./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-95.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_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-95.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a5cb8c42e20f729b3819f53d0a511d5faf3332a17c6b8596d7d6208f9f32f4b5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:38:27,261 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:38:27,370 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-23 21:38:27,376 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:38:27,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:38:27,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:38:27,414 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:38:27,415 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:38:27,415 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 21:38:27,416 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 21:38:27,417 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:38:27,417 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:38:27,418 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:38:27,419 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:38:27,419 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 21:38:27,420 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:38:27,420 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:38:27,421 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:38:27,421 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:38:27,422 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:38:27,422 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:38:27,429 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:38:27,429 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:38:27,429 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:38:27,430 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:38:27,430 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:38:27,431 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:38:27,431 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:38:27,431 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:38:27,432 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:38:27,432 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:38:27,432 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:38:27,433 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:38:27,433 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:38:27,434 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:38:27,434 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 21:38:27,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:38:27,435 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:38:27,435 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 21:38:27,436 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:38:27,436 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 21:38:27,438 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:38:27,438 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5cb8c42e20f729b3819f53d0a511d5faf3332a17c6b8596d7d6208f9f32f4b5 [2023-11-23 21:38:27,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:38:27,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:38:27,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:38:27,816 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:38:27,817 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:38:27,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-95.i [2023-11-23 21:38:30,835 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:38:31,089 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:38:31,089 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-95.i [2023-11-23 21:38:31,099 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/data/1265b22e5/81df65ed97434fa4901f9f464f5cf38b/FLAG2b8e5d6d5 [2023-11-23 21:38:31,117 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/data/1265b22e5/81df65ed97434fa4901f9f464f5cf38b [2023-11-23 21:38:31,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:38:31,122 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:38:31,123 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:38:31,123 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:38:31,130 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:38:31,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:38:31" (1/1) ... [2023-11-23 21:38:31,132 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fe21555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:31, skipping insertion in model container [2023-11-23 21:38:31,132 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:38:31" (1/1) ... [2023-11-23 21:38:31,174 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:38:31,338 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_2a312408-1142-472b-b890-f35409083d35/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-95.i[917,930] [2023-11-23 21:38:31,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:38:31,401 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:38:31,415 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_2a312408-1142-472b-b890-f35409083d35/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-95.i[917,930] [2023-11-23 21:38:31,445 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:38:31,464 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:38:31,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:31 WrapperNode [2023-11-23 21:38:31,464 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:38:31,466 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:38:31,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:38:31,466 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:38:31,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:31" (1/1) ... [2023-11-23 21:38:31,486 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:31" (1/1) ... [2023-11-23 21:38:31,569 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2023-11-23 21:38:31,570 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:38:31,571 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:38:31,571 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:38:31,571 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:38:31,585 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:31" (1/1) ... [2023-11-23 21:38:31,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:31" (1/1) ... [2023-11-23 21:38:31,593 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:31" (1/1) ... [2023-11-23 21:38:31,609 INFO L189 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-23 21:38:31,610 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:31" (1/1) ... [2023-11-23 21:38:31,610 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:31" (1/1) ... [2023-11-23 21:38:31,622 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:31" (1/1) ... [2023-11-23 21:38:31,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:31" (1/1) ... [2023-11-23 21:38:31,636 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:31" (1/1) ... [2023-11-23 21:38:31,638 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:31" (1/1) ... [2023-11-23 21:38:31,646 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:38:31,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:38:31,656 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:38:31,656 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:38:31,657 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:31" (1/1) ... [2023-11-23 21:38:31,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:38:31,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:31,697 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:31,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:38:31,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:38:31,806 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:38:31,806 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:38:31,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 21:38:31,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:38:31,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:38:31,890 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:38:31,893 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:38:32,264 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:38:32,295 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:38:32,295 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:38:32,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:38:32 BoogieIcfgContainer [2023-11-23 21:38:32,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:38:32,299 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:38:32,300 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:38:32,303 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:38:32,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:38:31" (1/3) ... [2023-11-23 21:38:32,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be227f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:38:32, skipping insertion in model container [2023-11-23 21:38:32,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:31" (2/3) ... [2023-11-23 21:38:32,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be227f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:38:32, skipping insertion in model container [2023-11-23 21:38:32,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:38:32" (3/3) ... [2023-11-23 21:38:32,307 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-95.i [2023-11-23 21:38:32,328 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:38:32,328 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:38:32,383 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:38:32,390 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2ed7d153, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:38:32,391 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:38:32,396 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 35 states have (on average 1.457142857142857) internal successors, (51), 36 states have internal predecessors, (51), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-23 21:38:32,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-23 21:38:32,410 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:38:32,411 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:38:32,412 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:38:32,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:32,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1584927003, now seen corresponding path program 1 times [2023-11-23 21:38:32,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:32,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554744219] [2023-11-23 21:38:32,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:32,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:32,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:38:32,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554744219] [2023-11-23 21:38:32,739 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-23 21:38:32,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117410522] [2023-11-23 21:38:32,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:32,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:38:32,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:32,743 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:38:32,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:38:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:32,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:38:32,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:38:33,023 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2023-11-23 21:38:33,024 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:38:33,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117410522] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:38:33,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:38:33,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:38:33,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352240444] [2023-11-23 21:38:33,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:38:33,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:38:33,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:38:33,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:38:33,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:38:33,102 INFO L87 Difference]: Start difference. First operand has 54 states, 35 states have (on average 1.457142857142857) internal successors, (51), 36 states have internal predecessors, (51), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-23 21:38:33,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:38:33,142 INFO L93 Difference]: Finished difference Result 105 states and 180 transitions. [2023-11-23 21:38:33,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:38:33,145 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 103 [2023-11-23 21:38:33,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:38:33,154 INFO L225 Difference]: With dead ends: 105 [2023-11-23 21:38:33,154 INFO L226 Difference]: Without dead ends: 52 [2023-11-23 21:38:33,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 102 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 21:38:33,163 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:38:33,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:38:33,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-11-23 21:38:33,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-11-23 21:38:33,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 34 states have internal predecessors, (46), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-23 21:38:33,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2023-11-23 21:38:33,236 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 103 [2023-11-23 21:38:33,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:38:33,237 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2023-11-23 21:38:33,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-23 21:38:33,238 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2023-11-23 21:38:33,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-23 21:38:33,242 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:38:33,242 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:38:33,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:33,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:38:33,453 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:38:33,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:33,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1324041437, now seen corresponding path program 1 times [2023-11-23 21:38:33,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:33,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793930312] [2023-11-23 21:38:33,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:33,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:33,572 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:38:33,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1967401301] [2023-11-23 21:38:33,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:33,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:38:33,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:33,574 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:38:33,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 21:38:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:33,794 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:38:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:33,900 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:38:33,901 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:38:33,903 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:38:33,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:34,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:38:34,130 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 21:38:34,133 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:38:34,195 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-23 21:38:34,197 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-23 21:38:34,198 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated [2023-11-23 21:38:34,198 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated [2023-11-23 21:38:34,199 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short18 could not be translated [2023-11-23 21:38:34,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:38:34 BoogieIcfgContainer [2023-11-23 21:38:34,225 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:38:34,226 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:38:34,226 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:38:34,226 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:38:34,227 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:38:32" (3/4) ... [2023-11-23 21:38:34,229 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:38:34,231 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:38:34,235 INFO L158 Benchmark]: Toolchain (without parser) took 3109.93ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 120.7MB in the beginning and 137.6MB in the end (delta: -16.9MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2023-11-23 21:38:34,238 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:38:34,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.73ms. Allocated memory is still 153.1MB. Free memory was 120.7MB in the beginning and 107.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:38:34,240 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.44ms. Allocated memory is still 153.1MB. Free memory was 107.4MB in the beginning and 104.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:38:34,240 INFO L158 Benchmark]: Boogie Preprocessor took 80.49ms. Allocated memory is still 153.1MB. Free memory was 104.1MB in the beginning and 99.2MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:38:34,241 INFO L158 Benchmark]: RCFGBuilder took 641.19ms. Allocated memory is still 153.1MB. Free memory was 99.2MB in the beginning and 103.4MB in the end (delta: -4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:38:34,242 INFO L158 Benchmark]: TraceAbstraction took 1925.68ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 102.9MB in the beginning and 137.6MB in the end (delta: -34.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:38:34,243 INFO L158 Benchmark]: Witness Printer took 5.02ms. Allocated memory is still 184.5MB. Free memory is still 137.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:38:34,246 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.73ms. Allocated memory is still 153.1MB. Free memory was 120.7MB in the beginning and 107.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.44ms. Allocated memory is still 153.1MB. Free memory was 107.4MB in the beginning and 104.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.49ms. Allocated memory is still 153.1MB. Free memory was 104.1MB in the beginning and 99.2MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 641.19ms. Allocated memory is still 153.1MB. Free memory was 99.2MB in the beginning and 103.4MB in the end (delta: -4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1925.68ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 102.9MB in the beginning and 137.6MB in the end (delta: -34.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.02ms. Allocated memory is still 184.5MB. Free memory is still 137.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short18 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 88, overapproximation of shiftRight at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -64; [L23] float var_1_3 = 1.8; [L24] float var_1_4 = 8.54; [L25] float var_1_5 = 255.8; [L26] float var_1_6 = 50.4; [L27] unsigned char var_1_7 = 0; [L28] unsigned long int var_1_8 = 8; [L29] unsigned char var_1_10 = 32; [L30] unsigned char var_1_11 = 5; [L31] unsigned char var_1_12 = 2; [L32] signed short int var_1_13 = 0; [L33] unsigned long int var_1_14 = 16; [L34] signed char var_1_16 = -1; [L35] signed char var_1_17 = -16; [L36] unsigned char last_1_var_1_7 = 0; [L92] isInitial = 1 [L93] FCALL initially() [L94] COND TRUE 1 [L95] CALL updateLastVariables() [L85] last_1_var_1_7 = var_1_7 [L95] RET updateLastVariables() [L96] CALL updateVariables() [L58] var_1_4 = __VERIFIER_nondet_float() [L59] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=1279/5, var_1_6=252/5, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=1279/5, var_1_6=252/5, var_1_7=0, var_1_8=8] [L59] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=1279/5, var_1_6=252/5, var_1_7=0, var_1_8=8] [L60] var_1_5 = __VERIFIER_nondet_float() [L61] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_6=252/5, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_6=252/5, var_1_7=0, var_1_8=8] [L61] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_6=252/5, var_1_7=0, var_1_8=8] [L62] var_1_6 = __VERIFIER_nondet_float() [L63] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=8] [L63] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=8] [L64] var_1_8 = __VERIFIER_nondet_ulong() [L65] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0] [L65] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0] [L66] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L66] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L67] var_1_10 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L68] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L69] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L69] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L70] var_1_11 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L71] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L72] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L72] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L73] var_1_12 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L74] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L75] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L75] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L76] var_1_14 = __VERIFIER_nondet_ulong() [L77] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L77] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L78] CALL assume_abort_if_not(var_1_14 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L78] RET assume_abort_if_not(var_1_14 <= 4294967295) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L79] CALL assume_abort_if_not(var_1_14 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L79] RET assume_abort_if_not(var_1_14 != 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L80] var_1_17 = __VERIFIER_nondet_char() [L81] CALL assume_abort_if_not(var_1_17 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=0, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=0, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L81] RET assume_abort_if_not(var_1_17 >= -127) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=0, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L82] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=0, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=0, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L82] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=0, var_1_1=-64, var_1_3=9/5, var_1_7=0, var_1_8=0] [L96] RET updateVariables() [L97] CALL step() [L40] var_1_1 = ((((last_1_var_1_7) < 0 ) ? -(last_1_var_1_7) : (last_1_var_1_7))) [L41] var_1_3 = ((var_1_4 - var_1_5) + ((((256.5f) < ((var_1_6 - 16.125f))) ? (256.5f) : ((var_1_6 - 16.125f))))) [L42] var_1_16 = var_1_17 VAL [isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_7=0, var_1_8=0] [L43] EXPR var_1_16 & var_1_1 VAL [isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_7=0, var_1_8=0] [L43] signed long int stepLocal_0 = var_1_16 & var_1_1; [L44] COND TRUE (- (3351680781u - var_1_8)) > stepLocal_0 [L45] var_1_7 = (((((var_1_10) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_10) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) + var_1_12) VAL [isInitial=1, last_1_var_1_7=0, stepLocal_0=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_7=1, var_1_8=0] [L47] EXPR var_1_7 >> var_1_7 VAL [isInitial=1, last_1_var_1_7=0, stepLocal_0=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_7=1, var_1_8=0] [L47] COND TRUE (var_1_16 / var_1_14) < (var_1_7 >> var_1_7) [L48] var_1_13 = ((((4 - var_1_11) < 0 ) ? -(4 - var_1_11) : (4 - var_1_11))) VAL [isInitial=1, last_1_var_1_7=0, stepLocal_0=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=4, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_7=1, var_1_8=0] [L97] RET step() [L98] CALL, EXPR property() [L88] EXPR ((var_1_1 == ((signed long int) ((((last_1_var_1_7) < 0 ) ? -(last_1_var_1_7) : (last_1_var_1_7))))) && (var_1_3 == ((float) ((var_1_4 - var_1_5) + ((((256.5f) < ((var_1_6 - 16.125f))) ? (256.5f) : ((var_1_6 - 16.125f)))))))) && (((- (3351680781u - var_1_8)) > (var_1_16 & var_1_1)) ? (var_1_7 == ((unsigned char) (((((var_1_10) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_10) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) + var_1_12))) : 1) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=4, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_7=1, var_1_8=0] [L88] EXPR (((var_1_1 == ((signed long int) ((((last_1_var_1_7) < 0 ) ? -(last_1_var_1_7) : (last_1_var_1_7))))) && (var_1_3 == ((float) ((var_1_4 - var_1_5) + ((((256.5f) < ((var_1_6 - 16.125f))) ? (256.5f) : ((var_1_6 - 16.125f)))))))) && (((- (3351680781u - var_1_8)) > (var_1_16 & var_1_1)) ? (var_1_7 == ((unsigned char) (((((var_1_10) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_10) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) + var_1_12))) : 1)) && (((var_1_16 / var_1_14) < (var_1_7 >> var_1_7)) ? (var_1_13 == ((signed short int) ((((4 - var_1_11) < 0 ) ? -(4 - var_1_11) : (4 - var_1_11))))) : ((var_1_16 >= var_1_1) ? (var_1_13 == ((signed short int) (-5 + (var_1_12 - var_1_11)))) : (var_1_13 == ((signed short int) 256)))) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=4, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_7=1, var_1_8=0] [L88-L89] return ((((var_1_1 == ((signed long int) ((((last_1_var_1_7) < 0 ) ? -(last_1_var_1_7) : (last_1_var_1_7))))) && (var_1_3 == ((float) ((var_1_4 - var_1_5) + ((((256.5f) < ((var_1_6 - 16.125f))) ? (256.5f) : ((var_1_6 - 16.125f)))))))) && (((- (3351680781u - var_1_8)) > (var_1_16 & var_1_1)) ? (var_1_7 == ((unsigned char) (((((var_1_10) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_10) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) + var_1_12))) : 1)) && (((var_1_16 / var_1_14) < (var_1_7 >> var_1_7)) ? (var_1_13 == ((signed short int) ((((4 - var_1_11) < 0 ) ? -(4 - var_1_11) : (4 - var_1_11))))) : ((var_1_16 >= var_1_1) ? (var_1_13 == ((signed short int) (-5 + (var_1_12 - var_1_11)))) : (var_1_13 == ((signed short int) 256))))) && (var_1_16 == ((signed char) var_1_17)) ; [L98] RET, EXPR property() [L98] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=4, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_7=1, var_1_8=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=4, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_7=1, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 2, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 75 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 309 NumberOfCodeBlocks, 309 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 102 SizeOfPredicates, 0 NumberOfNonLiveVariables, 242 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 480/480 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 21:38:34,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/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_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-95.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a5cb8c42e20f729b3819f53d0a511d5faf3332a17c6b8596d7d6208f9f32f4b5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:38:37,044 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:38:37,200 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-23 21:38:37,209 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:38:37,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:38:37,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:38:37,260 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:38:37,261 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:38:37,262 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 21:38:37,267 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 21:38:37,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:38:37,268 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:38:37,269 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:38:37,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:38:37,272 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 21:38:37,273 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:38:37,273 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:38:37,274 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:38:37,274 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:38:37,275 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:38:37,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:38:37,276 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:38:37,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:38:37,277 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:38:37,278 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:38:37,278 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:38:37,279 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:38:37,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:38:37,280 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:38:37,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:38:37,282 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:38:37,282 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:38:37,282 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:38:37,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:38:37,283 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:38:37,283 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:38:37,284 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:38:37,285 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-23 21:38:37,285 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:38:37,285 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:38:37,285 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 21:38:37,286 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:38:37,286 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 21:38:37,286 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:38:37,287 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-23 21:38:37,287 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5cb8c42e20f729b3819f53d0a511d5faf3332a17c6b8596d7d6208f9f32f4b5 [2023-11-23 21:38:37,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:38:37,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:38:37,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:38:37,704 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:38:37,704 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:38:37,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-95.i [2023-11-23 21:38:40,819 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:38:41,149 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:38:41,150 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-95.i [2023-11-23 21:38:41,160 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/data/3ee24ff63/58aec5b04cc7496f92ea48d0070e6d5a/FLAG43a131b38 [2023-11-23 21:38:41,176 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/data/3ee24ff63/58aec5b04cc7496f92ea48d0070e6d5a [2023-11-23 21:38:41,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:38:41,181 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:38:41,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:38:41,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:38:41,188 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:38:41,189 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:38:41" (1/1) ... [2023-11-23 21:38:41,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@372c04e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:41, skipping insertion in model container [2023-11-23 21:38:41,191 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:38:41" (1/1) ... [2023-11-23 21:38:41,226 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:38:41,426 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_2a312408-1142-472b-b890-f35409083d35/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-95.i[917,930] [2023-11-23 21:38:41,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:38:41,528 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:38:41,542 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_2a312408-1142-472b-b890-f35409083d35/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-95.i[917,930] [2023-11-23 21:38:41,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:38:41,582 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:38:41,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:41 WrapperNode [2023-11-23 21:38:41,582 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:38:41,584 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:38:41,584 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:38:41,584 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:38:41,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:41" (1/1) ... [2023-11-23 21:38:41,604 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:41" (1/1) ... [2023-11-23 21:38:41,631 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2023-11-23 21:38:41,631 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:38:41,632 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:38:41,632 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:38:41,632 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:38:41,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:41" (1/1) ... [2023-11-23 21:38:41,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:41" (1/1) ... [2023-11-23 21:38:41,649 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:41" (1/1) ... [2023-11-23 21:38:41,661 INFO L189 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-23 21:38:41,661 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:41" (1/1) ... [2023-11-23 21:38:41,661 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:41" (1/1) ... [2023-11-23 21:38:41,671 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:41" (1/1) ... [2023-11-23 21:38:41,680 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:41" (1/1) ... [2023-11-23 21:38:41,682 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:41" (1/1) ... [2023-11-23 21:38:41,684 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:41" (1/1) ... [2023-11-23 21:38:41,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:38:41,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:38:41,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:38:41,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:38:41,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:41" (1/1) ... [2023-11-23 21:38:41,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:38:41,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:41,727 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:41,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:38:41,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:38:41,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-23 21:38:41,842 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:38:41,842 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:38:41,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:38:41,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:38:41,968 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:38:41,970 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:38:44,195 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:38:44,255 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:38:44,256 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:38:44,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:38:44 BoogieIcfgContainer [2023-11-23 21:38:44,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:38:44,259 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:38:44,259 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:38:44,262 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:38:44,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:38:41" (1/3) ... [2023-11-23 21:38:44,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@352849df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:38:44, skipping insertion in model container [2023-11-23 21:38:44,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:41" (2/3) ... [2023-11-23 21:38:44,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@352849df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:38:44, skipping insertion in model container [2023-11-23 21:38:44,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:38:44" (3/3) ... [2023-11-23 21:38:44,265 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-95.i [2023-11-23 21:38:44,287 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:38:44,288 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:38:44,357 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:38:44,368 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@78efeda7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:38:44,369 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:38:44,374 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 23 states have internal predecessors, (30), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-23 21:38:44,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-23 21:38:44,386 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:38:44,387 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:38:44,388 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:38:44,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:44,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1105902680, now seen corresponding path program 1 times [2023-11-23 21:38:44,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 21:38:44,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [617281988] [2023-11-23 21:38:44,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:44,411 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 21:38:44,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 21:38:44,414 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/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 21:38:44,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/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 21:38:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:44,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:38:44,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:38:44,923 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2023-11-23 21:38:44,923 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:38:44,924 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 21:38:44,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [617281988] [2023-11-23 21:38:44,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [617281988] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:38:44,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:38:44,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:38:44,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756272754] [2023-11-23 21:38:44,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:38:44,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:38:44,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 21:38:44,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:38:44,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:38:44,971 INFO L87 Difference]: Start difference. First operand has 41 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 23 states have internal predecessors, (30), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-23 21:38:46,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:38:46,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:38:46,382 INFO L93 Difference]: Finished difference Result 79 states and 138 transitions. [2023-11-23 21:38:46,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:38:46,397 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 96 [2023-11-23 21:38:46,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:38:46,404 INFO L225 Difference]: With dead ends: 79 [2023-11-23 21:38:46,405 INFO L226 Difference]: Without dead ends: 39 [2023-11-23 21:38:46,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 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 21:38:46,417 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:38:46,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-23 21:38:46,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-11-23 21:38:46,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-11-23 21:38:46,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 21 states have internal predecessors, (24), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-23 21:38:46,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 56 transitions. [2023-11-23 21:38:46,471 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 56 transitions. Word has length 96 [2023-11-23 21:38:46,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:38:46,472 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 56 transitions. [2023-11-23 21:38:46,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-23 21:38:46,473 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2023-11-23 21:38:46,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-23 21:38:46,478 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:38:46,478 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:38:46,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/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)] Ended with exit code 0 [2023-11-23 21:38:46,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/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 21:38:46,682 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:38:46,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:46,683 INFO L85 PathProgramCache]: Analyzing trace with hash 207103141, now seen corresponding path program 1 times [2023-11-23 21:38:46,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 21:38:46,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [889164929] [2023-11-23 21:38:46,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:46,684 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 21:38:46,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 21:38:46,686 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/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 21:38:46,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a312408-1142-472b-b890-f35409083d35/bin/uautomizer-verify-zZY32mL2XJ/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 21:38:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:47,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-23 21:38:47,215 INFO L285 TraceCheckSpWp]: Computing forward predicates...