./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3ddb7215ca3e5e9ca1b1e870ca103f03a36cdc53c61a6db7279d389f4fde4871 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:38:58,116 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:38:58,192 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:38:58,198 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:38:58,199 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:38:58,253 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:38:58,254 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:38:58,254 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:38:58,255 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:38:58,255 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:38:58,256 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:38:58,257 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:38:58,257 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:38:58,257 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:38:58,258 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:38:58,259 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:38:58,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:38:58,259 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:38:58,259 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:38:58,259 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:38:58,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:38:58,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:38:58,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:38:58,261 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:38:58,261 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:38:58,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:38:58,261 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:38:58,261 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:38:58,261 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:38:58,262 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:38:58,262 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:38:58,262 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:38:58,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:38:58,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:38:58,264 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:38:58,264 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:38:58,264 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:38:58,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:38:58,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:38:58,264 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:38:58,265 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:38:58,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:38:58,265 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:38:58,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:38:58,265 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:38:58,265 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:38:58,265 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:38:58,266 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:38:58,266 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_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ddb7215ca3e5e9ca1b1e870ca103f03a36cdc53c61a6db7279d389f4fde4871 [2024-11-28 02:38:58,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:38:58,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:38:58,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:38:58,660 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:38:58,661 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:38:58,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i [2024-11-28 02:39:01,916 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/data/9b19c0cdf/0dd91901a2aa42fe84a4bf6107521c6b/FLAG048286332 [2024-11-28 02:39:02,225 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:39:02,226 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i [2024-11-28 02:39:02,237 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/data/9b19c0cdf/0dd91901a2aa42fe84a4bf6107521c6b/FLAG048286332 [2024-11-28 02:39:02,254 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/data/9b19c0cdf/0dd91901a2aa42fe84a4bf6107521c6b [2024-11-28 02:39:02,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:39:02,258 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:39:02,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:39:02,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:39:02,266 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:39:02,267 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:39:02" (1/1) ... [2024-11-28 02:39:02,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@177504dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:02, skipping insertion in model container [2024-11-28 02:39:02,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:39:02" (1/1) ... [2024-11-28 02:39:02,289 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:39:02,514 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_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i[915,928] [2024-11-28 02:39:02,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:39:02,606 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:39:02,622 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_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i[915,928] [2024-11-28 02:39:02,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:39:02,698 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:39:02,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:02 WrapperNode [2024-11-28 02:39:02,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:39:02,701 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:39:02,701 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:39:02,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:39:02,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:02" (1/1) ... [2024-11-28 02:39:02,723 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:02" (1/1) ... [2024-11-28 02:39:02,764 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2024-11-28 02:39:02,767 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:39:02,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:39:02,768 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:39:02,768 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:39:02,781 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:02" (1/1) ... [2024-11-28 02:39:02,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:02" (1/1) ... [2024-11-28 02:39:02,784 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:02" (1/1) ... [2024-11-28 02:39:02,799 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 02:39:02,799 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:02" (1/1) ... [2024-11-28 02:39:02,800 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:02" (1/1) ... [2024-11-28 02:39:02,806 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:02" (1/1) ... [2024-11-28 02:39:02,807 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:02" (1/1) ... [2024-11-28 02:39:02,811 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:02" (1/1) ... [2024-11-28 02:39:02,812 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:02" (1/1) ... [2024-11-28 02:39:02,813 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:02" (1/1) ... [2024-11-28 02:39:02,816 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:39:02,817 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:39:02,817 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:39:02,817 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:39:02,818 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:02" (1/1) ... [2024-11-28 02:39:02,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:39:02,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:02,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:39:02,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:39:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:39:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:39:02,912 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:39:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:39:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:39:02,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:39:03,024 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:39:03,027 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:39:03,416 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-28 02:39:03,417 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:39:03,435 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:39:03,436 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:39:03,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:39:03 BoogieIcfgContainer [2024-11-28 02:39:03,436 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:39:03,440 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:39:03,440 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:39:03,445 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:39:03,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:39:02" (1/3) ... [2024-11-28 02:39:03,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73196bfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:39:03, skipping insertion in model container [2024-11-28 02:39:03,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:02" (2/3) ... [2024-11-28 02:39:03,447 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73196bfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:39:03, skipping insertion in model container [2024-11-28 02:39:03,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:39:03" (3/3) ... [2024-11-28 02:39:03,448 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-53.i [2024-11-28 02:39:03,469 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:39:03,470 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-53.i that has 2 procedures, 50 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:39:03,540 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:39:03,564 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;@54ef3d42, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:39:03,564 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:39:03,569 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 02:39:03,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-28 02:39:03,586 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:03,587 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:03,588 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:03,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:03,598 INFO L85 PathProgramCache]: Analyzing trace with hash 429983085, now seen corresponding path program 1 times [2024-11-28 02:39:03,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:03,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011946657] [2024-11-28 02:39:03,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:03,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:04,055 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-28 02:39:04,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:04,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011946657] [2024-11-28 02:39:04,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011946657] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:04,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390534785] [2024-11-28 02:39:04,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:04,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:04,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:04,065 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:04,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:39:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:04,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:39:04,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:04,382 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-28 02:39:04,382 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:04,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390534785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:04,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:39:04,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:39:04,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823643869] [2024-11-28 02:39:04,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:04,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:39:04,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:04,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:39:04,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:39:04,422 INFO L87 Difference]: Start difference. First operand has 50 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 02:39:04,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:04,449 INFO L93 Difference]: Finished difference Result 93 states and 154 transitions. [2024-11-28 02:39:04,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:39:04,451 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 102 [2024-11-28 02:39:04,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:04,459 INFO L225 Difference]: With dead ends: 93 [2024-11-28 02:39:04,459 INFO L226 Difference]: Without dead ends: 46 [2024-11-28 02:39:04,463 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:39:04,466 INFO L435 NwaCegarLoop]: 65 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, 65 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:04,467 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:39:04,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-28 02:39:04,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-28 02:39:04,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 02:39:04,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2024-11-28 02:39:04,520 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 102 [2024-11-28 02:39:04,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:04,521 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2024-11-28 02:39:04,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 02:39:04,521 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2024-11-28 02:39:04,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-28 02:39:04,527 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:04,527 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:04,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 02:39:04,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 02:39:04,734 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:04,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:04,735 INFO L85 PathProgramCache]: Analyzing trace with hash -620017035, now seen corresponding path program 1 times [2024-11-28 02:39:04,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:04,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701950075] [2024-11-28 02:39:04,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:04,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:09,114 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 21 proven. 159 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-11-28 02:39:09,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:09,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701950075] [2024-11-28 02:39:09,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701950075] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:09,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344360630] [2024-11-28 02:39:09,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:09,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:09,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:09,118 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:09,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:39:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:09,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-28 02:39:09,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:13,020 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 184 proven. 174 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-28 02:39:13,020 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:39:34,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344360630] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:34,900 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:39:34,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 20] total 27 [2024-11-28 02:39:34,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108701139] [2024-11-28 02:39:34,901 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:39:34,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-28 02:39:34,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:34,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-28 02:39:34,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=979, Unknown=4, NotChecked=0, Total=1190 [2024-11-28 02:39:34,905 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand has 27 states, 26 states have (on average 2.230769230769231) internal successors, (58), 25 states have internal predecessors, (58), 10 states have call successors, (30), 6 states have call predecessors, (30), 8 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) [2024-11-28 02:39:41,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:41,514 INFO L93 Difference]: Finished difference Result 142 states and 178 transitions. [2024-11-28 02:39:41,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-28 02:39:41,519 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.230769230769231) internal successors, (58), 25 states have internal predecessors, (58), 10 states have call successors, (30), 6 states have call predecessors, (30), 8 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) Word has length 102 [2024-11-28 02:39:41,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:41,521 INFO L225 Difference]: With dead ends: 142 [2024-11-28 02:39:41,521 INFO L226 Difference]: Without dead ends: 99 [2024-11-28 02:39:41,525 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 525 ImplicationChecksByTransitivity, 24.5s TimeCoverageRelationStatistics Valid=515, Invalid=2031, Unknown=4, NotChecked=0, Total=2550 [2024-11-28 02:39:41,527 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 171 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:41,527 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 488 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 02:39:41,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-28 02:39:41,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 72. [2024-11-28 02:39:41,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 48 states have internal predecessors, (53), 16 states have call successors, (16), 7 states have call predecessors, (16), 7 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 02:39:41,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 85 transitions. [2024-11-28 02:39:41,559 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 85 transitions. Word has length 102 [2024-11-28 02:39:41,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:41,560 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 85 transitions. [2024-11-28 02:39:41,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.230769230769231) internal successors, (58), 25 states have internal predecessors, (58), 10 states have call successors, (30), 6 states have call predecessors, (30), 8 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) [2024-11-28 02:39:41,560 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 85 transitions. [2024-11-28 02:39:41,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-28 02:39:41,566 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:41,566 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:41,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:39:41,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:41,771 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:41,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:41,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1154990327, now seen corresponding path program 1 times [2024-11-28 02:39:41,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:41,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422765677] [2024-11-28 02:39:41,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:41,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:39:41,921 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:39:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:39:42,076 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:39:42,076 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:39:42,078 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:39:42,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:39:42,085 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-28 02:39:42,202 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:39:42,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:39:42 BoogieIcfgContainer [2024-11-28 02:39:42,209 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:39:42,211 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:39:42,212 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:39:42,213 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:39:42,214 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:39:03" (3/4) ... [2024-11-28 02:39:42,217 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:39:42,218 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:39:42,220 INFO L158 Benchmark]: Toolchain (without parser) took 39961.69ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 92.8MB in the beginning and 92.0MB in the end (delta: 815.5kB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-28 02:39:42,220 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:39:42,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.88ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.0MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:39:42,220 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.50ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.1MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:39:42,221 INFO L158 Benchmark]: Boogie Preprocessor took 48.77ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 76.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:39:42,221 INFO L158 Benchmark]: RCFGBuilder took 619.70ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 62.4MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:39:42,223 INFO L158 Benchmark]: TraceAbstraction took 38769.98ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 61.9MB in the beginning and 92.0MB in the end (delta: -30.2MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2024-11-28 02:39:42,223 INFO L158 Benchmark]: Witness Printer took 8.14ms. Allocated memory is still 176.2MB. Free memory was 92.0MB in the beginning and 92.0MB in the end (delta: 33.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:39:42,226 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.88ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.0MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.50ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.1MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.77ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 76.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 619.70ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 62.4MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 38769.98ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 61.9MB in the beginning and 92.0MB in the end (delta: -30.2MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * Witness Printer took 8.14ms. Allocated memory is still 176.2MB. Free memory was 92.0MB in the beginning and 92.0MB in the end (delta: 33.1kB). 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 79, overapproximation of someBinaryFLOATComparisonOperation at line 85, overapproximation of someBinaryFLOATComparisonOperation at line 90, overapproximation of someBinaryFLOATComparisonOperation at line 81, overapproximation of someBinaryDOUBLEComparisonOperation at line 90, overapproximation of someBinaryDOUBLEComparisonOperation at line 44, overapproximation of someBinaryDOUBLEComparisonOperation at line 83, overapproximation of someBinaryArithmeticFLOAToperation at line 43. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 5; [L23] unsigned long int var_1_2 = 500; [L24] unsigned long int var_1_3 = 1456677701; [L25] unsigned long int var_1_4 = 1000000000; [L26] unsigned long int var_1_5 = 1; [L27] unsigned char var_1_6 = 0; [L28] unsigned char var_1_7 = 0; [L29] unsigned char var_1_8 = 0; [L30] unsigned char var_1_11 = 0; [L31] float var_1_12 = 128.6; [L32] float var_1_13 = 500.4; [L33] float var_1_14 = 8.5; [L34] double var_1_15 = 255.8; [L35] double var_1_16 = 25.75; [L36] float var_1_17 = 1.2; [L37] float var_1_18 = 9.6; VAL [isInitial=0, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=500, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L94] isInitial = 1 [L95] FCALL initially() [L97] FCALL updateLastVariables() [L98] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_ulong() [L61] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L61] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L62] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L62] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L63] var_1_3 = __VERIFIER_nondet_ulong() [L64] CALL assume_abort_if_not(var_1_3 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L64] RET assume_abort_if_not(var_1_3 >= 1073741823) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L65] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L65] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L66] var_1_4 = __VERIFIER_nondet_ulong() [L67] CALL assume_abort_if_not(var_1_4 >= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L67] RET assume_abort_if_not(var_1_4 >= 536870911) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L68] CALL assume_abort_if_not(var_1_4 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L68] RET assume_abort_if_not(var_1_4 <= 1073741823) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L69] var_1_5 = __VERIFIER_nondet_ulong() [L70] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L70] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L71] CALL assume_abort_if_not(var_1_5 <= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L71] RET assume_abort_if_not(var_1_5 <= 536870911) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L72] var_1_7 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_8=0] [L73] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_8=0] [L74] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L74] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L75] var_1_11 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L76] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L77] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L77] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L78] var_1_13 = __VERIFIER_nondet_float() [L79] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L79] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L80] var_1_14 = __VERIFIER_nondet_float() [L81] 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_11=-255, var_1_12=643/5, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L81] 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_11=-255, var_1_12=643/5, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L82] var_1_16 = __VERIFIER_nondet_double() [L83] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_15=1279/5, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_15=1279/5, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L83] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_15=1279/5, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L84] var_1_18 = __VERIFIER_nondet_float() [L85] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_15=1279/5, var_1_17=6/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_15=1279/5, var_1_17=6/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L85] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_15=1279/5, var_1_17=6/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L98] RET updateVariables() [L99] CALL step() [L41] var_1_1 = (var_1_2 + (var_1_3 - (var_1_4 - var_1_5))) [L42] var_1_6 = var_1_7 [L43] var_1_12 = ((2.55f + var_1_13) - var_1_14) [L44] var_1_15 = ((((var_1_13) > (((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16))))) ? (var_1_13) : (((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16)))))) VAL [isInitial=1, var_1_11=-255, var_1_13=4831838212, var_1_14=4831838212, var_1_15=4831838212, var_1_16=4831838212, var_1_17=6/5, var_1_1=4294967294, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L45] COND FALSE !(var_1_2 >= var_1_1) VAL [isInitial=1, var_1_11=-255, var_1_13=4831838212, var_1_14=4831838212, var_1_15=4831838212, var_1_16=4831838212, var_1_17=6/5, var_1_1=4294967294, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L48] unsigned long int stepLocal_0 = (((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3)); VAL [isInitial=1, stepLocal_0=4831838207, var_1_11=-255, var_1_13=4831838212, var_1_14=4831838212, var_1_15=4831838212, var_1_16=4831838212, var_1_17=6/5, var_1_1=4294967294, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L49] COND FALSE !(((((var_1_1) < (var_1_5)) ? (var_1_1) : (var_1_5))) != stepLocal_0) [L56] var_1_8 = var_1_11 VAL [isInitial=1, var_1_11=-255, var_1_13=4831838212, var_1_14=4831838212, var_1_15=4831838212, var_1_16=4831838212, var_1_17=6/5, var_1_1=4294967294, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=-255] [L99] RET step() [L100] CALL, EXPR property() [L90-L91] return (((((var_1_1 == ((unsigned long int) (var_1_2 + (var_1_3 - (var_1_4 - var_1_5))))) && (var_1_6 == ((unsigned char) var_1_7))) && ((((((var_1_1) < (var_1_5)) ? (var_1_1) : (var_1_5))) != ((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3)))) ? ((var_1_17 == var_1_12) ? (var_1_6 ? (var_1_8 == ((unsigned char) var_1_11)) : 1) : 1) : (var_1_8 == ((unsigned char) var_1_11)))) && (var_1_12 == ((float) ((2.55f + var_1_13) - var_1_14)))) && (var_1_15 == ((double) ((((var_1_13) > (((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16))))) ? (var_1_13) : (((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16))))))))) && ((var_1_2 >= var_1_1) ? (var_1_17 == ((float) (var_1_14 - ((((var_1_13) > (var_1_18)) ? (var_1_13) : (var_1_18)))))) : 1) ; VAL [\result=0, isInitial=1, var_1_11=-255, var_1_13=4831838212, var_1_14=4831838212, var_1_15=4831838212, var_1_16=4831838212, var_1_17=6/5, var_1_1=4294967294, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=-255] [L100] RET, EXPR property() [L100] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_11=-255, var_1_13=4831838212, var_1_14=4831838212, var_1_15=4831838212, var_1_16=4831838212, var_1_17=6/5, var_1_1=4294967294, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=-255] [L19] reach_error() VAL [isInitial=1, var_1_11=-255, var_1_13=4831838212, var_1_14=4831838212, var_1_15=4831838212, var_1_16=4831838212, var_1_17=6/5, var_1_1=4294967294, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=-255] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 38.6s, OverallIterations: 3, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 173 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 171 mSDsluCounter, 553 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 425 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 713 IncrementalHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 128 mSDtfsCounter, 713 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 319 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 525 ImplicationChecksByTransitivity, 24.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=2, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 27 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 29.8s InterpolantComputationTime, 510 NumberOfCodeBlocks, 510 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 404 ConstructedInterpolants, 0 QuantifiedInterpolants, 3780 SizeOfPredicates, 5 NumberOfNonLiveVariables, 478 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 1557/1920 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 02:39:42,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3ddb7215ca3e5e9ca1b1e870ca103f03a36cdc53c61a6db7279d389f4fde4871 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:39:45,252 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:39:45,447 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:39:45,457 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:39:45,457 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:39:45,521 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:39:45,524 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:39:45,527 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:39:45,527 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:39:45,528 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:39:45,529 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:39:45,529 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:39:45,530 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:39:45,530 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:39:45,530 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:39:45,530 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:39:45,531 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:39:45,531 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:39:45,531 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:39:45,532 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:39:45,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:39:45,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:39:45,532 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:39:45,532 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:39:45,532 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:39:45,533 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:39:45,533 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:39:45,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:39:45,533 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:39:45,533 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:39:45,533 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:39:45,534 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:39:45,534 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:39:45,535 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:39:45,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:39:45,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:39:45,535 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:39:45,535 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:39:45,535 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:39:45,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:39:45,535 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:39:45,536 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:39:45,536 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:39:45,536 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:39:45,536 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:39:45,536 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:39:45,536 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:39:45,537 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:39:45,537 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:39:45,537 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:39:45,538 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_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ddb7215ca3e5e9ca1b1e870ca103f03a36cdc53c61a6db7279d389f4fde4871 [2024-11-28 02:39:45,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:39:45,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:39:45,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:39:45,920 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:39:45,920 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:39:45,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i [2024-11-28 02:39:49,123 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/data/fb4dc29dd/fe74e7d1314442a1bf92089d27704488/FLAG789112b04 [2024-11-28 02:39:49,458 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:39:49,462 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i [2024-11-28 02:39:49,481 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/data/fb4dc29dd/fe74e7d1314442a1bf92089d27704488/FLAG789112b04 [2024-11-28 02:39:49,507 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/data/fb4dc29dd/fe74e7d1314442a1bf92089d27704488 [2024-11-28 02:39:49,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:39:49,513 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:39:49,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:39:49,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:39:49,524 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:39:49,525 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:39:49" (1/1) ... [2024-11-28 02:39:49,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e387b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:49, skipping insertion in model container [2024-11-28 02:39:49,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:39:49" (1/1) ... [2024-11-28 02:39:49,556 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:39:49,767 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_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i[915,928] [2024-11-28 02:39:49,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:39:49,869 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:39:49,885 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_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i[915,928] [2024-11-28 02:39:49,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:39:49,961 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:39:49,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:49 WrapperNode [2024-11-28 02:39:49,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:39:49,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:39:49,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:39:49,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:39:49,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:49" (1/1) ... [2024-11-28 02:39:49,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:49" (1/1) ... [2024-11-28 02:39:50,038 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2024-11-28 02:39:50,042 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:39:50,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:39:50,043 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:39:50,043 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:39:50,056 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:49" (1/1) ... [2024-11-28 02:39:50,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:49" (1/1) ... [2024-11-28 02:39:50,062 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:49" (1/1) ... [2024-11-28 02:39:50,083 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 02:39:50,083 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:49" (1/1) ... [2024-11-28 02:39:50,083 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:49" (1/1) ... [2024-11-28 02:39:50,092 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:49" (1/1) ... [2024-11-28 02:39:50,094 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:49" (1/1) ... [2024-11-28 02:39:50,097 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:49" (1/1) ... [2024-11-28 02:39:50,100 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:49" (1/1) ... [2024-11-28 02:39:50,101 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:49" (1/1) ... [2024-11-28 02:39:50,105 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:39:50,106 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:39:50,106 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:39:50,106 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:39:50,107 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:49" (1/1) ... [2024-11-28 02:39:50,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:39:50,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:50,154 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:39:50,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:39:50,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:39:50,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:39:50,187 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:39:50,188 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:39:50,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:39:50,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:39:50,311 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:39:50,314 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:39:54,186 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-28 02:39:54,186 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:39:54,199 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:39:54,199 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:39:54,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:39:54 BoogieIcfgContainer [2024-11-28 02:39:54,200 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:39:54,203 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:39:54,203 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:39:54,214 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:39:54,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:39:49" (1/3) ... [2024-11-28 02:39:54,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d55f81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:39:54, skipping insertion in model container [2024-11-28 02:39:54,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:49" (2/3) ... [2024-11-28 02:39:54,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d55f81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:39:54, skipping insertion in model container [2024-11-28 02:39:54,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:39:54" (3/3) ... [2024-11-28 02:39:54,218 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-53.i [2024-11-28 02:39:54,238 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:39:54,242 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-53.i that has 2 procedures, 50 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:39:54,336 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:39:54,351 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;@3eceaec7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:39:54,351 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:39:54,356 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 02:39:54,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-28 02:39:54,369 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:54,371 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:54,371 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:54,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:54,380 INFO L85 PathProgramCache]: Analyzing trace with hash 429983085, now seen corresponding path program 1 times [2024-11-28 02:39:54,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:39:54,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [977212170] [2024-11-28 02:39:54,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:54,399 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:54,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:39:54,404 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:39:54,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 02:39:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:54,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:39:54,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:54,912 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-11-28 02:39:54,912 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:54,915 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:39:54,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [977212170] [2024-11-28 02:39:54,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [977212170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:54,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:54,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:39:54,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013435489] [2024-11-28 02:39:54,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:54,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:39:54,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:39:54,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:39:54,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:39:54,955 INFO L87 Difference]: Start difference. First operand has 50 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 02:39:54,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:55,001 INFO L93 Difference]: Finished difference Result 93 states and 154 transitions. [2024-11-28 02:39:55,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:39:55,004 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 102 [2024-11-28 02:39:55,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:55,014 INFO L225 Difference]: With dead ends: 93 [2024-11-28 02:39:55,016 INFO L226 Difference]: Without dead ends: 46 [2024-11-28 02:39:55,022 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:39:55,028 INFO L435 NwaCegarLoop]: 65 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, 65 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:55,029 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:39:55,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-28 02:39:55,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-28 02:39:55,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 02:39:55,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2024-11-28 02:39:55,092 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 102 [2024-11-28 02:39:55,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:55,092 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2024-11-28 02:39:55,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 02:39:55,093 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2024-11-28 02:39:55,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-28 02:39:55,101 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:55,101 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:55,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 02:39:55,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:55,303 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:55,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:55,306 INFO L85 PathProgramCache]: Analyzing trace with hash -620017035, now seen corresponding path program 1 times [2024-11-28 02:39:55,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:39:55,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1280964809] [2024-11-28 02:39:55,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:55,308 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:55,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:39:55,312 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:39:55,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_632d9ee4-22f5-4ec2-b99f-86d3539f9dfa/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-28 02:39:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:55,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-28 02:39:55,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:00,881 WARN L286 SmtUtils]: Spent 20.21s on a formula simplification that was a NOOP. DAG size: 76 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 02:41:46,475 WARN L286 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:44:09,727 WARN L286 SmtUtils]: Spent 1.42m on a formula simplification that was a NOOP. DAG size: 86 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 02:44:45,878 WARN L286 SmtUtils]: Spent 5.87s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:46:30,952 WARN L286 SmtUtils]: Spent 5.90s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:46:42,602 WARN L286 SmtUtils]: Spent 5.67s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:47:30,741 WARN L286 SmtUtils]: Spent 5.35s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:49:17,133 WARN L286 SmtUtils]: Spent 1.48m on a formula simplification that was a NOOP. DAG size: 89 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)