./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-93.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-93.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB --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 8d967df176a3fd5ac0c12ff3bbfde8cbb01bd6c0de3c75d24920428ec3dcf217 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:48:26,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:48:26,934 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:48:26,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:48:26,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:48:26,981 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:48:26,982 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:48:26,982 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:48:26,983 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:48:26,983 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:48:26,984 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:48:26,984 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:48:26,985 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:48:26,985 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:48:26,985 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:48:26,985 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:48:26,987 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:48:26,987 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:48:26,987 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:48:26,987 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:48:26,987 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:48:26,988 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:48:26,988 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:48:26,988 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:48:26,988 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:48:26,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:48:26,988 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:48:26,988 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:48:26,989 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:48:26,989 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:48:26,989 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:48:26,989 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:48:26,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:48:26,989 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:48:26,989 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:48:26,989 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:48:26,990 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:48:26,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:48:26,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:48:26,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:48:26,990 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:48:26,991 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:48:26,991 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:48:26,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:48:26,992 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:48:26,992 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:48:26,992 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:48:26,992 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:48:26,992 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 8d967df176a3fd5ac0c12ff3bbfde8cbb01bd6c0de3c75d24920428ec3dcf217 [2024-11-28 04:48:27,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:48:27,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:48:27,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:48:27,388 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:48:27,389 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:48:27,391 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-93.i [2024-11-28 04:48:30,465 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/data/3a043e881/8625cbe35ec84c809803cab3064bf1d4/FLAG4d948558b [2024-11-28 04:48:30,717 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:48:30,718 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-93.i [2024-11-28 04:48:30,726 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/data/3a043e881/8625cbe35ec84c809803cab3064bf1d4/FLAG4d948558b [2024-11-28 04:48:30,743 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/data/3a043e881/8625cbe35ec84c809803cab3064bf1d4 [2024-11-28 04:48:30,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:48:30,747 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:48:30,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:48:30,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:48:30,754 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:48:30,755 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:48:30" (1/1) ... [2024-11-28 04:48:30,756 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b681fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:30, skipping insertion in model container [2024-11-28 04:48:30,756 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:48:30" (1/1) ... [2024-11-28 04:48:30,775 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:48:30,910 WARN L250 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_7e02d4c7-4964-43b4-a83e-7105f45c553c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-93.i[915,928] [2024-11-28 04:48:30,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:48:30,990 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:48:31,001 WARN L250 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_7e02d4c7-4964-43b4-a83e-7105f45c553c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-93.i[915,928] [2024-11-28 04:48:31,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:48:31,039 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:48:31,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:31 WrapperNode [2024-11-28 04:48:31,039 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:48:31,041 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:48:31,041 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:48:31,041 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:48:31,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:31" (1/1) ... [2024-11-28 04:48:31,055 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:31" (1/1) ... [2024-11-28 04:48:31,077 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2024-11-28 04:48:31,077 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:48:31,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:48:31,078 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:48:31,078 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:48:31,087 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:31" (1/1) ... [2024-11-28 04:48:31,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:31" (1/1) ... [2024-11-28 04:48:31,090 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:31" (1/1) ... [2024-11-28 04:48:31,103 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]. [2024-11-28 04:48:31,103 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:31" (1/1) ... [2024-11-28 04:48:31,103 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:31" (1/1) ... [2024-11-28 04:48:31,108 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:31" (1/1) ... [2024-11-28 04:48:31,110 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:31" (1/1) ... [2024-11-28 04:48:31,113 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:31" (1/1) ... [2024-11-28 04:48:31,114 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:31" (1/1) ... [2024-11-28 04:48:31,115 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:31" (1/1) ... [2024-11-28 04:48:31,121 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:48:31,122 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:48:31,122 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:48:31,122 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:48:31,123 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:31" (1/1) ... [2024-11-28 04:48:31,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:48:31,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:48:31,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:48:31,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:48:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:48:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:48:31,182 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:48:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:48:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:48:31,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:48:31,267 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:48:31,269 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:48:31,651 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-28 04:48:31,654 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:48:31,669 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:48:31,670 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 04:48:31,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:48:31 BoogieIcfgContainer [2024-11-28 04:48:31,671 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:48:31,674 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:48:31,674 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:48:31,682 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:48:31,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:48:30" (1/3) ... [2024-11-28 04:48:31,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ad26dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:48:31, skipping insertion in model container [2024-11-28 04:48:31,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:31" (2/3) ... [2024-11-28 04:48:31,685 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ad26dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:48:31, skipping insertion in model container [2024-11-28 04:48:31,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:48:31" (3/3) ... [2024-11-28 04:48:31,688 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-93.i [2024-11-28 04:48:31,706 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:48:31,710 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-93.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:48:31,789 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:48:31,807 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;@7c633a8a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:48:31,807 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:48:31,812 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 04:48:31,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-28 04:48:31,828 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:48:31,830 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:48:31,831 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:48:31,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:48:31,839 INFO L85 PathProgramCache]: Analyzing trace with hash 838903141, now seen corresponding path program 1 times [2024-11-28 04:48:31,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:48:31,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249494661] [2024-11-28 04:48:31,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:48:31,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:48:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:48:32,215 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-28 04:48:32,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:48:32,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249494661] [2024-11-28 04:48:32,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249494661] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:48:32,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437650479] [2024-11-28 04:48:32,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:48:32,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:48:32,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:48:32,226 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:48:32,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:48:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:48:32,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:48:32,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:48:32,469 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-28 04:48:32,472 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:48:32,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437650479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:48:32,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:48:32,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:48:32,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889553685] [2024-11-28 04:48:32,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:48:32,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:48:32,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:48:32,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:48:32,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:48:32,504 INFO L87 Difference]: Start difference. First operand has 55 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 04:48:32,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:48:32,535 INFO L93 Difference]: Finished difference Result 107 states and 177 transitions. [2024-11-28 04:48:32,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:48:32,537 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 114 [2024-11-28 04:48:32,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:48:32,543 INFO L225 Difference]: With dead ends: 107 [2024-11-28 04:48:32,544 INFO L226 Difference]: Without dead ends: 51 [2024-11-28 04:48:32,547 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:48:32,550 INFO L435 NwaCegarLoop]: 78 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, 78 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 [2024-11-28 04:48:32,551 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:48:32,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-28 04:48:32,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-28 04:48:32,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 04:48:32,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2024-11-28 04:48:32,611 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 114 [2024-11-28 04:48:32,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:48:32,612 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2024-11-28 04:48:32,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 04:48:32,612 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2024-11-28 04:48:32,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-28 04:48:32,616 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:48:32,616 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:48:32,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:48:32,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:48:32,818 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:48:32,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:48:32,820 INFO L85 PathProgramCache]: Analyzing trace with hash 579926309, now seen corresponding path program 1 times [2024-11-28 04:48:32,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:48:32,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632659869] [2024-11-28 04:48:32,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:48:32,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:48:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:48:33,084 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:48:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:48:33,285 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:48:33,286 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:48:33,287 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:48:33,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:48:33,294 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-28 04:48:33,392 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:48:33,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:48:33 BoogieIcfgContainer [2024-11-28 04:48:33,396 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:48:33,396 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:48:33,396 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:48:33,396 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:48:33,397 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:48:31" (3/4) ... [2024-11-28 04:48:33,398 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:48:33,399 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:48:33,400 INFO L158 Benchmark]: Toolchain (without parser) took 2652.86ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 50.2MB in the end (delta: 42.1MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2024-11-28 04:48:33,400 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:48:33,400 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.21ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 79.7MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:48:33,401 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.07ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.0MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:48:33,401 INFO L158 Benchmark]: Boogie Preprocessor took 43.37ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 76.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:48:33,401 INFO L158 Benchmark]: RCFGBuilder took 548.75ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 61.3MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:48:33,402 INFO L158 Benchmark]: TraceAbstraction took 1721.77ms. Allocated memory is still 117.4MB. Free memory was 60.7MB in the beginning and 50.2MB in the end (delta: 10.5MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-11-28 04:48:33,402 INFO L158 Benchmark]: Witness Printer took 3.10ms. Allocated memory is still 117.4MB. Free memory was 50.2MB in the beginning and 50.2MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:48:33,404 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.21ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 79.7MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.07ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.0MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.37ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 76.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 548.75ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 61.3MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1721.77ms. Allocated memory is still 117.4MB. Free memory was 60.7MB in the beginning and 50.2MB in the end (delta: 10.5MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Witness Printer took 3.10ms. Allocated memory is still 117.4MB. Free memory was 50.2MB in the beginning and 50.2MB in the end (delta: 21.1kB). 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 76, overapproximation of someBinaryFLOATComparisonOperation at line 101, overapproximation of someBinaryFLOATComparisonOperation at line 50, overapproximation of someBinaryFLOATComparisonOperation at line 57, overapproximation of someUnaryDOUBLEoperation at line 23, overapproximation of someBinaryDOUBLEComparisonOperation at line 73, overapproximation of someBinaryDOUBLEComparisonOperation at line 68, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 41, overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 101. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 255.3; [L23] double var_1_3 = -0.9; [L24] double var_1_4 = 2.6; [L25] double var_1_5 = 128.5; [L26] float var_1_7 = 1.25; [L27] unsigned char var_1_8 = 0; [L28] unsigned char var_1_9 = 1; [L29] unsigned char var_1_10 = 0; [L30] signed char var_1_11 = -1; [L31] signed char var_1_12 = -10; [L32] signed char var_1_13 = -32; [L33] signed char var_1_14 = -2; [L34] unsigned long int var_1_15 = 500; [L35] unsigned long int var_1_16 = 16; [L36] float last_1_var_1_1 = 255.3; [L37] unsigned char last_1_var_1_8 = 0; VAL [isInitial=0, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_4=13/5, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L105] isInitial = 1 [L106] FCALL initially() [L107] int k_loop; [L108] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_4=13/5, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L108] COND TRUE k_loop < 1 VAL [isInitial=1, k_loop=0, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_4=13/5, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L109] CALL updateLastVariables() [L97] last_1_var_1_1 = var_1_1 [L98] last_1_var_1_8 = var_1_8 VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_4=13/5, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L109] RET updateLastVariables() [L110] CALL updateVariables() [L67] var_1_3 = __VERIFIER_nondet_double() [L68] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_4=13/5, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_4=13/5, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L68] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_4=13/5, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L69] CALL assume_abort_if_not(var_1_3 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_4=13/5, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_4=13/5, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L69] RET assume_abort_if_not(var_1_3 != 0.0F) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_4=13/5, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L70] var_1_4 = __VERIFIER_nondet_double() [L71] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L71] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L72] var_1_5 = __VERIFIER_nondet_double() [L73] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_7=5/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_7=5/4, var_1_8=0, var_1_9=1] [L73] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_7=5/4, var_1_8=0, var_1_9=1] [L74] CALL assume_abort_if_not(var_1_5 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_7=5/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_7=5/4, var_1_8=0, var_1_9=1] [L74] RET assume_abort_if_not(var_1_5 != 0.0F) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_7=5/4, var_1_8=0, var_1_9=1] [L75] var_1_7 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L76] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L77] var_1_9 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L78] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L79] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L79] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L80] var_1_10 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L81] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L82] CALL assume_abort_if_not(var_1_10 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L82] RET assume_abort_if_not(var_1_10 <= 0) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L83] var_1_12 = __VERIFIER_nondet_char() [L84] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L84] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L85] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L85] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L86] var_1_13 = __VERIFIER_nondet_char() [L87] CALL assume_abort_if_not(var_1_13 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L87] RET assume_abort_if_not(var_1_13 >= -63) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L88] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L88] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L89] var_1_14 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L90] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L91] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L91] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L92] var_1_16 = __VERIFIER_nondet_ulong() [L93] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L93] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L94] CALL assume_abort_if_not(var_1_16 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_16=-2, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_16=-2, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L94] RET assume_abort_if_not(var_1_16 <= 4294967294) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_16=-2, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L110] RET updateVariables() [L111] CALL step() [L41] COND FALSE !(((- last_1_var_1_1) / var_1_3) != (var_1_4 / var_1_5)) [L48] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_16=-2, var_1_1=505, var_1_7=505, var_1_8=0, var_1_9=1] [L50] COND FALSE !(var_1_1 != var_1_1) [L55] var_1_8 = (! var_1_10) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_16=-2, var_1_1=505, var_1_7=505, var_1_8=1, var_1_9=1] [L57] COND FALSE !(var_1_1 < var_1_1) [L62] var_1_11 = (var_1_13 + var_1_14) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_16=-2, var_1_1=505, var_1_7=505, var_1_8=1, var_1_9=1] [L64] var_1_15 = var_1_16 VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=-2, var_1_16=-2, var_1_1=505, var_1_7=505, var_1_8=1, var_1_9=1] [L111] RET step() [L112] CALL, EXPR property() [L101-L102] return ((((((- last_1_var_1_1) / var_1_3) != (var_1_4 / var_1_5)) ? (last_1_var_1_8 ? (var_1_1 == ((float) var_1_7)) : (var_1_1 == ((float) var_1_7))) : (var_1_1 == ((float) var_1_7))) && ((var_1_1 != var_1_1) ? ((var_1_1 < (var_1_1 * 15.25)) ? (var_1_8 == ((unsigned char) (! var_1_9))) : 1) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_1 < var_1_1) ? (var_1_10 ? (var_1_11 == ((signed char) var_1_12)) : 1) : (var_1_11 == ((signed char) (var_1_13 + var_1_14))))) && (var_1_15 == ((unsigned long int) var_1_16)) ; VAL [\result=0, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=-2, var_1_16=-2, var_1_1=505, var_1_7=505, var_1_8=1, var_1_9=1] [L112] RET, EXPR property() [L112] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=-2, var_1_16=-2, var_1_1=505, var_1_7=505, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=-2, var_1_16=-2, var_1_1=505, var_1_7=505, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 78 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 342 NumberOfCodeBlocks, 342 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 226 ConstructedInterpolants, 0 QuantifiedInterpolants, 226 SizeOfPredicates, 0 NumberOfNonLiveVariables, 262 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1190/1224 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 04:48:33,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-93.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB --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 8d967df176a3fd5ac0c12ff3bbfde8cbb01bd6c0de3c75d24920428ec3dcf217 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:48:36,229 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:48:36,339 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 04:48:36,345 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:48:36,345 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:48:36,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:48:36,373 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:48:36,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:48:36,374 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:48:36,374 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:48:36,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:48:36,374 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:48:36,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:48:36,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:48:36,375 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:48:36,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:48:36,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:48:36,375 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:48:36,375 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:48:36,375 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:48:36,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:48:36,376 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:48:36,376 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:48:36,376 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:48:36,376 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:48:36,376 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:48:36,376 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:48:36,376 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:48:36,376 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:48:36,376 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:48:36,377 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:48:36,377 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:48:36,377 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:48:36,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:48:36,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:48:36,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:48:36,377 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:48:36,377 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:48:36,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:48:36,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:48:36,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:48:36,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:48:36,378 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:48:36,378 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:48:36,378 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:48:36,378 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:48:36,379 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:48:36,379 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:48:36,379 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:48:36,379 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:48:36,379 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 8d967df176a3fd5ac0c12ff3bbfde8cbb01bd6c0de3c75d24920428ec3dcf217 [2024-11-28 04:48:36,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:48:36,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:48:36,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:48:36,766 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:48:36,766 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:48:36,768 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-93.i [2024-11-28 04:48:39,829 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/data/61b2f1b72/267b906b53734beda084d9d9ba67bcb5/FLAGbcc12223e [2024-11-28 04:48:40,174 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:48:40,176 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-93.i [2024-11-28 04:48:40,191 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/data/61b2f1b72/267b906b53734beda084d9d9ba67bcb5/FLAGbcc12223e [2024-11-28 04:48:40,436 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/data/61b2f1b72/267b906b53734beda084d9d9ba67bcb5 [2024-11-28 04:48:40,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:48:40,441 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:48:40,445 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:48:40,446 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:48:40,454 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:48:40,458 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:48:40" (1/1) ... [2024-11-28 04:48:40,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36e5fa4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:40, skipping insertion in model container [2024-11-28 04:48:40,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:48:40" (1/1) ... [2024-11-28 04:48:40,484 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:48:40,677 WARN L250 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_7e02d4c7-4964-43b4-a83e-7105f45c553c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-93.i[915,928] [2024-11-28 04:48:40,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:48:40,751 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:48:40,761 WARN L250 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_7e02d4c7-4964-43b4-a83e-7105f45c553c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-93.i[915,928] [2024-11-28 04:48:40,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:48:40,808 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:48:40,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:40 WrapperNode [2024-11-28 04:48:40,809 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:48:40,810 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:48:40,811 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:48:40,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:48:40,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:40" (1/1) ... [2024-11-28 04:48:40,830 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:40" (1/1) ... [2024-11-28 04:48:40,855 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2024-11-28 04:48:40,856 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:48:40,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:48:40,857 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:48:40,857 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:48:40,867 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:40" (1/1) ... [2024-11-28 04:48:40,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:40" (1/1) ... [2024-11-28 04:48:40,871 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:40" (1/1) ... [2024-11-28 04:48:40,885 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]. [2024-11-28 04:48:40,885 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:40" (1/1) ... [2024-11-28 04:48:40,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:40" (1/1) ... [2024-11-28 04:48:40,895 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:40" (1/1) ... [2024-11-28 04:48:40,900 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:40" (1/1) ... [2024-11-28 04:48:40,909 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:40" (1/1) ... [2024-11-28 04:48:40,911 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:40" (1/1) ... [2024-11-28 04:48:40,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:40" (1/1) ... [2024-11-28 04:48:40,924 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:48:40,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:48:40,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:48:40,925 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:48:40,926 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:40" (1/1) ... [2024-11-28 04:48:40,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:48:40,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:48:40,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:48:40,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:48:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:48:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:48:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:48:41,007 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:48:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:48:41,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:48:41,111 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:48:41,114 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:48:52,325 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-28 04:48:52,326 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:48:52,340 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:48:52,340 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 04:48:52,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:48:52 BoogieIcfgContainer [2024-11-28 04:48:52,341 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:48:52,346 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:48:52,347 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:48:52,355 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:48:52,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:48:40" (1/3) ... [2024-11-28 04:48:52,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b8f623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:48:52, skipping insertion in model container [2024-11-28 04:48:52,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:40" (2/3) ... [2024-11-28 04:48:52,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b8f623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:48:52, skipping insertion in model container [2024-11-28 04:48:52,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:48:52" (3/3) ... [2024-11-28 04:48:52,360 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-93.i [2024-11-28 04:48:52,377 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:48:52,379 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-93.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:48:52,440 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:48:52,475 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;@8f06b38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:48:52,475 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:48:52,480 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 04:48:52,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-28 04:48:52,491 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:48:52,495 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:48:52,495 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:48:52,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:48:52,503 INFO L85 PathProgramCache]: Analyzing trace with hash 838903141, now seen corresponding path program 1 times [2024-11-28 04:48:52,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:48:52,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2051901278] [2024-11-28 04:48:52,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:48:52,521 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 [2024-11-28 04:48:52,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:48:52,527 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:48:52,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:48:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:48:54,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:48:54,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:48:54,636 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-28 04:48:54,638 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:48:54,641 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:48:54,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2051901278] [2024-11-28 04:48:54,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2051901278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:48:54,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:48:54,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:48:54,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499697241] [2024-11-28 04:48:54,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:48:54,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:48:54,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:48:54,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:48:54,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:48:54,670 INFO L87 Difference]: Start difference. First operand has 55 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 04:48:54,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:48:54,698 INFO L93 Difference]: Finished difference Result 106 states and 175 transitions. [2024-11-28 04:48:54,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:48:54,700 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 114 [2024-11-28 04:48:54,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:48:54,705 INFO L225 Difference]: With dead ends: 106 [2024-11-28 04:48:54,706 INFO L226 Difference]: Without dead ends: 50 [2024-11-28 04:48:54,709 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:48:54,712 INFO L435 NwaCegarLoop]: 75 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, 75 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 [2024-11-28 04:48:54,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:48:54,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-28 04:48:54,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-28 04:48:54,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 30 states have internal predecessors, (35), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 04:48:54,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2024-11-28 04:48:54,760 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 114 [2024-11-28 04:48:54,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:48:54,761 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2024-11-28 04:48:54,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 04:48:54,762 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2024-11-28 04:48:54,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-28 04:48:54,765 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:48:54,765 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:48:54,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 04:48:54,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:48:54,967 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:48:54,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:48:54,968 INFO L85 PathProgramCache]: Analyzing trace with hash 579926309, now seen corresponding path program 1 times [2024-11-28 04:48:54,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:48:54,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [711326087] [2024-11-28 04:48:54,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:48:54,969 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 [2024-11-28 04:48:54,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:48:54,972 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:48:54,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-28 04:48:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:48:56,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 04:48:56,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:49:35,852 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 267 proven. 36 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2024-11-28 04:49:35,852 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:49:51,124 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-28 04:49:51,125 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:49:51,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [711326087] [2024-11-28 04:49:51,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [711326087] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 04:49:51,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:49:51,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-11-28 04:49:51,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526906993] [2024-11-28 04:49:51,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:49:51,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:49:51,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:49:51,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:49:51,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-11-28 04:49:51,129 INFO L87 Difference]: Start difference. First operand 50 states and 71 transitions. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 04:49:56,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:50:00,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:50:04,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:50:06,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:50:09,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:50:09,709 INFO L93 Difference]: Finished difference Result 88 states and 117 transitions. [2024-11-28 04:50:09,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:50:09,710 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 114 [2024-11-28 04:50:09,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:50:09,714 INFO L225 Difference]: With dead ends: 88 [2024-11-28 04:50:09,714 INFO L226 Difference]: Without dead ends: 86 [2024-11-28 04:50:09,714 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:50:09,715 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 63 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 12 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:50:09,716 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 362 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 86 Invalid, 3 Unknown, 0 Unchecked, 17.5s Time] [2024-11-28 04:50:09,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-28 04:50:09,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 69. [2024-11-28 04:50:09,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 43 states have (on average 1.1162790697674418) internal successors, (48), 44 states have internal predecessors, (48), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-28 04:50:09,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 94 transitions. [2024-11-28 04:50:09,737 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 94 transitions. Word has length 114 [2024-11-28 04:50:09,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:50:09,738 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 94 transitions. [2024-11-28 04:50:09,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 04:50:09,738 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 94 transitions. [2024-11-28 04:50:09,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-28 04:50:09,740 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:50:09,741 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:50:09,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-28 04:50:09,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:50:09,941 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:50:09,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:50:09,944 INFO L85 PathProgramCache]: Analyzing trace with hash -746555504, now seen corresponding path program 1 times [2024-11-28 04:50:09,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:50:09,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1884486066] [2024-11-28 04:50:09,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:50:09,944 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 [2024-11-28 04:50:09,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:50:09,947 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:50:09,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/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 (4)] Waiting until timeout for monitored process [2024-11-28 04:50:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:50:11,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:50:11,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:50:23,052 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 15 proven. 288 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2024-11-28 04:50:23,052 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:50:26,277 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 15 proven. 36 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-28 04:50:26,278 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:50:26,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1884486066] [2024-11-28 04:50:26,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1884486066] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:50:26,278 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:50:26,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-28 04:50:26,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692759778] [2024-11-28 04:50:26,278 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:50:26,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 04:50:26,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:50:26,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 04:50:26,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:50:26,282 INFO L87 Difference]: Start difference. First operand 69 states and 94 transitions. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 4 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2024-11-28 04:50:36,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:50:40,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:50:44,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:50:48,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:50:52,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:50:56,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:50:58,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:50:58,327 INFO L93 Difference]: Finished difference Result 123 states and 166 transitions. [2024-11-28 04:50:58,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:50:58,338 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 4 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 115 [2024-11-28 04:50:58,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:50:58,339 INFO L225 Difference]: With dead ends: 123 [2024-11-28 04:50:58,340 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 04:50:58,341 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2024-11-28 04:50:58,341 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 131 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 138 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:50:58,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 76 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 116 Invalid, 6 Unknown, 0 Unchecked, 29.4s Time] [2024-11-28 04:50:58,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 04:50:58,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 04:50:58,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:50:58,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 04:50:58,344 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 115 [2024-11-28 04:50:58,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:50:58,345 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:50:58,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 4 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2024-11-28 04:50:58,345 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 04:50:58,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 04:50:58,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:50:58,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/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 (4)] Ended with exit code 0 [2024-11-28 04:50:58,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:50:58,551 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-28 04:50:58,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 04:51:18,109 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:51:18,127 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-28 04:51:18,128 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-28 04:51:18,128 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-28 04:51:18,128 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-28 04:51:18,129 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-28 04:51:18,129 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-28 04:51:18,129 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-28 04:51:18,129 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-28 04:51:18,130 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-28 04:51:18,130 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-28 04:51:18,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:51:18 BoogieIcfgContainer [2024-11-28 04:51:18,130 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:51:18,134 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:51:18,134 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:51:18,135 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:51:18,135 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:48:52" (3/4) ... [2024-11-28 04:51:18,138 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:51:18,146 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-28 04:51:18,153 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-28 04:51:18,153 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 04:51:18,153 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 04:51:18,154 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:51:18,247 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:51:18,247 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:51:18,247 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:51:18,249 INFO L158 Benchmark]: Toolchain (without parser) took 157806.92ms. Allocated memory was 83.9MB in the beginning and 520.1MB in the end (delta: 436.2MB). Free memory was 60.2MB in the beginning and 396.2MB in the end (delta: -336.1MB). Peak memory consumption was 99.5MB. Max. memory is 16.1GB. [2024-11-28 04:51:18,250 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:51:18,251 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.23ms. Allocated memory is still 83.9MB. Free memory was 59.9MB in the beginning and 46.6MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:51:18,251 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.71ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 44.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:51:18,252 INFO L158 Benchmark]: Boogie Preprocessor took 67.07ms. Allocated memory is still 83.9MB. Free memory was 44.9MB in the beginning and 42.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:51:18,252 INFO L158 Benchmark]: RCFGBuilder took 11416.47ms. Allocated memory is still 83.9MB. Free memory was 42.7MB in the beginning and 27.8MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:51:18,252 INFO L158 Benchmark]: TraceAbstraction took 145784.05ms. Allocated memory was 83.9MB in the beginning and 520.1MB in the end (delta: 436.2MB). Free memory was 27.2MB in the beginning and 404.3MB in the end (delta: -377.1MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2024-11-28 04:51:18,253 INFO L158 Benchmark]: Witness Printer took 113.19ms. Allocated memory is still 520.1MB. Free memory was 404.3MB in the beginning and 396.2MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:51:18,255 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.23ms. Allocated memory is still 83.9MB. Free memory was 59.9MB in the beginning and 46.6MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.71ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 44.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 67.07ms. Allocated memory is still 83.9MB. Free memory was 44.9MB in the beginning and 42.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 11416.47ms. Allocated memory is still 83.9MB. Free memory was 42.7MB in the beginning and 27.8MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 145784.05ms. Allocated memory was 83.9MB in the beginning and 520.1MB in the end (delta: 436.2MB). Free memory was 27.2MB in the beginning and 404.3MB in the end (delta: -377.1MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. * Witness Printer took 113.19ms. Allocated memory is still 520.1MB. Free memory was 404.3MB in the beginning and 396.2MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 126.1s, OverallIterations: 3, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 50.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 194 SdHoareTripleChecker+Valid, 46.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 194 mSDsluCounter, 513 SdHoareTripleChecker+Invalid, 46.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 318 mSDsCounter, 150 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 202 IncrementalHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 150 mSolverCounterUnsat, 195 mSDtfsCounter, 202 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 577 GetRequests, 544 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 11.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=2, InterpolantAutomatonStates: 19, 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, 3 MinimizatonAttempts, 17 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 5.3s SatisfiabilityAnalysisTime, 69.0s InterpolantComputationTime, 343 NumberOfCodeBlocks, 343 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 567 ConstructedInterpolants, 0 QuantifiedInterpolants, 4336 SizeOfPredicates, 19 NumberOfNonLiveVariables, 555 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 2700/3060 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 04:51:18,471 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-28 04:51:18,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e02d4c7-4964-43b4-a83e-7105f45c553c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE