./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx --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 91dcb1d48bb0eca7aa2ec33a21dcdd775aa1755cb1856f7606102fe5579d2f23 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:20:47,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:20:47,696 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:20:47,703 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:20:47,708 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:20:47,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:20:47,754 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:20:47,755 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:20:47,756 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:20:47,761 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:20:47,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:20:47,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:20:47,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:20:47,765 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:20:47,765 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:20:47,766 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:20:47,766 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:20:47,767 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:20:47,769 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:20:47,769 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:20:47,770 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:20:47,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:20:47,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:20:47,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:20:47,772 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:20:47,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:20:47,773 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:20:47,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:20:47,774 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:20:47,774 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:20:47,776 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:20:47,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:20:47,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:20:47,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:20:47,777 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:20:47,777 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:20:47,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:20:47,778 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:20:47,778 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:20:47,778 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:20:47,778 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:20:47,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:20:47,779 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_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91dcb1d48bb0eca7aa2ec33a21dcdd775aa1755cb1856f7606102fe5579d2f23 [2023-11-21 22:20:48,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:20:48,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:20:48,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:20:48,116 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:20:48,116 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:20:48,118 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-1.i [2023-11-21 22:20:51,223 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:20:51,512 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:20:51,513 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-1.i [2023-11-21 22:20:51,523 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/data/28a8072c5/eecf9ffd6dd84a5780769866642f7247/FLAGf173d0a0b [2023-11-21 22:20:51,538 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/data/28a8072c5/eecf9ffd6dd84a5780769866642f7247 [2023-11-21 22:20:51,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:20:51,543 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:20:51,544 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:20:51,545 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:20:51,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:20:51,551 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:20:51" (1/1) ... [2023-11-21 22:20:51,552 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@724beecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:51, skipping insertion in model container [2023-11-21 22:20:51,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:20:51" (1/1) ... [2023-11-21 22:20:51,587 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:20:51,750 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_b6e32196-545d-4781-9e19-5d400811f1b2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-1.i[914,927] [2023-11-21 22:20:51,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:20:51,823 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:20:51,836 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_b6e32196-545d-4781-9e19-5d400811f1b2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-1.i[914,927] [2023-11-21 22:20:51,895 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:20:51,916 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:20:51,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:51 WrapperNode [2023-11-21 22:20:51,917 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:20:51,918 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:20:51,919 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:20:51,919 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:20:51,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:51" (1/1) ... [2023-11-21 22:20:51,938 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:51" (1/1) ... [2023-11-21 22:20:51,993 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 153 [2023-11-21 22:20:51,994 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:20:51,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:20:51,995 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:20:51,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:20:52,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:51" (1/1) ... [2023-11-21 22:20:52,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:51" (1/1) ... [2023-11-21 22:20:52,010 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:51" (1/1) ... [2023-11-21 22:20:52,025 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:20:52,025 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:51" (1/1) ... [2023-11-21 22:20:52,025 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:51" (1/1) ... [2023-11-21 22:20:52,035 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:51" (1/1) ... [2023-11-21 22:20:52,039 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:51" (1/1) ... [2023-11-21 22:20:52,042 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:51" (1/1) ... [2023-11-21 22:20:52,044 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:51" (1/1) ... [2023-11-21 22:20:52,048 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:20:52,049 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:20:52,050 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:20:52,050 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:20:52,051 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:51" (1/1) ... [2023-11-21 22:20:52,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:20:52,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:52,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:52,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:20:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:20:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:20:52,155 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:20:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:20:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:20:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:20:52,241 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:20:52,243 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:20:52,684 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:20:53,002 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:20:53,003 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:20:53,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:20:53 BoogieIcfgContainer [2023-11-21 22:20:53,006 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:20:53,009 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:20:53,009 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:20:53,013 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:20:53,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:20:51" (1/3) ... [2023-11-21 22:20:53,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5753fbef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:20:53, skipping insertion in model container [2023-11-21 22:20:53,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:51" (2/3) ... [2023-11-21 22:20:53,017 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5753fbef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:20:53, skipping insertion in model container [2023-11-21 22:20:53,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:20:53" (3/3) ... [2023-11-21 22:20:53,019 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-1.i [2023-11-21 22:20:53,040 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:20:53,041 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:20:53,097 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:20:53,105 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;@1ff5342b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:20:53,106 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:20:53,111 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-21 22:20:53,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-21 22:20:53,133 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:20:53,134 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:20:53,135 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:20:53,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:20:53,145 INFO L85 PathProgramCache]: Analyzing trace with hash 622905885, now seen corresponding path program 1 times [2023-11-21 22:20:53,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:20:53,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221350134] [2023-11-21 22:20:53,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:20:53,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:20:53,343 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:20:53,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [754812437] [2023-11-21 22:20:53,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:20:53,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:20:53,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:53,348 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:20:53,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:20:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:53,575 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:20:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:53,756 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:20:53,760 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:20:53,762 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:20:53,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:53,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-21 22:20:53,990 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:20:53,994 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:20:54,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:20:54 BoogieIcfgContainer [2023-11-21 22:20:54,193 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:20:54,194 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:20:54,194 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:20:54,194 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:20:54,195 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:20:53" (3/4) ... [2023-11-21 22:20:54,197 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:20:54,198 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:20:54,200 INFO L158 Benchmark]: Toolchain (without parser) took 2656.81ms. Allocated memory was 119.5MB in the beginning and 155.2MB in the end (delta: 35.7MB). Free memory was 86.5MB in the beginning and 118.1MB in the end (delta: -31.6MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2023-11-21 22:20:54,200 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 119.5MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:20:54,201 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.20ms. Allocated memory is still 119.5MB. Free memory was 86.1MB in the beginning and 72.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 22:20:54,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.65ms. Allocated memory is still 119.5MB. Free memory was 72.3MB in the beginning and 69.0MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:20:54,202 INFO L158 Benchmark]: Boogie Preprocessor took 54.14ms. Allocated memory is still 119.5MB. Free memory was 69.0MB in the beginning and 65.0MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:20:54,203 INFO L158 Benchmark]: RCFGBuilder took 956.43ms. Allocated memory was 119.5MB in the beginning and 155.2MB in the end (delta: 35.7MB). Free memory was 65.0MB in the beginning and 103.2MB in the end (delta: -38.2MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2023-11-21 22:20:54,204 INFO L158 Benchmark]: TraceAbstraction took 1184.39ms. Allocated memory is still 155.2MB. Free memory was 102.0MB in the beginning and 118.1MB in the end (delta: -16.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-21 22:20:54,204 INFO L158 Benchmark]: Witness Printer took 4.76ms. Allocated memory is still 155.2MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:20:54,208 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 119.5MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.20ms. Allocated memory is still 119.5MB. Free memory was 86.1MB in the beginning and 72.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.65ms. Allocated memory is still 119.5MB. Free memory was 72.3MB in the beginning and 69.0MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.14ms. Allocated memory is still 119.5MB. Free memory was 69.0MB in the beginning and 65.0MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 956.43ms. Allocated memory was 119.5MB in the beginning and 155.2MB in the end (delta: 35.7MB). Free memory was 65.0MB in the beginning and 103.2MB in the end (delta: -38.2MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1184.39ms. Allocated memory is still 155.2MB. Free memory was 102.0MB in the beginning and 118.1MB in the end (delta: -16.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 4.76ms. Allocated memory is still 155.2MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 134, overapproximation of someBinaryFLOATComparisonOperation at line 134, overapproximation of someBinaryArithmeticFLOAToperation at line 64. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 64; [L23] double var_1_6 = 31.5; [L24] double var_1_9 = 1000000000.25; [L25] float var_1_10 = 1.1; [L26] float var_1_11 = 8.75; [L27] float var_1_12 = 63.8; [L28] unsigned char var_1_13 = 1; [L29] float var_1_14 = 127.5; [L30] signed char var_1_15 = -2; [L31] signed char var_1_16 = 1; [L32] signed char var_1_17 = 1; [L33] signed char var_1_18 = 1; [L34] signed char var_1_19 = -2; [L35] signed char var_1_20 = 16; [L36] signed char var_1_21 = 2; [L37] signed char var_1_22 = 8; [L38] unsigned char var_1_23 = 0; [L39] unsigned char var_1_24 = 0; [L40] unsigned char var_1_25 = 0; [L41] unsigned char var_1_26 = 0; [L42] unsigned char var_1_27 = 32; [L138] isInitial = 1 [L139] FCALL initially() [L140] COND TRUE 1 [L141] FCALL updateLastVariables() [L142] CALL updateVariables() [L94] var_1_9 = __VERIFIER_nondet_double() [L95] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L96] var_1_11 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L98] var_1_13 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L100] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L101] var_1_14 = __VERIFIER_nondet_float() [L102] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L103] var_1_16 = __VERIFIER_nondet_char() [L104] CALL assume_abort_if_not(var_1_16 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_16 >= -1) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L105] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L106] var_1_17 = __VERIFIER_nondet_char() [L107] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L108] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L109] var_1_19 = __VERIFIER_nondet_char() [L110] CALL assume_abort_if_not(var_1_19 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_19 >= -63) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L111] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L112] var_1_20 = __VERIFIER_nondet_char() [L113] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L114] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L115] var_1_21 = __VERIFIER_nondet_char() [L116] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L117] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L118] var_1_22 = __VERIFIER_nondet_char() [L119] CALL assume_abort_if_not(var_1_22 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=4, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_22 >= -63) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=4, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L120] CALL assume_abort_if_not(var_1_22 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=4, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_22 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=4, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L121] var_1_24 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_24 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=4, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_24 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=4, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L123] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=4, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=4, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L124] var_1_25 = __VERIFIER_nondet_uchar() [L125] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=4, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=4, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L126] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=4, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=4, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L127] var_1_26 = __VERIFIER_nondet_uchar() [L128] CALL assume_abort_if_not(var_1_26 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=4, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_26 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=4, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_6=63/2] [L129] CALL assume_abort_if_not(var_1_26 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=4, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_26 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=4, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_6=63/2] [L142] RET updateVariables() [L143] CALL step() [L46] var_1_15 = (var_1_16 - var_1_17) [L47] var_1_27 = var_1_21 [L48] unsigned char stepLocal_1 = var_1_27; [L49] unsigned char stepLocal_0 = var_1_27; [L50] COND FALSE !((var_1_27 + var_1_27) <= stepLocal_1) [L53] COND FALSE !(stepLocal_0 >= (var_1_27 * var_1_27)) [L56] var_1_1 = 1 [L59] COND FALSE !(var_1_27 < (var_1_27 - var_1_27)) [L62] unsigned char stepLocal_2 = var_1_27; [L63] COND FALSE !(var_1_27 > stepLocal_2) [L66] var_1_10 = 9.75f [L68] COND TRUE ((((var_1_27) < (var_1_27)) ? (var_1_27) : (var_1_27))) < 25u [L69] var_1_18 = (((((var_1_19) > ((var_1_20 - var_1_21))) ? (var_1_19) : ((var_1_20 - var_1_21)))) + (((((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) < 0 ) ? -((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) : ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))) [L71] signed long int stepLocal_5 = ~ var_1_21; [L72] COND TRUE \read(var_1_13) [L73] COND FALSE !(stepLocal_5 > var_1_27) [L76] COND TRUE \read(var_1_24) [L77] var_1_23 = ((! var_1_25) || var_1_26) [L81] unsigned char stepLocal_4 = var_1_18 >= var_1_27; [L82] unsigned char stepLocal_3 = var_1_27; [L83] COND TRUE var_1_23 && stepLocal_4 [L84] var_1_12 = var_1_11 [L143] RET step() [L144] CALL, EXPR property() [L134-L135] return (((((((((var_1_27 + var_1_27) <= var_1_27) ? (var_1_1 == ((signed short int) (128 + var_1_27))) : ((var_1_27 >= (var_1_27 * var_1_27)) ? (var_1_1 == ((signed short int) var_1_27)) : (var_1_1 == ((signed short int) 1)))) && ((var_1_27 < (var_1_27 - var_1_27)) ? (var_1_6 == ((double) var_1_9)) : 1)) && ((var_1_27 > var_1_27) ? (var_1_10 == ((float) (1.00000000000009E13f - var_1_11))) : (var_1_10 == ((float) 9.75f)))) && ((var_1_23 && (var_1_18 >= var_1_27)) ? (var_1_12 == ((float) var_1_11)) : ((1 >= var_1_27) ? (var_1_12 == ((float) var_1_11)) : (var_1_12 == ((float) var_1_14))))) && (var_1_15 == ((signed char) (var_1_16 - var_1_17)))) && ((((((var_1_27) < (var_1_27)) ? (var_1_27) : (var_1_27))) < 25u) ? (var_1_18 == ((signed char) (((((var_1_19) > ((var_1_20 - var_1_21))) ? (var_1_19) : ((var_1_20 - var_1_21)))) + (((((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) < 0 ) ? -((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) : ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))))) : 1)) && (var_1_13 ? (((~ var_1_21) > var_1_27) ? (var_1_23 == ((unsigned char) (var_1_24 && (! var_1_25)))) : (var_1_24 ? (var_1_23 == ((unsigned char) ((! var_1_25) || var_1_26))) : 1)) : 1)) && (var_1_27 == ((unsigned char) var_1_21)) ; [L144] RET, EXPR property() [L144] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=1, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=-63, var_1_1=1, var_1_20=0, var_1_21=2, var_1_22=4, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=2, var_1_6=63/2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=1, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=-63, var_1_1=1, var_1_20=0, var_1_21=2, var_1_22=4, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=2, var_1_6=63/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 22:20:54,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx --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 91dcb1d48bb0eca7aa2ec33a21dcdd775aa1755cb1856f7606102fe5579d2f23 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:20:56,965 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:20:57,117 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:20:57,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:20:57,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:20:57,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:20:57,177 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:20:57,178 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:20:57,179 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:20:57,185 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:20:57,185 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:20:57,186 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:20:57,187 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:20:57,189 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:20:57,189 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:20:57,190 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:20:57,191 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:20:57,191 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:20:57,191 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:20:57,193 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:20:57,193 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:20:57,194 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:20:57,194 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:20:57,194 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:20:57,195 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:20:57,195 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:20:57,196 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:20:57,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:20:57,197 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:20:57,197 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:20:57,199 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:20:57,199 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:20:57,199 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:20:57,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:20:57,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:20:57,200 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:20:57,201 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:20:57,202 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:20:57,202 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:20:57,202 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:20:57,202 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:20:57,203 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:20:57,203 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:20:57,203 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:20:57,204 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:20:57,204 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_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91dcb1d48bb0eca7aa2ec33a21dcdd775aa1755cb1856f7606102fe5579d2f23 [2023-11-21 22:20:57,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:20:57,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:20:57,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:20:57,658 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:20:57,659 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:20:57,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-1.i [2023-11-21 22:21:00,811 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:21:01,075 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:21:01,082 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-1.i [2023-11-21 22:21:01,090 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/data/a21f9f10e/7575fa1841d14b51b74308e0ada11401/FLAG0670dccc9 [2023-11-21 22:21:01,102 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/data/a21f9f10e/7575fa1841d14b51b74308e0ada11401 [2023-11-21 22:21:01,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:21:01,106 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:21:01,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:21:01,107 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:21:01,111 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:21:01,112 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:21:01" (1/1) ... [2023-11-21 22:21:01,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bda30c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:01, skipping insertion in model container [2023-11-21 22:21:01,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:21:01" (1/1) ... [2023-11-21 22:21:01,147 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:21:01,298 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_b6e32196-545d-4781-9e19-5d400811f1b2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-1.i[914,927] [2023-11-21 22:21:01,412 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:21:01,439 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:21:01,471 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_b6e32196-545d-4781-9e19-5d400811f1b2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-1.i[914,927] [2023-11-21 22:21:01,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:21:01,534 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:21:01,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:01 WrapperNode [2023-11-21 22:21:01,535 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:21:01,536 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:21:01,536 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:21:01,537 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:21:01,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:01" (1/1) ... [2023-11-21 22:21:01,573 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:01" (1/1) ... [2023-11-21 22:21:01,611 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 147 [2023-11-21 22:21:01,612 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:21:01,612 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:21:01,613 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:21:01,613 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:21:01,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:01" (1/1) ... [2023-11-21 22:21:01,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:01" (1/1) ... [2023-11-21 22:21:01,643 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:01" (1/1) ... [2023-11-21 22:21:01,657 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:21:01,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:01" (1/1) ... [2023-11-21 22:21:01,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:01" (1/1) ... [2023-11-21 22:21:01,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:01" (1/1) ... [2023-11-21 22:21:01,686 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:01" (1/1) ... [2023-11-21 22:21:01,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:01" (1/1) ... [2023-11-21 22:21:01,692 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:01" (1/1) ... [2023-11-21 22:21:01,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:21:01,715 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:21:01,716 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:21:01,716 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:21:01,717 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:01" (1/1) ... [2023-11-21 22:21:01,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:21:01,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:21:01,754 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:21:01,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:21:01,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:21:01,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:21:01,804 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:21:01,804 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:21:01,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:21:01,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:21:01,950 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:21:01,952 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:21:02,471 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:21:02,729 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:21:02,729 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:21:02,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:21:02 BoogieIcfgContainer [2023-11-21 22:21:02,731 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:21:02,733 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:21:02,733 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:21:02,736 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:21:02,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:21:01" (1/3) ... [2023-11-21 22:21:02,737 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e1abaf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:21:02, skipping insertion in model container [2023-11-21 22:21:02,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:01" (2/3) ... [2023-11-21 22:21:02,738 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e1abaf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:21:02, skipping insertion in model container [2023-11-21 22:21:02,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:21:02" (3/3) ... [2023-11-21 22:21:02,739 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-1.i [2023-11-21 22:21:02,759 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:21:02,759 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:21:02,823 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:21:02,830 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;@2b1d5e43, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:21:02,831 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:21:02,835 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-21 22:21:02,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-21 22:21:02,850 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:21:02,851 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:21:02,852 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:21:02,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:21:02,859 INFO L85 PathProgramCache]: Analyzing trace with hash 622905885, now seen corresponding path program 1 times [2023-11-21 22:21:02,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:21:02,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [511791667] [2023-11-21 22:21:02,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:21:02,875 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 [2023-11-21 22:21:02,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:21:02,880 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 22:21:02,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e32196-545d-4781-9e19-5d400811f1b2/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:21:03,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:03,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-21 22:21:03,249 INFO L285 TraceCheckSpWp]: Computing forward predicates...