./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 04228aca453f32987dc7c53bca4e08cb18c9aabfe1bbd326fa4a64f045b32803 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:36:45,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:36:45,833 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:36:45,839 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:36:45,839 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:36:45,869 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:36:45,870 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:36:45,871 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:36:45,872 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:36:45,873 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:36:45,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:36:45,874 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:36:45,875 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:36:45,876 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:36:45,876 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:36:45,877 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:36:45,877 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:36:45,878 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:36:45,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:36:45,879 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:36:45,880 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:36:45,880 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:36:45,881 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:36:45,882 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:36:45,882 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:36:45,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:36:45,883 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:36:45,884 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:36:45,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:36:45,885 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:36:45,885 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:36:45,886 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:36:45,886 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:36:45,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:36:45,887 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:36:45,887 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:36:45,888 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:36:45,888 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:36:45,889 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:36:45,889 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_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04228aca453f32987dc7c53bca4e08cb18c9aabfe1bbd326fa4a64f045b32803 [2023-11-19 07:36:46,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:36:46,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:36:46,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:36:46,167 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:36:46,167 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:36:46,169 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-20.i [2023-11-19 07:36:49,483 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:36:49,691 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:36:49,692 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-20.i [2023-11-19 07:36:49,702 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/data/75c725ef6/7721c2def0c449d188879b664ec5f9fe/FLAG779612529 [2023-11-19 07:36:49,716 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/data/75c725ef6/7721c2def0c449d188879b664ec5f9fe [2023-11-19 07:36:49,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:36:49,721 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:36:49,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:36:49,723 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:36:49,728 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:36:49,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:49" (1/1) ... [2023-11-19 07:36:49,731 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d2cb973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:49, skipping insertion in model container [2023-11-19 07:36:49,731 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:49" (1/1) ... [2023-11-19 07:36:49,760 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:36:49,919 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_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-20.i[916,929] [2023-11-19 07:36:49,965 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:36:49,991 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:36:50,013 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_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-20.i[916,929] [2023-11-19 07:36:50,060 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:36:50,094 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:36:50,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:50 WrapperNode [2023-11-19 07:36:50,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:36:50,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:36:50,097 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:36:50,098 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:36:50,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:50" (1/1) ... [2023-11-19 07:36:50,130 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:50" (1/1) ... [2023-11-19 07:36:50,174 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 131 [2023-11-19 07:36:50,175 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:36:50,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:36:50,175 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:36:50,176 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:36:50,188 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:50" (1/1) ... [2023-11-19 07:36:50,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:50" (1/1) ... [2023-11-19 07:36:50,202 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:50" (1/1) ... [2023-11-19 07:36:50,203 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:50" (1/1) ... [2023-11-19 07:36:50,212 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:50" (1/1) ... [2023-11-19 07:36:50,215 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:50" (1/1) ... [2023-11-19 07:36:50,229 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:50" (1/1) ... [2023-11-19 07:36:50,230 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:50" (1/1) ... [2023-11-19 07:36:50,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:36:50,234 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:36:50,235 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:36:50,235 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:36:50,236 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:50" (1/1) ... [2023-11-19 07:36:50,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:36:50,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:50,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:50,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:36:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:36:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:36:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:36:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:36:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:36:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:36:50,412 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:36:50,415 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:36:50,834 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:36:50,844 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:36:50,844 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:36:50,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:50 BoogieIcfgContainer [2023-11-19 07:36:50,849 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:36:50,852 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:36:50,852 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:36:50,856 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:36:50,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:36:49" (1/3) ... [2023-11-19 07:36:50,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e1b1cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:50, skipping insertion in model container [2023-11-19 07:36:50,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:50" (2/3) ... [2023-11-19 07:36:50,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e1b1cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:50, skipping insertion in model container [2023-11-19 07:36:50,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:50" (3/3) ... [2023-11-19 07:36:50,860 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-20.i [2023-11-19 07:36:50,882 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:36:50,882 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:36:50,958 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:36:50,966 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@9cb719b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:36:50,966 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:36:50,971 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 07:36:50,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-19 07:36:50,987 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:36:50,988 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:36:50,989 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:36:50,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:50,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1106886808, now seen corresponding path program 1 times [2023-11-19 07:36:51,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:51,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171418208] [2023-11-19 07:36:51,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:51,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:51,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 07:36:51,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:51,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:36:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:51,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:36:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:51,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:36:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:51,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 07:36:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:51,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:36:51,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:51,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:36:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:51,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 07:36:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:51,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 07:36:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:51,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:36:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:51,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 07:36:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:51,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-19 07:36:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:51,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 07:36:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:51,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-19 07:36:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:51,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:36:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:51,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-19 07:36:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:51,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-19 07:36:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:51,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 07:36:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:51,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-19 07:36:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:51,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-19 07:36:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:51,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-19 07:36:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:51,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-19 07:36:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:51,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-19 07:36:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:51,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-19 07:36:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:51,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 07:36:51,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:36:51,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171418208] [2023-11-19 07:36:51,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171418208] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:36:51,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:36:51,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:36:51,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578613468] [2023-11-19 07:36:51,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:36:51,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:36:51,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:36:51,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:36:51,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:36:51,785 INFO L87 Difference]: Start difference. First operand has 62 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-19 07:36:51,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:36:51,843 INFO L93 Difference]: Finished difference Result 117 states and 204 transitions. [2023-11-19 07:36:51,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:36:51,846 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 146 [2023-11-19 07:36:51,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:36:51,858 INFO L225 Difference]: With dead ends: 117 [2023-11-19 07:36:51,859 INFO L226 Difference]: Without dead ends: 58 [2023-11-19 07:36:51,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:36:51,869 INFO L413 NwaCegarLoop]: 86 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, 86 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 [2023-11-19 07:36:51,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:36:51,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-19 07:36:51,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-19 07:36:51,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 32 states have (on average 1.1875) internal successors, (38), 32 states have internal predecessors, (38), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 07:36:51,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 86 transitions. [2023-11-19 07:36:51,943 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 86 transitions. Word has length 146 [2023-11-19 07:36:51,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:36:51,944 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 86 transitions. [2023-11-19 07:36:51,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-19 07:36:51,945 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2023-11-19 07:36:51,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-19 07:36:51,949 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:36:51,950 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:36:51,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:36:51,950 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:36:51,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:51,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1979707240, now seen corresponding path program 1 times [2023-11-19 07:36:51,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:51,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083024775] [2023-11-19 07:36:51,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:51,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:52,165 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:36:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:52,462 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:36:52,463 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:36:52,465 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:36:52,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:36:52,471 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 07:36:52,476 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:36:52,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:36:52 BoogieIcfgContainer [2023-11-19 07:36:52,596 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:36:52,597 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:36:52,597 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:36:52,597 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:36:52,598 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:50" (3/4) ... [2023-11-19 07:36:52,600 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:36:52,601 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:36:52,602 INFO L158 Benchmark]: Toolchain (without parser) took 2881.15ms. Allocated memory was 151.0MB in the beginning and 209.7MB in the end (delta: 58.7MB). Free memory was 104.4MB in the beginning and 172.3MB in the end (delta: -67.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:36:52,603 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 151.0MB. Free memory was 97.7MB in the beginning and 97.6MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:36:52,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.92ms. Allocated memory is still 151.0MB. Free memory was 104.0MB in the beginning and 91.4MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:36:52,604 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.59ms. Allocated memory is still 151.0MB. Free memory was 91.4MB in the beginning and 89.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:36:52,604 INFO L158 Benchmark]: Boogie Preprocessor took 58.36ms. Allocated memory is still 151.0MB. Free memory was 89.2MB in the beginning and 87.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:36:52,605 INFO L158 Benchmark]: RCFGBuilder took 614.61ms. Allocated memory was 151.0MB in the beginning and 209.7MB in the end (delta: 58.7MB). Free memory was 87.6MB in the beginning and 175.5MB in the end (delta: -87.9MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2023-11-19 07:36:52,606 INFO L158 Benchmark]: TraceAbstraction took 1744.73ms. Allocated memory is still 209.7MB. Free memory was 174.9MB in the beginning and 172.3MB in the end (delta: 2.6MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. [2023-11-19 07:36:52,606 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 209.7MB. Free memory is still 172.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:36:52,609 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 151.0MB. Free memory was 97.7MB in the beginning and 97.6MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.92ms. Allocated memory is still 151.0MB. Free memory was 104.0MB in the beginning and 91.4MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.59ms. Allocated memory is still 151.0MB. Free memory was 91.4MB in the beginning and 89.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.36ms. Allocated memory is still 151.0MB. Free memory was 89.2MB in the beginning and 87.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 614.61ms. Allocated memory was 151.0MB in the beginning and 209.7MB in the end (delta: 58.7MB). Free memory was 87.6MB in the beginning and 175.5MB in the end (delta: -87.9MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1744.73ms. Allocated memory is still 209.7MB. Free memory was 174.9MB in the beginning and 172.3MB in the end (delta: 2.6MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 209.7MB. Free memory is still 172.3MB. 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 108. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 0; [L23] unsigned char var_1_2 = 0; [L24] signed long int var_1_3 = 0; [L25] signed long int var_1_4 = 2; [L26] signed long int var_1_5 = 8; [L27] signed long int var_1_6 = 999999999; [L28] signed long int var_1_7 = 10; [L29] signed long int var_1_8 = 4; [L30] unsigned long int var_1_9 = 256; [L31] unsigned char var_1_10 = 0; [L32] unsigned long int var_1_11 = 3724367395; [L33] unsigned long int var_1_12 = 25; [L34] unsigned long int var_1_13 = 1; [L35] unsigned char var_1_14 = 1; [L36] unsigned char var_1_15 = 128; [L37] unsigned char var_1_16 = 100; VAL [isInitial=0, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=2, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L112] isInitial = 1 [L113] FCALL initially() [L114] COND TRUE 1 [L115] FCALL updateLastVariables() [L116] CALL updateVariables() [L68] var_1_2 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L69] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L70] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=0, var_1_4=2, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=0, var_1_4=2, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L70] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=0, var_1_4=2, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L71] var_1_3 = __VERIFIER_nondet_long() [L72] CALL assume_abort_if_not(var_1_3 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L72] RET assume_abort_if_not(var_1_3 >= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L73] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L73] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L74] var_1_4 = __VERIFIER_nondet_long() [L75] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L75] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L76] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L76] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L77] var_1_5 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L78] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L79] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L79] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L80] var_1_6 = __VERIFIER_nondet_long() [L81] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=4, var_1_9=256] [L81] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=4, var_1_9=256] [L82] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=4, var_1_9=256] [L82] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=4, var_1_9=256] [L83] var_1_8 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L84] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L85] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L85] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L86] var_1_10 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L87] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L88] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L88] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L89] var_1_11 = __VERIFIER_nondet_ulong() [L90] CALL assume_abort_if_not(var_1_11 >= 3221225470) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L90] RET assume_abort_if_not(var_1_11 >= 3221225470) VAL [isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L91] CALL assume_abort_if_not(var_1_11 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L91] RET assume_abort_if_not(var_1_11 <= 4294967294) VAL [isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L92] var_1_12 = __VERIFIER_nondet_ulong() [L93] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L93] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L94] CALL assume_abort_if_not(var_1_12 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L94] RET assume_abort_if_not(var_1_12 <= 1073741823) VAL [isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L95] var_1_13 = __VERIFIER_nondet_ulong() [L96] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1073741822, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1073741822, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L96] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1073741822, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L97] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1073741822, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1073741822, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L97] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1073741822, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L98] var_1_15 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_15 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1073741822, var_1_14=1, var_1_15=127, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1073741822, var_1_14=1, var_1_15=127, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L99] RET assume_abort_if_not(var_1_15 >= 127) VAL [isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1073741822, var_1_14=1, var_1_15=127, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L100] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1073741822, var_1_14=1, var_1_15=127, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1073741822, var_1_14=1, var_1_15=127, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L100] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1073741822, var_1_14=1, var_1_15=127, var_1_16=100, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L101] var_1_16 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1073741822, var_1_14=1, var_1_15=127, var_1_16=127, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1073741822, var_1_14=1, var_1_15=127, var_1_16=127, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L102] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1073741822, var_1_14=1, var_1_15=127, var_1_16=127, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L103] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1073741822, var_1_14=1, var_1_15=127, var_1_16=127, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1073741822, var_1_14=1, var_1_15=127, var_1_16=127, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L103] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1073741822, var_1_14=1, var_1_15=127, var_1_16=127, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L116] RET updateVariables() [L117] CALL step() [L41] COND TRUE \read(var_1_2) [L42] var_1_1 = ((var_1_3 - var_1_4) - var_1_5) VAL [isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1073741822, var_1_14=1, var_1_15=127, var_1_16=127, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=10, var_1_8=1, var_1_9=256] [L46] var_1_7 = ((15.5 + var_1_4) - (var_1_3 - var_1_8)) [L47] unsigned long int stepLocal_2 = var_1_13; [L48] signed long int stepLocal_1 = 5; VAL [isInitial=1, stepLocal_1=5, stepLocal_2=1073741822, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1073741822, var_1_14=1, var_1_15=127, var_1_16=127, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_8=1, var_1_9=256] [L49] COND FALSE !(stepLocal_1 >= var_1_11) VAL [isInitial=1, stepLocal_1=5, stepLocal_2=1073741822, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1073741822, var_1_14=1, var_1_15=127, var_1_16=127, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_8=1, var_1_9=256] [L60] unsigned char stepLocal_0 = var_1_2; VAL [isInitial=1, stepLocal_0=1, stepLocal_1=5, stepLocal_2=1073741822, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1073741822, var_1_14=1, var_1_15=127, var_1_16=127, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_8=1, var_1_9=256] [L61] COND TRUE var_1_10 || stepLocal_0 [L62] var_1_9 = ((var_1_11 - var_1_14) - var_1_14) VAL [isInitial=1, stepLocal_0=1, stepLocal_1=5, stepLocal_2=1073741822, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1073741822, var_1_14=1, var_1_15=127, var_1_16=127, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_8=1, var_1_9=4294967292] [L117] RET step() [L118] CALL, EXPR property() [L108-L109] return (((var_1_2 ? (var_1_1 == ((signed long int) ((var_1_3 - var_1_4) - var_1_5))) : (var_1_1 == ((signed long int) (var_1_4 + var_1_6)))) && (var_1_7 == ((signed long int) ((15.5 + var_1_4) - (var_1_3 - var_1_8))))) && ((var_1_10 || var_1_2) ? (var_1_9 == ((unsigned long int) ((var_1_11 - var_1_14) - var_1_14))) : (var_1_9 == ((unsigned long int) (var_1_14 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))))) && ((5 >= var_1_11) ? ((var_1_1 >= var_1_8) ? (var_1_14 == ((unsigned char) (128 - 16))) : ((var_1_13 >= ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) ? (var_1_14 == ((unsigned char) (var_1_15 - var_1_16))) : (var_1_14 == ((unsigned char) var_1_16)))) : 1) ; VAL [\result=0, isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1073741822, var_1_14=1, var_1_15=127, var_1_16=127, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=4294967296, var_1_8=1, var_1_9=4294967292] [L118] RET, EXPR property() [L118] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1073741822, var_1_14=1, var_1_15=127, var_1_16=127, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=4294967296, var_1_8=1, var_1_9=4294967292] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=4294967294, var_1_12=1073741823, var_1_13=1073741822, var_1_14=1, var_1_15=127, var_1_16=127, var_1_1=0, var_1_2=1, var_1_3=2147483647, var_1_4=2147483647, var_1_5=0, var_1_6=0, var_1_7=4294967296, var_1_8=1, var_1_9=4294967292] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, 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, 86 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, 86 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 145 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 1104/1104 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 [2023-11-19 07:36:52,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 04228aca453f32987dc7c53bca4e08cb18c9aabfe1bbd326fa4a64f045b32803 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:36:55,475 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:36:55,613 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:36:55,623 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:36:55,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:36:55,675 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:36:55,676 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:36:55,677 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:36:55,678 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:36:55,680 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:36:55,684 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:36:55,685 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:36:55,686 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:36:55,688 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:36:55,689 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:36:55,689 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:36:55,690 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:36:55,690 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:36:55,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:36:55,692 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:36:55,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:36:55,693 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:36:55,693 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:36:55,694 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:36:55,694 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:36:55,695 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:36:55,695 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:36:55,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:36:55,696 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:36:55,697 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:36:55,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:36:55,699 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:36:55,699 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:36:55,700 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:36:55,700 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:36:55,701 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:36:55,701 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:36:55,701 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:36:55,701 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:36:55,702 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:36:55,703 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:36:55,703 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:36:55,703 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_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04228aca453f32987dc7c53bca4e08cb18c9aabfe1bbd326fa4a64f045b32803 [2023-11-19 07:36:56,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:36:56,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:36:56,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:36:56,195 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:36:56,196 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:36:56,197 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-20.i [2023-11-19 07:36:59,482 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:36:59,794 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:36:59,796 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-20.i [2023-11-19 07:36:59,808 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/data/0526f76b4/16bff94a29054c6fb37da4ba23b409c6/FLAGa67d088be [2023-11-19 07:36:59,831 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/data/0526f76b4/16bff94a29054c6fb37da4ba23b409c6 [2023-11-19 07:36:59,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:36:59,842 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:36:59,844 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:36:59,845 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:36:59,850 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:36:59,851 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:59" (1/1) ... [2023-11-19 07:36:59,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a163176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:59, skipping insertion in model container [2023-11-19 07:36:59,852 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:59" (1/1) ... [2023-11-19 07:36:59,897 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:37:00,098 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_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-20.i[916,929] [2023-11-19 07:37:00,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:37:00,203 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:37:00,224 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_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-20.i[916,929] [2023-11-19 07:37:00,267 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:37:00,289 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:37:00,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:00 WrapperNode [2023-11-19 07:37:00,290 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:37:00,291 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:37:00,291 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:37:00,292 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:37:00,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:00" (1/1) ... [2023-11-19 07:37:00,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:00" (1/1) ... [2023-11-19 07:37:00,369 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 126 [2023-11-19 07:37:00,370 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:37:00,371 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:37:00,372 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:37:00,372 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:37:00,382 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:00" (1/1) ... [2023-11-19 07:37:00,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:00" (1/1) ... [2023-11-19 07:37:00,393 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:00" (1/1) ... [2023-11-19 07:37:00,393 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:00" (1/1) ... [2023-11-19 07:37:00,403 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:00" (1/1) ... [2023-11-19 07:37:00,416 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:00" (1/1) ... [2023-11-19 07:37:00,419 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:00" (1/1) ... [2023-11-19 07:37:00,421 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:00" (1/1) ... [2023-11-19 07:37:00,425 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:37:00,426 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:37:00,426 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:37:00,426 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:37:00,427 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:00" (1/1) ... [2023-11-19 07:37:00,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:37:00,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:37:00,463 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:37:00,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:37:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:37:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:37:00,506 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:37:00,506 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:37:00,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:37:00,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:37:00,604 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:37:00,606 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:37:05,091 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:37:05,110 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:37:05,112 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:37:05,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:05 BoogieIcfgContainer [2023-11-19 07:37:05,124 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:37:05,127 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:37:05,127 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:37:05,131 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:37:05,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:36:59" (1/3) ... [2023-11-19 07:37:05,132 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@566c2eaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:37:05, skipping insertion in model container [2023-11-19 07:37:05,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:00" (2/3) ... [2023-11-19 07:37:05,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@566c2eaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:37:05, skipping insertion in model container [2023-11-19 07:37:05,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:05" (3/3) ... [2023-11-19 07:37:05,134 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-20.i [2023-11-19 07:37:05,154 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:37:05,155 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:37:05,208 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:37:05,216 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@31580d30, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:37:05,216 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:37:05,221 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 07:37:05,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-19 07:37:05,238 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:37:05,239 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:37:05,240 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:37:05,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:37:05,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1106886808, now seen corresponding path program 1 times [2023-11-19 07:37:05,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:37:05,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [746234581] [2023-11-19 07:37:05,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:37:05,262 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 [2023-11-19 07:37:05,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:37:05,268 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:37:05,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:37:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:05,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:37:05,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:37:05,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2023-11-19 07:37:05,846 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:37:05,847 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:37:05,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [746234581] [2023-11-19 07:37:05,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [746234581] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:37:05,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:37:05,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:37:05,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127827959] [2023-11-19 07:37:05,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:37:05,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:37:05,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:37:05,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:37:05,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:37:05,906 INFO L87 Difference]: Start difference. First operand has 62 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-19 07:37:05,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:37:05,963 INFO L93 Difference]: Finished difference Result 117 states and 204 transitions. [2023-11-19 07:37:05,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:37:05,966 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 146 [2023-11-19 07:37:05,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:37:05,977 INFO L225 Difference]: With dead ends: 117 [2023-11-19 07:37:05,977 INFO L226 Difference]: Without dead ends: 58 [2023-11-19 07:37:05,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:37:05,986 INFO L413 NwaCegarLoop]: 86 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, 86 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 [2023-11-19 07:37:06,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:37:06,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-19 07:37:06,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-19 07:37:06,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 32 states have (on average 1.1875) internal successors, (38), 32 states have internal predecessors, (38), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 07:37:06,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 86 transitions. [2023-11-19 07:37:06,076 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 86 transitions. Word has length 146 [2023-11-19 07:37:06,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:37:06,077 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 86 transitions. [2023-11-19 07:37:06,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-19 07:37:06,078 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2023-11-19 07:37:06,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-19 07:37:06,092 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:37:06,092 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:37:06,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:37:06,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:37:06,301 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:37:06,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:37:06,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1979707240, now seen corresponding path program 1 times [2023-11-19 07:37:06,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:37:06,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2041644963] [2023-11-19 07:37:06,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:37:06,304 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 [2023-11-19 07:37:06,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:37:06,305 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:37:06,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:37:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:37:06,649 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:37:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:37:06,908 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2023-11-19 07:37:06,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1590072144] [2023-11-19 07:37:06,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:37:06,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 07:37:06,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/cvc4 [2023-11-19 07:37:06,946 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 07:37:06,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adfca3a-b76d-4c33-a02a-43e8c5dc185f/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 07:37:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:07,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 07:37:07,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:37:25,989 WARN L854 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_step_~stepLocal_1~0#1| (_ bv5 32)) (= c_~var_1_1~0 (bvadd (bvneg c_~var_1_4~0) c_~var_1_3~0 (bvneg c_~var_1_5~0))) (not (= (_ bv0 8) c_~var_1_2~0)) (= c_~var_1_7~0 ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 31.0 2.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_4~0)) ((_ to_fp 11 53) c_currentRoundingMode (bvadd (bvneg c_~var_1_8~0) c_~var_1_3~0)))))) is different from false [2023-11-19 07:37:28,021 WARN L876 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_step_~stepLocal_1~0#1| (_ bv5 32)) (= c_~var_1_1~0 (bvadd (bvneg c_~var_1_4~0) c_~var_1_3~0 (bvneg c_~var_1_5~0))) (not (= (_ bv0 8) c_~var_1_2~0)) (= c_~var_1_7~0 ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 31.0 2.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_4~0)) ((_ to_fp 11 53) c_currentRoundingMode (bvadd (bvneg c_~var_1_8~0) c_~var_1_3~0)))))) is different from true [2023-11-19 07:37:46,594 WARN L854 $PredicateComparison]: unable to prove that (and (= c_~var_1_1~0 (bvadd (bvneg c_~var_1_4~0) c_~var_1_3~0 (bvneg c_~var_1_5~0))) (not (bvuge (_ bv5 32) c_~var_1_11~0)) (not (= (_ bv0 8) c_~var_1_2~0)) (= c_~var_1_7~0 ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 31.0 2.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_4~0)) ((_ to_fp 11 53) c_currentRoundingMode (bvadd (bvneg c_~var_1_8~0) c_~var_1_3~0)))))) is different from false [2023-11-19 07:37:48,632 WARN L876 $PredicateComparison]: unable to prove that (and (= c_~var_1_1~0 (bvadd (bvneg c_~var_1_4~0) c_~var_1_3~0 (bvneg c_~var_1_5~0))) (not (bvuge (_ bv5 32) c_~var_1_11~0)) (not (= (_ bv0 8) c_~var_1_2~0)) (= c_~var_1_7~0 ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 31.0 2.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_4~0)) ((_ to_fp 11 53) c_currentRoundingMode (bvadd (bvneg c_~var_1_8~0) c_~var_1_3~0)))))) is different from true