./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-46.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_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/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_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/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_190a10f2-ef40-4803-973a-520401f14a5e/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 16bedafa7367c5fdfd22a91a49a3bc51f874f132ae36e0fa9860d4d7f4f51ac0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:00:34,490 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:00:34,557 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 13:00:34,562 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:00:34,563 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:00:34,590 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:00:34,591 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:00:34,591 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:00:34,592 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:00:34,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:00:34,593 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:00:34,594 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:00:34,594 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:00:34,595 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:00:34,595 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:00:34,596 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:00:34,596 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:00:34,597 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:00:34,597 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:00:34,598 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:00:34,599 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:00:34,599 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:00:34,600 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:00:34,601 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:00:34,601 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:00:34,602 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:00:34,602 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:00:34,602 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:00:34,603 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:00:34,603 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:00:34,604 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:00:34,604 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:00:34,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:00:34,605 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:00:34,605 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:00:34,605 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:00:34,605 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:00:34,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:00:34,606 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:00:34,606 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:00:34,606 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:00:34,606 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:00:34,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:00:34,607 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:00:34,607 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:00:34,607 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:00:34,607 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:00:34,608 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_190a10f2-ef40-4803-973a-520401f14a5e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16bedafa7367c5fdfd22a91a49a3bc51f874f132ae36e0fa9860d4d7f4f51ac0 [2023-12-02 13:00:34,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:00:34,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:00:34,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:00:34,868 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:00:34,869 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:00:34,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-46.i [2023-12-02 13:00:37,614 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:00:37,778 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:00:37,779 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-46.i [2023-12-02 13:00:37,787 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/data/836ac2d37/5e596ff72a5d4a119fe6d0ff3c50ba96/FLAGd88cd4755 [2023-12-02 13:00:37,797 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/data/836ac2d37/5e596ff72a5d4a119fe6d0ff3c50ba96 [2023-12-02 13:00:37,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:00:37,800 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:00:37,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:00:37,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:00:37,806 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:00:37,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:00:37" (1/1) ... [2023-12-02 13:00:37,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b81946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:37, skipping insertion in model container [2023-12-02 13:00:37,808 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:00:37" (1/1) ... [2023-12-02 13:00:37,836 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:00:37,966 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_190a10f2-ef40-4803-973a-520401f14a5e/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-46.i[919,932] [2023-12-02 13:00:38,021 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:00:38,051 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:00:38,062 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_190a10f2-ef40-4803-973a-520401f14a5e/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-46.i[919,932] [2023-12-02 13:00:38,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:00:38,113 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:00:38,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:38 WrapperNode [2023-12-02 13:00:38,114 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:00:38,115 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:00:38,115 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:00:38,116 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:00:38,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:38" (1/1) ... [2023-12-02 13:00:38,136 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:38" (1/1) ... [2023-12-02 13:00:38,180 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 166 [2023-12-02 13:00:38,181 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:00:38,182 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:00:38,182 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:00:38,182 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:00:38,191 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:38" (1/1) ... [2023-12-02 13:00:38,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:38" (1/1) ... [2023-12-02 13:00:38,196 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:38" (1/1) ... [2023-12-02 13:00:38,197 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:38" (1/1) ... [2023-12-02 13:00:38,211 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:38" (1/1) ... [2023-12-02 13:00:38,215 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:38" (1/1) ... [2023-12-02 13:00:38,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:38" (1/1) ... [2023-12-02 13:00:38,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:38" (1/1) ... [2023-12-02 13:00:38,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:00:38,232 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:00:38,232 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:00:38,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:00:38,233 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:38" (1/1) ... [2023-12-02 13:00:38,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:00:38,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:00:38,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:00:38,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:00:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:00:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:00:38,303 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:00:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:00:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:00:38,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:00:38,390 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:00:38,392 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:00:38,747 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:00:38,941 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:00:38,941 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:00:38,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:00:38 BoogieIcfgContainer [2023-12-02 13:00:38,943 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:00:38,946 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:00:38,946 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:00:38,949 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:00:38,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:00:37" (1/3) ... [2023-12-02 13:00:38,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26db9ee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:00:38, skipping insertion in model container [2023-12-02 13:00:38,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:38" (2/3) ... [2023-12-02 13:00:38,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26db9ee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:00:38, skipping insertion in model container [2023-12-02 13:00:38,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:00:38" (3/3) ... [2023-12-02 13:00:38,952 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-46.i [2023-12-02 13:00:38,971 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:00:38,971 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:00:39,040 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:00:39,047 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;@70ec9044, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:00:39,047 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:00:39,054 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-02 13:00:39,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 13:00:39,064 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:00:39,065 INFO L195 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:00:39,072 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:00:39,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:00:39,077 INFO L85 PathProgramCache]: Analyzing trace with hash -468229797, now seen corresponding path program 1 times [2023-12-02 13:00:39,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:00:39,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823271839] [2023-12-02 13:00:39,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:00:39,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:00:39,244 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:00:39,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [234418783] [2023-12-02 13:00:39,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:00:39,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:00:39,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:00:39,253 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:00:39,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 13:00:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:00:40,264 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 13:00:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:00:40,415 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 13:00:40,418 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 13:00:40,419 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 13:00:40,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:00:40,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 13:00:40,628 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 13:00:40,631 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 13:00:40,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:00:40 BoogieIcfgContainer [2023-12-02 13:00:40,700 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 13:00:40,701 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 13:00:40,701 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 13:00:40,701 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 13:00:40,702 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:00:38" (3/4) ... [2023-12-02 13:00:40,704 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 13:00:40,705 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 13:00:40,706 INFO L158 Benchmark]: Toolchain (without parser) took 2905.80ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 71.7MB in the beginning and 83.0MB in the end (delta: -11.3MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2023-12-02 13:00:40,707 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 123.7MB. Free memory was 96.1MB in the beginning and 96.0MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:00:40,708 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.57ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 71.7MB in the beginning and 121.8MB in the end (delta: -50.2MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2023-12-02 13:00:40,708 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.78ms. Allocated memory is still 153.1MB. Free memory was 121.8MB in the beginning and 116.5MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 13:00:40,709 INFO L158 Benchmark]: Boogie Preprocessor took 49.79ms. Allocated memory is still 153.1MB. Free memory was 116.5MB in the beginning and 114.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 13:00:40,710 INFO L158 Benchmark]: RCFGBuilder took 710.87ms. Allocated memory is still 153.1MB. Free memory was 114.4MB in the beginning and 59.8MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-12-02 13:00:40,710 INFO L158 Benchmark]: TraceAbstraction took 1754.55ms. Allocated memory is still 153.1MB. Free memory was 58.9MB in the beginning and 83.0MB in the end (delta: -24.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:00:40,711 INFO L158 Benchmark]: Witness Printer took 4.38ms. Allocated memory is still 153.1MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:00:40,714 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 123.7MB. Free memory was 96.1MB in the beginning and 96.0MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.57ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 71.7MB in the beginning and 121.8MB in the end (delta: -50.2MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.78ms. Allocated memory is still 153.1MB. Free memory was 121.8MB in the beginning and 116.5MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.79ms. Allocated memory is still 153.1MB. Free memory was 116.5MB in the beginning and 114.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 710.87ms. Allocated memory is still 153.1MB. Free memory was 114.4MB in the beginning and 59.8MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1754.55ms. Allocated memory is still 153.1MB. Free memory was 58.9MB in the beginning and 83.0MB in the end (delta: -24.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.38ms. Allocated memory is still 153.1MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 109, overapproximation of shiftRight at line 69, overapproximation of bitwiseOr at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 48. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 16; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_4 = 128; [L26] unsigned char var_1_5 = 10; [L27] unsigned short int var_1_6 = 10; [L28] unsigned short int var_1_7 = 52077; [L29] unsigned short int var_1_8 = 47248; [L30] unsigned short int var_1_9 = 50; [L31] float var_1_11 = 63.75; [L32] signed long int var_1_12 = 100000; [L33] unsigned short int var_1_13 = 8; [L34] signed long int var_1_14 = 2; [L35] signed long int var_1_15 = 32; [L36] double var_1_17 = 127.5; [L37] double var_1_18 = 32.75; [L38] signed char var_1_19 = 0; [L39] unsigned long int var_1_20 = 128; [L40] unsigned short int last_1_var_1_13 = 8; [L41] double last_1_var_1_17 = 127.5; [L128] isInitial = 1 [L129] FCALL initially() [L130] COND TRUE 1 [L131] CALL updateLastVariables() [L120] last_1_var_1_13 = var_1_13 [L121] last_1_var_1_17 = var_1_17 [L131] RET updateLastVariables() [L132] CALL updateVariables() [L89] var_1_2 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L91] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L92] var_1_3 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L94] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L95] var_1_4 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_4 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_4 >= 127) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L97] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L98] var_1_5 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L100] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=127, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=127, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L101] var_1_7 = __VERIFIER_nondet_ushort() [L102] CALL assume_abort_if_not(var_1_7 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=127, var_1_6=10, var_1_7=65534, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_7 >= 32767) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=127, var_1_6=10, var_1_7=65534, var_1_8=47248, var_1_9=50] [L103] CALL assume_abort_if_not(var_1_7 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=127, var_1_6=10, var_1_7=65534, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_7 <= 65534) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=127, var_1_6=10, var_1_7=65534, var_1_8=47248, var_1_9=50] [L104] var_1_8 = __VERIFIER_nondet_ushort() [L105] CALL assume_abort_if_not(var_1_8 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=127, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_8 >= 32767) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=127, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L106] CALL assume_abort_if_not(var_1_8 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=127, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_8 <= 65534) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=127, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L107] var_1_11 = __VERIFIER_nondet_float() [L108] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=127, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=127, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L109] CALL assume_abort_if_not(var_1_11 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=127, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_11 != 0.0F) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=127, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L110] var_1_14 = __VERIFIER_nondet_long() [L111] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=127, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=127, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L112] CALL assume_abort_if_not(var_1_14 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=127, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_14 <= 32) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=127, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L113] var_1_15 = __VERIFIER_nondet_long() [L114] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=127, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=127, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L115] CALL assume_abort_if_not(var_1_15 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=127, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_15 <= 32) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=127, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L116] var_1_18 = __VERIFIER_nondet_double() [L117] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=127, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=127, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L132] RET updateVariables() [L133] CALL step() [L45] COND FALSE !(-100000 >= last_1_var_1_13) [L48] COND FALSE !((last_1_var_1_17 / var_1_11) == 999999.6f) [L52] COND TRUE var_1_2 && var_1_3 [L53] var_1_1 = (var_1_4 - var_1_5) [L57] COND TRUE var_1_1 <= (var_1_5 * var_1_4) [L58] COND TRUE \read(var_1_2) [L59] var_1_6 = (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_5) [L66] var_1_17 = var_1_18 [L67] var_1_19 = 5 [L68] var_1_20 = var_1_15 [L69] EXPR -4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15))) [L69] EXPR var_1_7 | ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))) [L69] COND FALSE !((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) [L76] var_1_13 = var_1_1 [L78] COND TRUE var_1_1 < var_1_20 [L79] COND FALSE !(var_1_5 == (~ (var_1_1 + var_1_20))) [L82] var_1_12 = ((((var_1_20) < (var_1_8)) ? (var_1_20) : (var_1_8))) [L133] RET step() [L134] CALL, EXPR property() [L124] EXPR (((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned char) (var_1_4 - var_1_5))) : (var_1_1 == ((unsigned char) (var_1_4 - var_1_5)))) && ((var_1_1 <= (var_1_5 * var_1_4)) ? (var_1_2 ? (var_1_6 == ((unsigned short int) (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5)))) && ((-100000 >= last_1_var_1_13) ? (var_1_9 == ((unsigned short int) (((((last_1_var_1_13 + var_1_5)) > (64)) ? ((last_1_var_1_13 + var_1_5)) : (64))))) : (((last_1_var_1_17 / var_1_11) == 999999.6f) ? (var_1_9 == ((unsigned short int) var_1_7)) : 1))) && ((var_1_1 < var_1_20) ? ((var_1_5 == (~ (var_1_1 + var_1_20))) ? (var_1_12 == ((signed long int) (((((var_1_5) > (((((-1) < (var_1_1)) ? (-1) : (var_1_1))))) ? (var_1_5) : (((((-1) < (var_1_1)) ? (-1) : (var_1_1)))))) - 1000))) : (var_1_12 == ((signed long int) ((((var_1_20) < (var_1_8)) ? (var_1_20) : (var_1_8)))))) : (var_1_12 == ((signed long int) var_1_6)))) && (((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) ? (var_1_3 ? (var_1_13 == ((unsigned short int) var_1_6)) : (var_1_13 == ((unsigned short int) var_1_4))) : (var_1_13 == ((unsigned short int) var_1_1))) [L124-L125] return ((((((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned char) (var_1_4 - var_1_5))) : (var_1_1 == ((unsigned char) (var_1_4 - var_1_5)))) && ((var_1_1 <= (var_1_5 * var_1_4)) ? (var_1_2 ? (var_1_6 == ((unsigned short int) (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5)))) && ((-100000 >= last_1_var_1_13) ? (var_1_9 == ((unsigned short int) (((((last_1_var_1_13 + var_1_5)) > (64)) ? ((last_1_var_1_13 + var_1_5)) : (64))))) : (((last_1_var_1_17 / var_1_11) == 999999.6f) ? (var_1_9 == ((unsigned short int) var_1_7)) : 1))) && ((var_1_1 < var_1_20) ? ((var_1_5 == (~ (var_1_1 + var_1_20))) ? (var_1_12 == ((signed long int) (((((var_1_5) > (((((-1) < (var_1_1)) ? (-1) : (var_1_1))))) ? (var_1_5) : (((((-1) < (var_1_1)) ? (-1) : (var_1_1)))))) - 1000))) : (var_1_12 == ((signed long int) ((((var_1_20) < (var_1_8)) ? (var_1_20) : (var_1_8)))))) : (var_1_12 == ((signed long int) var_1_6)))) && (((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) ? (var_1_3 ? (var_1_13 == ((unsigned short int) var_1_6)) : (var_1_13 == ((unsigned short int) var_1_4))) : (var_1_13 == ((unsigned short int) var_1_1)))) && (var_1_17 == ((double) var_1_18))) && (var_1_19 == ((signed char) 5))) && (var_1_20 == ((unsigned long int) var_1_15)) ; [L134] RET, EXPR property() [L134] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=2, var_1_13=1, var_1_14=1, var_1_15=2, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=1, var_1_20=2, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=127, var_1_6=65407, var_1_7=65534, var_1_8=65534, var_1_9=50] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=2, var_1_13=1, var_1_14=1, var_1_15=2, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=1, var_1_20=2, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=127, var_1_6=65407, var_1_7=65534, var_1_8=65534, var_1_9=50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 13:00:40,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/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_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/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_190a10f2-ef40-4803-973a-520401f14a5e/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 16bedafa7367c5fdfd22a91a49a3bc51f874f132ae36e0fa9860d4d7f4f51ac0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:00:42,639 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:00:42,717 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 13:00:42,723 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:00:42,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:00:42,752 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:00:42,752 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:00:42,753 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:00:42,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:00:42,754 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:00:42,755 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:00:42,756 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:00:42,756 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:00:42,757 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:00:42,757 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:00:42,758 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:00:42,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:00:42,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:00:42,759 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:00:42,760 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:00:42,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:00:42,761 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:00:42,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:00:42,762 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:00:42,762 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 13:00:42,762 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 13:00:42,763 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 13:00:42,763 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:00:42,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:00:42,764 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:00:42,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:00:42,765 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 13:00:42,765 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:00:42,765 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:00:42,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:00:42,766 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:00:42,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:00:42,766 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:00:42,766 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 13:00:42,767 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 13:00:42,767 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:00:42,770 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:00:42,770 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:00:42,770 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:00:42,770 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_190a10f2-ef40-4803-973a-520401f14a5e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16bedafa7367c5fdfd22a91a49a3bc51f874f132ae36e0fa9860d4d7f4f51ac0 [2023-12-02 13:00:43,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:00:43,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:00:43,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:00:43,112 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:00:43,112 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:00:43,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-46.i [2023-12-02 13:00:45,960 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:00:46,192 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:00:46,192 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-46.i [2023-12-02 13:00:46,203 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/data/59d01efbd/777138cbf35442c0ba6814cdc58baef0/FLAGbe985c9bb [2023-12-02 13:00:46,217 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/data/59d01efbd/777138cbf35442c0ba6814cdc58baef0 [2023-12-02 13:00:46,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:00:46,221 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:00:46,222 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:00:46,223 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:00:46,227 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:00:46,228 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:00:46" (1/1) ... [2023-12-02 13:00:46,229 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d04e554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:46, skipping insertion in model container [2023-12-02 13:00:46,229 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:00:46" (1/1) ... [2023-12-02 13:00:46,262 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:00:46,396 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_190a10f2-ef40-4803-973a-520401f14a5e/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-46.i[919,932] [2023-12-02 13:00:46,451 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:00:46,467 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:00:46,479 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_190a10f2-ef40-4803-973a-520401f14a5e/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-46.i[919,932] [2023-12-02 13:00:46,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:00:46,527 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:00:46,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:46 WrapperNode [2023-12-02 13:00:46,528 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:00:46,529 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:00:46,529 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:00:46,529 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:00:46,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:46" (1/1) ... [2023-12-02 13:00:46,549 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:46" (1/1) ... [2023-12-02 13:00:46,579 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2023-12-02 13:00:46,579 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:00:46,580 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:00:46,580 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:00:46,581 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:00:46,588 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:46" (1/1) ... [2023-12-02 13:00:46,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:46" (1/1) ... [2023-12-02 13:00:46,594 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:46" (1/1) ... [2023-12-02 13:00:46,594 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:46" (1/1) ... [2023-12-02 13:00:46,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:46" (1/1) ... [2023-12-02 13:00:46,611 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:46" (1/1) ... [2023-12-02 13:00:46,615 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:46" (1/1) ... [2023-12-02 13:00:46,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:46" (1/1) ... [2023-12-02 13:00:46,623 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:00:46,624 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:00:46,624 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:00:46,625 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:00:46,626 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:46" (1/1) ... [2023-12-02 13:00:46,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:00:46,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:00:46,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:00:46,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:00:46,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:00:46,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 13:00:46,710 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:00:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:00:46,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:00:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:00:46,791 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:00:46,793 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:00:53,777 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:00:53,823 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:00:53,823 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:00:53,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:00:53 BoogieIcfgContainer [2023-12-02 13:00:53,824 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:00:53,826 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:00:53,827 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:00:53,830 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:00:53,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:00:46" (1/3) ... [2023-12-02 13:00:53,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@718f0240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:00:53, skipping insertion in model container [2023-12-02 13:00:53,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:00:46" (2/3) ... [2023-12-02 13:00:53,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@718f0240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:00:53, skipping insertion in model container [2023-12-02 13:00:53,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:00:53" (3/3) ... [2023-12-02 13:00:53,833 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-46.i [2023-12-02 13:00:53,851 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:00:53,852 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:00:53,898 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:00:53,903 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;@763d9529, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:00:53,903 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:00:53,907 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 31 states have internal predecessors, (44), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-02 13:00:53,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-02 13:00:53,919 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:00:53,920 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:00:53,920 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:00:53,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:00:53,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1628079303, now seen corresponding path program 1 times [2023-12-02 13:00:53,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:00:53,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [266752662] [2023-12-02 13:00:53,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:00:53,940 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 13:00:53,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:00:53,958 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/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 13:00:53,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/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 13:00:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:00:54,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 13:00:54,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:00:54,847 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-02 13:00:54,848 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:00:54,849 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:00:54,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [266752662] [2023-12-02 13:00:54,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [266752662] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:00:54,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:00:54,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:00:54,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294582857] [2023-12-02 13:00:54,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:00:54,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 13:00:54,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:00:54,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 13:00:54,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:00:54,889 INFO L87 Difference]: Start difference. First operand has 52 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 31 states have internal predecessors, (44), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-02 13:00:57,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:00:57,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:00:57,772 INFO L93 Difference]: Finished difference Result 100 states and 179 transitions. [2023-12-02 13:00:57,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 13:00:57,985 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 116 [2023-12-02 13:00:57,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:00:57,991 INFO L225 Difference]: With dead ends: 100 [2023-12-02 13:00:57,991 INFO L226 Difference]: Without dead ends: 49 [2023-12-02 13:00:57,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 115 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 13:00:57,996 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:00:57,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2023-12-02 13:00:58,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-12-02 13:00:58,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-12-02 13:00:58,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-02 13:00:58,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 73 transitions. [2023-12-02 13:00:58,036 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 73 transitions. Word has length 116 [2023-12-02 13:00:58,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:00:58,037 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 73 transitions. [2023-12-02 13:00:58,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-02 13:00:58,037 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2023-12-02 13:00:58,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-02 13:00:58,041 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:00:58,041 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:00:58,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/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 13:00:58,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/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 13:00:58,246 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:00:58,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:00:58,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1518691168, now seen corresponding path program 1 times [2023-12-02 13:00:58,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:00:58,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [204154523] [2023-12-02 13:00:58,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:00:58,248 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 13:00:58,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:00:58,249 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/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 13:00:58,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/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 13:02:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:02:30,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 13:02:30,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:02:41,886 WARN L854 $PredicateComparison]: unable to prove that (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) is different from false [2023-12-02 13:02:44,006 WARN L876 $PredicateComparison]: unable to prove that (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) is different from true [2023-12-02 13:03:30,327 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-02 13:03:30,328 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:03:30,328 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:03:30,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [204154523] [2023-12-02 13:03:30,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [204154523] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:03:30,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:03:30,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:03:30,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732842998] [2023-12-02 13:03:30,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:03:30,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:03:30,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:03:30,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:03:30,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=7, Unknown=2, NotChecked=4, Total=20 [2023-12-02 13:03:30,332 INFO L87 Difference]: Start difference. First operand 49 states and 73 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-02 13:03:33,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:03:35,730 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 255.0 2.0)))) (and (= c_~var_1_17~0 .cse0) (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) (= c_~last_1_var_1_17~0 .cse0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-02 13:03:38,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:03:41,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:03:43,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:03:45,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:03:47,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:03:49,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:03:52,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:03:54,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:03:57,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.93s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:03:59,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:03:59,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:03:59,445 INFO L93 Difference]: Finished difference Result 107 states and 158 transitions. [2023-12-02 13:03:59,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:03:59,651 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 117 [2023-12-02 13:03:59,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:03:59,654 INFO L225 Difference]: With dead ends: 107 [2023-12-02 13:03:59,654 INFO L226 Difference]: Without dead ends: 105 [2023-12-02 13:03:59,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=13, Invalid=12, Unknown=3, NotChecked=14, Total=42 [2023-12-02 13:03:59,656 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 42 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 39 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 182 IncrementalHoareTripleChecker+Unchecked, 26.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:03:59,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 222 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 14 Invalid, 11 Unknown, 182 Unchecked, 26.6s Time] [2023-12-02 13:03:59,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-12-02 13:03:59,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 92. [2023-12-02 13:03:59,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 51 states have internal predecessors, (62), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-02 13:03:59,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 138 transitions. [2023-12-02 13:03:59,683 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 138 transitions. Word has length 117 [2023-12-02 13:03:59,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:03:59,684 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 138 transitions. [2023-12-02 13:03:59,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-02 13:03:59,684 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 138 transitions. [2023-12-02 13:03:59,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-02 13:03:59,687 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:03:59,687 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:03:59,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/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 13:03:59,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/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 13:03:59,888 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:03:59,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:03:59,888 INFO L85 PathProgramCache]: Analyzing trace with hash 709344542, now seen corresponding path program 1 times [2023-12-02 13:03:59,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:03:59,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [167178370] [2023-12-02 13:03:59,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:03:59,889 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 13:03:59,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:03:59,890 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/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 13:03:59,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 13:07:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:07:36,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 13:07:36,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:07:47,450 WARN L854 $PredicateComparison]: unable to prove that (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) is different from false [2023-12-02 13:07:49,578 WARN L876 $PredicateComparison]: unable to prove that (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) is different from true [2023-12-02 13:08:36,231 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-02 13:08:36,231 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:08:36,232 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:08:36,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [167178370] [2023-12-02 13:08:36,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [167178370] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:08:36,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:08:36,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:08:36,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604108724] [2023-12-02 13:08:36,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:08:36,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:08:36,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:08:36,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:08:36,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=7, Unknown=2, NotChecked=4, Total=20 [2023-12-02 13:08:36,234 INFO L87 Difference]: Start difference. First operand 92 states and 138 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-02 13:08:39,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:08:41,616 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 255.0 2.0)))) (and (= c_~var_1_17~0 .cse0) (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) (= c_~last_1_var_1_17~0 .cse0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-02 13:08:44,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:08:47,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:08:49,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:08:51,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:08:53,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:08:56,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:08:58,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:09:01,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:09:03,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:09:03,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:09:03,508 INFO L93 Difference]: Finished difference Result 113 states and 166 transitions. [2023-12-02 13:09:03,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:09:03,720 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 117 [2023-12-02 13:09:03,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:09:03,722 INFO L225 Difference]: With dead ends: 113 [2023-12-02 13:09:03,722 INFO L226 Difference]: Without dead ends: 111 [2023-12-02 13:09:03,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=13, Invalid=12, Unknown=3, NotChecked=14, Total=42 [2023-12-02 13:09:03,724 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 42 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 39 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 182 IncrementalHoareTripleChecker+Unchecked, 24.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:09:03,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 218 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 15 Invalid, 10 Unknown, 182 Unchecked, 24.7s Time] [2023-12-02 13:09:03,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-12-02 13:09:03,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 92. [2023-12-02 13:09:03,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 51 states have internal predecessors, (62), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-02 13:09:03,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 138 transitions. [2023-12-02 13:09:03,745 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 138 transitions. Word has length 117 [2023-12-02 13:09:03,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:09:03,746 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 138 transitions. [2023-12-02 13:09:03,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-02 13:09:03,746 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 138 transitions. [2023-12-02 13:09:03,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-02 13:09:03,748 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:09:03,748 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:09:03,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-02 13:09:03,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/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 13:09:03,949 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:09:03,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:09:03,950 INFO L85 PathProgramCache]: Analyzing trace with hash -2096217758, now seen corresponding path program 1 times [2023-12-02 13:09:03,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:09:03,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1183670003] [2023-12-02 13:09:03,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:09:03,951 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 13:09:03,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:09:03,952 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/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 13:09:03,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a10f2-ef40-4803-973a-520401f14a5e/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-02 13:09:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:09:04,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 13:09:04,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:09:15,821 WARN L293 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:09:37,970 WARN L854 $PredicateComparison]: unable to prove that (and (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-12-02 13:09:40,184 WARN L876 $PredicateComparison]: unable to prove that (and (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2023-12-02 13:10:14,677 WARN L293 SmtUtils]: Spent 5.15s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:10:16,907 WARN L854 $PredicateComparison]: unable to prove that (and (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (= ((_ extract 7 0) (bvadd ((_ zero_extend 24) c_~var_1_4~0) (bvneg ((_ zero_extend 24) c_~var_1_5~0)))) c_~var_1_1~0) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-12-02 13:10:19,128 WARN L876 $PredicateComparison]: unable to prove that (and (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (= ((_ extract 7 0) (bvadd ((_ zero_extend 24) c_~var_1_4~0) (bvneg ((_ zero_extend 24) c_~var_1_5~0)))) c_~var_1_1~0) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2023-12-02 13:10:38,640 WARN L293 SmtUtils]: Spent 5.09s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:10:43,653 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:10:48,668 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:11:05,826 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_4~0)) (.cse1 ((_ zero_extend 24) c_~var_1_5~0))) (and (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (= ((_ zero_extend 8) c_~var_1_5~0) c_~var_1_6~0) (= ((_ extract 7 0) (bvadd .cse0 (bvneg .cse1))) c_~var_1_1~0) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse2)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse3))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse2)))))) (not (bvsle ((_ zero_extend 24) c_~var_1_1~0) (bvmul .cse0 .cse1))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-02 13:11:08,042 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_4~0)) (.cse1 ((_ zero_extend 24) c_~var_1_5~0))) (and (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (= ((_ zero_extend 8) c_~var_1_5~0) c_~var_1_6~0) (= ((_ extract 7 0) (bvadd .cse0 (bvneg .cse1))) c_~var_1_1~0) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse2)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse3))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse2)))))) (not (bvsle ((_ zero_extend 24) c_~var_1_1~0) (bvmul .cse0 .cse1))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2023-12-02 13:11:42,418 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:11:52,418 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:12:09,588 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_4~0)) (.cse1 ((_ zero_extend 24) c_~var_1_5~0))) (and (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (= ((_ zero_extend 8) c_~var_1_5~0) c_~var_1_6~0) (= c_~var_1_19~0 (_ bv5 8)) (= ((_ extract 7 0) (bvadd .cse0 (bvneg .cse1))) c_~var_1_1~0) (= c_~var_1_17~0 c_~var_1_18~0) (= c_~var_1_15~0 c_~var_1_20~0) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse2)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse3))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse2)))))) (not (bvsle ((_ zero_extend 24) c_~var_1_1~0) (bvmul .cse0 .cse1))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-02 13:12:11,806 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_4~0)) (.cse1 ((_ zero_extend 24) c_~var_1_5~0))) (and (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (= ((_ zero_extend 8) c_~var_1_5~0) c_~var_1_6~0) (= c_~var_1_19~0 (_ bv5 8)) (= ((_ extract 7 0) (bvadd .cse0 (bvneg .cse1))) c_~var_1_1~0) (= c_~var_1_17~0 c_~var_1_18~0) (= c_~var_1_15~0 c_~var_1_20~0) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse2)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse3))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse2)))))) (not (bvsle ((_ zero_extend 24) c_~var_1_1~0) (bvmul .cse0 .cse1))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2023-12-02 13:12:27,396 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:12:32,403 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:12:38,414 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:12:43,416 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:12:53,538 WARN L293 SmtUtils]: Spent 5.13s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:12:58,542 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:13:03,564 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:13:08,595 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:13:18,594 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:13:20,812 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_4~0)) (.cse1 ((_ zero_extend 24) c_~var_1_5~0))) (and (= c_~var_1_13~0 ((_ zero_extend 8) c_~var_1_1~0)) (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (= ((_ zero_extend 8) c_~var_1_5~0) c_~var_1_6~0) (= c_~var_1_19~0 (_ bv5 8)) (= ((_ extract 7 0) (bvadd .cse0 (bvneg .cse1))) c_~var_1_1~0) (= c_~var_1_17~0 c_~var_1_18~0) (= c_~var_1_15~0 c_~var_1_20~0) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse2)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse3))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse2)))))) (not (bvsle ((_ zero_extend 24) c_~var_1_1~0) (bvmul .cse0 .cse1))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-02 13:13:23,026 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_4~0)) (.cse1 ((_ zero_extend 24) c_~var_1_5~0))) (and (= c_~var_1_13~0 ((_ zero_extend 8) c_~var_1_1~0)) (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (= ((_ zero_extend 8) c_~var_1_5~0) c_~var_1_6~0) (= c_~var_1_19~0 (_ bv5 8)) (= ((_ extract 7 0) (bvadd .cse0 (bvneg .cse1))) c_~var_1_1~0) (= c_~var_1_17~0 c_~var_1_18~0) (= c_~var_1_15~0 c_~var_1_20~0) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse2)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse3))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse2)))))) (not (bvsle ((_ zero_extend 24) c_~var_1_1~0) (bvmul .cse0 .cse1))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2023-12-02 13:13:33,039 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:13:42,504 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:13:52,509 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:13:57,520 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:14:02,568 WARN L293 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:14:12,572 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:14:32,571 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:14:37,599 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:14:39,828 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) c_~var_1_1~0)) (.cse0 ((_ zero_extend 24) c_~var_1_4~0)) (.cse1 ((_ zero_extend 24) c_~var_1_5~0))) (and (= c_~var_1_13~0 ((_ zero_extend 8) c_~var_1_1~0)) (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (= ((_ zero_extend 8) c_~var_1_5~0) c_~var_1_6~0) (= c_~var_1_19~0 (_ bv5 8)) (= ((_ extract 7 0) (bvadd .cse0 (bvneg .cse1))) c_~var_1_1~0) (not (bvult .cse2 c_~var_1_20~0)) (= c_~var_1_17~0 c_~var_1_18~0) (= c_~var_1_15~0 c_~var_1_20~0) (let ((.cse4 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse4))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse4))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse3)))))) (not (bvsle .cse2 (bvmul .cse0 .cse1))) (= c_~var_1_12~0 ((_ zero_extend 16) c_~var_1_6~0)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-02 13:14:42,051 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) c_~var_1_1~0)) (.cse0 ((_ zero_extend 24) c_~var_1_4~0)) (.cse1 ((_ zero_extend 24) c_~var_1_5~0))) (and (= c_~var_1_13~0 ((_ zero_extend 8) c_~var_1_1~0)) (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (= ((_ zero_extend 8) c_~var_1_5~0) c_~var_1_6~0) (= c_~var_1_19~0 (_ bv5 8)) (= ((_ extract 7 0) (bvadd .cse0 (bvneg .cse1))) c_~var_1_1~0) (not (bvult .cse2 c_~var_1_20~0)) (= c_~var_1_17~0 c_~var_1_18~0) (= c_~var_1_15~0 c_~var_1_20~0) (let ((.cse4 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse4))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse4))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse3)))))) (not (bvsle .cse2 (bvmul .cse0 .cse1))) (= c_~var_1_12~0 ((_ zero_extend 16) c_~var_1_6~0)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true