./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.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_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/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_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/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_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/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 8f23a76680a88b4e3582239a1d89eab7ec3ee1b0bc583f7f275d3fe6394371a3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:47:50,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:47:50,406 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:47:50,414 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:47:50,415 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:47:50,453 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:47:50,455 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:47:50,455 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:47:50,456 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:47:50,456 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:47:50,457 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:47:50,457 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:47:50,458 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:47:50,458 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:47:50,458 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:47:50,458 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:47:50,459 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:47:50,459 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:47:50,459 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:47:50,459 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:47:50,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:47:50,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:47:50,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:47:50,460 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:47:50,460 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:47:50,460 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:47:50,460 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:47:50,460 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:47:50,460 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:47:50,460 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:47:50,460 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:47:50,461 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:47:50,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:47:50,461 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:47:50,461 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:47:50,461 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:47:50,461 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:47:50,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:47:50,461 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:47:50,461 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:47:50,461 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:47:50,461 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:47:50,461 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:47:50,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:47:50,462 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:47:50,462 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:47:50,462 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:47:50,462 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:47:50,462 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_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/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 -> 8f23a76680a88b4e3582239a1d89eab7ec3ee1b0bc583f7f275d3fe6394371a3 [2024-11-28 02:47:50,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:47:50,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:47:50,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:47:50,837 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:47:50,838 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:47:50,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i [2024-11-28 02:47:54,100 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/data/9f04c7eb0/97656ce287ac46c5b2cf4032481da7eb/FLAG6006f802b [2024-11-28 02:47:54,448 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:47:54,452 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i [2024-11-28 02:47:54,467 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/data/9f04c7eb0/97656ce287ac46c5b2cf4032481da7eb/FLAG6006f802b [2024-11-28 02:47:54,492 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/data/9f04c7eb0/97656ce287ac46c5b2cf4032481da7eb [2024-11-28 02:47:54,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:47:54,496 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:47:54,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:47:54,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:47:54,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:47:54,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:47:54" (1/1) ... [2024-11-28 02:47:54,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1720d031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:54, skipping insertion in model container [2024-11-28 02:47:54,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:47:54" (1/1) ... [2024-11-28 02:47:54,537 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:47:54,708 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_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i[917,930] [2024-11-28 02:47:54,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:47:54,808 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:47:54,820 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_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i[917,930] [2024-11-28 02:47:54,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:47:54,908 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:47:54,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:54 WrapperNode [2024-11-28 02:47:54,909 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:47:54,910 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:47:54,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:47:54,912 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:47:54,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:54" (1/1) ... [2024-11-28 02:47:54,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:54" (1/1) ... [2024-11-28 02:47:54,965 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 151 [2024-11-28 02:47:54,965 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:47:54,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:47:54,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:47:54,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:47:54,976 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:54" (1/1) ... [2024-11-28 02:47:54,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:54" (1/1) ... [2024-11-28 02:47:54,978 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:54" (1/1) ... [2024-11-28 02:47:54,993 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 02:47:54,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:54" (1/1) ... [2024-11-28 02:47:54,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:54" (1/1) ... [2024-11-28 02:47:55,001 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:54" (1/1) ... [2024-11-28 02:47:55,002 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:54" (1/1) ... [2024-11-28 02:47:55,006 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:54" (1/1) ... [2024-11-28 02:47:55,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:54" (1/1) ... [2024-11-28 02:47:55,009 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:54" (1/1) ... [2024-11-28 02:47:55,012 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:47:55,013 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:47:55,013 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:47:55,013 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:47:55,014 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:54" (1/1) ... [2024-11-28 02:47:55,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:47:55,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:55,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:55,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:47:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:47:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:47:55,087 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:47:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:47:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:47:55,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:47:55,182 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:47:55,185 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:47:55,678 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-28 02:47:55,678 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:47:55,688 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:47:55,689 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:47:55,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:55 BoogieIcfgContainer [2024-11-28 02:47:55,689 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:47:55,692 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:47:55,692 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:47:55,697 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:47:55,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:47:54" (1/3) ... [2024-11-28 02:47:55,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6706764c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:47:55, skipping insertion in model container [2024-11-28 02:47:55,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:54" (2/3) ... [2024-11-28 02:47:55,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6706764c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:47:55, skipping insertion in model container [2024-11-28 02:47:55,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:55" (3/3) ... [2024-11-28 02:47:55,699 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-42.i [2024-11-28 02:47:55,715 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:47:55,716 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-42.i that has 2 procedures, 70 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:47:55,802 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:47:55,816 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;@72af6a84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:47:55,817 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:47:55,822 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-28 02:47:55,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-28 02:47:55,837 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:55,838 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:55,838 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:55,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:55,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1882836578, now seen corresponding path program 1 times [2024-11-28 02:47:55,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:55,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635337858] [2024-11-28 02:47:55,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:55,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:56,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-11-28 02:47:56,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:56,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635337858] [2024-11-28 02:47:56,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635337858] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:47:56,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424522701] [2024-11-28 02:47:56,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:56,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:47:56,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:56,301 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:47:56,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:47:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:56,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:47:56,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:56,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-11-28 02:47:56,560 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:47:56,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424522701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:56,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:47:56,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:47:56,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969242991] [2024-11-28 02:47:56,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:56,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:47:56,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:56,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:47:56,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:47:56,593 INFO L87 Difference]: Start difference. First operand has 70 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 02:47:56,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:56,632 INFO L93 Difference]: Finished difference Result 133 states and 229 transitions. [2024-11-28 02:47:56,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:47:56,633 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 148 [2024-11-28 02:47:56,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:56,640 INFO L225 Difference]: With dead ends: 133 [2024-11-28 02:47:56,640 INFO L226 Difference]: Without dead ends: 66 [2024-11-28 02:47:56,644 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 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 02:47:56,647 INFO L435 NwaCegarLoop]: 99 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, 99 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 02:47:56,648 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:47:56,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-28 02:47:56,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-28 02:47:56,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 41 states have internal predecessors, (53), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-28 02:47:56,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 99 transitions. [2024-11-28 02:47:56,693 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 99 transitions. Word has length 148 [2024-11-28 02:47:56,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:56,695 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 99 transitions. [2024-11-28 02:47:56,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 02:47:56,696 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 99 transitions. [2024-11-28 02:47:56,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-28 02:47:56,698 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:56,699 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:56,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:47:56,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 02:47:56,900 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:56,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:56,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1613160800, now seen corresponding path program 1 times [2024-11-28 02:47:56,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:56,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437239597] [2024-11-28 02:47:56,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:56,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:57,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-28 02:47:57,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:57,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437239597] [2024-11-28 02:47:57,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437239597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:57,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:57,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:47:57,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134302977] [2024-11-28 02:47:57,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:57,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:47:57,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:57,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:47:57,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:47:57,824 INFO L87 Difference]: Start difference. First operand 66 states and 99 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 02:47:57,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:57,912 INFO L93 Difference]: Finished difference Result 149 states and 223 transitions. [2024-11-28 02:47:57,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:47:57,913 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 148 [2024-11-28 02:47:57,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:57,915 INFO L225 Difference]: With dead ends: 149 [2024-11-28 02:47:57,916 INFO L226 Difference]: Without dead ends: 86 [2024-11-28 02:47:57,918 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:47:57,920 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 22 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:47:57,920 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 205 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:47:57,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-28 02:47:57,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 74. [2024-11-28 02:47:57,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 49 states have internal predecessors, (65), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-28 02:47:57,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 111 transitions. [2024-11-28 02:47:57,942 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 111 transitions. Word has length 148 [2024-11-28 02:47:57,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:57,945 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 111 transitions. [2024-11-28 02:47:57,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 02:47:57,945 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2024-11-28 02:47:57,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-28 02:47:57,949 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:57,949 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:57,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:47:57,949 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:57,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:57,950 INFO L85 PathProgramCache]: Analyzing trace with hash -2109701824, now seen corresponding path program 1 times [2024-11-28 02:47:57,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:57,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061233594] [2024-11-28 02:47:57,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:57,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:47:58,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2008683334] [2024-11-28 02:47:58,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:58,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:47:58,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:58,193 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:47:58,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:47:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:58,527 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:47:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:58,747 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:47:58,748 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:47:58,749 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:47:58,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:47:58,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:47:58,958 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-28 02:47:59,087 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:47:59,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:47:59 BoogieIcfgContainer [2024-11-28 02:47:59,091 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:47:59,092 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:47:59,092 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:47:59,092 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:47:59,092 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:55" (3/4) ... [2024-11-28 02:47:59,095 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:47:59,096 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:47:59,096 INFO L158 Benchmark]: Toolchain (without parser) took 4600.32ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 117.7MB in the beginning and 361.4MB in the end (delta: -243.7MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2024-11-28 02:47:59,097 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:59,097 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.11ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 103.3MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:47:59,097 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.37ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 100.4MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:59,098 INFO L158 Benchmark]: Boogie Preprocessor took 45.96ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 96.5MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:59,100 INFO L158 Benchmark]: RCFGBuilder took 676.93ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 75.6MB in the end (delta: 20.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 02:47:59,101 INFO L158 Benchmark]: TraceAbstraction took 3399.44ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 75.1MB in the beginning and 362.6MB in the end (delta: -287.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:59,101 INFO L158 Benchmark]: Witness Printer took 4.09ms. Allocated memory is still 419.4MB. Free memory was 362.6MB in the beginning and 361.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:59,103 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.11ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 103.3MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.37ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 100.4MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.96ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 96.5MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 676.93ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 75.6MB in the end (delta: 20.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3399.44ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 75.1MB in the beginning and 362.6MB in the end (delta: -287.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.09ms. Allocated memory is still 419.4MB. Free memory was 362.6MB in the beginning and 361.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 56, overapproximation of someBinaryFLOATComparisonOperation at line 125, overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryFLOATComparisonOperation at line 114, overapproximation of someBinaryFLOATComparisonOperation at line 127, overapproximation of someBinaryFLOATComparisonOperation at line 138, overapproximation of someUnaryDOUBLEoperation at line 35, overapproximation of someBinaryArithmeticFLOAToperation at line 82. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 16; [L23] unsigned char var_1_2 = 0; [L24] signed short int var_1_3 = -200; [L25] signed short int var_1_4 = 2; [L26] signed char var_1_5 = -8; [L27] unsigned char var_1_6 = 10; [L28] unsigned char var_1_7 = 128; [L29] unsigned char var_1_8 = 1; [L30] float var_1_9 = 9999999999.5; [L31] unsigned char var_1_10 = 1; [L32] unsigned char var_1_11 = 0; [L33] unsigned char var_1_12 = 0; [L34] signed short int var_1_13 = 200; [L35] float var_1_14 = -0.8; [L36] float var_1_15 = 127.25; [L37] float var_1_16 = 3.5; [L38] unsigned short int var_1_17 = 16; [L39] unsigned short int var_1_18 = 100; [L40] unsigned char var_1_19 = 1; [L41] unsigned char var_1_20 = 0; VAL [isInitial=0, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=0, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L142] isInitial = 1 [L143] FCALL initially() [L145] FCALL updateLastVariables() [L146] CALL updateVariables() [L98] var_1_2 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L99] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L100] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L100] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L101] var_1_3 = __VERIFIER_nondet_short() [L102] CALL assume_abort_if_not(var_1_3 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L102] RET assume_abort_if_not(var_1_3 >= -32767) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L103] CALL assume_abort_if_not(var_1_3 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L103] RET assume_abort_if_not(var_1_3 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L104] var_1_4 = __VERIFIER_nondet_short() [L105] CALL assume_abort_if_not(var_1_4 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L105] RET assume_abort_if_not(var_1_4 >= -32767) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L106] CALL assume_abort_if_not(var_1_4 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L106] RET assume_abort_if_not(var_1_4 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L107] var_1_5 = __VERIFIER_nondet_char() [L108] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L108] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L109] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L109] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L110] var_1_7 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_7 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=19999999999/2] [L111] RET assume_abort_if_not(var_1_7 >= 127) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=19999999999/2] [L112] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=19999999999/2] [L112] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=19999999999/2] [L113] var_1_9 = __VERIFIER_nondet_float() [L114] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L114] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L115] var_1_10 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L116] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L117] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L117] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L118] var_1_11 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L119] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L120] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L120] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L121] var_1_12 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L122] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L123] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L123] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L124] var_1_15 = __VERIFIER_nondet_float() [L125] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L125] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L126] var_1_16 = __VERIFIER_nondet_float() [L127] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L127] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L128] var_1_18 = __VERIFIER_nondet_ushort() [L129] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L129] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L130] CALL assume_abort_if_not(var_1_18 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L130] RET assume_abort_if_not(var_1_18 <= 32767) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L131] var_1_20 = __VERIFIER_nondet_uchar() [L132] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L132] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L133] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L133] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L146] RET updateVariables() [L147] CALL step() [L45] signed short int stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=-32767, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L46] COND TRUE \read(var_1_2) [L47] var_1_1 = ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))) VAL [isInitial=1, stepLocal_0=-32767, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=3556, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=10, var_1_7=127, var_1_8=1] [L53] COND TRUE var_1_5 >= -2 [L54] var_1_6 = (var_1_7 - 100) VAL [isInitial=1, stepLocal_0=-32767, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=3556, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=27, var_1_7=127, var_1_8=1] [L56] unsigned char stepLocal_2 = 49.5f <= var_1_9; [L57] signed short int stepLocal_1 = var_1_1; VAL [isInitial=1, stepLocal_0=-32767, stepLocal_1=3556, stepLocal_2=0, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=3556, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=27, var_1_7=127, var_1_8=1] [L58] COND FALSE !(stepLocal_2 && (var_1_2 && var_1_10)) [L65] var_1_8 = var_1_12 VAL [isInitial=1, stepLocal_0=-32767, stepLocal_1=3556, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=3556, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=27, var_1_7=127, var_1_8=0] [L67] unsigned char stepLocal_4 = var_1_6; [L68] signed long int stepLocal_3 = (((((((var_1_3) > (var_1_6)) ? (var_1_3) : (var_1_6)))) > (var_1_5)) ? (((((var_1_3) > (var_1_6)) ? (var_1_3) : (var_1_6)))) : (var_1_5)); VAL [isInitial=1, stepLocal_0=-32767, stepLocal_1=3556, stepLocal_3=27, stepLocal_4=27, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=3556, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=27, var_1_7=127, var_1_8=0] [L69] COND FALSE !(stepLocal_4 >= (var_1_1 / var_1_7)) [L76] var_1_13 = var_1_3 VAL [isInitial=1, stepLocal_0=-32767, stepLocal_1=3556, stepLocal_3=27, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=-32767, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=3556, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=27, var_1_7=127, var_1_8=0] [L78] unsigned char stepLocal_6 = var_1_2; [L79] signed short int stepLocal_5 = var_1_13; VAL [isInitial=1, stepLocal_0=-32767, stepLocal_1=3556, stepLocal_3=27, stepLocal_5=-32767, stepLocal_6=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=-32767, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=3556, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=27, var_1_7=127, var_1_8=0] [L80] COND TRUE (((((var_1_13) < (8)) ? (var_1_13) : (8))) <= var_1_5) || stepLocal_6 VAL [isInitial=1, stepLocal_0=-32767, stepLocal_1=3556, stepLocal_3=27, stepLocal_5=-32767, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=-32767, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=3556, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=27, var_1_7=127, var_1_8=0] [L81] COND TRUE stepLocal_5 <= var_1_3 [L82] var_1_14 = (var_1_15 + var_1_16) VAL [isInitial=1, stepLocal_0=-32767, stepLocal_1=3556, stepLocal_3=27, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=-32767, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=3556, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=27, var_1_7=127, var_1_8=0] [L89] signed short int stepLocal_7 = var_1_3; VAL [isInitial=1, stepLocal_0=-32767, stepLocal_1=3556, stepLocal_3=27, stepLocal_7=-32767, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=-32767, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=3556, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=27, var_1_7=127, var_1_8=0] [L90] COND TRUE var_1_4 > stepLocal_7 [L91] var_1_17 = ((((25) > ((var_1_6 + var_1_18))) ? (25) : ((var_1_6 + var_1_18)))) VAL [isInitial=1, stepLocal_0=-32767, stepLocal_1=3556, stepLocal_3=27, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=-32767, var_1_17=27, var_1_18=0, var_1_19=1, var_1_1=3556, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=27, var_1_7=127, var_1_8=0] [L93] COND TRUE var_1_9 <= var_1_15 [L94] var_1_19 = (var_1_12 || var_1_20) VAL [isInitial=1, stepLocal_0=-32767, stepLocal_1=3556, stepLocal_3=27, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=-32767, var_1_17=27, var_1_18=0, var_1_19=0, var_1_1=3556, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=27, var_1_7=127, var_1_8=0] [L147] RET step() [L148] CALL, EXPR property() [L138-L139] return ((((((var_1_2 ? (var_1_1 == ((signed short int) ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) : ((((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) >= var_1_3) ? (var_1_1 == ((signed short int) var_1_5)) : 1)) && ((var_1_5 >= -2) ? (var_1_6 == ((unsigned char) (var_1_7 - 100))) : 1)) && (((49.5f <= var_1_9) && (var_1_2 && var_1_10)) ? ((var_1_1 < var_1_7) ? (var_1_8 == ((unsigned char) (var_1_2 || var_1_11))) : (var_1_8 == ((unsigned char) var_1_11))) : (var_1_8 == ((unsigned char) var_1_12)))) && ((var_1_6 >= (var_1_1 / var_1_7)) ? ((var_1_1 != ((((((((var_1_3) > (var_1_6)) ? (var_1_3) : (var_1_6)))) > (var_1_5)) ? (((((var_1_3) > (var_1_6)) ? (var_1_3) : (var_1_6)))) : (var_1_5)))) ? (var_1_13 == ((signed short int) var_1_7)) : (var_1_13 == ((signed short int) var_1_6))) : (var_1_13 == ((signed short int) var_1_3)))) && (((((((var_1_13) < (8)) ? (var_1_13) : (8))) <= var_1_5) || var_1_2) ? ((var_1_13 <= var_1_3) ? (var_1_14 == ((float) (var_1_15 + var_1_16))) : (var_1_14 == ((float) var_1_16))) : (var_1_14 == ((float) var_1_16)))) && ((var_1_4 > var_1_3) ? (var_1_17 == ((unsigned short int) ((((25) > ((var_1_6 + var_1_18))) ? (25) : ((var_1_6 + var_1_18)))))) : 1)) && ((var_1_9 <= var_1_15) ? (var_1_19 == ((unsigned char) (var_1_12 || var_1_20))) : 1) ; VAL [\result=0, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=-32767, var_1_17=27, var_1_18=0, var_1_19=0, var_1_1=3556, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=27, var_1_7=127, var_1_8=0] [L148] RET, EXPR property() [L148] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=-32767, var_1_17=27, var_1_18=0, var_1_19=0, var_1_1=3556, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=27, var_1_7=127, var_1_8=0] [L19] reach_error() VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=-32767, var_1_17=27, var_1_18=0, var_1_19=0, var_1_1=3556, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3556, var_1_5=27, var_1_6=27, var_1_7=127, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 3, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 304 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 110 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 194 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=2, InterpolantAutomatonStates: 6, 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, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 742 NumberOfCodeBlocks, 742 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 441 ConstructedInterpolants, 0 QuantifiedInterpolants, 482 SizeOfPredicates, 0 NumberOfNonLiveVariables, 340 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 2992/3036 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 02:47:59,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/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_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/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_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/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_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/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 8f23a76680a88b4e3582239a1d89eab7ec3ee1b0bc583f7f275d3fe6394371a3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:48:01,735 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:48:01,882 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:48:01,891 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:48:01,891 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:48:01,934 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:48:01,934 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:48:01,934 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:48:01,935 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:48:01,936 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:48:01,937 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:48:01,937 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:48:01,938 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:48:01,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:48:01,940 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:48:01,940 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:48:01,940 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:48:01,940 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:48:01,940 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:48:01,940 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:48:01,941 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:48:01,941 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:48:01,941 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:48:01,941 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:48:01,941 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:48:01,941 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:48:01,941 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:48:01,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:48:01,941 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:48:01,941 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:48:01,942 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:48:01,942 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:48:01,942 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:48:01,942 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:48:01,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:48:01,943 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:48:01,943 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:48:01,943 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:48:01,943 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:48:01,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:48:01,943 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:48:01,944 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:48:01,944 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:48:01,944 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:48:01,944 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:48:01,944 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:48:01,944 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:48:01,944 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:48:01,944 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:48:01,945 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:48:01,945 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_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/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 -> 8f23a76680a88b4e3582239a1d89eab7ec3ee1b0bc583f7f275d3fe6394371a3 [2024-11-28 02:48:02,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:48:02,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:48:02,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:48:02,319 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:48:02,321 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:48:02,322 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i [2024-11-28 02:48:05,342 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/data/fa1168b05/ea81d5aadd4e46338adcab943f5d8f6d/FLAG0e9a2b16e [2024-11-28 02:48:05,636 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:48:05,637 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i [2024-11-28 02:48:05,656 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/data/fa1168b05/ea81d5aadd4e46338adcab943f5d8f6d/FLAG0e9a2b16e [2024-11-28 02:48:05,679 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/data/fa1168b05/ea81d5aadd4e46338adcab943f5d8f6d [2024-11-28 02:48:05,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:48:05,685 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:48:05,687 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:48:05,687 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:48:05,692 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:48:05,693 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:48:05" (1/1) ... [2024-11-28 02:48:05,694 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f0aff85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:05, skipping insertion in model container [2024-11-28 02:48:05,694 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:48:05" (1/1) ... [2024-11-28 02:48:05,722 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:48:05,915 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_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i[917,930] [2024-11-28 02:48:06,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:48:06,029 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:48:06,041 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_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i[917,930] [2024-11-28 02:48:06,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:48:06,092 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:48:06,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:06 WrapperNode [2024-11-28 02:48:06,093 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:48:06,094 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:48:06,094 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:48:06,094 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:48:06,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:06" (1/1) ... [2024-11-28 02:48:06,119 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:06" (1/1) ... [2024-11-28 02:48:06,150 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2024-11-28 02:48:06,151 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:48:06,152 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:48:06,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:48:06,152 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:48:06,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:06" (1/1) ... [2024-11-28 02:48:06,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:06" (1/1) ... [2024-11-28 02:48:06,167 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:06" (1/1) ... [2024-11-28 02:48:06,181 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 02:48:06,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:06" (1/1) ... [2024-11-28 02:48:06,182 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:06" (1/1) ... [2024-11-28 02:48:06,191 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:06" (1/1) ... [2024-11-28 02:48:06,192 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:06" (1/1) ... [2024-11-28 02:48:06,196 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:06" (1/1) ... [2024-11-28 02:48:06,198 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:06" (1/1) ... [2024-11-28 02:48:06,199 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:06" (1/1) ... [2024-11-28 02:48:06,202 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:48:06,203 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:48:06,203 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:48:06,203 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:48:06,204 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:06" (1/1) ... [2024-11-28 02:48:06,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:48:06,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:48:06,243 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:48:06,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:48:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:48:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:48:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:48:06,271 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:48:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:48:06,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:48:06,363 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:48:06,365 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:48:06,909 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-28 02:48:06,910 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:48:06,924 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:48:06,925 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:48:06,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:48:06 BoogieIcfgContainer [2024-11-28 02:48:06,925 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:48:06,946 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:48:06,947 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:48:06,953 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:48:06,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:48:05" (1/3) ... [2024-11-28 02:48:06,953 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c9506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:48:06, skipping insertion in model container [2024-11-28 02:48:06,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:06" (2/3) ... [2024-11-28 02:48:06,954 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c9506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:48:06, skipping insertion in model container [2024-11-28 02:48:06,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:48:06" (3/3) ... [2024-11-28 02:48:06,955 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-42.i [2024-11-28 02:48:06,973 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:48:06,975 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-42.i that has 2 procedures, 70 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:48:07,042 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:48:07,053 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;@39e84aa5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:48:07,053 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:48:07,057 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-28 02:48:07,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-28 02:48:07,069 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:07,069 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:48:07,070 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:48:07,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:07,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1882836578, now seen corresponding path program 1 times [2024-11-28 02:48:07,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:48:07,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [397474811] [2024-11-28 02:48:07,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:07,086 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 02:48:07,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:48:07,088 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/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 02:48:07,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/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 02:48:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:07,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:48:07,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:48:07,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2024-11-28 02:48:07,452 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:48:07,452 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:48:07,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [397474811] [2024-11-28 02:48:07,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [397474811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:48:07,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:48:07,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:48:07,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871763208] [2024-11-28 02:48:07,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:48:07,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:48:07,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:48:07,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:48:07,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:48:07,486 INFO L87 Difference]: Start difference. First operand has 70 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 02:48:07,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:48:07,524 INFO L93 Difference]: Finished difference Result 133 states and 229 transitions. [2024-11-28 02:48:07,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:48:07,527 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 148 [2024-11-28 02:48:07,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:48:07,535 INFO L225 Difference]: With dead ends: 133 [2024-11-28 02:48:07,536 INFO L226 Difference]: Without dead ends: 66 [2024-11-28 02:48:07,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 147 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 02:48:07,545 INFO L435 NwaCegarLoop]: 99 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, 99 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 02:48:07,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:48:07,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-28 02:48:07,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-28 02:48:07,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 41 states have internal predecessors, (53), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-28 02:48:07,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 99 transitions. [2024-11-28 02:48:07,587 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 99 transitions. Word has length 148 [2024-11-28 02:48:07,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:48:07,588 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 99 transitions. [2024-11-28 02:48:07,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 02:48:07,589 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 99 transitions. [2024-11-28 02:48:07,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-28 02:48:07,592 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:07,592 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:48:07,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/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 02:48:07,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/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 02:48:07,793 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:48:07,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:07,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1613160800, now seen corresponding path program 1 times [2024-11-28 02:48:07,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:48:07,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1327148392] [2024-11-28 02:48:07,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:07,795 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 02:48:07,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:48:07,799 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/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 02:48:07,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/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 02:48:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:08,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 02:48:08,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:48:08,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 108 proven. 63 refuted. 0 times theorem prover too weak. 841 trivial. 0 not checked. [2024-11-28 02:48:08,699 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:48:08,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-28 02:48:08,928 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:48:08,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1327148392] [2024-11-28 02:48:08,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1327148392] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:48:08,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:48:08,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-11-28 02:48:08,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719781016] [2024-11-28 02:48:08,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:48:08,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:48:08,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:48:08,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:48:08,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:48:08,933 INFO L87 Difference]: Start difference. First operand 66 states and 99 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 02:48:09,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:48:09,256 INFO L93 Difference]: Finished difference Result 149 states and 223 transitions. [2024-11-28 02:48:09,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:48:09,259 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 148 [2024-11-28 02:48:09,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:48:09,261 INFO L225 Difference]: With dead ends: 149 [2024-11-28 02:48:09,262 INFO L226 Difference]: Without dead ends: 86 [2024-11-28 02:48:09,262 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:48:09,263 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 23 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:48:09,264 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 275 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:48:09,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-28 02:48:09,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 74. [2024-11-28 02:48:09,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 49 states have internal predecessors, (65), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-28 02:48:09,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 111 transitions. [2024-11-28 02:48:09,285 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 111 transitions. Word has length 148 [2024-11-28 02:48:09,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:48:09,287 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 111 transitions. [2024-11-28 02:48:09,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 02:48:09,287 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2024-11-28 02:48:09,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-28 02:48:09,293 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:09,293 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:48:09,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-28 02:48:09,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/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 02:48:09,494 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:48:09,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:09,495 INFO L85 PathProgramCache]: Analyzing trace with hash -2109701824, now seen corresponding path program 1 times [2024-11-28 02:48:09,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:48:09,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [111840574] [2024-11-28 02:48:09,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:09,496 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 02:48:09,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:48:09,498 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/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 02:48:09,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6704ba7-3bd7-4bb2-92eb-2fb8decff560/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-28 02:48:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:09,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-28 02:48:09,824 INFO L279 TraceCheckSpWp]: Computing forward predicates...