./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.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_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/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_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/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_61066907-39da-439a-9801-cceaac8df18f/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 836ad92e304b81ed0820392d23ad5f20819734bbfce0803ec8d4151f7117c333 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:04:27,330 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:04:27,423 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:04:27,431 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:04:27,431 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:04:27,470 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:04:27,471 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:04:27,473 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:04:27,474 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:04:27,474 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:04:27,475 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:04:27,475 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:04:27,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:04:27,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:04:27,475 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:04:27,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:04:27,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:04:27,476 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:04:27,476 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:04:27,476 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:04:27,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:04:27,476 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:04:27,476 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:04:27,476 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:04:27,476 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:04:27,476 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:04:27,477 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:04:27,477 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:04:27,477 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:04:27,477 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:04:27,478 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:04:27,478 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:04:27,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:04:27,478 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:04:27,478 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:04:27,478 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:04:27,478 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:04:27,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:04:27,479 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:04:27,479 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:04:27,479 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:04:27,479 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:04:27,479 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:04:27,479 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:04:27,480 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:04:27,480 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:04:27,480 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:04:27,480 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:04:27,480 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_61066907-39da-439a-9801-cceaac8df18f/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 -> 836ad92e304b81ed0820392d23ad5f20819734bbfce0803ec8d4151f7117c333 [2024-11-28 03:04:27,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:04:27,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:04:27,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:04:27,832 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:04:27,833 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:04:27,835 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i [2024-11-28 03:04:30,782 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/data/804abfd8a/51168f5f56f142c88b202dde7e432899/FLAGe77ffbcb1 [2024-11-28 03:04:31,065 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:04:31,066 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i [2024-11-28 03:04:31,077 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/data/804abfd8a/51168f5f56f142c88b202dde7e432899/FLAGe77ffbcb1 [2024-11-28 03:04:31,099 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/data/804abfd8a/51168f5f56f142c88b202dde7e432899 [2024-11-28 03:04:31,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:04:31,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:04:31,106 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:04:31,106 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:04:31,111 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:04:31,112 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:04:31" (1/1) ... [2024-11-28 03:04:31,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c1380e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:31, skipping insertion in model container [2024-11-28 03:04:31,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:04:31" (1/1) ... [2024-11-28 03:04:31,138 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:04:31,319 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_61066907-39da-439a-9801-cceaac8df18f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i[913,926] [2024-11-28 03:04:31,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:04:31,423 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:04:31,437 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_61066907-39da-439a-9801-cceaac8df18f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i[913,926] [2024-11-28 03:04:31,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:04:31,509 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:04:31,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:31 WrapperNode [2024-11-28 03:04:31,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:04:31,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:04:31,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:04:31,512 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:04:31,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:31" (1/1) ... [2024-11-28 03:04:31,531 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:31" (1/1) ... [2024-11-28 03:04:31,570 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2024-11-28 03:04:31,571 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:04:31,571 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:04:31,571 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:04:31,571 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:04:31,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:31" (1/1) ... [2024-11-28 03:04:31,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:31" (1/1) ... [2024-11-28 03:04:31,584 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:31" (1/1) ... [2024-11-28 03:04:31,610 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 03:04:31,610 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:31" (1/1) ... [2024-11-28 03:04:31,610 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:31" (1/1) ... [2024-11-28 03:04:31,618 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:31" (1/1) ... [2024-11-28 03:04:31,619 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:31" (1/1) ... [2024-11-28 03:04:31,623 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:31" (1/1) ... [2024-11-28 03:04:31,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:31" (1/1) ... [2024-11-28 03:04:31,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:31" (1/1) ... [2024-11-28 03:04:31,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:04:31,630 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:04:31,630 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:04:31,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:04:31,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:31" (1/1) ... [2024-11-28 03:04:31,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:04:31,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:31,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:04:31,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:04:31,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:04:31,705 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:04:31,706 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:04:31,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:04:31,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:04:31,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:04:31,801 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:04:31,803 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:04:32,190 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-28 03:04:32,191 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:04:32,202 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:04:32,202 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:04:32,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:04:32 BoogieIcfgContainer [2024-11-28 03:04:32,203 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:04:32,206 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:04:32,206 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:04:32,211 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:04:32,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:04:31" (1/3) ... [2024-11-28 03:04:32,212 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38da5882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:04:32, skipping insertion in model container [2024-11-28 03:04:32,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:31" (2/3) ... [2024-11-28 03:04:32,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38da5882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:04:32, skipping insertion in model container [2024-11-28 03:04:32,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:04:32" (3/3) ... [2024-11-28 03:04:32,214 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-66.i [2024-11-28 03:04:32,231 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:04:32,232 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_normal_file-66.i that has 2 procedures, 70 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:04:32,315 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:04:32,328 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;@1cede067, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:04:32,328 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:04:32,332 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 42 states have internal predecessors, (58), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 03:04:32,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-28 03:04:32,345 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:04:32,346 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:04:32,347 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:04:32,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:32,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1412883533, now seen corresponding path program 1 times [2024-11-28 03:04:32,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:04:32,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644741003] [2024-11-28 03:04:32,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:32,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:04:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:32,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2024-11-28 03:04:32,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:04:32,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644741003] [2024-11-28 03:04:32,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644741003] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:04:32,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653962274] [2024-11-28 03:04:32,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:32,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:04:32,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:32,789 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:04:32,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:04:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:33,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:04:33,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:33,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2024-11-28 03:04:33,088 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:04:33,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653962274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:04:33,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:04:33,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:04:33,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902145077] [2024-11-28 03:04:33,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:04:33,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:04:33,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:04:33,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:04:33,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:04:33,125 INFO L87 Difference]: Start difference. First operand has 70 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 42 states have internal predecessors, (58), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-28 03:04:33,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:04:33,163 INFO L93 Difference]: Finished difference Result 133 states and 240 transitions. [2024-11-28 03:04:33,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:04:33,167 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 160 [2024-11-28 03:04:33,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:04:33,175 INFO L225 Difference]: With dead ends: 133 [2024-11-28 03:04:33,175 INFO L226 Difference]: Without dead ends: 66 [2024-11-28 03:04:33,179 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 161 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 03:04:33,184 INFO L435 NwaCegarLoop]: 103 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, 103 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 03:04:33,184 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:04:33,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-28 03:04:33,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-28 03:04:33,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 38 states have internal predecessors, (51), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 03:04:33,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 103 transitions. [2024-11-28 03:04:33,224 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 103 transitions. Word has length 160 [2024-11-28 03:04:33,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:04:33,224 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 103 transitions. [2024-11-28 03:04:33,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-28 03:04:33,224 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 103 transitions. [2024-11-28 03:04:33,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-28 03:04:33,228 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:04:33,228 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:04:33,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:04:33,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 03:04:33,429 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:04:33,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:33,430 INFO L85 PathProgramCache]: Analyzing trace with hash -2025399539, now seen corresponding path program 1 times [2024-11-28 03:04:33,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:04:33,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518449418] [2024-11-28 03:04:33,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:33,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:04:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:05:08,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-28 03:05:08,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:05:08,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518449418] [2024-11-28 03:05:08,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518449418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:05:08,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:05:08,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 03:05:08,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248120102] [2024-11-28 03:05:08,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:05:08,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:05:08,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:05:08,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:05:08,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:05:08,039 INFO L87 Difference]: Start difference. First operand 66 states and 103 transitions. Second operand has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 03:05:10,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:05:10,652 INFO L93 Difference]: Finished difference Result 133 states and 197 transitions. [2024-11-28 03:05:10,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:05:10,653 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 160 [2024-11-28 03:05:10,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:05:10,655 INFO L225 Difference]: With dead ends: 133 [2024-11-28 03:05:10,655 INFO L226 Difference]: Without dead ends: 131 [2024-11-28 03:05:10,656 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:05:10,657 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 131 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:05:10,657 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 521 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 03:05:10,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-28 03:05:10,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 77. [2024-11-28 03:05:10,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 49 states have internal predecessors, (70), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 03:05:10,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 122 transitions. [2024-11-28 03:05:10,674 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 122 transitions. Word has length 160 [2024-11-28 03:05:10,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:05:10,676 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 122 transitions. [2024-11-28 03:05:10,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 03:05:10,676 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 122 transitions. [2024-11-28 03:05:10,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-28 03:05:10,679 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:05:10,679 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:10,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:05:10,679 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:05:10,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:05:10,680 INFO L85 PathProgramCache]: Analyzing trace with hash 494560395, now seen corresponding path program 1 times [2024-11-28 03:05:10,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:05:10,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182507944] [2024-11-28 03:05:10,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:05:10,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:05:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:05:31,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-28 03:05:31,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:05:31,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182507944] [2024-11-28 03:05:31,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182507944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:05:31,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:05:31,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 03:05:31,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680835741] [2024-11-28 03:05:31,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:05:31,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:05:31,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:05:31,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:05:31,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:05:31,427 INFO L87 Difference]: Start difference. First operand 77 states and 122 transitions. Second operand has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 03:05:34,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:05:34,714 INFO L93 Difference]: Finished difference Result 128 states and 192 transitions. [2024-11-28 03:05:34,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:05:34,717 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 160 [2024-11-28 03:05:34,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:05:34,719 INFO L225 Difference]: With dead ends: 128 [2024-11-28 03:05:34,719 INFO L226 Difference]: Without dead ends: 126 [2024-11-28 03:05:34,719 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:05:34,724 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 128 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:05:34,725 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 467 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 03:05:34,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-28 03:05:34,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 77. [2024-11-28 03:05:34,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 49 states have internal predecessors, (70), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 03:05:34,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 122 transitions. [2024-11-28 03:05:34,756 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 122 transitions. Word has length 160 [2024-11-28 03:05:34,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:05:34,759 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 122 transitions. [2024-11-28 03:05:34,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 03:05:34,760 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 122 transitions. [2024-11-28 03:05:34,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-28 03:05:34,767 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:05:34,767 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:34,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:05:34,768 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:05:34,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:05:34,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1345341169, now seen corresponding path program 1 times [2024-11-28 03:05:34,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:05:34,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72710451] [2024-11-28 03:05:34,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:05:34,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:05:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:05:35,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-28 03:05:35,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:05:35,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72710451] [2024-11-28 03:05:35,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72710451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:05:35,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:05:35,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:05:35,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017165153] [2024-11-28 03:05:35,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:05:35,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:05:35,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:05:35,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:05:35,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:05:35,352 INFO L87 Difference]: Start difference. First operand 77 states and 122 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-28 03:05:35,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:05:35,866 INFO L93 Difference]: Finished difference Result 182 states and 286 transitions. [2024-11-28 03:05:35,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:05:35,867 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 160 [2024-11-28 03:05:35,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:05:35,869 INFO L225 Difference]: With dead ends: 182 [2024-11-28 03:05:35,869 INFO L226 Difference]: Without dead ends: 108 [2024-11-28 03:05:35,870 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:05:35,874 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 195 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:05:35,874 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 150 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:05:35,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-28 03:05:35,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 105. [2024-11-28 03:05:35,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 68 states have (on average 1.3970588235294117) internal successors, (95), 69 states have internal predecessors, (95), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 03:05:35,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 163 transitions. [2024-11-28 03:05:35,903 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 163 transitions. Word has length 160 [2024-11-28 03:05:35,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:05:35,904 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 163 transitions. [2024-11-28 03:05:35,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-28 03:05:35,905 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 163 transitions. [2024-11-28 03:05:35,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-28 03:05:35,907 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:05:35,907 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:35,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:05:35,908 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:05:35,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:05:35,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1649506112, now seen corresponding path program 1 times [2024-11-28 03:05:35,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:05:35,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417889340] [2024-11-28 03:05:35,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:05:35,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:05:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:05:36,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [364358621] [2024-11-28 03:05:36,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:05:36,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:05:36,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:05:36,011 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:05:36,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:05:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:05:36,232 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:05:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:05:36,404 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:05:36,404 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:05:36,406 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:05:36,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 03:05:36,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:05:36,613 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-28 03:05:36,782 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:05:36,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:05:36 BoogieIcfgContainer [2024-11-28 03:05:36,787 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:05:36,788 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:05:36,788 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:05:36,788 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:05:36,789 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:04:32" (3/4) ... [2024-11-28 03:05:36,793 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:05:36,794 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:05:36,795 INFO L158 Benchmark]: Toolchain (without parser) took 65691.75ms. Allocated memory was 117.4MB in the beginning and 847.2MB in the end (delta: 729.8MB). Free memory was 92.7MB in the beginning and 656.2MB in the end (delta: -563.5MB). Peak memory consumption was 165.9MB. Max. memory is 16.1GB. [2024-11-28 03:05:36,795 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 117.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:05:36,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.80ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 78.7MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:05:36,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.12ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 75.8MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:05:36,796 INFO L158 Benchmark]: Boogie Preprocessor took 58.00ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 71.7MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:05:36,798 INFO L158 Benchmark]: RCFGBuilder took 572.63ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 51.1MB in the end (delta: 20.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:05:36,799 INFO L158 Benchmark]: TraceAbstraction took 64581.52ms. Allocated memory was 117.4MB in the beginning and 847.2MB in the end (delta: 729.8MB). Free memory was 50.6MB in the beginning and 656.4MB in the end (delta: -605.8MB). Peak memory consumption was 124.0MB. Max. memory is 16.1GB. [2024-11-28 03:05:36,799 INFO L158 Benchmark]: Witness Printer took 6.23ms. Allocated memory is still 847.2MB. Free memory was 656.4MB in the beginning and 656.2MB in the end (delta: 177.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:05:36,801 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 117.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.80ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 78.7MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.12ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 75.8MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.00ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 71.7MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 572.63ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 51.1MB in the end (delta: 20.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 64581.52ms. Allocated memory was 117.4MB in the beginning and 847.2MB in the end (delta: 729.8MB). Free memory was 50.6MB in the beginning and 656.4MB in the end (delta: -605.8MB). Peak memory consumption was 124.0MB. Max. memory is 16.1GB. * Witness Printer took 6.23ms. Allocated memory is still 847.2MB. Free memory was 656.4MB in the beginning and 656.2MB in the end (delta: 177.7kB). 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 someBinaryDOUBLEComparisonOperation at line 129. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 50; [L23] unsigned char var_1_2 = 0; [L24] signed char var_1_3 = 8; [L25] signed char var_1_4 = 10; [L26] double var_1_5 = 16.5; [L27] signed char var_1_6 = 64; [L28] signed char var_1_7 = 2; [L29] unsigned short int var_1_8 = 256; [L30] unsigned char var_1_9 = 0; [L31] unsigned short int var_1_10 = 63583; [L32] unsigned short int var_1_11 = 33789; [L33] unsigned char var_1_12 = 1; [L34] unsigned char var_1_13 = 1; [L35] unsigned char var_1_14 = 0; [L36] signed long int var_1_15 = 8; [L37] signed short int var_1_16 = -16; [L38] unsigned short int var_1_17 = 32; [L39] signed short int var_1_18 = 16; [L40] signed short int var_1_19 = 25; [L41] signed short int var_1_20 = 25; [L42] signed short int var_1_21 = 50; VAL [isInitial=0, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=0, var_1_3=8, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L133] isInitial = 1 [L134] FCALL initially() [L136] FCALL updateLastVariables() [L137] CALL updateVariables() [L86] var_1_2 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=8, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=8, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L87] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=8, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L88] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=8, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=8, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L88] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=8, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L89] var_1_3 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_3 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L90] RET assume_abort_if_not(var_1_3 >= -63) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L91] CALL assume_abort_if_not(var_1_3 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L91] RET assume_abort_if_not(var_1_3 <= 63) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L92] var_1_4 = __VERIFIER_nondet_char() [L93] CALL assume_abort_if_not(var_1_4 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L93] RET assume_abort_if_not(var_1_4 >= -63) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L94] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L94] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L95] var_1_6 = __VERIFIER_nondet_char() [L96] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=2, var_1_8=256, var_1_9=0] [L96] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=2, var_1_8=256, var_1_9=0] [L97] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=2, var_1_8=256, var_1_9=0] [L97] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=2, var_1_8=256, var_1_9=0] [L98] var_1_7 = __VERIFIER_nondet_char() [L99] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=0] [L99] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=0] [L100] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=0] [L100] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=0] [L101] var_1_9 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256] [L102] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256] [L103] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L103] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L104] var_1_10 = __VERIFIER_nondet_ushort() [L105] CALL assume_abort_if_not(var_1_10 >= 49150) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L105] RET assume_abort_if_not(var_1_10 >= 49150) VAL [isInitial=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L106] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L106] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L107] var_1_11 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_11 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L108] RET assume_abort_if_not(var_1_11 >= 32767) VAL [isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L109] CALL assume_abort_if_not(var_1_11 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L109] RET assume_abort_if_not(var_1_11 <= 65534) VAL [isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L110] var_1_13 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L111] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L112] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L112] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L113] var_1_14 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L114] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L115] CALL assume_abort_if_not(var_1_14 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L115] RET assume_abort_if_not(var_1_14 <= 0) VAL [isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L116] var_1_17 = __VERIFIER_nondet_ushort() [L117] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L117] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L118] CALL assume_abort_if_not(var_1_17 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L118] RET assume_abort_if_not(var_1_17 <= 65535) VAL [isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L119] var_1_20 = __VERIFIER_nondet_short() [L120] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L120] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L121] CALL assume_abort_if_not(var_1_20 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L121] RET assume_abort_if_not(var_1_20 <= 16383) VAL [isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=50, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L122] var_1_21 = __VERIFIER_nondet_short() [L123] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L123] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L124] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L124] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L137] RET updateVariables() [L138] CALL step() [L46] COND TRUE \read(var_1_2) [L47] var_1_1 = (var_1_3 + var_1_4) VAL [isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=-126, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L49] COND TRUE var_1_4 >= (var_1_6 - var_1_7) VAL [isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=-126, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/2, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L50] COND TRUE \read(var_1_2) [L51] var_1_5 = 8.25 VAL [isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=-126, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/4, var_1_6=61, var_1_7=127, var_1_8=256, var_1_9=1] [L54] COND FALSE !(-25 == var_1_6) [L59] var_1_8 = ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))) VAL [isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=-126, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/4, var_1_6=61, var_1_7=127, var_1_8=32767, var_1_9=1] [L61] COND TRUE var_1_8 >= var_1_7 [L62] var_1_12 = (! var_1_14) VAL [isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=-126, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/4, var_1_6=61, var_1_7=127, var_1_8=32767, var_1_9=1] [L64] COND TRUE -64 > (var_1_6 + var_1_1) [L65] var_1_15 = (var_1_11 - var_1_7) VAL [isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=32640, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=-126, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/4, var_1_6=61, var_1_7=127, var_1_8=32767, var_1_9=1] [L73] COND FALSE !(var_1_8 > (((((var_1_11) > (var_1_17)) ? (var_1_11) : (var_1_17))) + (var_1_15 / var_1_10))) VAL [isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=32640, var_1_16=-16, var_1_17=-32769, var_1_18=16, var_1_19=25, var_1_1=-126, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/4, var_1_6=61, var_1_7=127, var_1_8=32767, var_1_9=1] [L76] COND TRUE var_1_1 < var_1_6 [L77] var_1_18 = (var_1_6 - var_1_7) VAL [isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=32640, var_1_16=-16, var_1_17=-32769, var_1_18=-66, var_1_19=25, var_1_1=-126, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/4, var_1_6=61, var_1_7=127, var_1_8=32767, var_1_9=1] [L81] COND TRUE \read(var_1_13) [L82] var_1_19 = ((var_1_7 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21)))) + var_1_6) VAL [isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=32640, var_1_16=-16, var_1_17=-32769, var_1_18=-66, var_1_19=188, var_1_1=-126, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/4, var_1_6=61, var_1_7=127, var_1_8=32767, var_1_9=1] [L138] RET step() [L139] CALL, EXPR property() [L129-L130] return (((((((var_1_2 ? (var_1_1 == ((signed char) (var_1_3 + var_1_4))) : 1) && ((var_1_4 >= (var_1_6 - var_1_7)) ? (var_1_2 ? (var_1_5 == ((double) 8.25)) : 1) : 1)) && ((-25 == var_1_6) ? ((var_1_2 && var_1_9) ? (var_1_8 == ((unsigned short int) ((((((var_1_10 - 10) - 16)) > ((var_1_11 - var_1_7))) ? (((var_1_10 - 10) - 16)) : ((var_1_11 - var_1_7)))))) : 1) : (var_1_8 == ((unsigned short int) ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))))))) && ((var_1_8 >= var_1_7) ? (var_1_12 == ((unsigned char) (! var_1_14))) : 1)) && ((-64 > (var_1_6 + var_1_1)) ? (var_1_15 == ((signed long int) (var_1_11 - var_1_7))) : ((! var_1_12) ? (var_1_12 ? (var_1_15 == ((signed long int) 4)) : 1) : 1))) && ((var_1_8 > (((((var_1_11) > (var_1_17)) ? (var_1_11) : (var_1_17))) + (var_1_15 / var_1_10))) ? (var_1_16 == ((signed short int) var_1_4)) : 1)) && ((var_1_1 < var_1_6) ? (var_1_18 == ((signed short int) (var_1_6 - var_1_7))) : (var_1_18 == ((signed short int) (((((var_1_6 + var_1_4)) < (var_1_1)) ? ((var_1_6 + var_1_4)) : (var_1_1))))))) && (var_1_13 ? (var_1_19 == ((signed short int) ((var_1_7 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21)))) + var_1_6))) : 1) ; VAL [\result=0, isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=32640, var_1_16=-16, var_1_17=-32769, var_1_18=-66, var_1_19=188, var_1_1=-126, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/4, var_1_6=61, var_1_7=127, var_1_8=32767, var_1_9=1] [L139] RET, EXPR property() [L139] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=32640, var_1_16=-16, var_1_17=-32769, var_1_18=-66, var_1_19=188, var_1_1=-126, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/4, var_1_6=61, var_1_7=127, var_1_8=32767, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=32640, var_1_16=-16, var_1_17=-32769, var_1_18=-66, var_1_19=188, var_1_1=-126, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=-63, var_1_4=-63, var_1_5=33/4, var_1_6=61, var_1_7=127, var_1_8=32767, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 64.3s, OverallIterations: 5, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 454 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 454 mSDsluCounter, 1241 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 860 mSDsCounter, 63 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 575 IncrementalHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 63 mSolverCounterUnsat, 381 mSDtfsCounter, 575 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 197 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 9.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=4, InterpolantAutomatonStates: 30, 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, 4 MinimizatonAttempts, 106 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 55.8s InterpolantComputationTime, 1122 NumberOfCodeBlocks, 1122 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 795 ConstructedInterpolants, 0 QuantifiedInterpolants, 4519 SizeOfPredicates, 0 NumberOfNonLiveVariables, 356 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 6450/6500 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 03:05:36,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/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_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/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_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/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_61066907-39da-439a-9801-cceaac8df18f/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 836ad92e304b81ed0820392d23ad5f20819734bbfce0803ec8d4151f7117c333 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:05:39,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:05:39,879 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 03:05:39,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:05:39,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:05:39,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:05:39,928 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:05:39,931 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:05:39,931 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:05:39,931 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:05:39,931 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:05:39,932 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:05:39,932 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:05:39,932 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:05:39,932 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:05:39,933 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:05:39,933 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:05:39,934 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:05:39,934 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:05:39,935 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:05:39,935 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:05:39,935 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:05:39,935 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:05:39,935 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:05:39,935 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:05:39,935 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:05:39,936 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:05:39,936 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:05:39,936 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:05:39,936 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:05:39,936 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:05:39,937 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:05:39,937 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:05:39,937 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:05:39,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:05:39,938 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:05:39,938 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:05:39,938 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:05:39,938 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:05:39,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:05:39,939 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:05:39,939 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:05:39,939 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:05:39,939 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:05:39,940 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:05:39,940 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:05:39,940 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:05:39,940 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:05:39,940 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:05:39,941 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:05:39,941 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_61066907-39da-439a-9801-cceaac8df18f/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 -> 836ad92e304b81ed0820392d23ad5f20819734bbfce0803ec8d4151f7117c333 [2024-11-28 03:05:40,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:05:40,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:05:40,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:05:40,305 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:05:40,305 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:05:40,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i [2024-11-28 03:05:43,884 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/data/5ae95d2ff/f84325df60e94743ad7b7acf06a43a1c/FLAGb7d36df27 [2024-11-28 03:05:44,276 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:05:44,277 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i [2024-11-28 03:05:44,299 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/data/5ae95d2ff/f84325df60e94743ad7b7acf06a43a1c/FLAGb7d36df27 [2024-11-28 03:05:44,326 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/data/5ae95d2ff/f84325df60e94743ad7b7acf06a43a1c [2024-11-28 03:05:44,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:05:44,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:05:44,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:05:44,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:05:44,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:05:44,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:44" (1/1) ... [2024-11-28 03:05:44,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@370d18f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:44, skipping insertion in model container [2024-11-28 03:05:44,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:44" (1/1) ... [2024-11-28 03:05:44,374 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:05:44,577 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_61066907-39da-439a-9801-cceaac8df18f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i[913,926] [2024-11-28 03:05:44,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:05:44,708 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:05:44,722 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_61066907-39da-439a-9801-cceaac8df18f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i[913,926] [2024-11-28 03:05:44,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:05:44,780 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:05:44,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:44 WrapperNode [2024-11-28 03:05:44,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:05:44,783 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:05:44,783 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:05:44,783 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:05:44,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:44" (1/1) ... [2024-11-28 03:05:44,803 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:44" (1/1) ... [2024-11-28 03:05:44,849 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2024-11-28 03:05:44,850 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:05:44,850 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:05:44,852 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:05:44,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:05:44,864 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:44" (1/1) ... [2024-11-28 03:05:44,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:44" (1/1) ... [2024-11-28 03:05:44,869 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:44" (1/1) ... [2024-11-28 03:05:44,894 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 03:05:44,899 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:44" (1/1) ... [2024-11-28 03:05:44,899 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:44" (1/1) ... [2024-11-28 03:05:44,917 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:44" (1/1) ... [2024-11-28 03:05:44,923 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:44" (1/1) ... [2024-11-28 03:05:44,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:44" (1/1) ... [2024-11-28 03:05:44,933 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:44" (1/1) ... [2024-11-28 03:05:44,938 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:44" (1/1) ... [2024-11-28 03:05:44,946 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:05:44,947 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:05:44,947 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:05:44,947 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:05:44,948 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:44" (1/1) ... [2024-11-28 03:05:44,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:05:44,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:05:44,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:05:45,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:05:45,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:05:45,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:05:45,046 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:05:45,046 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:05:45,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:05:45,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:05:45,178 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:05:45,180 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:05:45,707 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-28 03:05:45,707 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:05:45,720 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:05:45,721 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:05:45,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:45 BoogieIcfgContainer [2024-11-28 03:05:45,722 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:05:45,724 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:05:45,724 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:05:45,731 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:05:45,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:05:44" (1/3) ... [2024-11-28 03:05:45,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@652b063f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:05:45, skipping insertion in model container [2024-11-28 03:05:45,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:44" (2/3) ... [2024-11-28 03:05:45,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@652b063f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:05:45, skipping insertion in model container [2024-11-28 03:05:45,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:45" (3/3) ... [2024-11-28 03:05:45,734 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-66.i [2024-11-28 03:05:45,753 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:05:45,754 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_normal_file-66.i that has 2 procedures, 70 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:05:45,848 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:05:45,871 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;@5cedcc37, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:05:45,871 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:05:45,877 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 42 states have internal predecessors, (58), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 03:05:45,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-28 03:05:45,897 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:05:45,898 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:45,899 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:05:45,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:05:45,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1412883533, now seen corresponding path program 1 times [2024-11-28 03:05:45,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:05:45,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [915062965] [2024-11-28 03:05:45,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:05:45,931 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 03:05:45,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:05:45,937 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/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 03:05:45,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/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 03:05:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:05:46,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:05:46,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:05:46,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2024-11-28 03:05:46,383 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:05:46,384 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:05:46,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [915062965] [2024-11-28 03:05:46,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [915062965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:05:46,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:05:46,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:05:46,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964544468] [2024-11-28 03:05:46,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:05:46,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:05:46,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:05:46,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:05:46,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:05:46,431 INFO L87 Difference]: Start difference. First operand has 70 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 42 states have internal predecessors, (58), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-28 03:05:46,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:05:46,483 INFO L93 Difference]: Finished difference Result 133 states and 240 transitions. [2024-11-28 03:05:46,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:05:46,487 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 160 [2024-11-28 03:05:46,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:05:46,497 INFO L225 Difference]: With dead ends: 133 [2024-11-28 03:05:46,499 INFO L226 Difference]: Without dead ends: 66 [2024-11-28 03:05:46,504 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 159 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 03:05:46,511 INFO L435 NwaCegarLoop]: 103 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, 103 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 03:05:46,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:05:46,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-28 03:05:46,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-28 03:05:46,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 38 states have internal predecessors, (51), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 03:05:46,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 103 transitions. [2024-11-28 03:05:46,590 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 103 transitions. Word has length 160 [2024-11-28 03:05:46,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:05:46,592 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 103 transitions. [2024-11-28 03:05:46,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-28 03:05:46,593 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 103 transitions. [2024-11-28 03:05:46,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-28 03:05:46,599 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:05:46,600 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:46,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/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 03:05:46,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/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 03:05:46,801 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:05:46,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:05:46,803 INFO L85 PathProgramCache]: Analyzing trace with hash -2025399539, now seen corresponding path program 1 times [2024-11-28 03:05:46,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:05:46,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [148494826] [2024-11-28 03:05:46,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:05:46,804 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 03:05:46,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:05:46,810 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/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 03:05:46,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61066907-39da-439a-9801-cceaac8df18f/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 03:05:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:05:47,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 03:05:47,219 INFO L279 TraceCheckSpWp]: Computing forward predicates...