./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26889e4c825bc9df5f6bfdada4995dbeaf45a1d31e009b603ffadcd3ffbc80b6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:08:27,777 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:08:27,861 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:08:27,868 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:08:27,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:08:27,901 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:08:27,902 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:08:27,903 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:08:27,904 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:08:27,905 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:08:27,906 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:08:27,907 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:08:27,908 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:08:27,909 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:08:27,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:08:27,910 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:08:27,911 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:08:27,912 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:08:27,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:08:27,914 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:08:27,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:08:27,915 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:08:27,916 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:08:27,917 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:08:27,917 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:08:27,918 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:08:27,919 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:08:27,919 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:08:27,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:08:27,920 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:08:27,921 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:08:27,922 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:08:27,922 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:08:27,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:08:27,924 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:08:27,924 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:08:27,925 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:08:27,925 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:08:27,926 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:08:27,927 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26889e4c825bc9df5f6bfdada4995dbeaf45a1d31e009b603ffadcd3ffbc80b6 [2023-11-06 22:08:28,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:08:28,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:08:28,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:08:28,330 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:08:28,331 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:08:28,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i [2023-11-06 22:08:31,574 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:08:31,784 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:08:31,785 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i [2023-11-06 22:08:31,794 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/data/d8e89aec4/0b4c3f2f890c4c4687d7ab709e055e9a/FLAGd62af3a0d [2023-11-06 22:08:31,808 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/data/d8e89aec4/0b4c3f2f890c4c4687d7ab709e055e9a [2023-11-06 22:08:31,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:08:31,813 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:08:31,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:08:31,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:08:31,832 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:08:31,833 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:08:31" (1/1) ... [2023-11-06 22:08:31,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d6bc4b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:31, skipping insertion in model container [2023-11-06 22:08:31,835 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:08:31" (1/1) ... [2023-11-06 22:08:31,861 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:08:32,030 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_4f462394-c0bd-4851-a5c4-523c6176495b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i[916,929] [2023-11-06 22:08:32,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:08:32,112 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:08:32,130 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_4f462394-c0bd-4851-a5c4-523c6176495b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i[916,929] [2023-11-06 22:08:32,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:08:32,184 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:08:32,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:32 WrapperNode [2023-11-06 22:08:32,185 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:08:32,187 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:08:32,187 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:08:32,187 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:08:32,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:32" (1/1) ... [2023-11-06 22:08:32,212 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:32" (1/1) ... [2023-11-06 22:08:32,273 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 86 [2023-11-06 22:08:32,276 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:08:32,277 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:08:32,277 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:08:32,277 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:08:32,289 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:32" (1/1) ... [2023-11-06 22:08:32,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:32" (1/1) ... [2023-11-06 22:08:32,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:32" (1/1) ... [2023-11-06 22:08:32,299 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:32" (1/1) ... [2023-11-06 22:08:32,315 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:32" (1/1) ... [2023-11-06 22:08:32,320 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:32" (1/1) ... [2023-11-06 22:08:32,326 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:32" (1/1) ... [2023-11-06 22:08:32,338 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:32" (1/1) ... [2023-11-06 22:08:32,346 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:08:32,356 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:08:32,356 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:08:32,356 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:08:32,357 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:32" (1/1) ... [2023-11-06 22:08:32,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:08:32,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:08:32,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:08:32,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:08:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:08:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:08:32,447 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:08:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:08:32,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:08:32,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:08:32,545 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:08:32,547 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:08:32,920 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:08:32,927 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:08:32,927 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:08:32,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:08:32 BoogieIcfgContainer [2023-11-06 22:08:32,940 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:08:32,943 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:08:32,943 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:08:32,947 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:08:32,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:08:31" (1/3) ... [2023-11-06 22:08:32,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c670287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:08:32, skipping insertion in model container [2023-11-06 22:08:32,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:32" (2/3) ... [2023-11-06 22:08:32,949 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c670287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:08:32, skipping insertion in model container [2023-11-06 22:08:32,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:08:32" (3/3) ... [2023-11-06 22:08:32,950 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-26.i [2023-11-06 22:08:32,972 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:08:32,972 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:08:33,057 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:08:33,065 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@789e411b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:08:33,065 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:08:33,070 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 27 states have internal predecessors, (34), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-06 22:08:33,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-06 22:08:33,113 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:33,114 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:33,115 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:33,121 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:33,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1782570273, now seen corresponding path program 1 times [2023-11-06 22:08:33,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:33,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613253827] [2023-11-06 22:08:33,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:33,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:33,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:33,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613253827] [2023-11-06 22:08:33,319 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:08:33,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806959274] [2023-11-06 22:08:33,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:33,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:08:33,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:08:33,324 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:08:33,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:08:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:33,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:08:33,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:08:33,591 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2023-11-06 22:08:33,594 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:08:33,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806959274] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:33,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:33,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:08:33,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592489230] [2023-11-06 22:08:33,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:33,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:08:33,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:33,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:08:33,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:08:33,662 INFO L87 Difference]: Start difference. First operand has 40 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 27 states have internal predecessors, (34), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-06 22:08:33,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:33,696 INFO L93 Difference]: Finished difference Result 73 states and 117 transitions. [2023-11-06 22:08:33,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:08:33,699 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), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 74 [2023-11-06 22:08:33,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:33,706 INFO L225 Difference]: With dead ends: 73 [2023-11-06 22:08:33,706 INFO L226 Difference]: Without dead ends: 36 [2023-11-06 22:08:33,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:08:33,713 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:33,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:08:33,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-11-06 22:08:33,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2023-11-06 22:08:33,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-06 22:08:33,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 48 transitions. [2023-11-06 22:08:33,758 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 48 transitions. Word has length 74 [2023-11-06 22:08:33,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:33,759 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 48 transitions. [2023-11-06 22:08:33,759 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), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-06 22:08:33,759 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2023-11-06 22:08:33,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-06 22:08:33,763 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:33,764 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:33,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-06 22:08:33,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:08:33,972 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:33,973 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:33,973 INFO L85 PathProgramCache]: Analyzing trace with hash 335088931, now seen corresponding path program 1 times [2023-11-06 22:08:33,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:33,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862642681] [2023-11-06 22:08:33,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:33,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:34,037 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:08:34,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [90661919] [2023-11-06 22:08:34,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:34,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:08:34,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:08:34,072 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:08:34,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:08:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:08:34,419 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:08:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:08:34,533 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:08:34,534 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:08:34,535 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:08:34,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:08:34,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:08:34,747 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 22:08:34,750 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:08:34,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:08:34 BoogieIcfgContainer [2023-11-06 22:08:34,811 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:08:34,812 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:08:34,812 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:08:34,813 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:08:34,816 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:08:32" (3/4) ... [2023-11-06 22:08:34,822 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:08:34,823 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:08:34,824 INFO L158 Benchmark]: Toolchain (without parser) took 3011.21ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 92.0MB in the beginning and 104.9MB in the end (delta: -13.0MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2023-11-06 22:08:34,824 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 136.3MB. Free memory is still 108.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:08:34,825 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.86ms. Allocated memory is still 136.3MB. Free memory was 91.8MB in the beginning and 79.3MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:08:34,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.95ms. Allocated memory is still 136.3MB. Free memory was 79.3MB in the beginning and 75.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:08:34,826 INFO L158 Benchmark]: Boogie Preprocessor took 78.12ms. Allocated memory is still 136.3MB. Free memory was 75.2MB in the beginning and 73.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:08:34,827 INFO L158 Benchmark]: RCFGBuilder took 584.93ms. Allocated memory is still 136.3MB. Free memory was 73.1MB in the beginning and 55.7MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:08:34,827 INFO L158 Benchmark]: TraceAbstraction took 1868.77ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 55.2MB in the beginning and 104.9MB in the end (delta: -49.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:08:34,828 INFO L158 Benchmark]: Witness Printer took 10.97ms. Allocated memory is still 182.5MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:08:34,831 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 136.3MB. Free memory is still 108.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 371.86ms. Allocated memory is still 136.3MB. Free memory was 91.8MB in the beginning and 79.3MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.95ms. Allocated memory is still 136.3MB. Free memory was 79.3MB in the beginning and 75.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.12ms. Allocated memory is still 136.3MB. Free memory was 75.2MB in the beginning and 73.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 584.93ms. Allocated memory is still 136.3MB. Free memory was 73.1MB in the beginning and 55.7MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1868.77ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 55.2MB in the beginning and 104.9MB in the end (delta: -49.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 10.97ms. Allocated memory is still 182.5MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 73. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -1; [L23] signed short int var_1_4 = 1; [L24] signed long int var_1_12 = 1; [L25] signed long int var_1_13 = 199; [L26] signed long int var_1_14 = 2000000000; [L27] unsigned char var_1_15 = 64; [L28] unsigned char var_1_16 = 2; [L29] unsigned long int var_1_17 = 50; [L30] signed long int var_1_19 = -32; [L31] signed long int var_1_20 = 8; [L32] unsigned char last_1_var_1_15 = 64; VAL [isInitial=0, last_1_var_1_15=64, var_1_12=1, var_1_13=199, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=1] [L77] isInitial = 1 [L78] FCALL initially() [L79] COND TRUE 1 [L80] CALL updateLastVariables() [L70] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=199, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=1] [L80] RET updateLastVariables() [L81] CALL updateVariables() [L52] var_1_4 = __VERIFIER_nondet_short() [L53] CALL assume_abort_if_not(var_1_4 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=199, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=199, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L53] RET assume_abort_if_not(var_1_4 >= -32767) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=199, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L54] CALL assume_abort_if_not(var_1_4 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=199, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=199, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L54] RET assume_abort_if_not(var_1_4 <= 32766) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=199, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L55] var_1_13 = __VERIFIER_nondet_long() [L56] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=2147483647, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=2147483647, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L56] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=2147483647, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L57] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=2147483647, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=2147483647, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L57] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=2147483647, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L58] var_1_14 = __VERIFIER_nondet_long() [L59] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L59] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L60] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L60] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L61] var_1_16 = __VERIFIER_nondet_uchar() [L62] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L62] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L63] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L63] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L64] var_1_19 = __VERIFIER_nondet_long() [L65] CALL assume_abort_if_not(var_1_19 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=-1, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=-1, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L65] RET assume_abort_if_not(var_1_19 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=-1, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L66] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=-1, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=-1, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L66] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=-1, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L67] CALL assume_abort_if_not(var_1_19 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=-1, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=-1, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L67] RET assume_abort_if_not(var_1_19 != 0) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=-1, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L81] RET updateVariables() [L82] CALL step() [L36] var_1_12 = ((0.85f - var_1_13) + var_1_14) VAL [isInitial=1, last_1_var_1_15=64, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=-1, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L37] COND TRUE (- last_1_var_1_15) >= (var_1_4 / ((((-4) < 0 ) ? -(-4) : (-4)))) [L38] var_1_15 = var_1_16 VAL [isInitial=1, last_1_var_1_15=64, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=1, var_1_16=1, var_1_17=50, var_1_19=-1, var_1_1=-1, var_1_20=8, var_1_4=-1020] [L40] var_1_20 = var_1_13 VAL [isInitial=1, last_1_var_1_15=64, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=1, var_1_16=1, var_1_17=50, var_1_19=-1, var_1_1=-1, var_1_20=2147483647, var_1_4=-1020] [L41] COND FALSE !(var_1_20 > var_1_20) [L44] var_1_1 = (((((var_1_15 - ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) < ((var_1_15 + ((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15)))))) ? ((var_1_15 - ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) : ((var_1_15 + ((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15))))))) VAL [isInitial=1, last_1_var_1_15=64, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=1, var_1_16=1, var_1_17=50, var_1_19=-1, var_1_1=0, var_1_20=2147483647, var_1_4=-1020] [L46] signed long int stepLocal_0 = var_1_15 + (var_1_15 + var_1_1); VAL [isInitial=1, last_1_var_1_15=64, stepLocal_0=2, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=1, var_1_16=1, var_1_17=50, var_1_19=-1, var_1_1=0, var_1_20=2147483647, var_1_4=-1020] [L47] COND TRUE stepLocal_0 != (var_1_15 * (var_1_1 / var_1_19)) [L48] var_1_17 = (((((10u) < ((var_1_1 + var_1_15))) ? (10u) : ((var_1_1 + var_1_15)))) + var_1_15) VAL [isInitial=1, last_1_var_1_15=64, stepLocal_0=2, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=1, var_1_16=1, var_1_17=2, var_1_19=-1, var_1_1=0, var_1_20=2147483647, var_1_4=-1020] [L82] RET step() [L83] CALL, EXPR property() [L73-L74] return (((((var_1_20 > var_1_20) ? (var_1_1 == ((signed short int) ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) : (var_1_1 == ((signed short int) (((((var_1_15 - ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) < ((var_1_15 + ((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15)))))) ? ((var_1_15 - ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) : ((var_1_15 + ((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15)))))))))) && (var_1_12 == ((signed long int) ((0.85f - var_1_13) + var_1_14)))) && (((- last_1_var_1_15) >= (var_1_4 / ((((-4) < 0 ) ? -(-4) : (-4))))) ? (var_1_15 == ((unsigned char) var_1_16)) : 1)) && (((var_1_15 + (var_1_15 + var_1_1)) != (var_1_15 * (var_1_1 / var_1_19))) ? (var_1_17 == ((unsigned long int) (((((10u) < ((var_1_1 + var_1_15))) ? (10u) : ((var_1_1 + var_1_15)))) + var_1_15))) : 1)) && (var_1_20 == ((signed long int) var_1_13)) ; VAL [\result=0, isInitial=1, last_1_var_1_15=64, var_1_12=18, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=1, var_1_16=1, var_1_17=2, var_1_19=-1, var_1_1=0, var_1_20=2147483647, var_1_4=-1020] [L83] RET, EXPR property() [L83] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=64, var_1_12=18, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=1, var_1_16=1, var_1_17=2, var_1_19=-1, var_1_1=0, var_1_20=2147483647, var_1_4=-1020] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=64, var_1_12=18, var_1_13=2147483647, var_1_14=-2147483648, var_1_15=1, var_1_16=1, var_1_17=2, var_1_19=-1, var_1_1=0, var_1_20=2147483647, var_1_4=-1020] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 48 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 73 ConstructedInterpolants, 0 QuantifiedInterpolants, 73 SizeOfPredicates, 0 NumberOfNonLiveVariables, 190 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 220/220 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 [2023-11-06 22:08:34,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26889e4c825bc9df5f6bfdada4995dbeaf45a1d31e009b603ffadcd3ffbc80b6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:08:37,743 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:08:37,856 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:08:37,867 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:08:37,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:08:37,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:08:37,913 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:08:37,914 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:08:37,914 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:08:37,915 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:08:37,916 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:08:37,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:08:37,917 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:08:37,918 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:08:37,919 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:08:37,919 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:08:37,920 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:08:37,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:08:37,921 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:08:37,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:08:37,921 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:08:37,922 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:08:37,922 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:08:37,923 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:08:37,923 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:08:37,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:08:37,924 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:08:37,925 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:08:37,925 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:08:37,925 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:08:37,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:08:37,927 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:08:37,927 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:08:37,928 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:08:37,928 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:08:37,928 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:08:37,929 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:08:37,929 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:08:37,929 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:08:37,930 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:08:37,931 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:08:37,931 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:08:37,931 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26889e4c825bc9df5f6bfdada4995dbeaf45a1d31e009b603ffadcd3ffbc80b6 [2023-11-06 22:08:38,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:08:38,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:08:38,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:08:38,389 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:08:38,390 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:08:38,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i [2023-11-06 22:08:41,706 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:08:42,048 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:08:42,049 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i [2023-11-06 22:08:42,058 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/data/cc29c6ad0/cad50402fcb142b0926d2a6f7838bb68/FLAG6b3a54c22 [2023-11-06 22:08:42,070 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/data/cc29c6ad0/cad50402fcb142b0926d2a6f7838bb68 [2023-11-06 22:08:42,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:08:42,075 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:08:42,076 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:08:42,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:08:42,084 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:08:42,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:08:42" (1/1) ... [2023-11-06 22:08:42,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e6a71b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:42, skipping insertion in model container [2023-11-06 22:08:42,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:08:42" (1/1) ... [2023-11-06 22:08:42,116 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:08:42,274 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_4f462394-c0bd-4851-a5c4-523c6176495b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i[916,929] [2023-11-06 22:08:42,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:08:42,383 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:08:42,400 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_4f462394-c0bd-4851-a5c4-523c6176495b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i[916,929] [2023-11-06 22:08:42,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:08:42,455 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:08:42,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:42 WrapperNode [2023-11-06 22:08:42,456 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:08:42,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:08:42,457 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:08:42,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:08:42,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:42" (1/1) ... [2023-11-06 22:08:42,478 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:42" (1/1) ... [2023-11-06 22:08:42,574 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 82 [2023-11-06 22:08:42,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:08:42,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:08:42,576 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:08:42,576 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:08:42,586 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:42" (1/1) ... [2023-11-06 22:08:42,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:42" (1/1) ... [2023-11-06 22:08:42,596 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:42" (1/1) ... [2023-11-06 22:08:42,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:42" (1/1) ... [2023-11-06 22:08:42,606 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:42" (1/1) ... [2023-11-06 22:08:42,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:42" (1/1) ... [2023-11-06 22:08:42,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:42" (1/1) ... [2023-11-06 22:08:42,615 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:42" (1/1) ... [2023-11-06 22:08:42,618 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:08:42,619 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:08:42,620 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:08:42,620 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:08:42,621 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:42" (1/1) ... [2023-11-06 22:08:42,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:08:42,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:08:42,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:08:42,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:08:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:08:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:08:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:08:42,711 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:08:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:08:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:08:42,839 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:08:42,842 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:08:47,357 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:08:47,368 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:08:47,369 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:08:47,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:08:47 BoogieIcfgContainer [2023-11-06 22:08:47,372 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:08:47,375 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:08:47,378 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:08:47,382 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:08:47,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:08:42" (1/3) ... [2023-11-06 22:08:47,385 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d2a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:08:47, skipping insertion in model container [2023-11-06 22:08:47,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:42" (2/3) ... [2023-11-06 22:08:47,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d2a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:08:47, skipping insertion in model container [2023-11-06 22:08:47,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:08:47" (3/3) ... [2023-11-06 22:08:47,389 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-26.i [2023-11-06 22:08:47,410 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:08:47,411 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:08:47,487 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:08:47,496 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@2314629, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:08:47,497 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:08:47,504 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 27 states have internal predecessors, (34), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-06 22:08:47,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-06 22:08:47,521 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:47,523 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:47,528 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:47,537 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:47,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1782570273, now seen corresponding path program 1 times [2023-11-06 22:08:47,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:08:47,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2143820700] [2023-11-06 22:08:47,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:47,557 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 [2023-11-06 22:08:47,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:08:47,562 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:08:47,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:08:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:47,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:08:47,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:08:48,080 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2023-11-06 22:08:48,083 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:08:48,084 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:08:48,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2143820700] [2023-11-06 22:08:48,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2143820700] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:48,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:48,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:08:48,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228925551] [2023-11-06 22:08:48,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:48,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:08:48,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:08:48,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:08:48,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:08:48,154 INFO L87 Difference]: Start difference. First operand has 40 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 27 states have internal predecessors, (34), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) 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, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 22:08:48,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:48,201 INFO L93 Difference]: Finished difference Result 73 states and 117 transitions. [2023-11-06 22:08:48,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:08:48,204 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, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2023-11-06 22:08:48,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:48,213 INFO L225 Difference]: With dead ends: 73 [2023-11-06 22:08:48,213 INFO L226 Difference]: Without dead ends: 36 [2023-11-06 22:08:48,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:08:48,224 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:48,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:08:48,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-11-06 22:08:48,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2023-11-06 22:08:48,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-06 22:08:48,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 48 transitions. [2023-11-06 22:08:48,284 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 48 transitions. Word has length 74 [2023-11-06 22:08:48,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:48,285 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 48 transitions. [2023-11-06 22:08:48,285 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, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 22:08:48,286 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2023-11-06 22:08:48,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-06 22:08:48,292 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:48,293 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:48,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:08:48,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:08:48,512 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:48,512 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:48,513 INFO L85 PathProgramCache]: Analyzing trace with hash 335088931, now seen corresponding path program 1 times [2023-11-06 22:08:48,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:08:48,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1190501512] [2023-11-06 22:08:48,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:48,514 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 [2023-11-06 22:08:48,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:08:48,545 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:08:48,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:08:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:08:48,802 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:08:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:08:49,002 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2023-11-06 22:08:49,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [748024656] [2023-11-06 22:08:49,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:49,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:08:49,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:08:49,008 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:08:49,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-06 22:08:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:49,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-06 22:08:49,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:08:55,697 WARN L839 $PredicateComparison]: unable to prove that (= c_~var_1_12~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 17.0 20.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0)))) is different from false [2023-11-06 22:08:57,720 WARN L861 $PredicateComparison]: unable to prove that (= c_~var_1_12~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 17.0 20.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0)))) is different from true [2023-11-06 22:09:12,034 WARN L839 $PredicateComparison]: unable to prove that (and (bvsge (bvneg ((_ zero_extend 24) c_~last_1_var_1_15~0)) (bvsdiv ((_ sign_extend 16) c_~var_1_4~0) (_ bv4 32))) (= c_~var_1_16~0 c_~var_1_15~0) (= c_~var_1_12~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 17.0 20.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0))))) is different from false [2023-11-06 22:09:14,059 WARN L861 $PredicateComparison]: unable to prove that (and (bvsge (bvneg ((_ zero_extend 24) c_~last_1_var_1_15~0)) (bvsdiv ((_ sign_extend 16) c_~var_1_4~0) (_ bv4 32))) (= c_~var_1_16~0 c_~var_1_15~0) (= c_~var_1_12~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 17.0 20.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0))))) is different from true [2023-11-06 22:09:32,514 WARN L839 $PredicateComparison]: unable to prove that (and (bvsge (bvneg ((_ zero_extend 24) c_~last_1_var_1_15~0)) (bvsdiv ((_ sign_extend 16) c_~var_1_4~0) (_ bv4 32))) (= c_~var_1_16~0 c_~var_1_15~0) (= c_~var_1_13~0 c_~var_1_20~0) (= c_~var_1_12~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 17.0 20.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0))))) is different from false [2023-11-06 22:09:34,541 WARN L861 $PredicateComparison]: unable to prove that (and (bvsge (bvneg ((_ zero_extend 24) c_~last_1_var_1_15~0)) (bvsdiv ((_ sign_extend 16) c_~var_1_4~0) (_ bv4 32))) (= c_~var_1_16~0 c_~var_1_15~0) (= c_~var_1_13~0 c_~var_1_20~0) (= c_~var_1_12~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 17.0 20.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0))))) is different from true [2023-11-06 22:09:59,710 WARN L839 $PredicateComparison]: unable to prove that (and (bvsge (bvneg ((_ zero_extend 24) c_~last_1_var_1_15~0)) (bvsdiv ((_ sign_extend 16) c_~var_1_4~0) (_ bv4 32))) (= c_~var_1_16~0 c_~var_1_15~0) (= c_~var_1_13~0 c_~var_1_20~0) (= c_~var_1_1~0 ((_ extract 15 0) (let ((.cse0 ((_ zero_extend 24) c_~var_1_15~0))) (bvadd (bvneg .cse0) .cse0)))) (= c_~var_1_12~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 17.0 20.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0))))) is different from false [2023-11-06 22:10:01,738 WARN L861 $PredicateComparison]: unable to prove that (and (bvsge (bvneg ((_ zero_extend 24) c_~last_1_var_1_15~0)) (bvsdiv ((_ sign_extend 16) c_~var_1_4~0) (_ bv4 32))) (= c_~var_1_16~0 c_~var_1_15~0) (= c_~var_1_13~0 c_~var_1_20~0) (= c_~var_1_1~0 ((_ extract 15 0) (let ((.cse0 ((_ zero_extend 24) c_~var_1_15~0))) (bvadd (bvneg .cse0) .cse0)))) (= c_~var_1_12~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 17.0 20.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0))))) is different from true [2023-11-06 22:10:28,486 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_15~0))) (and (bvsge (bvneg ((_ zero_extend 24) c_~last_1_var_1_15~0)) (bvsdiv ((_ sign_extend 16) c_~var_1_4~0) (_ bv4 32))) (= c_~var_1_16~0 c_~var_1_15~0) (= c_~var_1_13~0 c_~var_1_20~0) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd (bvneg .cse0) .cse0))) (= (bvadd ((_ sign_extend 16) c_~var_1_1~0) (bvmul (_ bv2 32) .cse0)) |c_ULTIMATE.start_step_~stepLocal_0~0#1|) (= c_~var_1_12~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 17.0 20.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0)))))) is different from false [2023-11-06 22:10:30,516 WARN L861 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_15~0))) (and (bvsge (bvneg ((_ zero_extend 24) c_~last_1_var_1_15~0)) (bvsdiv ((_ sign_extend 16) c_~var_1_4~0) (_ bv4 32))) (= c_~var_1_16~0 c_~var_1_15~0) (= c_~var_1_13~0 c_~var_1_20~0) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd (bvneg .cse0) .cse0))) (= (bvadd ((_ sign_extend 16) c_~var_1_1~0) (bvmul (_ bv2 32) .cse0)) |c_ULTIMATE.start_step_~stepLocal_0~0#1|) (= c_~var_1_12~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 17.0 20.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0)))))) is different from true [2023-11-06 22:11:14,073 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ sign_extend 16) c_~var_1_1~0)) (.cse2 ((_ zero_extend 24) c_~var_1_15~0))) (let ((.cse1 (bvadd .cse3 (bvmul (_ bv2 32) .cse2)))) (and (bvsge (bvneg ((_ zero_extend 24) c_~last_1_var_1_15~0)) (bvsdiv ((_ sign_extend 16) c_~var_1_4~0) (_ bv4 32))) (= c_~var_1_16~0 c_~var_1_15~0) (= c_~var_1_13~0 c_~var_1_20~0) (let ((.cse0 (bvult (_ bv10 32) (bvadd .cse3 .cse2)))) (or (and (not .cse0) (= .cse1 c_~var_1_17~0)) (and .cse0 (= (bvadd (_ bv10 32) .cse2) c_~var_1_17~0)))) (not (= .cse1 (bvmul (bvsdiv .cse3 c_~var_1_19~0) .cse2))) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd (bvneg .cse2) .cse2))) (= c_~var_1_12~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 17.0 20.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0))))))) is different from false [2023-11-06 22:11:16,109 WARN L861 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ sign_extend 16) c_~var_1_1~0)) (.cse2 ((_ zero_extend 24) c_~var_1_15~0))) (let ((.cse1 (bvadd .cse3 (bvmul (_ bv2 32) .cse2)))) (and (bvsge (bvneg ((_ zero_extend 24) c_~last_1_var_1_15~0)) (bvsdiv ((_ sign_extend 16) c_~var_1_4~0) (_ bv4 32))) (= c_~var_1_16~0 c_~var_1_15~0) (= c_~var_1_13~0 c_~var_1_20~0) (let ((.cse0 (bvult (_ bv10 32) (bvadd .cse3 .cse2)))) (or (and (not .cse0) (= .cse1 c_~var_1_17~0)) (and .cse0 (= (bvadd (_ bv10 32) .cse2) c_~var_1_17~0)))) (not (= .cse1 (bvmul (bvsdiv .cse3 c_~var_1_19~0) .cse2))) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd (bvneg .cse2) .cse2))) (= c_~var_1_12~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 17.0 20.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0))))))) is different from true [2023-11-06 22:11:29,684 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-06 22:11:29,684 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:11:29,684 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:11:29,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1190501512] [2023-11-06 22:11:29,685 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:11:29,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [748024656] [2023-11-06 22:11:29,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [748024656] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:11:29,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:11:29,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:11:29,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5911250] [2023-11-06 22:11:29,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:11:29,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:11:29,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:11:29,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:11:29,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=7, Unknown=12, NotChecked=54, Total=90 [2023-11-06 22:11:29,692 INFO L87 Difference]: Start difference. First operand 36 states and 48 transitions. Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 22:11:31,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:11:33,969 WARN L839 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_property_#res#1| (_ bv1 32)) (= c_~var_1_12~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 17.0 20.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0))))) is different from false [2023-11-06 22:11:35,993 WARN L861 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_property_#res#1| (_ bv1 32)) (= c_~var_1_12~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 17.0 20.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0))))) is different from true [2023-11-06 22:11:35,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:11:35,994 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2023-11-06 22:11:35,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:11:35,995 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2023-11-06 22:11:35,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:11:35,997 INFO L225 Difference]: With dead ends: 65 [2023-11-06 22:11:35,998 INFO L226 Difference]: Without dead ends: 63 [2023-11-06 22:11:35,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.5s TimeCoverageRelationStatistics Valid=23, Invalid=11, Unknown=14, NotChecked=84, Total=132 [2023-11-06 22:11:36,000 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 11 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 549 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:11:36,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 199 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 1 Unknown, 549 Unchecked, 2.2s Time] [2023-11-06 22:11:36,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-06 22:11:36,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 43. [2023-11-06 22:11:36,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 30 states have internal predecessors, (34), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-06 22:11:36,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 56 transitions. [2023-11-06 22:11:36,014 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 56 transitions. Word has length 74 [2023-11-06 22:11:36,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:11:36,015 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 56 transitions. [2023-11-06 22:11:36,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 22:11:36,016 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2023-11-06 22:11:36,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-06 22:11:36,017 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:11:36,018 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:11:36,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/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)] Forceful destruction successful, exit code 0 [2023-11-06 22:11:36,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-06 22:11:36,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt [2023-11-06 22:11:36,437 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:11:36,437 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:11:36,438 INFO L85 PathProgramCache]: Analyzing trace with hash 336935973, now seen corresponding path program 1 times [2023-11-06 22:11:36,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:11:36,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2026088011] [2023-11-06 22:11:36,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:36,438 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 [2023-11-06 22:11:36,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:11:36,440 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:11:36,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:11:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:11:36,672 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:11:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:11:36,843 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2023-11-06 22:11:36,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1015764057] [2023-11-06 22:11:36,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:36,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:11:36,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:11:36,848 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:11:36,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f462394-c0bd-4851-a5c4-523c6176495b/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-06 22:11:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:37,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:11:37,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:11:43,482 WARN L839 $PredicateComparison]: unable to prove that (= c_~var_1_12~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 17.0 20.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0)))) is different from false [2023-11-06 22:11:45,504 WARN L861 $PredicateComparison]: unable to prove that (= c_~var_1_12~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 17.0 20.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0)))) is different from true [2023-11-06 22:11:59,812 WARN L839 $PredicateComparison]: unable to prove that (and (bvsge (bvneg ((_ zero_extend 24) c_~last_1_var_1_15~0)) (bvsdiv ((_ sign_extend 16) c_~var_1_4~0) (_ bv4 32))) (= c_~var_1_16~0 c_~var_1_15~0) (= c_~var_1_12~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 17.0 20.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0))))) is different from false [2023-11-06 22:12:01,839 WARN L861 $PredicateComparison]: unable to prove that (and (bvsge (bvneg ((_ zero_extend 24) c_~last_1_var_1_15~0)) (bvsdiv ((_ sign_extend 16) c_~var_1_4~0) (_ bv4 32))) (= c_~var_1_16~0 c_~var_1_15~0) (= c_~var_1_12~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 17.0 20.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0))))) is different from true [2023-11-06 22:12:20,064 WARN L839 $PredicateComparison]: unable to prove that (and (bvsge (bvneg ((_ zero_extend 24) c_~last_1_var_1_15~0)) (bvsdiv ((_ sign_extend 16) c_~var_1_4~0) (_ bv4 32))) (= c_~var_1_16~0 c_~var_1_15~0) (= c_~var_1_13~0 c_~var_1_20~0) (= c_~var_1_12~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 17.0 20.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0))))) is different from false [2023-11-06 22:12:22,090 WARN L861 $PredicateComparison]: unable to prove that (and (bvsge (bvneg ((_ zero_extend 24) c_~last_1_var_1_15~0)) (bvsdiv ((_ sign_extend 16) c_~var_1_4~0) (_ bv4 32))) (= c_~var_1_16~0 c_~var_1_15~0) (= c_~var_1_13~0 c_~var_1_20~0) (= c_~var_1_12~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 17.0 20.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0))))) is different from true [2023-11-06 22:12:46,046 WARN L839 $PredicateComparison]: unable to prove that (and (bvsge (bvneg ((_ zero_extend 24) c_~last_1_var_1_15~0)) (bvsdiv ((_ sign_extend 16) c_~var_1_4~0) (_ bv4 32))) (= c_~var_1_16~0 c_~var_1_15~0) (= c_~var_1_13~0 c_~var_1_20~0) (= c_~var_1_1~0 ((_ extract 15 0) (let ((.cse0 ((_ zero_extend 24) c_~var_1_15~0))) (bvadd (bvneg .cse0) .cse0)))) (= c_~var_1_12~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 17.0 20.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0))))) is different from false [2023-11-06 22:12:48,073 WARN L861 $PredicateComparison]: unable to prove that (and (bvsge (bvneg ((_ zero_extend 24) c_~last_1_var_1_15~0)) (bvsdiv ((_ sign_extend 16) c_~var_1_4~0) (_ bv4 32))) (= c_~var_1_16~0 c_~var_1_15~0) (= c_~var_1_13~0 c_~var_1_20~0) (= c_~var_1_1~0 ((_ extract 15 0) (let ((.cse0 ((_ zero_extend 24) c_~var_1_15~0))) (bvadd (bvneg .cse0) .cse0)))) (= c_~var_1_12~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 17.0 20.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0))))) is different from true