./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 47a9580359f4ce533ffae805fbaa0b559dfa198618e852328ee6cb0ba7f4c377 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:27:34,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:27:34,838 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:27:34,847 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:27:34,848 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:27:34,886 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:27:34,887 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:27:34,887 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:27:34,888 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:27:34,893 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:27:34,894 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:27:34,895 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:27:34,895 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:27:34,897 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:27:34,897 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:27:34,898 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:27:34,898 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:27:34,899 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:27:34,899 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:27:34,899 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:27:34,901 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:27:34,902 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:27:34,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:27:34,903 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:27:34,904 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:27:34,904 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:27:34,905 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:27:34,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:27:34,905 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:27:34,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:27:34,907 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:27:34,908 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:27:34,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:27:34,908 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:27:34,908 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:27:34,909 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:27:34,909 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:27:34,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:27:34,909 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:27:34,910 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:27:34,910 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:27:34,910 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:27:34,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:27:34,911 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:27:34,911 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:27:34,912 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:27:34,912 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:27:34,912 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47a9580359f4ce533ffae805fbaa0b559dfa198618e852328ee6cb0ba7f4c377 [2023-11-23 21:27:35,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:27:35,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:27:35,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:27:35,267 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:27:35,267 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:27:35,269 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93.i [2023-11-23 21:27:38,380 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:27:38,610 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:27:38,611 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93.i [2023-11-23 21:27:38,620 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/data/3f26c4e39/32100fb59c0e4441be78b146e5fefefc/FLAG7df2c1380 [2023-11-23 21:27:38,635 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/data/3f26c4e39/32100fb59c0e4441be78b146e5fefefc [2023-11-23 21:27:38,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:27:38,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:27:38,641 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:27:38,642 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:27:38,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:27:38,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:27:38" (1/1) ... [2023-11-23 21:27:38,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a5b3d76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:38, skipping insertion in model container [2023-11-23 21:27:38,650 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:27:38" (1/1) ... [2023-11-23 21:27:38,724 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:27:38,925 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_56930842-2c60-464b-af6f-2516f6b09c67/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93.i[916,929] [2023-11-23 21:27:38,962 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:27:38,975 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:27:38,985 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_56930842-2c60-464b-af6f-2516f6b09c67/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93.i[916,929] [2023-11-23 21:27:39,004 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:27:39,020 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:27:39,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:39 WrapperNode [2023-11-23 21:27:39,021 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:27:39,022 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:27:39,022 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:27:39,022 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:27:39,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:39" (1/1) ... [2023-11-23 21:27:39,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:39" (1/1) ... [2023-11-23 21:27:39,067 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2023-11-23 21:27:39,068 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:27:39,068 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:27:39,069 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:27:39,069 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:27:39,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:39" (1/1) ... [2023-11-23 21:27:39,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:39" (1/1) ... [2023-11-23 21:27:39,095 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:39" (1/1) ... [2023-11-23 21:27:39,096 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:39" (1/1) ... [2023-11-23 21:27:39,103 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:39" (1/1) ... [2023-11-23 21:27:39,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:39" (1/1) ... [2023-11-23 21:27:39,123 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:39" (1/1) ... [2023-11-23 21:27:39,124 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:39" (1/1) ... [2023-11-23 21:27:39,127 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:27:39,128 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:27:39,128 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:27:39,128 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:27:39,129 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:39" (1/1) ... [2023-11-23 21:27:39,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:27:39,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:27:39,180 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:27:39,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:27:39,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:27:39,235 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:27:39,236 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:27:39,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:27:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:27:39,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:27:39,359 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:27:39,362 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:27:39,665 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:27:39,797 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:27:39,798 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:27:39,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:27:39 BoogieIcfgContainer [2023-11-23 21:27:39,800 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:27:39,803 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:27:39,803 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:27:39,806 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:27:39,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:27:38" (1/3) ... [2023-11-23 21:27:39,808 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4638e1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:27:39, skipping insertion in model container [2023-11-23 21:27:39,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:39" (2/3) ... [2023-11-23 21:27:39,808 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4638e1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:27:39, skipping insertion in model container [2023-11-23 21:27:39,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:27:39" (3/3) ... [2023-11-23 21:27:39,810 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-93.i [2023-11-23 21:27:39,829 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:27:39,830 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:27:39,874 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:27:39,880 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@43890e2e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:27:39,880 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:27:39,885 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-23 21:27:39,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-23 21:27:39,896 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:27:39,896 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:27:39,897 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:27:39,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:27:39,903 INFO L85 PathProgramCache]: Analyzing trace with hash 154201264, now seen corresponding path program 1 times [2023-11-23 21:27:39,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:27:39,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014272728] [2023-11-23 21:27:39,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:27:39,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:27:40,161 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:27:40,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1122537311] [2023-11-23 21:27:40,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:27:40,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:27:40,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:27:40,169 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:27:40,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:27:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:27:40,348 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:27:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:27:40,485 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:27:40,487 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:27:40,488 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:27:40,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:27:40,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:27:40,715 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:27:40,718 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:27:40,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:27:40 BoogieIcfgContainer [2023-11-23 21:27:40,797 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:27:40,797 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:27:40,798 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:27:40,798 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:27:40,798 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:27:39" (3/4) ... [2023-11-23 21:27:40,800 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:27:40,801 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:27:40,803 INFO L158 Benchmark]: Toolchain (without parser) took 2162.81ms. Allocated memory is still 138.4MB. Free memory was 103.2MB in the beginning and 88.4MB in the end (delta: 14.8MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2023-11-23 21:27:40,803 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 138.4MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:27:40,804 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.10ms. Allocated memory is still 138.4MB. Free memory was 103.2MB in the beginning and 101.5MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:27:40,804 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.87ms. Allocated memory is still 138.4MB. Free memory was 101.5MB in the beginning and 99.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:27:40,805 INFO L158 Benchmark]: Boogie Preprocessor took 58.46ms. Allocated memory is still 138.4MB. Free memory was 99.4MB in the beginning and 98.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:27:40,806 INFO L158 Benchmark]: RCFGBuilder took 672.35ms. Allocated memory is still 138.4MB. Free memory was 98.0MB in the beginning and 73.2MB in the end (delta: 24.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-23 21:27:40,806 INFO L158 Benchmark]: TraceAbstraction took 994.30ms. Allocated memory is still 138.4MB. Free memory was 72.5MB in the beginning and 88.4MB in the end (delta: -15.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:27:40,807 INFO L158 Benchmark]: Witness Printer took 4.01ms. Allocated memory is still 138.4MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:27:40,810 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 138.4MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.10ms. Allocated memory is still 138.4MB. Free memory was 103.2MB in the beginning and 101.5MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.87ms. Allocated memory is still 138.4MB. Free memory was 101.5MB in the beginning and 99.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.46ms. Allocated memory is still 138.4MB. Free memory was 99.4MB in the beginning and 98.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 672.35ms. Allocated memory is still 138.4MB. Free memory was 98.0MB in the beginning and 73.2MB in the end (delta: 24.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 994.30ms. Allocated memory is still 138.4MB. Free memory was 72.5MB in the beginning and 88.4MB in the end (delta: -15.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.01ms. Allocated memory is still 138.4MB. Free memory is still 88.4MB. 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 45, overapproximation of someBinaryDOUBLEComparisonOperation at line 47. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 255; [L23] signed long int var_1_3 = 0; [L24] signed long int var_1_5 = 128; [L25] signed long int var_1_6 = 9; [L26] signed long int var_1_7 = 31; [L27] signed long int var_1_8 = 9; [L28] signed long int var_1_9 = 499; [L29] signed long int var_1_10 = 1; [L30] unsigned char var_1_11 = 0; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_13 = 0; [L33] unsigned char var_1_14 = 1; [L34] signed long int last_1_var_1_10 = 1; [L99] isInitial = 1 [L100] FCALL initially() [L101] COND TRUE 1 [L102] CALL updateLastVariables() [L92] last_1_var_1_10 = var_1_10 [L102] RET updateLastVariables() [L103] CALL updateVariables() [L61] var_1_3 = __VERIFIER_nondet_long() [L62] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L63] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L64] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L65] var_1_5 = __VERIFIER_nondet_long() [L66] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L67] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L68] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L69] var_1_6 = __VERIFIER_nondet_long() [L70] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=31, var_1_8=9, var_1_9=499] [L71] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=31, var_1_8=9, var_1_9=499] [L72] var_1_7 = __VERIFIER_nondet_long() [L73] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=7, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=7, var_1_8=9, var_1_9=499] [L74] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=7, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=7, var_1_8=9, var_1_9=499] [L75] var_1_8 = __VERIFIER_nondet_long() [L76] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=7, var_1_8=0, var_1_9=499] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=7, var_1_8=0, var_1_9=499] [L77] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=7, var_1_8=0, var_1_9=499] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=7, var_1_8=0, var_1_9=499] [L78] var_1_9 = __VERIFIER_nondet_long() [L79] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=7, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=7, var_1_8=0, var_1_9=0] [L80] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=7, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=7, var_1_8=0, var_1_9=0] [L81] var_1_12 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=7, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=7, var_1_8=0, var_1_9=0] [L83] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=7, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=7, var_1_8=0, var_1_9=0] [L84] var_1_13 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=7, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=7, var_1_8=0, var_1_9=0] [L86] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=7, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=7, var_1_8=0, var_1_9=0] [L87] var_1_14 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=7, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=7, var_1_8=0, var_1_9=0] [L89] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=7, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=7, var_1_8=0, var_1_9=0] [L103] RET updateVariables() [L104] CALL step() [L38] COND FALSE !(((- last_1_var_1_10) / var_1_3) != (last_1_var_1_10 / var_1_5)) [L45] var_1_1 = 64.51f [L47] COND TRUE var_1_1 > (((((var_1_9 * 128.4)) > ((var_1_5 * var_1_1))) ? ((var_1_9 * 128.4)) : ((var_1_5 * var_1_1)))) [L48] var_1_10 = 2147000000.0f [L52] COND FALSE !(! (var_1_3 <= var_1_10)) [L55] COND TRUE (var_1_7 / var_1_3) < ((((((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6)))) < (var_1_5)) ? (((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6)))) : (var_1_5))) [L56] var_1_11 = var_1_14 [L104] RET step() [L105] CALL, EXPR property() [L95-L96] return (((((- last_1_var_1_10) / var_1_3) != (last_1_var_1_10 / var_1_5)) ? ((last_1_var_1_10 != (((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))) - var_1_8)) ? (var_1_1 == ((signed long int) var_1_9)) : (var_1_1 == ((signed long int) var_1_9))) : (var_1_1 == ((signed long int) 64.51f))) && ((var_1_1 > (((((var_1_9 * 128.4)) > ((var_1_5 * var_1_1))) ? ((var_1_9 * 128.4)) : ((var_1_5 * var_1_1))))) ? (var_1_10 == ((signed long int) 1.00000000000004E13f)) : (var_1_10 == ((signed long int) var_1_9)))) && ((! (var_1_3 <= var_1_10)) ? (var_1_11 == ((unsigned char) (var_1_12 && var_1_13))) : (((var_1_7 / var_1_3) < ((((((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6)))) < (var_1_5)) ? (((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6)))) : (var_1_5)))) ? (var_1_11 == ((unsigned char) var_1_14)) : 1)) ; [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=1, var_1_10=4, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=0, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=7, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=1, var_1_10=4, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=0, var_1_3=4, var_1_5=5, var_1_6=6, var_1_7=7, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:27:40,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 47a9580359f4ce533ffae805fbaa0b559dfa198618e852328ee6cb0ba7f4c377 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:27:43,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:27:43,667 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:27:43,677 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:27:43,677 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:27:43,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:27:43,722 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:27:43,723 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:27:43,724 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:27:43,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:27:43,729 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:27:43,730 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:27:43,730 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:27:43,732 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:27:43,732 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:27:43,733 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:27:43,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:27:43,735 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:27:43,735 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:27:43,736 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:27:43,736 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:27:43,737 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:27:43,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:27:43,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:27:43,738 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:27:43,738 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:27:43,739 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:27:43,739 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:27:43,740 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:27:43,740 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:27:43,742 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:27:43,742 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:27:43,742 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:27:43,743 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:27:43,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:27:43,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:27:43,744 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:27:43,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:27:43,744 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:27:43,745 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:27:43,746 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:27:43,746 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:27:43,746 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:27:43,747 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:27:43,747 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47a9580359f4ce533ffae805fbaa0b559dfa198618e852328ee6cb0ba7f4c377 [2023-11-23 21:27:44,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:27:44,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:27:44,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:27:44,206 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:27:44,207 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:27:44,209 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93.i [2023-11-23 21:27:47,548 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:27:47,861 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:27:47,862 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93.i [2023-11-23 21:27:47,873 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/data/00d94e897/bb1afda3479a4243b135086ffceb8b9f/FLAG207006068 [2023-11-23 21:27:47,891 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/data/00d94e897/bb1afda3479a4243b135086ffceb8b9f [2023-11-23 21:27:47,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:27:47,899 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:27:47,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:27:47,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:27:47,907 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:27:47,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:27:47" (1/1) ... [2023-11-23 21:27:47,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e9eab3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:47, skipping insertion in model container [2023-11-23 21:27:47,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:27:47" (1/1) ... [2023-11-23 21:27:47,949 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:27:48,134 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_56930842-2c60-464b-af6f-2516f6b09c67/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93.i[916,929] [2023-11-23 21:27:48,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:27:48,231 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:27:48,254 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_56930842-2c60-464b-af6f-2516f6b09c67/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93.i[916,929] [2023-11-23 21:27:48,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:27:48,305 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:27:48,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:48 WrapperNode [2023-11-23 21:27:48,306 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:27:48,307 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:27:48,308 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:27:48,308 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:27:48,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:48" (1/1) ... [2023-11-23 21:27:48,328 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:48" (1/1) ... [2023-11-23 21:27:48,367 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2023-11-23 21:27:48,368 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:27:48,369 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:27:48,369 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:27:48,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:27:48,379 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:48" (1/1) ... [2023-11-23 21:27:48,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:48" (1/1) ... [2023-11-23 21:27:48,384 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:48" (1/1) ... [2023-11-23 21:27:48,384 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:48" (1/1) ... [2023-11-23 21:27:48,394 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:48" (1/1) ... [2023-11-23 21:27:48,398 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:48" (1/1) ... [2023-11-23 21:27:48,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:48" (1/1) ... [2023-11-23 21:27:48,403 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:48" (1/1) ... [2023-11-23 21:27:48,407 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:27:48,408 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:27:48,409 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:27:48,409 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:27:48,410 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:48" (1/1) ... [2023-11-23 21:27:48,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:27:48,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:27:48,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:27:48,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:27:48,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:27:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:27:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:27:48,493 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:27:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:27:48,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:27:48,574 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:27:48,577 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:27:55,264 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:27:55,364 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:27:55,364 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:27:55,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:27:55 BoogieIcfgContainer [2023-11-23 21:27:55,366 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:27:55,370 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:27:55,371 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:27:55,374 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:27:55,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:27:47" (1/3) ... [2023-11-23 21:27:55,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc69b4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:27:55, skipping insertion in model container [2023-11-23 21:27:55,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:48" (2/3) ... [2023-11-23 21:27:55,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc69b4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:27:55, skipping insertion in model container [2023-11-23 21:27:55,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:27:55" (3/3) ... [2023-11-23 21:27:55,381 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-93.i [2023-11-23 21:27:55,401 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:27:55,402 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:27:55,474 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:27:55,483 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@b3e1185, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:27:55,484 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:27:55,489 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 25 states have internal predecessors, (34), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-23 21:27:55,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-23 21:27:55,510 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:27:55,511 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:27:55,512 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:27:55,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:27:55,518 INFO L85 PathProgramCache]: Analyzing trace with hash 671086619, now seen corresponding path program 1 times [2023-11-23 21:27:55,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:27:55,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1307137502] [2023-11-23 21:27:55,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:27:55,537 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 [2023-11-23 21:27:55,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:27:55,541 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:27:55,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:27:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:27:56,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:27:56,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:27:56,096 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-11-23 21:27:56,096 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:27:56,097 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:27:56,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1307137502] [2023-11-23 21:27:56,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1307137502] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:27:56,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:27:56,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:27:56,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361682477] [2023-11-23 21:27:56,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:27:56,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:27:56,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:27:56,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:27:56,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:27:56,143 INFO L87 Difference]: Start difference. First operand has 47 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 25 states have internal predecessors, (34), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-23 21:27:58,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:27:58,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:27:58,454 INFO L93 Difference]: Finished difference Result 91 states and 166 transitions. [2023-11-23 21:27:58,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:27:58,523 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 117 [2023-11-23 21:27:58,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:27:58,532 INFO L225 Difference]: With dead ends: 91 [2023-11-23 21:27:58,532 INFO L226 Difference]: Without dead ends: 45 [2023-11-23 21:27:58,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:27:58,539 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:27:58,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2023-11-23 21:27:58,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-11-23 21:27:58,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2023-11-23 21:27:58,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 23 states have internal predecessors, (29), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-23 21:27:58,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 69 transitions. [2023-11-23 21:27:58,595 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 69 transitions. Word has length 117 [2023-11-23 21:27:58,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:27:58,596 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 69 transitions. [2023-11-23 21:27:58,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-23 21:27:58,596 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 69 transitions. [2023-11-23 21:27:58,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-23 21:27:58,600 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:27:58,600 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:27:58,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:27:58,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:27:58,804 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:27:58,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:27:58,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1310300833, now seen corresponding path program 1 times [2023-11-23 21:27:58,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:27:58,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1690858277] [2023-11-23 21:27:58,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:27:58,806 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 [2023-11-23 21:27:58,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:27:58,808 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:27:58,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:27:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:27:59,393 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:27:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:27:59,999 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-23 21:28:00,000 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:28:00,002 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:28:00,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-23 21:28:00,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:28:00,225 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 21:28:00,231 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:28:00,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:28:00 BoogieIcfgContainer [2023-11-23 21:28:00,394 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:28:00,395 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:28:00,395 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:28:00,395 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:28:00,396 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:27:55" (3/4) ... [2023-11-23 21:28:00,397 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 21:28:00,505 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:28:00,506 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:28:00,506 INFO L158 Benchmark]: Toolchain (without parser) took 12607.98ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 44.9MB in the beginning and 33.1MB in the end (delta: 11.8MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2023-11-23 21:28:00,507 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 69.2MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:28:00,507 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.48ms. Allocated memory is still 69.2MB. Free memory was 44.7MB in the beginning and 32.0MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:28:00,508 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.41ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 32.0MB in the beginning and 71.1MB in the end (delta: -39.1MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-11-23 21:28:00,508 INFO L158 Benchmark]: Boogie Preprocessor took 38.83ms. Allocated memory is still 92.3MB. Free memory was 71.1MB in the beginning and 69.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:28:00,509 INFO L158 Benchmark]: RCFGBuilder took 6957.35ms. Allocated memory is still 92.3MB. Free memory was 69.0MB in the beginning and 50.7MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 21:28:00,509 INFO L158 Benchmark]: TraceAbstraction took 5023.92ms. Allocated memory is still 92.3MB. Free memory was 49.5MB in the beginning and 41.7MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 21:28:00,510 INFO L158 Benchmark]: Witness Printer took 110.89ms. Allocated memory is still 92.3MB. Free memory was 41.7MB in the beginning and 33.1MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 21:28:00,512 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 69.2MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.48ms. Allocated memory is still 69.2MB. Free memory was 44.7MB in the beginning and 32.0MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.41ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 32.0MB in the beginning and 71.1MB in the end (delta: -39.1MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.83ms. Allocated memory is still 92.3MB. Free memory was 71.1MB in the beginning and 69.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 6957.35ms. Allocated memory is still 92.3MB. Free memory was 69.0MB in the beginning and 50.7MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5023.92ms. Allocated memory is still 92.3MB. Free memory was 49.5MB in the beginning and 41.7MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 110.89ms. Allocated memory is still 92.3MB. Free memory was 41.7MB in the beginning and 33.1MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. 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 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 255; [L23] signed long int var_1_3 = 0; [L24] signed long int var_1_5 = 128; [L25] signed long int var_1_6 = 9; [L26] signed long int var_1_7 = 31; [L27] signed long int var_1_8 = 9; [L28] signed long int var_1_9 = 499; [L29] signed long int var_1_10 = 1; [L30] unsigned char var_1_11 = 0; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_13 = 0; [L33] unsigned char var_1_14 = 1; [L34] signed long int last_1_var_1_10 = 1; [L99] isInitial = 1 [L100] FCALL initially() [L101] COND TRUE 1 [L102] CALL updateLastVariables() [L92] last_1_var_1_10 = var_1_10 [L102] RET updateLastVariables() [L103] CALL updateVariables() [L61] var_1_3 = __VERIFIER_nondet_long() [L62] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L62] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L63] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L63] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L64] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L64] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L65] var_1_5 = __VERIFIER_nondet_long() [L66] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L66] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L67] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L67] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L68] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L68] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L69] var_1_6 = __VERIFIER_nondet_long() [L70] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=31, var_1_8=9, var_1_9=499] [L70] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=31, var_1_8=9, var_1_9=499] [L71] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=31, var_1_8=9, var_1_9=499] [L71] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=31, var_1_8=9, var_1_9=499] [L72] var_1_7 = __VERIFIER_nondet_long() [L73] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=9, var_1_9=499] [L73] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=9, var_1_9=499] [L74] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=9, var_1_9=499] [L74] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=9, var_1_9=499] [L75] var_1_8 = __VERIFIER_nondet_long() [L76] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=499] [L76] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=499] [L77] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=499] [L77] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=499] [L78] var_1_9 = __VERIFIER_nondet_long() [L79] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=-802816000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=-802816000] [L79] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=-802816000] [L80] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=-802816000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=-802816000] [L80] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=-802816000] [L81] var_1_12 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=-802816000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=-802816000] [L82] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=-802816000] [L83] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=-802816000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=-802816000] [L83] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=-802816000] [L84] var_1_13 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=-802816000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=-802816000] [L85] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=-802816000] [L86] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=-802816000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=-802816000] [L86] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=-802816000] [L87] var_1_14 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=-802816000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=-802816000] [L88] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=-802816000] [L89] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=-802816000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=-802816000] [L89] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=-802816000] [L103] RET updateVariables() [L104] CALL step() [L38] COND FALSE !(((- last_1_var_1_10) / var_1_3) != (last_1_var_1_10 / var_1_5)) [L45] var_1_1 = 64.51f VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=64, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=-802816000] [L47] COND TRUE var_1_1 > (((((var_1_9 * 128.4)) > ((var_1_5 * var_1_1))) ? ((var_1_9 * 128.4)) : ((var_1_5 * var_1_1)))) [L48] var_1_10 = 2147000000.0f VAL [isInitial=1, last_1_var_1_10=1, var_1_10=2147000064, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=64, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=-802816000] [L52] COND TRUE ! (var_1_3 <= var_1_10) [L53] var_1_11 = (var_1_12 && var_1_13) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=2147000064, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=64, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=-802816000] [L104] RET step() [L105] CALL, EXPR property() [L95-L96] return (((((- last_1_var_1_10) / var_1_3) != (last_1_var_1_10 / var_1_5)) ? ((last_1_var_1_10 != (((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))) - var_1_8)) ? (var_1_1 == ((signed long int) var_1_9)) : (var_1_1 == ((signed long int) var_1_9))) : (var_1_1 == ((signed long int) 64.51f))) && ((var_1_1 > (((((var_1_9 * 128.4)) > ((var_1_5 * var_1_1))) ? ((var_1_9 * 128.4)) : ((var_1_5 * var_1_1))))) ? (var_1_10 == ((signed long int) 1.00000000000004E13f)) : (var_1_10 == ((signed long int) var_1_9)))) && ((! (var_1_3 <= var_1_10)) ? (var_1_11 == ((unsigned char) (var_1_12 && var_1_13))) : (((var_1_7 / var_1_3) < ((((((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6)))) < (var_1_5)) ? (((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6)))) : (var_1_5)))) ? (var_1_11 == ((unsigned char) var_1_14)) : 1)) ; [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=1, var_1_10=2147000064, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=64, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=-802816000] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=1, var_1_10=2147000064, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=64, var_1_3=2147000066, var_1_5=-2089025536, var_1_6=1073741824, var_1_7=0, var_1_8=1, var_1_9=-802816000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 2, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 66 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 116 SizeOfPredicates, 0 NumberOfNonLiveVariables, 189 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 760/760 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 proved your program to be incorrect! [2023-11-23 21:28:00,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56930842-2c60-464b-af6f-2516f6b09c67/bin/utaipan-verify-mE87zJ7Ire/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE