./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-80.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC --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 8e71cde4c3ce759247922c8d73cd0482952aedbfd0a1826f55f8bb77593825aa --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:28:08,527 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:28:08,611 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 18:28:08,616 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:28:08,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:28:08,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:28:08,642 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:28:08,643 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:28:08,643 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:28:08,644 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:28:08,644 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:28:08,644 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:28:08,645 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:28:08,645 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:28:08,646 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:28:08,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:28:08,646 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:28:08,646 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:28:08,646 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:28:08,647 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:28:08,647 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:28:08,647 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:28:08,647 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:28:08,648 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:28:08,648 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:28:08,648 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:28:08,648 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:28:08,648 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:28:08,648 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:28:08,648 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:28:08,649 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:28:08,649 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:28:08,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:28:08,649 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:28:08,649 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:28:08,650 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:28:08,650 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:28:08,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:28:08,651 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:28:08,651 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:28:08,651 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:28:08,651 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:28:08,651 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:28:08,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:28:08,651 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:28:08,651 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:28:08,651 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:28:08,652 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:28:08,652 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_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC 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 -> 8e71cde4c3ce759247922c8d73cd0482952aedbfd0a1826f55f8bb77593825aa [2024-11-23 18:28:08,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:28:08,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:28:08,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:28:08,982 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:28:08,982 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:28:08,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-80.i [2024-11-23 18:28:12,142 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/data/750d2466a/3037fc9f7bbe4fb78bcb2eb34d0c6242/FLAGb8f087ffe [2024-11-23 18:28:12,435 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:28:12,436 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-80.i [2024-11-23 18:28:12,443 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/data/750d2466a/3037fc9f7bbe4fb78bcb2eb34d0c6242/FLAGb8f087ffe [2024-11-23 18:28:12,459 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/data/750d2466a/3037fc9f7bbe4fb78bcb2eb34d0c6242 [2024-11-23 18:28:12,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:28:12,463 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:28:12,464 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:28:12,464 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:28:12,469 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:28:12,470 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:28:12" (1/1) ... [2024-11-23 18:28:12,471 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53bd0573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:12, skipping insertion in model container [2024-11-23 18:28:12,471 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:28:12" (1/1) ... [2024-11-23 18:28:12,492 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:28:12,672 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_eea0112d-31f8-4726-9295-c1eeebd63997/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-80.i[915,928] [2024-11-23 18:28:12,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:28:12,762 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:28:12,780 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_eea0112d-31f8-4726-9295-c1eeebd63997/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-80.i[915,928] [2024-11-23 18:28:12,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:28:12,849 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:28:12,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:12 WrapperNode [2024-11-23 18:28:12,852 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:28:12,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:28:12,854 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:28:12,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:28:12,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:12" (1/1) ... [2024-11-23 18:28:12,880 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:12" (1/1) ... [2024-11-23 18:28:12,919 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 128 [2024-11-23 18:28:12,920 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:28:12,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:28:12,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:28:12,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:28:12,933 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:12" (1/1) ... [2024-11-23 18:28:12,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:12" (1/1) ... [2024-11-23 18:28:12,935 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:12" (1/1) ... [2024-11-23 18:28:12,950 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]. [2024-11-23 18:28:12,950 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:12" (1/1) ... [2024-11-23 18:28:12,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:12" (1/1) ... [2024-11-23 18:28:12,956 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:12" (1/1) ... [2024-11-23 18:28:12,957 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:12" (1/1) ... [2024-11-23 18:28:12,961 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:12" (1/1) ... [2024-11-23 18:28:12,963 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:12" (1/1) ... [2024-11-23 18:28:12,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:12" (1/1) ... [2024-11-23 18:28:12,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:28:12,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:28:12,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:28:12,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:28:12,970 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:12" (1/1) ... [2024-11-23 18:28:12,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:28:12,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:28:13,010 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:28:13,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:28:13,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:28:13,045 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 18:28:13,045 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 18:28:13,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 18:28:13,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:28:13,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:28:13,132 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:28:13,134 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:28:13,447 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-23 18:28:13,447 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:28:13,459 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:28:13,459 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 18:28:13,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:28:13 BoogieIcfgContainer [2024-11-23 18:28:13,460 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:28:13,463 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:28:13,463 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:28:13,468 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:28:13,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:28:12" (1/3) ... [2024-11-23 18:28:13,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77f6a81c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:28:13, skipping insertion in model container [2024-11-23 18:28:13,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:12" (2/3) ... [2024-11-23 18:28:13,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77f6a81c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:28:13, skipping insertion in model container [2024-11-23 18:28:13,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:28:13" (3/3) ... [2024-11-23 18:28:13,472 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-80.i [2024-11-23 18:28:13,491 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:28:13,493 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-80.i that has 2 procedures, 60 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 18:28:13,567 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:28:13,581 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;@2558b4fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:28:13,581 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:28:13,586 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-23 18:28:13,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-23 18:28:13,603 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:28:13,604 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:28:13,605 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:28:13,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:28:13,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1074696616, now seen corresponding path program 1 times [2024-11-23 18:28:13,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:28:13,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927628291] [2024-11-23 18:28:13,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:28:13,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:28:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:28:14,012 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-11-23 18:28:14,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:28:14,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927628291] [2024-11-23 18:28:14,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927628291] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:28:14,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011178043] [2024-11-23 18:28:14,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:28:14,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:28:14,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:28:14,020 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:28:14,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 18:28:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:28:14,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 18:28:14,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:28:14,340 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-11-23 18:28:14,342 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:28:14,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011178043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:28:14,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:28:14,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 18:28:14,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402374167] [2024-11-23 18:28:14,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:28:14,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 18:28:14,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:28:14,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 18:28:14,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:28:14,377 INFO L87 Difference]: Start difference. First operand has 60 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-23 18:28:14,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:28:14,403 INFO L93 Difference]: Finished difference Result 113 states and 196 transitions. [2024-11-23 18:28:14,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 18:28:14,405 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 135 [2024-11-23 18:28:14,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:28:14,413 INFO L225 Difference]: With dead ends: 113 [2024-11-23 18:28:14,413 INFO L226 Difference]: Without dead ends: 56 [2024-11-23 18:28:14,417 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:28:14,420 INFO L435 NwaCegarLoop]: 83 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, 83 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 [2024-11-23 18:28:14,421 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:28:14,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-23 18:28:14,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-23 18:28:14,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-23 18:28:14,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 83 transitions. [2024-11-23 18:28:14,504 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 83 transitions. Word has length 135 [2024-11-23 18:28:14,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:28:14,506 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 83 transitions. [2024-11-23 18:28:14,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-23 18:28:14,506 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 83 transitions. [2024-11-23 18:28:14,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-23 18:28:14,511 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:28:14,512 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:28:14,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 18:28:14,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 18:28:14,717 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:28:14,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:28:14,718 INFO L85 PathProgramCache]: Analyzing trace with hash -989170140, now seen corresponding path program 1 times [2024-11-23 18:28:14,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:28:14,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492623796] [2024-11-23 18:28:14,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:28:14,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:28:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 18:28:15,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [320105136] [2024-11-23 18:28:15,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:28:15,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:28:15,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:28:15,035 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:28:15,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 18:28:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:28:15,221 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:28:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:28:15,385 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 18:28:15,385 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 18:28:15,387 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 18:28:15,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 18:28:15,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:28:15,594 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-23 18:28:15,734 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 18:28:15,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:28:15 BoogieIcfgContainer [2024-11-23 18:28:15,741 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 18:28:15,744 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 18:28:15,744 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 18:28:15,745 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 18:28:15,745 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:28:13" (3/4) ... [2024-11-23 18:28:15,748 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 18:28:15,750 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 18:28:15,752 INFO L158 Benchmark]: Toolchain (without parser) took 3288.56ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 78.3MB in the end (delta: 39.1MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2024-11-23 18:28:15,752 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:28:15,753 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.53ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 104.7MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:28:15,754 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.66ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 102.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:28:15,754 INFO L158 Benchmark]: Boogie Preprocessor took 44.25ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 101.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:28:15,755 INFO L158 Benchmark]: RCFGBuilder took 492.28ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 86.0MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 18:28:15,756 INFO L158 Benchmark]: TraceAbstraction took 2280.75ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 78.4MB in the end (delta: 7.1MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-11-23 18:28:15,757 INFO L158 Benchmark]: Witness Printer took 6.19ms. Allocated memory is still 142.6MB. Free memory was 78.4MB in the beginning and 78.3MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:28:15,758 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.53ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 104.7MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.66ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 102.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.25ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 101.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 492.28ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 86.0MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2280.75ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 78.4MB in the end (delta: 7.1MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Witness Printer took 6.19ms. Allocated memory is still 142.6MB. Free memory was 78.4MB in the beginning and 78.3MB in the end (delta: 27.1kB). 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 103, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 103, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 96. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 256; [L23] signed long int var_1_2 = -128; [L24] signed long int var_1_3 = 8; [L25] signed long int var_1_4 = 0; [L26] signed long int var_1_5 = 8; [L27] signed long int var_1_6 = 10; [L28] signed long int var_1_7 = 5; [L29] signed long int var_1_8 = 128; [L30] signed short int var_1_9 = 128; [L31] float var_1_10 = 64.4; [L32] float var_1_11 = 10.25; [L33] double var_1_12 = 63.175; [L34] unsigned char var_1_13 = 1; [L35] double var_1_14 = 128.5; [L36] double var_1_15 = 128.8; VAL [isInitial=0, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=-128, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L107] isInitial = 1 [L108] FCALL initially() [L110] FCALL updateLastVariables() [L111] CALL updateVariables() [L65] var_1_2 = __VERIFIER_nondet_long() [L66] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L66] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L67] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L67] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L68] var_1_3 = __VERIFIER_nondet_long() [L69] CALL assume_abort_if_not(var_1_3 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L69] RET assume_abort_if_not(var_1_3 >= -1) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L70] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L70] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L71] var_1_4 = __VERIFIER_nondet_long() [L72] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L72] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L73] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L73] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L74] var_1_5 = __VERIFIER_nondet_long() [L75] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L75] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L76] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L76] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L77] var_1_6 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L78] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L79] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L79] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L80] var_1_7 = __VERIFIER_nondet_long() [L81] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=128, var_1_9=128] [L81] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=128, var_1_9=128] [L82] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=128, var_1_9=128] [L82] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=128, var_1_9=128] [L83] var_1_8 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L84] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L85] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L85] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L86] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L86] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L87] var_1_9 = __VERIFIER_nondet_short() [L88] CALL assume_abort_if_not(var_1_9 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L88] RET assume_abort_if_not(var_1_9 >= -32767) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L89] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L89] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L90] var_1_11 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L91] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L92] var_1_13 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L93] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L94] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L94] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L95] var_1_14 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L96] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L97] var_1_15 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L98] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L111] RET updateVariables() [L112] CALL step() [L40] COND TRUE (((((var_1_3 - var_1_4)) > (var_1_2)) ? ((var_1_3 - var_1_4)) : (var_1_2))) <= (((((var_1_5 - var_1_6)) < ((var_1_7 % var_1_8))) ? ((var_1_5 - var_1_6)) : ((var_1_7 % var_1_8)))) [L41] var_1_1 = var_1_9 VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=3, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L43] COND FALSE !(var_1_8 > var_1_1) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=3, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L48] signed long int stepLocal_1 = var_1_5; [L49] signed short int stepLocal_0 = var_1_1; VAL [isInitial=1, stepLocal_0=3, stepLocal_1=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=3, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L50] COND FALSE !(stepLocal_0 <= var_1_8) [L61] var_1_12 = var_1_11 VAL [isInitial=1, stepLocal_1=1, var_1_10=322/5, var_1_11=2, var_1_12=2, var_1_13=1, var_1_1=3, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L112] RET step() [L113] CALL, EXPR property() [L103-L104] return ((((((((var_1_3 - var_1_4)) > (var_1_2)) ? ((var_1_3 - var_1_4)) : (var_1_2))) <= (((((var_1_5 - var_1_6)) < ((var_1_7 % var_1_8))) ? ((var_1_5 - var_1_6)) : ((var_1_7 % var_1_8))))) ? (var_1_1 == ((signed short int) var_1_9)) : 1) && ((var_1_8 > var_1_1) ? ((var_1_1 == var_1_4) ? (var_1_10 == ((float) var_1_11)) : 1) : 1)) && ((var_1_1 <= var_1_8) ? ((var_1_5 != -64) ? (var_1_13 ? (var_1_12 == ((double) ((((var_1_14 - var_1_15) < 0 ) ? -(var_1_14 - var_1_15) : (var_1_14 - var_1_15))))) : (var_1_12 == ((double) (var_1_15 - var_1_14)))) : (var_1_12 == ((double) 32.8))) : (var_1_12 == ((double) var_1_11))) ; VAL [\result=0, isInitial=1, var_1_10=322/5, var_1_11=2, var_1_12=2, var_1_13=1, var_1_1=3, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=322/5, var_1_11=2, var_1_12=2, var_1_13=1, var_1_1=3, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L19] reach_error() VAL [isInitial=1, var_1_10=322/5, var_1_11=2, var_1_12=2, var_1_13=1, var_1_1=3, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 2, TraceHistogramMax: 22, 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, 83 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, 83 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 540 NumberOfCodeBlocks, 540 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 268 ConstructedInterpolants, 0 QuantifiedInterpolants, 268 SizeOfPredicates, 0 NumberOfNonLiveVariables, 300 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1806/1848 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 [2024-11-23 18:28:15,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/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_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC --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 8e71cde4c3ce759247922c8d73cd0482952aedbfd0a1826f55f8bb77593825aa --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:28:18,670 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:28:18,774 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 18:28:18,782 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:28:18,782 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:28:18,809 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:28:18,810 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:28:18,810 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:28:18,810 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:28:18,810 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:28:18,811 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:28:18,811 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:28:18,811 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:28:18,811 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:28:18,812 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:28:18,812 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:28:18,812 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:28:18,812 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:28:18,812 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:28:18,812 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:28:18,812 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:28:18,813 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:28:18,813 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:28:18,813 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 18:28:18,813 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 18:28:18,813 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 18:28:18,813 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:28:18,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:28:18,814 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:28:18,814 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:28:18,814 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:28:18,814 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:28:18,814 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:28:18,814 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:28:18,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:28:18,815 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:28:18,815 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:28:18,815 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:28:18,815 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:28:18,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:28:18,815 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:28:18,815 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:28:18,815 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:28:18,815 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:28:18,816 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 18:28:18,816 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 18:28:18,816 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:28:18,816 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:28:18,816 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:28:18,816 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:28:18,816 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_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC 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 -> 8e71cde4c3ce759247922c8d73cd0482952aedbfd0a1826f55f8bb77593825aa [2024-11-23 18:28:19,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:28:19,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:28:19,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:28:19,202 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:28:19,202 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:28:19,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-80.i [2024-11-23 18:28:22,361 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/data/746837bfb/91e027069e4047ef9aabec5643198f4f/FLAG720caf325 [2024-11-23 18:28:22,729 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:28:22,730 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-80.i [2024-11-23 18:28:22,751 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/data/746837bfb/91e027069e4047ef9aabec5643198f4f/FLAG720caf325 [2024-11-23 18:28:22,776 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/data/746837bfb/91e027069e4047ef9aabec5643198f4f [2024-11-23 18:28:22,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:28:22,783 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:28:22,785 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:28:22,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:28:22,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:28:22,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:28:22" (1/1) ... [2024-11-23 18:28:22,792 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de645ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:22, skipping insertion in model container [2024-11-23 18:28:22,793 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:28:22" (1/1) ... [2024-11-23 18:28:22,817 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:28:23,017 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_eea0112d-31f8-4726-9295-c1eeebd63997/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-80.i[915,928] [2024-11-23 18:28:23,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:28:23,114 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:28:23,128 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_eea0112d-31f8-4726-9295-c1eeebd63997/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-80.i[915,928] [2024-11-23 18:28:23,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:28:23,199 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:28:23,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:23 WrapperNode [2024-11-23 18:28:23,200 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:28:23,202 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:28:23,202 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:28:23,203 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:28:23,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:23" (1/1) ... [2024-11-23 18:28:23,226 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:23" (1/1) ... [2024-11-23 18:28:23,251 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2024-11-23 18:28:23,252 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:28:23,252 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:28:23,252 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:28:23,253 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:28:23,263 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:23" (1/1) ... [2024-11-23 18:28:23,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:23" (1/1) ... [2024-11-23 18:28:23,268 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:23" (1/1) ... [2024-11-23 18:28:23,283 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]. [2024-11-23 18:28:23,283 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:23" (1/1) ... [2024-11-23 18:28:23,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:23" (1/1) ... [2024-11-23 18:28:23,293 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:23" (1/1) ... [2024-11-23 18:28:23,294 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:23" (1/1) ... [2024-11-23 18:28:23,298 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:23" (1/1) ... [2024-11-23 18:28:23,300 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:23" (1/1) ... [2024-11-23 18:28:23,301 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:23" (1/1) ... [2024-11-23 18:28:23,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:28:23,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:28:23,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:28:23,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:28:23,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:23" (1/1) ... [2024-11-23 18:28:23,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:28:23,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:28:23,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:28:23,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:28:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:28:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 18:28:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 18:28:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 18:28:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:28:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:28:23,446 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:28:23,448 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:28:25,969 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-23 18:28:25,969 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:28:25,980 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:28:25,981 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 18:28:25,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:28:25 BoogieIcfgContainer [2024-11-23 18:28:25,981 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:28:25,985 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:28:25,985 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:28:25,991 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:28:25,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:28:22" (1/3) ... [2024-11-23 18:28:25,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a13e9b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:28:25, skipping insertion in model container [2024-11-23 18:28:25,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:23" (2/3) ... [2024-11-23 18:28:25,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a13e9b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:28:25, skipping insertion in model container [2024-11-23 18:28:25,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:28:25" (3/3) ... [2024-11-23 18:28:25,994 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-80.i [2024-11-23 18:28:26,010 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:28:26,012 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-80.i that has 2 procedures, 60 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 18:28:26,069 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:28:26,085 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;@6ca50782, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:28:26,085 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:28:26,090 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-23 18:28:26,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-23 18:28:26,103 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:28:26,103 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:28:26,104 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:28:26,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:28:26,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1074696616, now seen corresponding path program 1 times [2024-11-23 18:28:26,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:28:26,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [465205955] [2024-11-23 18:28:26,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:28:26,122 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 [2024-11-23 18:28:26,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:28:26,125 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-23 18:28:26,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 18:28:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:28:26,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 18:28:26,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:28:26,722 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 474 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-23 18:28:26,723 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:28:26,723 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:28:26,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [465205955] [2024-11-23 18:28:26,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [465205955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:28:26,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:28:26,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:28:26,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499372734] [2024-11-23 18:28:26,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:28:26,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 18:28:26,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:28:26,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 18:28:26,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:28:26,768 INFO L87 Difference]: Start difference. First operand has 60 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-23 18:28:26,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:28:26,808 INFO L93 Difference]: Finished difference Result 113 states and 196 transitions. [2024-11-23 18:28:26,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 18:28:26,811 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 135 [2024-11-23 18:28:26,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:28:26,822 INFO L225 Difference]: With dead ends: 113 [2024-11-23 18:28:26,822 INFO L226 Difference]: Without dead ends: 56 [2024-11-23 18:28:26,827 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:28:26,833 INFO L435 NwaCegarLoop]: 83 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, 83 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 [2024-11-23 18:28:26,838 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:28:26,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-23 18:28:26,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-23 18:28:26,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-23 18:28:26,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 83 transitions. [2024-11-23 18:28:26,898 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 83 transitions. Word has length 135 [2024-11-23 18:28:26,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:28:26,900 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 83 transitions. [2024-11-23 18:28:26,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-23 18:28:26,901 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 83 transitions. [2024-11-23 18:28:26,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-23 18:28:26,908 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:28:26,908 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:28:26,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 18:28:27,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 18:28:27,110 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:28:27,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:28:27,111 INFO L85 PathProgramCache]: Analyzing trace with hash -989170140, now seen corresponding path program 1 times [2024-11-23 18:28:27,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:28:27,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1445301890] [2024-11-23 18:28:27,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:28:27,113 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 [2024-11-23 18:28:27,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:28:27,116 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-23 18:28:27,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea0112d-31f8-4726-9295-c1eeebd63997/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 18:28:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:28:27,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-23 18:28:27,561 INFO L279 TraceCheckSpWp]: Computing forward predicates...