./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-91.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU --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 fcc09d49231b686aa277ecab6a7e97333755471ed05bf82f2888dada5ad54255 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:07:08,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:07:08,739 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:07:08,746 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:07:08,749 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:07:08,779 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:07:08,781 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:07:08,782 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:07:08,782 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:07:08,783 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:07:08,784 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:07:08,784 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:07:08,785 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:07:08,787 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:07:08,788 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:07:08,789 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:07:08,789 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:07:08,789 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:07:08,790 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:07:08,790 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:07:08,790 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:07:08,791 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:07:08,791 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:07:08,791 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:07:08,792 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:07:08,792 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:07:08,792 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:07:08,793 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:07:08,795 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:07:08,795 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:07:08,795 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:07:08,796 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:07:08,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:07:08,796 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:07:08,797 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:07:08,797 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:07:08,797 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:07:08,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:07:08,798 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:07:08,798 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:07:08,799 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:07:08,799 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:07:08,799 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_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcc09d49231b686aa277ecab6a7e97333755471ed05bf82f2888dada5ad54255 [2024-10-31 22:07:09,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:07:09,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:07:09,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:07:09,144 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:07:09,147 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:07:09,149 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-91.i Unable to find full path for "g++" [2024-10-31 22:07:11,210 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:07:11,409 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:07:11,410 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-91.i [2024-10-31 22:07:11,419 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/data/6d19ad34c/5b9ae74ef6ad42ce8d403306c562a244/FLAGed9a4971c [2024-10-31 22:07:11,436 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/data/6d19ad34c/5b9ae74ef6ad42ce8d403306c562a244 [2024-10-31 22:07:11,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:07:11,440 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:07:11,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:07:11,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:07:11,448 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:07:11,449 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:07:11" (1/1) ... [2024-10-31 22:07:11,453 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c0e2e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:11, skipping insertion in model container [2024-10-31 22:07:11,453 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:07:11" (1/1) ... [2024-10-31 22:07:11,477 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:07:11,672 WARN L251 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_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-91.i[915,928] [2024-10-31 22:07:11,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:07:11,736 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:07:11,746 WARN L251 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_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-91.i[915,928] [2024-10-31 22:07:11,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:07:11,795 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:07:11,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:11 WrapperNode [2024-10-31 22:07:11,796 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:07:11,796 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:07:11,797 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:07:11,797 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:07:11,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:11" (1/1) ... [2024-10-31 22:07:11,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:11" (1/1) ... [2024-10-31 22:07:11,842 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2024-10-31 22:07:11,843 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:07:11,843 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:07:11,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:07:11,844 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:07:11,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:11" (1/1) ... [2024-10-31 22:07:11,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:11" (1/1) ... [2024-10-31 22:07:11,860 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:11" (1/1) ... [2024-10-31 22:07:11,875 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:07:11,875 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:11" (1/1) ... [2024-10-31 22:07:11,875 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:11" (1/1) ... [2024-10-31 22:07:11,889 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:11" (1/1) ... [2024-10-31 22:07:11,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:11" (1/1) ... [2024-10-31 22:07:11,897 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:11" (1/1) ... [2024-10-31 22:07:11,898 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:11" (1/1) ... [2024-10-31 22:07:11,901 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:07:11,902 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:07:11,902 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:07:11,902 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:07:11,903 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:11" (1/1) ... [2024-10-31 22:07:11,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:07:11,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:11,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:11,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:07:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:07:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:07:11,987 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:07:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:07:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:07:11,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:07:12,088 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:07:12,093 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:07:12,588 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-10-31 22:07:12,588 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:07:12,607 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:07:12,607 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:07:12,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:07:12 BoogieIcfgContainer [2024-10-31 22:07:12,608 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:07:12,612 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:07:12,613 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:07:12,616 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:07:12,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:07:11" (1/3) ... [2024-10-31 22:07:12,618 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@509ac2d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:07:12, skipping insertion in model container [2024-10-31 22:07:12,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:11" (2/3) ... [2024-10-31 22:07:12,619 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@509ac2d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:07:12, skipping insertion in model container [2024-10-31 22:07:12,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:07:12" (3/3) ... [2024-10-31 22:07:12,622 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-91.i [2024-10-31 22:07:12,642 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:07:12,642 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:07:12,731 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:07:12,741 INFO L333 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, 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;@62f206d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:07:12,741 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:07:12,746 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 43 states have internal predecessors, (60), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-31 22:07:12,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-31 22:07:12,761 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:07:12,762 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:12,763 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:07:12,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:12,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1273797857, now seen corresponding path program 1 times [2024-10-31 22:07:12,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:12,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524378760] [2024-10-31 22:07:12,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:12,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:13,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:07:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:13,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:07:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:13,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:07:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:13,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:07:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:13,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:07:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:13,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:07:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:13,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:07:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:13,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:07:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:13,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:07:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:13,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-31 22:07:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:13,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:07:13,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:13,258 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-31 22:07:13,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:13,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524378760] [2024-10-31 22:07:13,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524378760] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:13,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:13,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:07:13,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594961898] [2024-10-31 22:07:13,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:13,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:07:13,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:13,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:07:13,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:07:13,335 INFO L87 Difference]: Start difference. First operand has 56 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 43 states have internal predecessors, (60), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-31 22:07:13,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:07:13,385 INFO L93 Difference]: Finished difference Result 109 states and 172 transitions. [2024-10-31 22:07:13,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:07:13,392 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 75 [2024-10-31 22:07:13,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:07:13,412 INFO L225 Difference]: With dead ends: 109 [2024-10-31 22:07:13,416 INFO L226 Difference]: Without dead ends: 52 [2024-10-31 22:07:13,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:07:13,435 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:07:13,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:07:13,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-10-31 22:07:13,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-10-31 22:07:13,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 39 states have (on average 1.358974358974359) internal successors, (53), 39 states have internal predecessors, (53), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-31 22:07:13,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2024-10-31 22:07:13,552 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 75 [2024-10-31 22:07:13,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:07:13,552 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2024-10-31 22:07:13,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-31 22:07:13,553 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2024-10-31 22:07:13,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-31 22:07:13,558 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:07:13,558 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:13,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:07:13,559 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:07:13,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:13,562 INFO L85 PathProgramCache]: Analyzing trace with hash -869786657, now seen corresponding path program 1 times [2024-10-31 22:07:13,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:13,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649989692] [2024-10-31 22:07:13,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:13,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:07:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:07:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:07:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:07:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:07:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:07:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:07:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:07:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:07:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-31 22:07:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:07:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,199 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-31 22:07:15,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:15,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649989692] [2024-10-31 22:07:15,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649989692] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:15,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:15,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:07:15,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51684459] [2024-10-31 22:07:15,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:15,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:07:15,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:15,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:07:15,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:07:15,204 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-10-31 22:07:20,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-31 22:07:24,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-31 22:07:25,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:07:25,049 INFO L93 Difference]: Finished difference Result 162 states and 230 transitions. [2024-10-31 22:07:25,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:07:25,049 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 75 [2024-10-31 22:07:25,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:07:25,052 INFO L225 Difference]: With dead ends: 162 [2024-10-31 22:07:25,052 INFO L226 Difference]: Without dead ends: 113 [2024-10-31 22:07:25,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:07:25,054 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 93 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2024-10-31 22:07:25,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 299 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 88 Invalid, 2 Unknown, 0 Unchecked, 9.6s Time] [2024-10-31 22:07:25,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-10-31 22:07:25,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 55. [2024-10-31 22:07:25,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 42 states have internal predecessors, (57), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-31 22:07:25,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2024-10-31 22:07:25,073 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 75 [2024-10-31 22:07:25,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:07:25,074 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2024-10-31 22:07:25,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-10-31 22:07:25,075 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2024-10-31 22:07:25,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-31 22:07:25,076 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:07:25,077 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:25,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:07:25,077 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:07:25,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:25,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1679133283, now seen corresponding path program 1 times [2024-10-31 22:07:25,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:25,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580137464] [2024-10-31 22:07:25,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:25,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:07:25,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1703180959] [2024-10-31 22:07:25,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:25,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:07:25,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:25,130 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:07:25,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:07:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:25,249 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:25,340 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:25,340 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:07:25,341 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:07:25,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:07:25,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:07:25,549 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-31 22:07:25,637 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:07:25,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:07:25 BoogieIcfgContainer [2024-10-31 22:07:25,642 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:07:25,642 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:07:25,643 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:07:25,643 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:07:25,644 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:07:12" (3/4) ... [2024-10-31 22:07:25,647 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:07:25,651 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:07:25,652 INFO L158 Benchmark]: Toolchain (without parser) took 14212.35ms. Allocated memory is still 146.8MB. Free memory was 108.7MB in the beginning and 99.2MB in the end (delta: 9.6MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-10-31 22:07:25,653 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 100.7MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:07:25,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.40ms. Allocated memory is still 146.8MB. Free memory was 108.2MB in the beginning and 94.1MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:07:25,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.43ms. Allocated memory is still 146.8MB. Free memory was 94.1MB in the beginning and 92.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:07:25,655 INFO L158 Benchmark]: Boogie Preprocessor took 57.81ms. Allocated memory is still 146.8MB. Free memory was 92.0MB in the beginning and 89.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:07:25,655 INFO L158 Benchmark]: RCFGBuilder took 706.37ms. Allocated memory is still 146.8MB. Free memory was 89.3MB in the beginning and 72.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-31 22:07:25,660 INFO L158 Benchmark]: TraceAbstraction took 13029.47ms. Allocated memory is still 146.8MB. Free memory was 71.9MB in the beginning and 99.2MB in the end (delta: -27.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:07:25,660 INFO L158 Benchmark]: Witness Printer took 9.14ms. Allocated memory is still 146.8MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:07:25,663 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 100.7MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.40ms. Allocated memory is still 146.8MB. Free memory was 108.2MB in the beginning and 94.1MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.43ms. Allocated memory is still 146.8MB. Free memory was 94.1MB in the beginning and 92.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.81ms. Allocated memory is still 146.8MB. Free memory was 92.0MB in the beginning and 89.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 706.37ms. Allocated memory is still 146.8MB. Free memory was 89.3MB in the beginning and 72.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 13029.47ms. Allocated memory is still 146.8MB. Free memory was 71.9MB in the beginning and 99.2MB in the end (delta: -27.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.14ms. Allocated memory is still 146.8MB. Free memory is still 99.2MB. 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 someBinaryFLOATComparisonOperation at line 86. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 100000000; [L23] signed short int var_1_5 = 1; [L24] signed short int var_1_8 = -128; [L25] signed short int var_1_9 = 1; [L26] float var_1_10 = 25.8; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 1; [L29] float var_1_13 = 16.45; [L30] unsigned long int var_1_14 = 200; [L31] unsigned short int var_1_15 = 32; [L32] unsigned short int var_1_16 = 256; VAL [isInitial=0, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-128, var_1_9=1] [L90] isInitial = 1 [L91] FCALL initially() [L92] int k_loop; [L93] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-128, var_1_9=1] [L93] COND TRUE k_loop < 1 [L94] FCALL updateLastVariables() [L95] CALL updateVariables() [L65] var_1_8 = __VERIFIER_nondet_short() [L66] CALL assume_abort_if_not(var_1_8 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=1] [L66] RET assume_abort_if_not(var_1_8 >= -32767) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=1] [L67] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=1] [L67] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=1] [L68] var_1_9 = __VERIFIER_nondet_short() [L69] CALL assume_abort_if_not(var_1_9 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L69] RET assume_abort_if_not(var_1_9 >= -32767) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L70] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L70] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L71] var_1_11 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L72] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=129/5, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L73] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L73] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L74] var_1_12 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L75] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L76] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L76] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L77] var_1_13 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L78] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L79] var_1_16 = __VERIFIER_nondet_ushort() [L80] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=200, var_1_15=32, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=200, var_1_15=32, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L80] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=200, var_1_15=32, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L81] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=-65533, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=-65533, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L81] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=-65533, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L95] RET updateVariables() [L96] CALL step() [L36] var_1_15 = var_1_16 [L37] var_1_14 = var_1_15 VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=3, var_1_15=-65533, var_1_16=-65533, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L38] COND FALSE !(\read(var_1_11)) [L49] var_1_10 = var_1_13 VAL [isInitial=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=3, var_1_15=-65533, var_1_16=-65533, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L51] COND FALSE !(var_1_10 >= 50.4f) VAL [isInitial=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=3, var_1_15=-65533, var_1_16=-65533, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L54] COND FALSE !(var_1_15 == (var_1_14 * var_1_15)) [L61] var_1_5 = var_1_8 VAL [isInitial=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=3, var_1_15=-65533, var_1_16=-65533, var_1_1=100000000, var_1_5=0, var_1_8=0, var_1_9=0] [L96] RET step() [L97] CALL, EXPR property() [L86] EXPR (((var_1_10 >= 50.4f) ? (var_1_1 == ((unsigned long int) ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) : 1) && ((var_1_15 == (var_1_14 * var_1_15)) ? ((var_1_10 >= (var_1_10 + var_1_10)) ? (var_1_5 == ((signed short int) ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_5 == ((signed short int) var_1_8))) : (var_1_5 == ((signed short int) var_1_8)))) && (var_1_11 ? (var_1_12 ? (((var_1_15 & var_1_14) == var_1_15) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_13))) : (var_1_10 == ((float) var_1_13))) : (var_1_10 == ((float) var_1_13))) VAL [isInitial=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=3, var_1_15=-65533, var_1_16=-65533, var_1_1=100000000, var_1_5=0, var_1_8=0, var_1_9=0] [L86-L87] return (((((var_1_10 >= 50.4f) ? (var_1_1 == ((unsigned long int) ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) : 1) && ((var_1_15 == (var_1_14 * var_1_15)) ? ((var_1_10 >= (var_1_10 + var_1_10)) ? (var_1_5 == ((signed short int) ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_5 == ((signed short int) var_1_8))) : (var_1_5 == ((signed short int) var_1_8)))) && (var_1_11 ? (var_1_12 ? (((var_1_15 & var_1_14) == var_1_15) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_13))) : (var_1_10 == ((float) var_1_13))) : (var_1_10 == ((float) var_1_13)))) && (var_1_14 == ((unsigned long int) var_1_15))) && (var_1_15 == ((unsigned short int) var_1_16)) ; [L97] RET, EXPR property() [L97] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=3, var_1_15=-65533, var_1_16=-65533, var_1_1=100000000, var_1_5=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=3, var_1_15=-65533, var_1_16=-65533, var_1_1=100000000, var_1_5=0, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.8s, OverallIterations: 3, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 93 SdHoareTripleChecker+Valid, 9.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 93 mSDsluCounter, 378 SdHoareTripleChecker+Invalid, 9.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 185 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 88 IncrementalHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 193 mSDtfsCounter, 88 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, InterpolantAutomatonStates: 7, 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, 2 MinimizatonAttempts, 58 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 300 NumberOfCodeBlocks, 300 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 177 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 440/440 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 [2024-10-31 22:07:25,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU --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 fcc09d49231b686aa277ecab6a7e97333755471ed05bf82f2888dada5ad54255 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:07:28,675 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:07:28,782 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 22:07:28,789 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:07:28,790 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:07:28,832 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:07:28,832 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:07:28,833 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:07:28,836 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:07:28,836 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:07:28,837 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:07:28,838 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:07:28,839 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:07:28,841 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:07:28,842 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:07:28,842 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:07:28,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:07:28,843 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:07:28,843 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:07:28,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:07:28,844 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:07:28,848 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:07:28,849 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:07:28,849 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:07:28,849 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:07:28,850 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:07:28,850 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:07:28,851 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:07:28,851 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:07:28,851 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:07:28,852 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:07:28,852 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:07:28,852 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:07:28,853 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:07:28,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:07:28,853 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:07:28,854 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:07:28,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:07:28,854 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:07:28,855 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:07:28,855 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:07:28,857 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:07:28,857 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:07:28,857 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:07:28,858 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:07:28,859 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_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcc09d49231b686aa277ecab6a7e97333755471ed05bf82f2888dada5ad54255 [2024-10-31 22:07:29,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:07:29,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:07:29,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:07:29,371 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:07:29,371 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:07:29,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-91.i Unable to find full path for "g++" [2024-10-31 22:07:31,555 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:07:31,881 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:07:31,882 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-91.i [2024-10-31 22:07:31,892 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/data/7150e112d/e02aface1064475f9cdc5266afb18213/FLAG016fb4dfa [2024-10-31 22:07:31,914 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/data/7150e112d/e02aface1064475f9cdc5266afb18213 [2024-10-31 22:07:31,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:07:31,919 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:07:31,922 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:07:31,923 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:07:31,930 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:07:31,930 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:07:31" (1/1) ... [2024-10-31 22:07:31,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12a9b715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:31, skipping insertion in model container [2024-10-31 22:07:31,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:07:31" (1/1) ... [2024-10-31 22:07:31,968 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:07:32,201 WARN L251 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_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-91.i[915,928] [2024-10-31 22:07:32,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:07:32,258 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:07:32,272 WARN L251 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_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-91.i[915,928] [2024-10-31 22:07:32,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:07:32,315 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:07:32,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:32 WrapperNode [2024-10-31 22:07:32,316 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:07:32,317 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:07:32,317 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:07:32,317 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:07:32,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:32" (1/1) ... [2024-10-31 22:07:32,336 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:32" (1/1) ... [2024-10-31 22:07:32,360 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 95 [2024-10-31 22:07:32,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:07:32,361 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:07:32,361 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:07:32,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:07:32,374 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:32" (1/1) ... [2024-10-31 22:07:32,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:32" (1/1) ... [2024-10-31 22:07:32,379 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:32" (1/1) ... [2024-10-31 22:07:32,424 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:07:32,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:32" (1/1) ... [2024-10-31 22:07:32,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:32" (1/1) ... [2024-10-31 22:07:32,443 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:32" (1/1) ... [2024-10-31 22:07:32,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:32" (1/1) ... [2024-10-31 22:07:32,456 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:32" (1/1) ... [2024-10-31 22:07:32,464 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:32" (1/1) ... [2024-10-31 22:07:32,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:07:32,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:07:32,477 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:07:32,477 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:07:32,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:32" (1/1) ... [2024-10-31 22:07:32,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:07:32,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:32,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:32,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:07:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:07:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:07:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:07:32,581 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:07:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:07:32,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:07:32,670 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:07:32,673 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:07:33,153 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-10-31 22:07:33,153 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:07:33,170 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:07:33,171 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:07:33,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:07:33 BoogieIcfgContainer [2024-10-31 22:07:33,171 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:07:33,175 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:07:33,176 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:07:33,179 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:07:33,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:07:31" (1/3) ... [2024-10-31 22:07:33,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1edd9671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:07:33, skipping insertion in model container [2024-10-31 22:07:33,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:32" (2/3) ... [2024-10-31 22:07:33,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1edd9671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:07:33, skipping insertion in model container [2024-10-31 22:07:33,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:07:33" (3/3) ... [2024-10-31 22:07:33,184 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-91.i [2024-10-31 22:07:33,204 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:07:33,204 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:07:33,290 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:07:33,299 INFO L333 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, 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;@3b5c52e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:07:33,299 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:07:33,304 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-31 22:07:33,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-31 22:07:33,317 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:07:33,318 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:33,318 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:07:33,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:33,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1207946495, now seen corresponding path program 1 times [2024-10-31 22:07:33,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:07:33,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1256307026] [2024-10-31 22:07:33,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:33,345 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 [2024-10-31 22:07:33,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:07:33,349 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:07:33,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49bc0bf-ccec-462e-ae6c-2d4af63ea627/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:07:33,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:33,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-31 22:07:33,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:38,084 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-10-31 22:07:38,084 INFO L311 TraceCheckSpWp]: Computing backward predicates...