./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-32.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/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_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/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_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/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 905ea402cc55bdef24afb6746a861e91183650285de09f36be5802e4884371ad --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:30:59,285 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:30:59,349 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 16:30:59,355 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:30:59,355 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:30:59,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:30:59,382 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:30:59,382 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:30:59,383 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:30:59,384 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:30:59,384 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:30:59,385 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:30:59,385 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:30:59,386 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 16:30:59,386 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:30:59,387 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:30:59,387 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 16:30:59,387 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 16:30:59,388 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:30:59,388 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 16:30:59,389 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 16:30:59,390 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 16:30:59,390 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:30:59,391 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:30:59,391 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:30:59,392 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 16:30:59,392 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:30:59,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:30:59,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:30:59,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:30:59,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:30:59,394 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:30:59,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:30:59,395 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:30:59,395 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:30:59,395 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:30:59,396 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:30:59,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:30:59,396 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:30:59,396 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:30:59,396 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:30:59,397 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 16:30:59,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 16:30:59,397 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:30:59,397 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:30:59,397 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:30:59,398 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:30:59,398 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_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 905ea402cc55bdef24afb6746a861e91183650285de09f36be5802e4884371ad [2023-12-02 16:30:59,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:30:59,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:30:59,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:30:59,660 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:30:59,660 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:30:59,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-32.i [2023-12-02 16:31:02,467 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:31:02,646 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:31:02,647 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-32.i [2023-12-02 16:31:02,656 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/data/35c7544bd/14e800af1e914573a644ab6254125944/FLAG2eecbefc1 [2023-12-02 16:31:02,671 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/data/35c7544bd/14e800af1e914573a644ab6254125944 [2023-12-02 16:31:02,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:31:02,675 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:31:02,676 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:31:02,676 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:31:02,681 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:31:02,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:31:02" (1/1) ... [2023-12-02 16:31:02,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3503a68c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:31:02, skipping insertion in model container [2023-12-02 16:31:02,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:31:02" (1/1) ... [2023-12-02 16:31:02,710 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:31:02,829 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_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-32.i[917,930] [2023-12-02 16:31:02,884 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:31:02,896 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:31:02,907 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_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-32.i[917,930] [2023-12-02 16:31:02,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:31:02,953 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:31:02,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:31:02 WrapperNode [2023-12-02 16:31:02,953 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:31:02,954 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:31:02,954 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:31:02,954 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:31:02,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:31:02" (1/1) ... [2023-12-02 16:31:02,970 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:31:02" (1/1) ... [2023-12-02 16:31:03,007 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 158 [2023-12-02 16:31:03,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:31:03,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:31:03,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:31:03,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:31:03,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:31:02" (1/1) ... [2023-12-02 16:31:03,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:31:02" (1/1) ... [2023-12-02 16:31:03,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:31:02" (1/1) ... [2023-12-02 16:31:03,021 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:31:02" (1/1) ... [2023-12-02 16:31:03,033 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:31:02" (1/1) ... [2023-12-02 16:31:03,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:31:02" (1/1) ... [2023-12-02 16:31:03,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:31:02" (1/1) ... [2023-12-02 16:31:03,041 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:31:02" (1/1) ... [2023-12-02 16:31:03,046 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:31:03,047 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:31:03,047 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:31:03,047 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:31:03,048 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:31:02" (1/1) ... [2023-12-02 16:31:03,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:31:03,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:31:03,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:31:03,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:31:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:31:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 16:31:03,125 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 16:31:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 16:31:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:31:03,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:31:03,210 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:31:03,212 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:31:03,502 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:31:03,698 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:31:03,698 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 16:31:03,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:31:03 BoogieIcfgContainer [2023-12-02 16:31:03,700 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:31:03,703 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:31:03,703 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:31:03,707 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:31:03,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:31:02" (1/3) ... [2023-12-02 16:31:03,708 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3942d669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:31:03, skipping insertion in model container [2023-12-02 16:31:03,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:31:02" (2/3) ... [2023-12-02 16:31:03,708 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3942d669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:31:03, skipping insertion in model container [2023-12-02 16:31:03,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:31:03" (3/3) ... [2023-12-02 16:31:03,710 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-32.i [2023-12-02 16:31:03,729 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:31:03,729 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 16:31:03,775 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:31:03,782 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;@3d7403c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:31:03,783 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 16:31:03,786 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 16:31:03,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 16:31:03,797 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:31:03,798 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:31:03,798 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:31:03,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:31:03,803 INFO L85 PathProgramCache]: Analyzing trace with hash 905412017, now seen corresponding path program 1 times [2023-12-02 16:31:03,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:31:03,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161687242] [2023-12-02 16:31:03,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:31:03,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:31:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:31:04,126 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 16:31:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:31:04,322 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 16:31:04,324 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 16:31:04,324 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 16:31:04,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 16:31:04,329 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 16:31:04,334 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 16:31:04,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:31:04 BoogieIcfgContainer [2023-12-02 16:31:04,411 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 16:31:04,411 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 16:31:04,411 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 16:31:04,412 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 16:31:04,412 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:31:03" (3/4) ... [2023-12-02 16:31:04,414 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 16:31:04,416 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 16:31:04,417 INFO L158 Benchmark]: Toolchain (without parser) took 1741.78ms. Allocated memory was 151.0MB in the beginning and 199.2MB in the end (delta: 48.2MB). Free memory was 103.1MB in the beginning and 109.8MB in the end (delta: -6.7MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2023-12-02 16:31:04,418 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory was 120.0MB in the beginning and 119.9MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:31:04,418 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.04ms. Allocated memory is still 151.0MB. Free memory was 103.1MB in the beginning and 89.6MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 16:31:04,419 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.58ms. Allocated memory is still 151.0MB. Free memory was 89.0MB in the beginning and 85.7MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:31:04,419 INFO L158 Benchmark]: Boogie Preprocessor took 37.69ms. Allocated memory is still 151.0MB. Free memory was 85.7MB in the beginning and 84.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:31:04,420 INFO L158 Benchmark]: RCFGBuilder took 653.92ms. Allocated memory was 151.0MB in the beginning and 199.2MB in the end (delta: 48.2MB). Free memory was 84.2MB in the beginning and 160.1MB in the end (delta: -75.9MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2023-12-02 16:31:04,421 INFO L158 Benchmark]: TraceAbstraction took 707.60ms. Allocated memory is still 199.2MB. Free memory was 160.1MB in the beginning and 110.8MB in the end (delta: 49.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-12-02 16:31:04,421 INFO L158 Benchmark]: Witness Printer took 4.38ms. Allocated memory is still 199.2MB. Free memory was 109.8MB in the beginning and 109.8MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:31:04,425 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory was 120.0MB in the beginning and 119.9MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.04ms. Allocated memory is still 151.0MB. Free memory was 103.1MB in the beginning and 89.6MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.58ms. Allocated memory is still 151.0MB. Free memory was 89.0MB in the beginning and 85.7MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.69ms. Allocated memory is still 151.0MB. Free memory was 85.7MB in the beginning and 84.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 653.92ms. Allocated memory was 151.0MB in the beginning and 199.2MB in the end (delta: 48.2MB). Free memory was 84.2MB in the beginning and 160.1MB in the end (delta: -75.9MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. * TraceAbstraction took 707.60ms. Allocated memory is still 199.2MB. Free memory was 160.1MB in the beginning and 110.8MB in the end (delta: 49.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 4.38ms. Allocated memory is still 199.2MB. Free memory was 109.8MB in the beginning and 109.8MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 57, overapproximation of someBinaryDOUBLEComparisonOperation at line 139, overapproximation of someBinaryArithmeticFLOAToperation at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 2; [L23] unsigned char var_1_2 = 0; [L24] signed long int var_1_3 = -25; [L25] unsigned char var_1_4 = 100; [L26] unsigned char var_1_5 = 2; [L27] unsigned char var_1_6 = 64; [L28] unsigned char var_1_7 = 32; [L29] unsigned char var_1_8 = 32; [L30] float var_1_9 = 100.5; [L31] unsigned char var_1_10 = 4; [L32] float var_1_11 = 0.8; [L33] float var_1_12 = 2.5; [L34] signed short int var_1_13 = -32; [L35] float var_1_14 = 3.2; [L36] unsigned char var_1_15 = 1; [L37] unsigned char var_1_16 = 0; [L38] unsigned char var_1_17 = 0; [L39] float var_1_18 = 0.25; [L40] float var_1_19 = 100000000.25; [L41] signed char var_1_20 = 0; [L42] signed char var_1_21 = 10; [L43] double var_1_22 = 1000000.5; [L44] unsigned long int var_1_23 = 256; [L45] unsigned long int var_1_24 = 50; [L143] isInitial = 1 [L144] FCALL initially() [L145] COND TRUE 1 [L146] FCALL updateLastVariables() [L147] CALL updateVariables() [L94] var_1_2 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_3=-25, var_1_4=100, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_3=-25, var_1_4=100, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L96] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=-25, var_1_4=100, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=-25, var_1_4=100, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L97] var_1_3 = __VERIFIER_nondet_long() [L98] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=100, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=100, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L99] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=100, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=100, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L100] var_1_4 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_4 >= 95) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_4 >= 95) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L102] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L103] var_1_5 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L105] CALL assume_abort_if_not(var_1_5 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_5 <= 32) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L106] var_1_6 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_6 >= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_6 >= 64) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L108] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L109] var_1_7 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_8=32, var_1_9=201/2] [L111] CALL assume_abort_if_not(var_1_7 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_7 <= 64) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=32, var_1_9=201/2] [L112] var_1_8 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_9=201/2] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_9=201/2] [L114] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L115] var_1_10 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L117] CALL assume_abort_if_not(var_1_10 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_10 <= 255) VAL [isInitial=1, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L118] var_1_11 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L120] var_1_12 = __VERIFIER_nondet_float() [L121] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L122] var_1_14 = __VERIFIER_nondet_float() [L123] CALL assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L124] var_1_16 = __VERIFIER_nondet_uchar() [L125] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=-32, var_1_15=1, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_13=-32, var_1_15=1, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L126] CALL assume_abort_if_not(var_1_16 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_16 <= 0) VAL [isInitial=1, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L127] var_1_17 = __VERIFIER_nondet_uchar() [L128] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L129] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L130] var_1_19 = __VERIFIER_nondet_float() [L131] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L132] var_1_21 = __VERIFIER_nondet_char() [L133] CALL assume_abort_if_not(var_1_21 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_21 >= -31) VAL [isInitial=1, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L134] CALL assume_abort_if_not(var_1_21 <= 31) VAL [\old(cond)=1, isInitial=1, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_21 <= 31) VAL [isInitial=1, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L147] RET updateVariables() [L148] CALL step() [L49] COND TRUE -32 < var_1_3 [L50] var_1_1 = (((var_1_4 - var_1_5) + var_1_6) - (var_1_7 + ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))) [L52] COND FALSE !((var_1_10 + ((((var_1_3) > (var_1_6)) ? (var_1_3) : (var_1_6)))) == var_1_5) [L55] var_1_9 = var_1_12 [L57] COND TRUE (var_1_12 * ((((var_1_9) < (var_1_11)) ? (var_1_9) : (var_1_11)))) > (- var_1_14) [L58] COND FALSE !(var_1_6 <= var_1_8) [L66] COND FALSE !(var_1_5 >= var_1_6) [L75] var_1_15 = var_1_17 [L77] unsigned char stepLocal_1 = var_1_15; [L78] unsigned char stepLocal_0 = var_1_15; [L79] COND TRUE var_1_17 || stepLocal_1 [L80] COND TRUE stepLocal_0 && var_1_2 [L81] var_1_18 = (var_1_11 + var_1_19) [L86] COND TRUE var_1_11 == var_1_18 [L87] var_1_20 = ((var_1_5 + var_1_21) + var_1_8) [L89] var_1_22 = var_1_12 [L90] var_1_23 = var_1_8 [L91] var_1_24 = var_1_6 [L148] RET step() [L149] CALL, EXPR property() [L139-L140] return (((((((((-32 < var_1_3) ? (var_1_1 == ((unsigned char) (((var_1_4 - var_1_5) + var_1_6) - (var_1_7 + ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))))) : 1) && (((var_1_10 + ((((var_1_3) > (var_1_6)) ? (var_1_3) : (var_1_6)))) == var_1_5) ? (var_1_9 == ((float) ((4.5f + var_1_11) - var_1_12))) : (var_1_9 == ((float) var_1_12)))) && (((var_1_12 * ((((var_1_9) < (var_1_11)) ? (var_1_9) : (var_1_11)))) > (- var_1_14)) ? ((var_1_6 <= var_1_8) ? (var_1_2 ? (var_1_13 == ((signed short int) var_1_8)) : (var_1_13 == ((signed short int) var_1_5))) : 1) : 1)) && ((var_1_5 >= var_1_6) ? ((var_1_13 <= var_1_10) ? (var_1_15 == ((unsigned char) var_1_16)) : ((var_1_2 || var_1_16) ? (var_1_15 == ((unsigned char) var_1_17)) : 1)) : (var_1_15 == ((unsigned char) var_1_17)))) && ((var_1_17 || var_1_15) ? ((var_1_15 && var_1_2) ? (var_1_18 == ((float) (var_1_11 + var_1_19))) : (var_1_18 == ((float) var_1_19))) : 1)) && ((var_1_11 == var_1_18) ? (var_1_20 == ((signed char) ((var_1_5 + var_1_21) + var_1_8))) : 1)) && (var_1_22 == ((double) var_1_12))) && (var_1_23 == ((unsigned long int) var_1_8))) && (var_1_24 == ((unsigned long int) var_1_6)) ; [L149] RET, EXPR property() [L149] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=1/4, var_1_1=65, var_1_20=-1, var_1_21=-31, var_1_22=100000005, var_1_23=0, var_1_24=64, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=100000005] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=1/4, var_1_1=65, var_1_20=-1, var_1_21=-31, var_1_22=100000005, var_1_23=0, var_1_24=64, var_1_2=1, var_1_3=64, var_1_4=95, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=100000005] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 26, 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=50occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 16:31:04,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/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_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/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_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/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 905ea402cc55bdef24afb6746a861e91183650285de09f36be5802e4884371ad --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:31:06,292 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:31:06,369 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 16:31:06,376 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:31:06,376 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:31:06,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:31:06,406 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:31:06,407 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:31:06,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:31:06,408 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:31:06,409 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:31:06,409 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:31:06,410 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:31:06,410 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:31:06,411 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:31:06,411 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:31:06,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:31:06,413 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:31:06,413 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:31:06,414 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:31:06,414 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:31:06,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:31:06,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:31:06,415 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:31:06,416 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 16:31:06,416 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 16:31:06,417 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 16:31:06,417 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:31:06,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:31:06,418 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:31:06,418 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:31:06,419 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 16:31:06,419 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:31:06,419 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:31:06,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:31:06,420 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:31:06,420 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:31:06,420 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:31:06,420 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 16:31:06,421 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 16:31:06,421 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:31:06,421 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:31:06,421 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:31:06,422 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:31:06,422 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_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 905ea402cc55bdef24afb6746a861e91183650285de09f36be5802e4884371ad [2023-12-02 16:31:06,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:31:06,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:31:06,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:31:06,749 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:31:06,750 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:31:06,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-32.i [2023-12-02 16:31:09,510 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:31:09,728 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:31:09,728 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-32.i [2023-12-02 16:31:09,739 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/data/5f8f1e2f2/6a53b31fbb254f1aa39376fbdc8ac44f/FLAGfc75ee38e [2023-12-02 16:31:09,754 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/data/5f8f1e2f2/6a53b31fbb254f1aa39376fbdc8ac44f [2023-12-02 16:31:09,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:31:09,757 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:31:09,759 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:31:09,759 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:31:09,763 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:31:09,764 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:31:09" (1/1) ... [2023-12-02 16:31:09,765 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20635ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:31:09, skipping insertion in model container [2023-12-02 16:31:09,765 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:31:09" (1/1) ... [2023-12-02 16:31:09,796 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:31:09,933 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_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-32.i[917,930] [2023-12-02 16:31:09,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:31:09,998 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:31:10,008 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_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-32.i[917,930] [2023-12-02 16:31:10,035 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:31:10,051 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:31:10,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:31:10 WrapperNode [2023-12-02 16:31:10,051 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:31:10,052 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:31:10,052 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:31:10,052 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:31:10,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:31:10" (1/1) ... [2023-12-02 16:31:10,071 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:31:10" (1/1) ... [2023-12-02 16:31:10,100 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2023-12-02 16:31:10,100 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:31:10,101 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:31:10,102 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:31:10,102 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:31:10,111 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:31:10" (1/1) ... [2023-12-02 16:31:10,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:31:10" (1/1) ... [2023-12-02 16:31:10,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:31:10" (1/1) ... [2023-12-02 16:31:10,118 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:31:10" (1/1) ... [2023-12-02 16:31:10,129 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:31:10" (1/1) ... [2023-12-02 16:31:10,134 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:31:10" (1/1) ... [2023-12-02 16:31:10,137 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:31:10" (1/1) ... [2023-12-02 16:31:10,139 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:31:10" (1/1) ... [2023-12-02 16:31:10,144 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:31:10,145 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:31:10,146 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:31:10,146 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:31:10,147 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:31:10" (1/1) ... [2023-12-02 16:31:10,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:31:10,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:31:10,178 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:31:10,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:31:10,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:31:10,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 16:31:10,212 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 16:31:10,212 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 16:31:10,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:31:10,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:31:10,295 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:31:10,297 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:31:13,481 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:31:13,537 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:31:13,538 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 16:31:13,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:31:13 BoogieIcfgContainer [2023-12-02 16:31:13,539 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:31:13,541 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:31:13,541 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:31:13,543 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:31:13,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:31:09" (1/3) ... [2023-12-02 16:31:13,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d0d5c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:31:13, skipping insertion in model container [2023-12-02 16:31:13,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:31:10" (2/3) ... [2023-12-02 16:31:13,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d0d5c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:31:13, skipping insertion in model container [2023-12-02 16:31:13,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:31:13" (3/3) ... [2023-12-02 16:31:13,564 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-32.i [2023-12-02 16:31:13,583 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:31:13,584 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 16:31:13,637 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:31:13,644 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;@158b2142, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:31:13,644 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 16:31:13,649 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 38 states have internal predecessors, (53), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 16:31:13,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-02 16:31:13,664 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:31:13,665 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:31:13,665 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:31:13,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:31:13,671 INFO L85 PathProgramCache]: Analyzing trace with hash -596841797, now seen corresponding path program 1 times [2023-12-02 16:31:13,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:31:13,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1601615080] [2023-12-02 16:31:13,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:31:13,686 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 16:31:13,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:31:13,688 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 16:31:13,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 16:31:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:31:14,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 16:31:14,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:31:14,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 674 proven. 0 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2023-12-02 16:31:14,098 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:31:14,098 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:31:14,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1601615080] [2023-12-02 16:31:14,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1601615080] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:31:14,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:31:14,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 16:31:14,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284404512] [2023-12-02 16:31:14,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:31:14,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 16:31:14,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:31:14,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 16:31:14,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:31:14,140 INFO L87 Difference]: Start difference. First operand has 66 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 38 states have internal predecessors, (53), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-02 16:31:16,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:31:16,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:31:16,142 INFO L93 Difference]: Finished difference Result 129 states and 234 transitions. [2023-12-02 16:31:16,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 16:31:16,164 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 157 [2023-12-02 16:31:16,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:31:16,171 INFO L225 Difference]: With dead ends: 129 [2023-12-02 16:31:16,171 INFO L226 Difference]: Without dead ends: 64 [2023-12-02 16:31:16,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:31:16,176 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:31:16,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-02 16:31:16,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-12-02 16:31:16,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-12-02 16:31:16,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 36 states have internal predecessors, (48), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 16:31:16,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 100 transitions. [2023-12-02 16:31:16,224 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 100 transitions. Word has length 157 [2023-12-02 16:31:16,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:31:16,225 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 100 transitions. [2023-12-02 16:31:16,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-02 16:31:16,226 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 100 transitions. [2023-12-02 16:31:16,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-02 16:31:16,230 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:31:16,230 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:31:16,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 16:31:16,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 16:31:16,431 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:31:16,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:31:16,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1827971069, now seen corresponding path program 1 times [2023-12-02 16:31:16,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:31:16,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [919803398] [2023-12-02 16:31:16,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:31:16,434 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 16:31:16,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:31:16,435 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 16:31:16,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 16:31:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:31:16,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 16:31:16,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:31:17,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 409 proven. 18 refuted. 0 times theorem prover too weak. 873 trivial. 0 not checked. [2023-12-02 16:31:17,280 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:31:17,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 63 proven. 12 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-12-02 16:31:17,723 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:31:17,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [919803398] [2023-12-02 16:31:17,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [919803398] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:31:17,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1481197722] [2023-12-02 16:31:17,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:31:17,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 16:31:17,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 16:31:17,728 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 16:31:17,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 16:31:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:31:18,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 16:31:18,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:31:18,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 403 proven. 12 refuted. 0 times theorem prover too weak. 885 trivial. 0 not checked. [2023-12-02 16:31:18,758 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:31:18,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 63 proven. 12 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-12-02 16:31:18,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1481197722] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:31:18,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078003264] [2023-12-02 16:31:18,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:31:18,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:31:18,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:31:18,971 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:31:18,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 16:31:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:31:19,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 16:31:19,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:31:19,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 403 proven. 12 refuted. 0 times theorem prover too weak. 885 trivial. 0 not checked. [2023-12-02 16:31:19,387 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:31:19,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 63 proven. 12 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-12-02 16:31:19,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078003264] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:31:19,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 16:31:19,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7, 7, 7, 7] total 14 [2023-12-02 16:31:19,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311874231] [2023-12-02 16:31:19,597 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 16:31:19,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 16:31:19,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:31:19,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 16:31:19,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2023-12-02 16:31:19,602 INFO L87 Difference]: Start difference. First operand 64 states and 100 transitions. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 3 states have call successors, (33), 3 states have call predecessors, (33), 6 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-12-02 16:31:22,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:31:24,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:31:25,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:31:27,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:31:27,122 INFO L93 Difference]: Finished difference Result 246 states and 371 transitions. [2023-12-02 16:31:27,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 16:31:27,123 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 3 states have call successors, (33), 3 states have call predecessors, (33), 6 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 157 [2023-12-02 16:31:27,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:31:27,128 INFO L225 Difference]: With dead ends: 246 [2023-12-02 16:31:27,128 INFO L226 Difference]: Without dead ends: 183 [2023-12-02 16:31:27,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 954 GetRequests, 921 SyntacticMatches, 5 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=226, Invalid=644, Unknown=0, NotChecked=0, Total=870 [2023-12-02 16:31:27,132 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 175 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 41 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:31:27,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 666 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 745 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2023-12-02 16:31:27,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2023-12-02 16:31:27,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 174. [2023-12-02 16:31:27,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 94 states have (on average 1.2340425531914894) internal successors, (116), 95 states have internal predecessors, (116), 73 states have call successors, (73), 6 states have call predecessors, (73), 6 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2023-12-02 16:31:27,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 262 transitions. [2023-12-02 16:31:27,175 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 262 transitions. Word has length 157 [2023-12-02 16:31:27,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:31:27,176 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 262 transitions. [2023-12-02 16:31:27,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 3 states have call successors, (33), 3 states have call predecessors, (33), 6 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-12-02 16:31:27,177 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 262 transitions. [2023-12-02 16:31:27,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-02 16:31:27,180 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:31:27,181 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:31:27,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 16:31:27,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-02 16:31:27,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 16:31:27,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 16:31:27,782 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:31:27,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:31:27,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1070717836, now seen corresponding path program 1 times [2023-12-02 16:31:27,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:31:27,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [59740487] [2023-12-02 16:31:27,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:31:27,784 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 16:31:27,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:31:27,785 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 16:31:27,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/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 (6)] Waiting until timeout for monitored process [2023-12-02 16:31:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:31:28,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 16:31:28,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:31:29,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 585 proven. 144 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2023-12-02 16:31:29,329 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:31:29,462 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:31:29,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [59740487] [2023-12-02 16:31:29,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [59740487] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:31:29,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1683999617] [2023-12-02 16:31:29,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:31:29,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 16:31:29,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 16:31:29,464 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 16:31:29,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 16:31:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:31:30,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 16:31:30,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:31:31,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 585 proven. 144 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2023-12-02 16:31:31,720 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:31:31,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1683999617] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:31:31,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490288563] [2023-12-02 16:31:31,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:31:31,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:31:31,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:31:31,778 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:31:31,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbd084b-671f-4a29-b0a3-96f34ce87ce4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 16:31:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:31:34,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-02 16:31:34,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:32:23,692 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 (fp.lt c_~var_1_9~0 c_~var_1_11~0)) (.cse5 (fp.neg c_~var_1_14~0)) (.cse2 ((_ zero_extend 24) c_~var_1_6~0)) (.cse1 ((_ zero_extend 24) c_~var_1_5~0)) (.cse6 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (let ((.cse3 ((_ zero_extend 24) c_~var_1_10~0)) (.cse0 (bvsgt c_~var_1_3~0 .cse2))) (or (and (not .cse0) (= .cse1 (bvadd .cse2 .cse3))) (and (= (bvadd c_~var_1_3~0 .cse3) .cse1) .cse0))) (or (not .cse4) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_12~0 c_~var_1_9~0) .cse5))) (fp.leq c_~var_1_11~0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (fp.geq c_~var_1_11~0 .cse6) (= (_ bv0 16) (bvadd c_~var_1_13~0 (_ bv32 16))) (= c_~var_1_9~0 (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 9.0 2.0)) c_~var_1_11~0) c_~var_1_12~0)) (or .cse4 (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_12~0 c_~var_1_11~0) .cse5))) (fp.leq c_~var_1_12~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (= c_~var_1_1~0 ((_ extract 7 0) (bvadd ((_ zero_extend 24) c_~var_1_4~0) (bvneg (bvadd ((_ zero_extend 24) c_~var_1_8~0) ((_ zero_extend 24) c_~var_1_7~0))) .cse2 (bvneg .cse1)))) (fp.geq c_~var_1_12~0 .cse6) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-02 16:32:25,710 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse4 (fp.lt c_~var_1_9~0 c_~var_1_11~0)) (.cse5 (fp.neg c_~var_1_14~0)) (.cse2 ((_ zero_extend 24) c_~var_1_6~0)) (.cse1 ((_ zero_extend 24) c_~var_1_5~0)) (.cse6 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (let ((.cse3 ((_ zero_extend 24) c_~var_1_10~0)) (.cse0 (bvsgt c_~var_1_3~0 .cse2))) (or (and (not .cse0) (= .cse1 (bvadd .cse2 .cse3))) (and (= (bvadd c_~var_1_3~0 .cse3) .cse1) .cse0))) (or (not .cse4) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_12~0 c_~var_1_9~0) .cse5))) (fp.leq c_~var_1_11~0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (fp.geq c_~var_1_11~0 .cse6) (= (_ bv0 16) (bvadd c_~var_1_13~0 (_ bv32 16))) (= c_~var_1_9~0 (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 9.0 2.0)) c_~var_1_11~0) c_~var_1_12~0)) (or .cse4 (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_12~0 c_~var_1_11~0) .cse5))) (fp.leq c_~var_1_12~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (= c_~var_1_1~0 ((_ extract 7 0) (bvadd ((_ zero_extend 24) c_~var_1_4~0) (bvneg (bvadd ((_ zero_extend 24) c_~var_1_8~0) ((_ zero_extend 24) c_~var_1_7~0))) .cse2 (bvneg .cse1)))) (fp.geq c_~var_1_12~0 .cse6) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2023-12-02 16:32:33,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 626 proven. 108 refuted. 0 times theorem prover too weak. 566 trivial. 0 not checked. [2023-12-02 16:32:33,349 INFO L327 TraceCheckSpWp]: Computing backward predicates...