10~0))) (let ((.cse6 (bvneg ((_ zero_extend 16) c_~var_1_11~0))) (.cse4 (bvslt .cse7 .cse5))) (or (and (not .cse4) (= ((_ extract 15 0) (bvadd .cse5 .cse6)) c_~var_1_8~0)) (and (= ((_ extract 15 0) (bvadd .cse7 .cse6)) c_~var_1_8~0) .cse4)))) (fp.geq c_~var_1_13~0 .cse1) (= c_~var_1_14~0 c_~var_1_6~0) (fp.leq c_~var_1_13~0 .cse0) (fp.leq c_~var_1_4~0 .cse0) (let ((.cse12 (= c_~var_1_7~0 c_~var_1_1~0)) (.cse15 (fp.sub c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0))) (let ((.cse8 (let ((.cse16 (fp.lt .cse15 c_~var_1_7~0))) (or (and .cse12 (not .cse16)) (and (= c_~var_1_1~0 .cse15) .cse16)))) (.cse9 (fp.gt .cse15 c_~var_1_5~0))) (or (and .cse8 .cse9) (and (let ((.cse10 (fp.gt .cse15 c_~var_1_6~0))) (or (and .cse8 .cse10) (and (not .cse10) (let ((.cse13 (fp.lt c_~var_1_5~0 c_~var_1_6~0))) (or (and (let ((.cse11 (fp.lt c_~var_1_6~0 c_~var_1_7~0))) (or (and (not .cse11) .cse12) (and (= c_~var_1_1~0 c_~var_1_6~0) .cse11))) (not .cse13)) (and .cse13 (let ((.cse14 (fp.lt c_~var_1_5~0 c_~var_1_7~0))) (or (and (not .cse14) .cse12) (and .cse14 (= c_~var_1_5~0 c_~var_1_1~0)))))))))) (not .cse9))))) (fp.geq c_~var_1_4~0 .cse1) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse18 (fp.sub c_currentRoundingMode c_~var_1_3~0 (fp.sub c_currentRoundingMode c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 3217.0 25.0)))))) (let ((.cse17 (fp.lt .cse18 c_~var_1_7~0))) (or (and .cse17 (= c_~var_1_12~0 .cse18)) (and (not .cse17) (= c_~var_1_7~0 c_~var_1_12~0)))))))) is different from true [2023-12-02 15:47:00,520 WARN L293 SmtUtils]: Spent 50.40s on a formula simplification that was a NOOP. DAG size: 104 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:50:01,661 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse9 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse10 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse7 ((_ to_fp 11 53) c_currentRoundingMode .cse10)) (.cse11 ((_ to_fp 11 53) c_currentRoundingMode .cse9))) (and (let ((.cse2 (fp.sub c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0))) (let ((.cse0 (= c_~var_1_7~0 c_~var_1_1~0)) (.cse3 (fp.gt .cse2 c_~var_1_5~0))) (or (and (let ((.cse1 (fp.lt .cse2 c_~var_1_7~0))) (or (and .cse0 (not .cse1)) (and (= c_~var_1_1~0 .cse2) .cse1))) .cse3) (and (not (fp.gt .cse2 c_~var_1_6~0)) (let ((.cse5 (fp.lt c_~var_1_5~0 c_~var_1_6~0))) (or (and (let ((.cse4 (fp.lt c_~var_1_6~0 c_~var_1_7~0))) (or (and (not .cse4) .cse0) (and (= c_~var_1_1~0 c_~var_1_6~0) .cse4))) (not .cse5)) (and .cse5 (let ((.cse6 (fp.lt c_~var_1_5~0 c_~var_1_7~0))) (or (and (not .cse6) .cse0) (and .cse6 (= c_~var_1_5~0 c_~var_1_1~0))))))) (not .cse3))))) (not (fp.geq c_~var_1_13~0 c_~var_1_14~0)) (fp.geq c_~var_1_3~0 .cse7) (let ((.cse8 (fp.lt c_~var_1_6~0 c_~var_1_4~0))) (or (and (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_4~0)) (not .cse8)) (and (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_6~0)) .cse8))) (fp.leq c_~var_1_3~0 c_~var_1_4~0) (or (and (fp.geq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9))) (fp.leq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse10)))) (and (fp.leq c_~var_1_7~0 .cse11) (fp.geq c_~var_1_7~0 .cse7))) (let ((.cse15 ((_ zero_extend 16) c_~var_1_9~0)) (.cse13 ((_ zero_extend 16) c_~var_1_10~0))) (let ((.cse14 (bvneg ((_ zero_extend 16) c_~var_1_11~0))) (.cse12 (bvslt .cse15 .cse13))) (or (and (not .cse12) (= ((_ extract 15 0) (bvadd .cse13 .cse14)) c_~var_1_8~0)) (and (= ((_ extract 15 0) (bvadd .cse15 .cse14)) c_~var_1_8~0) .cse12)))) (fp.geq c_~var_1_13~0 .cse7) (= c_~var_1_14~0 c_~var_1_6~0) (fp.leq c_~var_1_4~0 .cse11) (fp.leq c_~var_1_6~0 .cse11) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse17 (fp.sub c_currentRoundingMode c_~var_1_3~0 (fp.sub c_currentRoundingMode c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 3217.0 25.0)))))) (let ((.cse16 (fp.lt .cse17 c_~var_1_7~0))) (or (and .cse16 (= c_~var_1_12~0 .cse17)) (and (not .cse16) (= c_~var_1_7~0 c_~var_1_12~0)))))))) is different from false [2023-12-02 15:50:03,712 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse9 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse10 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse7 ((_ to_fp 11 53) c_currentRoundingMode .cse10)) (.cse11 ((_ to_fp 11 53) c_currentRoundingMode .cse9))) (and (let ((.cse2 (fp.sub c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0))) (let ((.cse0 (= c_~var_1_7~0 c_~var_1_1~0)) (.cse3 (fp.gt .cse2 c_~var_1_5~0))) (or (and (let ((.cse1 (fp.lt .cse2 c_~var_1_7~0))) (or (and .cse0 (not .cse1)) (and (= c_~var_1_1~0 .cse2) .cse1))) .cse3) (and (not (fp.gt .cse2 c_~var_1_6~0)) (let ((.cse5 (fp.lt c_~var_1_5~0 c_~var_1_6~0))) (or (and (let ((.cse4 (fp.lt c_~var_1_6~0 c_~var_1_7~0))) (or (and (not .cse4) .cse0) (and (= c_~var_1_1~0 c_~var_1_6~0) .cse4))) (not .cse5)) (and .cse5 (let ((.cse6 (fp.lt c_~var_1_5~0 c_~var_1_7~0))) (or (and (not .cse6) .cse0) (and .cse6 (= c_~var_1_5~0 c_~var_1_1~0))))))) (not .cse3))))) (not (fp.geq c_~var_1_13~0 c_~var_1_14~0)) (fp.geq c_~var_1_3~0 .cse7) (let ((.cse8 (fp.lt c_~var_1_6~0 c_~var_1_4~0))) (or (and (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_4~0)) (not .cse8)) (and (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_6~0)) .cse8))) (fp.leq c_~var_1_3~0 c_~var_1_4~0) (or (and (fp.geq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9))) (fp.leq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse10)))) (and (fp.leq c_~var_1_7~0 .cse11) (fp.geq c_~var_1_7~0 .cse7))) (let ((.cse15 ((_ zero_extend 16) c_~var_1_9~0)) (.cse13 ((_ zero_extend 16) c_~var_1_10~0))) (let ((.cse14 (bvneg ((_ zero_extend 16) c_~var_1_11~0))) (.cse12 (bvslt .cse15 .cse13))) (or (and (not .cse12) (= ((_ extract 15 0) (bvadd .cse13 .cse14)) c_~var_1_8~0)) (and (= ((_ extract 15 0) (bvadd .cse15 .cse14)) c_~var_1_8~0) .cse12)))) (fp.geq c_~var_1_13~0 .cse7) (= c_~var_1_14~0 c_~var_1_6~0) (fp.leq c_~var_1_4~0 .cse11) (fp.leq c_~var_1_6~0 .cse11) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse17 (fp.sub c_currentRoundingMode c_~var_1_3~0 (fp.sub c_currentRoundingMode c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 3217.0 25.0)))))) (let ((.cse16 (fp.lt .cse17 c_~var_1_7~0))) (or (and .cse16 (= c_~var_1_12~0 .cse17)) (and (not .cse16) (= c_~var_1_7~0 c_~var_1_12~0)))))))) is different from true