./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-46.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/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_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/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_15d3784f-a5c3-437a-9cea-97c6e867ac6f/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 46d69e2d6f11c1f0065d54175749c28192769707fa12268a9c6b1f19cddf608c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:14:57,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:14:57,353 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 18:14:57,358 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:14:57,358 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:14:57,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:14:57,383 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:14:57,384 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:14:57,384 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:14:57,385 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:14:57,386 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:14:57,386 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:14:57,386 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:14:57,387 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 18:14:57,387 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:14:57,388 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:14:57,388 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 18:14:57,389 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 18:14:57,389 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:14:57,390 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 18:14:57,390 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 18:14:57,391 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 18:14:57,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:14:57,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:14:57,393 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:14:57,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 18:14:57,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:14:57,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:14:57,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:14:57,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:14:57,395 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:14:57,396 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:14:57,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:14:57,397 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:14:57,397 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:14:57,397 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:14:57,398 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:14:57,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:14:57,398 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:14:57,398 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:14:57,399 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:14:57,399 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 18:14:57,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 18:14:57,399 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:14:57,399 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:14:57,400 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:14:57,400 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:14:57,400 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_15d3784f-a5c3-437a-9cea-97c6e867ac6f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46d69e2d6f11c1f0065d54175749c28192769707fa12268a9c6b1f19cddf608c [2023-12-02 18:14:57,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:14:57,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:14:57,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:14:57,649 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:14:57,650 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:14:57,651 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-46.i [2023-12-02 18:15:00,486 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:15:00,673 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:15:00,674 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-46.i [2023-12-02 18:15:00,684 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/data/b7812211d/63989ed821a042899fe42bc4910e8cfc/FLAG9c46e6d81 [2023-12-02 18:15:00,698 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/data/b7812211d/63989ed821a042899fe42bc4910e8cfc [2023-12-02 18:15:00,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:15:00,702 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:15:00,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:15:00,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:15:00,708 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:15:00,709 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:15:00" (1/1) ... [2023-12-02 18:15:00,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c253f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:00, skipping insertion in model container [2023-12-02 18:15:00,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:15:00" (1/1) ... [2023-12-02 18:15:00,740 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:15:00,861 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_15d3784f-a5c3-437a-9cea-97c6e867ac6f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-46.i[915,928] [2023-12-02 18:15:00,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:15:00,933 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:15:00,943 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_15d3784f-a5c3-437a-9cea-97c6e867ac6f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-46.i[915,928] [2023-12-02 18:15:00,975 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:15:00,993 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:15:00,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:00 WrapperNode [2023-12-02 18:15:00,994 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:15:00,994 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:15:00,995 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:15:00,995 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:15:01,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:00" (1/1) ... [2023-12-02 18:15:01,012 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:00" (1/1) ... [2023-12-02 18:15:01,057 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 172 [2023-12-02 18:15:01,057 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:15:01,058 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:15:01,058 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:15:01,058 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:15:01,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:00" (1/1) ... [2023-12-02 18:15:01,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:00" (1/1) ... [2023-12-02 18:15:01,070 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:00" (1/1) ... [2023-12-02 18:15:01,070 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:00" (1/1) ... [2023-12-02 18:15:01,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:00" (1/1) ... [2023-12-02 18:15:01,091 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:00" (1/1) ... [2023-12-02 18:15:01,096 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:00" (1/1) ... [2023-12-02 18:15:01,100 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:00" (1/1) ... [2023-12-02 18:15:01,107 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:15:01,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:15:01,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:15:01,109 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:15:01,110 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:00" (1/1) ... [2023-12-02 18:15:01,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:15:01,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:15:01,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:15:01,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:15:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:15:01,174 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:15:01,174 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:15:01,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 18:15:01,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:15:01,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:15:01,251 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:15:01,253 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:15:01,650 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:15:01,848 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:15:01,848 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:15:01,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:15:01 BoogieIcfgContainer [2023-12-02 18:15:01,850 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:15:01,852 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:15:01,852 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:15:01,855 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:15:01,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:15:00" (1/3) ... [2023-12-02 18:15:01,856 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f46f11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:15:01, skipping insertion in model container [2023-12-02 18:15:01,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:00" (2/3) ... [2023-12-02 18:15:01,856 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f46f11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:15:01, skipping insertion in model container [2023-12-02 18:15:01,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:15:01" (3/3) ... [2023-12-02 18:15:01,858 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-46.i [2023-12-02 18:15:01,873 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:15:01,873 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:15:01,914 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:15:01,920 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;@62e46dd7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:15:01,920 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:15:01,923 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-02 18:15:01,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 18:15:01,931 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:15:01,932 INFO L195 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:15:01,932 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:15:01,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:15:01,937 INFO L85 PathProgramCache]: Analyzing trace with hash 750882874, now seen corresponding path program 1 times [2023-12-02 18:15:01,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:15:01,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723779482] [2023-12-02 18:15:01,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:15:01,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:15:02,072 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:15:02,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [887077971] [2023-12-02 18:15:02,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:15:02,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:15:02,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:15:02,080 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:15:02,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 18:15:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:15:02,392 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 18:15:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:15:02,520 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 18:15:02,522 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 18:15:02,523 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 18:15:02,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 18:15:02,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 18:15:02,729 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 18:15:02,732 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 18:15:02,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:15:02 BoogieIcfgContainer [2023-12-02 18:15:02,806 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 18:15:02,806 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 18:15:02,806 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 18:15:02,807 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 18:15:02,807 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:15:01" (3/4) ... [2023-12-02 18:15:02,809 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 18:15:02,810 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 18:15:02,811 INFO L158 Benchmark]: Toolchain (without parser) took 2109.22ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 79.2MB in the beginning and 100.9MB in the end (delta: -21.7MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2023-12-02 18:15:02,812 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:15:02,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.88ms. Allocated memory is still 121.6MB. Free memory was 78.9MB in the beginning and 64.8MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 18:15:02,813 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.70ms. Allocated memory is still 121.6MB. Free memory was 64.8MB in the beginning and 59.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 18:15:02,813 INFO L158 Benchmark]: Boogie Preprocessor took 49.85ms. Allocated memory is still 121.6MB. Free memory was 59.6MB in the beginning and 57.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 18:15:02,814 INFO L158 Benchmark]: RCFGBuilder took 741.60ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 57.2MB in the beginning and 84.1MB in the end (delta: -26.9MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2023-12-02 18:15:02,815 INFO L158 Benchmark]: TraceAbstraction took 953.50ms. Allocated memory is still 155.2MB. Free memory was 83.3MB in the beginning and 102.0MB in the end (delta: -18.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:15:02,815 INFO L158 Benchmark]: Witness Printer took 3.82ms. Allocated memory is still 155.2MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:15:02,818 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.88ms. Allocated memory is still 121.6MB. Free memory was 78.9MB in the beginning and 64.8MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.70ms. Allocated memory is still 121.6MB. Free memory was 64.8MB in the beginning and 59.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.85ms. Allocated memory is still 121.6MB. Free memory was 59.6MB in the beginning and 57.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 741.60ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 57.2MB in the beginning and 84.1MB in the end (delta: -26.9MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * TraceAbstraction took 953.50ms. Allocated memory is still 155.2MB. Free memory was 83.3MB in the beginning and 102.0MB in the end (delta: -18.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.82ms. Allocated memory is still 155.2MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 110, overapproximation of shiftRight at line 79, overapproximation of bitwiseOr at line 79, overapproximation of someBinaryDOUBLEComparisonOperation at line 48. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 16; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_4 = 128; [L26] unsigned char var_1_5 = 10; [L27] unsigned short int var_1_6 = 10; [L28] unsigned short int var_1_7 = 52077; [L29] unsigned short int var_1_8 = 47248; [L30] unsigned short int var_1_9 = 50; [L31] float var_1_11 = 63.75; [L32] signed long int var_1_12 = 100000; [L33] unsigned short int var_1_13 = 8; [L34] signed long int var_1_14 = 2; [L35] signed long int var_1_15 = 32; [L36] double var_1_17 = 127.5; [L37] double var_1_18 = 32.75; [L38] signed char var_1_19 = 0; [L39] unsigned long int var_1_20 = 128; [L40] unsigned short int last_1_var_1_13 = 8; [L41] double last_1_var_1_17 = 127.5; [L129] isInitial = 1 [L130] FCALL initially() [L131] int k_loop; [L132] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L132] COND TRUE k_loop < 1 [L133] CALL updateLastVariables() [L121] last_1_var_1_13 = var_1_13 [L122] last_1_var_1_17 = var_1_17 [L133] RET updateLastVariables() [L134] 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_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L92] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L93] var_1_3 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L95] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L96] var_1_4 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_4 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_4 >= 127) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L98] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L99] var_1_5 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L101] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=127, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=127, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L102] var_1_7 = __VERIFIER_nondet_ushort() [L103] CALL assume_abort_if_not(var_1_7 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=127, var_1_6=10, var_1_7=32767, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_7 >= 32767) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=127, var_1_6=10, var_1_7=32767, var_1_8=47248, var_1_9=50] [L104] CALL assume_abort_if_not(var_1_7 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=127, var_1_6=10, var_1_7=32767, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_7 <= 65534) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=127, var_1_6=10, var_1_7=32767, var_1_8=47248, var_1_9=50] [L105] var_1_8 = __VERIFIER_nondet_ushort() [L106] CALL assume_abort_if_not(var_1_8 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=127, var_1_6=10, var_1_7=32767, var_1_8=32768, var_1_9=50] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_8 >= 32767) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=127, var_1_6=10, var_1_7=32767, var_1_8=32768, var_1_9=50] [L107] CALL assume_abort_if_not(var_1_8 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=127, var_1_6=10, var_1_7=32767, var_1_8=32768, var_1_9=50] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_8 <= 65534) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=127, var_1_6=10, var_1_7=32767, var_1_8=32768, var_1_9=50] [L108] var_1_11 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=127, var_1_6=10, var_1_7=32767, var_1_8=32768, var_1_9=50] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=127, var_1_6=10, var_1_7=32767, var_1_8=32768, var_1_9=50] [L110] CALL assume_abort_if_not(var_1_11 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=127, var_1_6=10, var_1_7=32767, var_1_8=32768, var_1_9=50] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_11 != 0.0F) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=127, var_1_6=10, var_1_7=32767, var_1_8=32768, var_1_9=50] [L111] var_1_14 = __VERIFIER_nondet_long() [L112] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=31, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=127, var_1_6=10, var_1_7=32767, var_1_8=32768, var_1_9=50] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=31, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=127, var_1_6=10, var_1_7=32767, var_1_8=32768, var_1_9=50] [L113] CALL assume_abort_if_not(var_1_14 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=31, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=127, var_1_6=10, var_1_7=32767, var_1_8=32768, var_1_9=50] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_14 <= 32) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=31, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=127, var_1_6=10, var_1_7=32767, var_1_8=32768, var_1_9=50] [L114] var_1_15 = __VERIFIER_nondet_long() [L115] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=31, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=127, var_1_6=10, var_1_7=32767, var_1_8=32768, var_1_9=50] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=31, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=127, var_1_6=10, var_1_7=32767, var_1_8=32768, var_1_9=50] [L116] CALL assume_abort_if_not(var_1_15 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=31, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=127, var_1_6=10, var_1_7=32767, var_1_8=32768, var_1_9=50] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_15 <= 32) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=31, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=127, var_1_6=10, var_1_7=32767, var_1_8=32768, var_1_9=50] [L117] var_1_18 = __VERIFIER_nondet_double() [L118] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=31, var_1_15=32, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=127, var_1_6=10, var_1_7=32767, var_1_8=32768, var_1_9=50] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=31, var_1_15=32, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=127, var_1_6=10, var_1_7=32767, var_1_8=32768, var_1_9=50] [L134] RET updateVariables() [L135] CALL step() [L45] COND FALSE !(-100000 >= last_1_var_1_13) [L48] COND FALSE !((last_1_var_1_17 / var_1_11) == 999999.6f) [L52] unsigned char stepLocal_0 = var_1_3; [L53] COND FALSE !(var_1_2 && stepLocal_0) [L56] var_1_1 = (var_1_4 - var_1_5) [L58] COND TRUE var_1_1 <= (var_1_5 * var_1_4) [L59] COND FALSE !(\read(var_1_2)) [L62] var_1_6 = var_1_5 [L67] var_1_17 = var_1_18 [L68] var_1_19 = 5 [L69] var_1_20 = var_1_15 [L70] COND TRUE var_1_1 < var_1_20 [L71] COND FALSE !(var_1_5 == (~ (var_1_1 + var_1_20))) [L74] var_1_12 = ((((var_1_20) < (var_1_8)) ? (var_1_20) : (var_1_8))) [L79] EXPR -4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15))) [L79] EXPR var_1_7 | ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))) [L79] COND FALSE !((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) [L86] var_1_13 = var_1_1 [L135] RET step() [L136] CALL, EXPR property() [L125] EXPR (((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned char) (var_1_4 - var_1_5))) : (var_1_1 == ((unsigned char) (var_1_4 - var_1_5)))) && ((var_1_1 <= (var_1_5 * var_1_4)) ? (var_1_2 ? (var_1_6 == ((unsigned short int) (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5)))) && ((-100000 >= last_1_var_1_13) ? (var_1_9 == ((unsigned short int) (((((last_1_var_1_13 + var_1_5)) > (64)) ? ((last_1_var_1_13 + var_1_5)) : (64))))) : (((last_1_var_1_17 / var_1_11) == 999999.6f) ? (var_1_9 == ((unsigned short int) var_1_7)) : 1))) && ((var_1_1 < var_1_20) ? ((var_1_5 == (~ (var_1_1 + var_1_20))) ? (var_1_12 == ((signed long int) (((((var_1_5) > (((((-1) < (var_1_1)) ? (-1) : (var_1_1))))) ? (var_1_5) : (((((-1) < (var_1_1)) ? (-1) : (var_1_1)))))) - 1000))) : (var_1_12 == ((signed long int) ((((var_1_20) < (var_1_8)) ? (var_1_20) : (var_1_8)))))) : (var_1_12 == ((signed long int) var_1_6)))) && (((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) ? (var_1_3 ? (var_1_13 == ((unsigned short int) var_1_6)) : (var_1_13 == ((unsigned short int) var_1_4))) : (var_1_13 == ((unsigned short int) var_1_1))) [L125-L126] return ((((((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned char) (var_1_4 - var_1_5))) : (var_1_1 == ((unsigned char) (var_1_4 - var_1_5)))) && ((var_1_1 <= (var_1_5 * var_1_4)) ? (var_1_2 ? (var_1_6 == ((unsigned short int) (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5)))) && ((-100000 >= last_1_var_1_13) ? (var_1_9 == ((unsigned short int) (((((last_1_var_1_13 + var_1_5)) > (64)) ? ((last_1_var_1_13 + var_1_5)) : (64))))) : (((last_1_var_1_17 / var_1_11) == 999999.6f) ? (var_1_9 == ((unsigned short int) var_1_7)) : 1))) && ((var_1_1 < var_1_20) ? ((var_1_5 == (~ (var_1_1 + var_1_20))) ? (var_1_12 == ((signed long int) (((((var_1_5) > (((((-1) < (var_1_1)) ? (-1) : (var_1_1))))) ? (var_1_5) : (((((-1) < (var_1_1)) ? (-1) : (var_1_1)))))) - 1000))) : (var_1_12 == ((signed long int) ((((var_1_20) < (var_1_8)) ? (var_1_20) : (var_1_8)))))) : (var_1_12 == ((signed long int) var_1_6)))) && (((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) ? (var_1_3 ? (var_1_13 == ((unsigned short int) var_1_6)) : (var_1_13 == ((unsigned short int) var_1_4))) : (var_1_13 == ((unsigned short int) var_1_1)))) && (var_1_17 == ((double) var_1_18))) && (var_1_19 == ((signed char) 5))) && (var_1_20 == ((unsigned long int) var_1_15)) ; [L136] RET, EXPR property() [L136] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=32, var_1_13=31, var_1_14=31, var_1_15=32, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=31, var_1_20=32, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=127, var_1_6=127, var_1_7=32767, var_1_8=32768, var_1_9=50] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=32, var_1_13=31, var_1_14=31, var_1_15=32, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=31, var_1_20=32, var_1_2=0, var_1_3=0, var_1_4=158, var_1_5=127, var_1_6=127, var_1_7=32767, var_1_8=32768, var_1_9=50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 19, 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=38occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 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 18:15:02,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/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_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/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_15d3784f-a5c3-437a-9cea-97c6e867ac6f/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 46d69e2d6f11c1f0065d54175749c28192769707fa12268a9c6b1f19cddf608c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:15:04,792 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:15:04,869 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 18:15:04,874 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:15:04,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:15:04,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:15:04,901 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:15:04,901 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:15:04,902 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:15:04,902 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:15:04,903 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:15:04,903 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:15:04,904 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:15:04,904 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:15:04,905 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:15:04,905 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:15:04,906 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:15:04,907 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:15:04,908 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:15:04,908 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:15:04,909 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:15:04,909 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:15:04,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:15:04,910 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:15:04,911 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 18:15:04,911 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 18:15:04,912 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 18:15:04,912 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:15:04,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:15:04,913 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:15:04,913 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:15:04,914 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 18:15:04,914 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:15:04,914 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:15:04,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:15:04,915 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:15:04,915 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:15:04,915 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:15:04,915 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 18:15:04,916 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 18:15:04,916 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:15:04,916 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:15:04,916 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:15:04,917 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:15:04,917 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_15d3784f-a5c3-437a-9cea-97c6e867ac6f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46d69e2d6f11c1f0065d54175749c28192769707fa12268a9c6b1f19cddf608c [2023-12-02 18:15:05,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:15:05,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:15:05,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:15:05,238 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:15:05,238 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:15:05,239 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-46.i [2023-12-02 18:15:08,000 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:15:08,189 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:15:08,189 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-46.i [2023-12-02 18:15:08,199 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/data/75a793f98/f06c73a7d637429984b1da64c8db5367/FLAG0aef5fcce [2023-12-02 18:15:08,214 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/data/75a793f98/f06c73a7d637429984b1da64c8db5367 [2023-12-02 18:15:08,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:15:08,218 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:15:08,219 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:15:08,219 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:15:08,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:15:08,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:15:08" (1/1) ... [2023-12-02 18:15:08,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3443d90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:08, skipping insertion in model container [2023-12-02 18:15:08,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:15:08" (1/1) ... [2023-12-02 18:15:08,256 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:15:08,407 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_15d3784f-a5c3-437a-9cea-97c6e867ac6f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-46.i[915,928] [2023-12-02 18:15:08,466 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:15:08,482 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:15:08,495 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_15d3784f-a5c3-437a-9cea-97c6e867ac6f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-46.i[915,928] [2023-12-02 18:15:08,524 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:15:08,543 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:15:08,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:08 WrapperNode [2023-12-02 18:15:08,544 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:15:08,545 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:15:08,545 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:15:08,545 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:15:08,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:08" (1/1) ... [2023-12-02 18:15:08,566 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:08" (1/1) ... [2023-12-02 18:15:08,601 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136 [2023-12-02 18:15:08,602 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:15:08,603 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:15:08,603 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:15:08,603 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:15:08,612 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:08" (1/1) ... [2023-12-02 18:15:08,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:08" (1/1) ... [2023-12-02 18:15:08,616 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:08" (1/1) ... [2023-12-02 18:15:08,617 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:08" (1/1) ... [2023-12-02 18:15:08,627 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:08" (1/1) ... [2023-12-02 18:15:08,631 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:08" (1/1) ... [2023-12-02 18:15:08,634 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:08" (1/1) ... [2023-12-02 18:15:08,636 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:08" (1/1) ... [2023-12-02 18:15:08,640 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:15:08,641 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:15:08,641 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:15:08,641 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:15:08,642 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:08" (1/1) ... [2023-12-02 18:15:08,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:15:08,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:15:08,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:15:08,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:15:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:15:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 18:15:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:15:08,718 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:15:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:15:08,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:15:08,798 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:15:08,800 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:15:15,745 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:15:15,812 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:15:15,812 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:15:15,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:15:15 BoogieIcfgContainer [2023-12-02 18:15:15,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:15:15,816 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:15:15,816 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:15:15,818 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:15:15,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:15:08" (1/3) ... [2023-12-02 18:15:15,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2963bab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:15:15, skipping insertion in model container [2023-12-02 18:15:15,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:08" (2/3) ... [2023-12-02 18:15:15,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2963bab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:15:15, skipping insertion in model container [2023-12-02 18:15:15,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:15:15" (3/3) ... [2023-12-02 18:15:15,821 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-46.i [2023-12-02 18:15:15,835 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:15:15,836 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:15:15,874 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:15:15,879 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;@46c0ba9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:15:15,880 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:15:15,883 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 32 states have internal predecessors, (45), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-02 18:15:15,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-02 18:15:15,897 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:15:15,897 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:15:15,898 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:15:15,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:15:15,903 INFO L85 PathProgramCache]: Analyzing trace with hash 248679557, now seen corresponding path program 1 times [2023-12-02 18:15:15,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:15:15,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [700689598] [2023-12-02 18:15:15,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:15:15,914 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 18:15:15,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:15:15,915 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/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 18:15:15,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/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 18:15:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:15:16,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 18:15:16,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:15:16,768 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-02 18:15:16,768 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:15:16,769 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:15:16,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [700689598] [2023-12-02 18:15:16,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [700689598] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:15:16,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:15:16,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:15:16,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740278630] [2023-12-02 18:15:16,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:15:16,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 18:15:16,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:15:16,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 18:15:16,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 18:15:16,800 INFO L87 Difference]: Start difference. First operand has 53 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 32 states have internal predecessors, (45), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-02 18:15:19,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:15:19,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:15:19,832 INFO L93 Difference]: Finished difference Result 104 states and 182 transitions. [2023-12-02 18:15:19,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 18:15:19,835 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 117 [2023-12-02 18:15:19,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:15:19,843 INFO L225 Difference]: With dead ends: 104 [2023-12-02 18:15:19,843 INFO L226 Difference]: Without dead ends: 50 [2023-12-02 18:15:19,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 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 18:15:19,854 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:15:19,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2023-12-02 18:15:19,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-12-02 18:15:19,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-12-02 18:15:19,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 states have internal predecessors, (36), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-02 18:15:19,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 74 transitions. [2023-12-02 18:15:19,894 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 74 transitions. Word has length 117 [2023-12-02 18:15:19,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:15:19,896 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 74 transitions. [2023-12-02 18:15:19,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-02 18:15:19,897 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 74 transitions. [2023-12-02 18:15:19,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 18:15:19,900 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:15:19,900 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:15:19,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/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 18:15:20,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/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 18:15:20,101 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:15:20,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:15:20,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1000926245, now seen corresponding path program 1 times [2023-12-02 18:15:20,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:15:20,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [748602757] [2023-12-02 18:15:20,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:15:20,103 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 18:15:20,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:15:20,104 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/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 18:15:20,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/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 18:18:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:18:07,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 18:18:07,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:18:18,411 WARN L854 $PredicateComparison]: unable to prove that (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) is different from false [2023-12-02 18:18:20,530 WARN L876 $PredicateComparison]: unable to prove that (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) is different from true [2023-12-02 18:19:13,629 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-02 18:19:13,629 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:19:13,630 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:19:13,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [748602757] [2023-12-02 18:19:13,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [748602757] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:19:13,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:19:13,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:19:13,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261034856] [2023-12-02 18:19:13,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:19:13,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 18:19:13,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:19:13,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 18:19:13,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=7, Unknown=2, NotChecked=4, Total=20 [2023-12-02 18:19:13,634 INFO L87 Difference]: Start difference. First operand 50 states and 74 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-02 18:19:16,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:19,028 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 255.0 2.0)))) (and (= c_~var_1_17~0 .cse0) (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) (= c_~last_1_var_1_17~0 .cse0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-02 18:19:21,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:24,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:26,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:28,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:30,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:32,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:35,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:37,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:40,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.95s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:42,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:42,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:19:42,893 INFO L93 Difference]: Finished difference Result 110 states and 161 transitions. [2023-12-02 18:19:43,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 18:19:43,121 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 118 [2023-12-02 18:19:43,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:19:43,124 INFO L225 Difference]: With dead ends: 110 [2023-12-02 18:19:43,124 INFO L226 Difference]: Without dead ends: 108 [2023-12-02 18:19:43,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=13, Invalid=12, Unknown=3, NotChecked=14, Total=42 [2023-12-02 18:19:43,126 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 44 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 39 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 187 IncrementalHoareTripleChecker+Unchecked, 26.7s IncrementalHoareTripleChecker+Time [2023-12-02 18:19:43,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 220 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 19 Invalid, 11 Unknown, 187 Unchecked, 26.7s Time] [2023-12-02 18:19:43,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-12-02 18:19:43,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 94. [2023-12-02 18:19:43,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 53 states have internal predecessors, (64), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-02 18:19:43,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 140 transitions. [2023-12-02 18:19:43,154 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 140 transitions. Word has length 118 [2023-12-02 18:19:43,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:19:43,155 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 140 transitions. [2023-12-02 18:19:43,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-02 18:19:43,155 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 140 transitions. [2023-12-02 18:19:43,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 18:19:43,157 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:19:43,158 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:19:43,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 18:19:43,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/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 18:19:43,359 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:19:43,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:19:43,359 INFO L85 PathProgramCache]: Analyzing trace with hash 191579619, now seen corresponding path program 1 times [2023-12-02 18:19:43,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:19:43,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1260624454] [2023-12-02 18:19:43,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:19:43,360 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 18:19:43,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:19:43,361 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/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 18:19:43,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 18:22:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:22:37,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 18:22:37,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:22:49,118 WARN L854 $PredicateComparison]: unable to prove that (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) is different from false [2023-12-02 18:22:51,248 WARN L876 $PredicateComparison]: unable to prove that (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) is different from true [2023-12-02 18:23:44,581 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-02 18:23:44,581 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:23:44,581 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:23:44,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1260624454] [2023-12-02 18:23:44,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1260624454] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:23:44,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:23:44,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:23:44,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376995518] [2023-12-02 18:23:44,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:23:44,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 18:23:44,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:23:44,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 18:23:44,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=7, Unknown=2, NotChecked=4, Total=20 [2023-12-02 18:23:44,584 INFO L87 Difference]: Start difference. First operand 94 states and 140 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-02 18:23:47,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:23:49,964 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 255.0 2.0)))) (and (= c_~var_1_17~0 .cse0) (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) (= c_~last_1_var_1_17~0 .cse0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-02 18:23:52,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:23:55,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:23:57,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:23:59,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:24:01,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:24:03,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:24:06,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:24:08,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:24:11,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:24:13,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:24:13,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:24:13,898 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2023-12-02 18:24:14,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 18:24:14,120 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 118 [2023-12-02 18:24:14,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:24:14,123 INFO L225 Difference]: With dead ends: 116 [2023-12-02 18:24:14,123 INFO L226 Difference]: Without dead ends: 114 [2023-12-02 18:24:14,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=13, Invalid=12, Unknown=3, NotChecked=14, Total=42 [2023-12-02 18:24:14,125 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 44 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 39 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 187 IncrementalHoareTripleChecker+Unchecked, 26.8s IncrementalHoareTripleChecker+Time [2023-12-02 18:24:14,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 216 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 19 Invalid, 11 Unknown, 187 Unchecked, 26.8s Time] [2023-12-02 18:24:14,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-12-02 18:24:14,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 94. [2023-12-02 18:24:14,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 53 states have internal predecessors, (64), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-02 18:24:14,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 140 transitions. [2023-12-02 18:24:14,150 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 140 transitions. Word has length 118 [2023-12-02 18:24:14,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:24:14,151 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 140 transitions. [2023-12-02 18:24:14,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-02 18:24:14,151 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 140 transitions. [2023-12-02 18:24:14,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 18:24:14,153 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:24:14,153 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:24:14,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-02 18:24:14,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/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 18:24:14,354 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:24:14,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:24:14,355 INFO L85 PathProgramCache]: Analyzing trace with hash 607899235, now seen corresponding path program 1 times [2023-12-02 18:24:14,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:24:14,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1416855556] [2023-12-02 18:24:14,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:24:14,356 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 18:24:14,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:24:14,357 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/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 18:24:14,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3784f-a5c3-437a-9cea-97c6e867ac6f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-02 18:24:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:24:15,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 18:24:15,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:24:48,328 WARN L854 $PredicateComparison]: unable to prove that (and (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-12-02 18:24:50,550 WARN L876 $PredicateComparison]: unable to prove that (and (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2023-12-02 18:25:56,562 WARN L854 $PredicateComparison]: unable to prove that (and (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (= ((_ extract 7 0) (bvadd ((_ zero_extend 24) c_~var_1_4~0) (bvneg ((_ zero_extend 24) c_~var_1_5~0)))) c_~var_1_1~0) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-12-02 18:25:58,792 WARN L876 $PredicateComparison]: unable to prove that (and (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (= ((_ extract 7 0) (bvadd ((_ zero_extend 24) c_~var_1_4~0) (bvneg ((_ zero_extend 24) c_~var_1_5~0)))) c_~var_1_1~0) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2023-12-02 18:26:03,880 WARN L293 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:26:23,329 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:26:33,318 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:26:43,386 WARN L293 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:26:45,610 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_4~0)) (.cse1 ((_ zero_extend 24) c_~var_1_5~0))) (and (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (= ((_ zero_extend 8) c_~var_1_5~0) c_~var_1_6~0) (= ((_ extract 7 0) (bvadd .cse0 (bvneg .cse1))) c_~var_1_1~0) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse2)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse3))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse2)))))) (not (bvsle ((_ zero_extend 24) c_~var_1_1~0) (bvmul .cse0 .cse1))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-02 18:26:47,843 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_4~0)) (.cse1 ((_ zero_extend 24) c_~var_1_5~0))) (and (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (= ((_ zero_extend 8) c_~var_1_5~0) c_~var_1_6~0) (= ((_ extract 7 0) (bvadd .cse0 (bvneg .cse1))) c_~var_1_1~0) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse2)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse3))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse2)))))) (not (bvsle ((_ zero_extend 24) c_~var_1_1~0) (bvmul .cse0 .cse1))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2023-12-02 18:27:07,310 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:27:12,316 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:27:17,344 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:27:22,350 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:27:27,372 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:27:37,362 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:27:42,442 WARN L293 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:27:47,449 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:27:49,680 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_4~0)) (.cse1 ((_ zero_extend 24) c_~var_1_5~0))) (and (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (= ((_ zero_extend 8) c_~var_1_5~0) c_~var_1_6~0) (= c_~var_1_19~0 (_ bv5 8)) (= ((_ extract 7 0) (bvadd .cse0 (bvneg .cse1))) c_~var_1_1~0) (= c_~var_1_17~0 c_~var_1_18~0) (= c_~var_1_15~0 c_~var_1_20~0) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse2)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse3))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse2)))))) (not (bvsle ((_ zero_extend 24) c_~var_1_1~0) (bvmul .cse0 .cse1))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-02 18:27:51,904 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_4~0)) (.cse1 ((_ zero_extend 24) c_~var_1_5~0))) (and (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (= ((_ zero_extend 8) c_~var_1_5~0) c_~var_1_6~0) (= c_~var_1_19~0 (_ bv5 8)) (= ((_ extract 7 0) (bvadd .cse0 (bvneg .cse1))) c_~var_1_1~0) (= c_~var_1_17~0 c_~var_1_18~0) (= c_~var_1_15~0 c_~var_1_20~0) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse2)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse3))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse2)))))) (not (bvsle ((_ zero_extend 24) c_~var_1_1~0) (bvmul .cse0 .cse1))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2023-12-02 18:27:56,943 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:28:02,145 WARN L293 SmtUtils]: Spent 5.20s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:28:16,640 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:28:21,665 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:28:26,733 WARN L293 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:28:31,738 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:28:36,741 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:28:41,763 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:28:46,768 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:28:51,792 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:28:56,818 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:29:01,847 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:29:04,083 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) c_~var_1_1~0)) (.cse0 ((_ zero_extend 24) c_~var_1_4~0)) (.cse1 ((_ zero_extend 24) c_~var_1_5~0))) (and (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (= ((_ zero_extend 8) c_~var_1_5~0) c_~var_1_6~0) (= c_~var_1_19~0 (_ bv5 8)) (= ((_ extract 7 0) (bvadd .cse0 (bvneg .cse1))) c_~var_1_1~0) (not (bvult .cse2 c_~var_1_20~0)) (= c_~var_1_17~0 c_~var_1_18~0) (= c_~var_1_15~0 c_~var_1_20~0) (let ((.cse4 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse4))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse4))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse3)))))) (not (bvsle .cse2 (bvmul .cse0 .cse1))) (= c_~var_1_12~0 ((_ zero_extend 16) c_~var_1_6~0)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-02 18:29:06,332 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) c_~var_1_1~0)) (.cse0 ((_ zero_extend 24) c_~var_1_4~0)) (.cse1 ((_ zero_extend 24) c_~var_1_5~0))) (and (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (= ((_ zero_extend 8) c_~var_1_5~0) c_~var_1_6~0) (= c_~var_1_19~0 (_ bv5 8)) (= ((_ extract 7 0) (bvadd .cse0 (bvneg .cse1))) c_~var_1_1~0) (not (bvult .cse2 c_~var_1_20~0)) (= c_~var_1_17~0 c_~var_1_18~0) (= c_~var_1_15~0 c_~var_1_20~0) (let ((.cse4 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse4))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse4))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse3)))))) (not (bvsle .cse2 (bvmul .cse0 .cse1))) (= c_~var_1_12~0 ((_ zero_extend 16) c_~var_1_6~0)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2023-12-02 18:29:12,526 WARN L293 SmtUtils]: Spent 5.09s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:29:17,735 WARN L293 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:29:27,540 WARN L293 SmtUtils]: Spent 5.29s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:29:32,631 WARN L293 SmtUtils]: Spent 5.09s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:29:38,768 WARN L293 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:29:43,825 WARN L293 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:29:48,946 WARN L293 SmtUtils]: Spent 5.12s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:29:53,994 WARN L293 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:29:59,031 WARN L293 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:30:04,131 WARN L293 SmtUtils]: Spent 5.10s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:30:09,165 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:30:14,326 WARN L293 SmtUtils]: Spent 5.16s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:30:19,364 WARN L293 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)