./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-59.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_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1 --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 a2e7bc86c416f082f6cbd3468de78760603e8d7fefbcdca8dd6e4ac6b460db48 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-01 23:13:35,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-01 23:13:35,194 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-01 23:13:35,199 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-01 23:13:35,199 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-01 23:13:35,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-01 23:13:35,221 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-01 23:13:35,221 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-01 23:13:35,221 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-01 23:13:35,221 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-01 23:13:35,221 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-01 23:13:35,222 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-01 23:13:35,222 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-01 23:13:35,222 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-01 23:13:35,222 INFO L153 SettingsManager]: * Use SBE=true [2024-12-01 23:13:35,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-01 23:13:35,222 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-01 23:13:35,222 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-01 23:13:35,223 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-01 23:13:35,223 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-01 23:13:35,223 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-01 23:13:35,223 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-01 23:13:35,223 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-01 23:13:35,223 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-01 23:13:35,223 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-01 23:13:35,223 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-01 23:13:35,223 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-01 23:13:35,223 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-01 23:13:35,223 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-01 23:13:35,223 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:13:35,224 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:13:35,224 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:13:35,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:13:35,224 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-01 23:13:35,224 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:13:35,224 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:13:35,224 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:13:35,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:13:35,224 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-01 23:13:35,224 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-01 23:13:35,224 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-01 23:13:35,224 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-01 23:13:35,225 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-01 23:13:35,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-01 23:13:35,225 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-01 23:13:35,225 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-01 23:13:35,225 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-01 23:13:35,225 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-01 23:13:35,225 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_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1 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 -> a2e7bc86c416f082f6cbd3468de78760603e8d7fefbcdca8dd6e4ac6b460db48 [2024-12-01 23:13:35,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-01 23:13:35,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-01 23:13:35,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-01 23:13:35,458 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-01 23:13:35,458 INFO L274 PluginConnector]: CDTParser initialized [2024-12-01 23:13:35,459 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-59.i [2024-12-01 23:13:38,053 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/data/efb90f5f7/e3d46041daab4773a8e1455e5ea8bdbb/FLAG306a9994b [2024-12-01 23:13:38,263 INFO L384 CDTParser]: Found 1 translation units. [2024-12-01 23:13:38,264 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-59.i [2024-12-01 23:13:38,270 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/data/efb90f5f7/e3d46041daab4773a8e1455e5ea8bdbb/FLAG306a9994b [2024-12-01 23:13:38,637 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/data/efb90f5f7/e3d46041daab4773a8e1455e5ea8bdbb [2024-12-01 23:13:38,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-01 23:13:38,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-01 23:13:38,641 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-01 23:13:38,642 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-01 23:13:38,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-01 23:13:38,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:13:38" (1/1) ... [2024-12-01 23:13:38,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17b695a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:38, skipping insertion in model container [2024-12-01 23:13:38,647 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:13:38" (1/1) ... [2024-12-01 23:13:38,661 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-01 23:13:38,785 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_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-59.i[915,928] [2024-12-01 23:13:38,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:13:38,835 INFO L200 MainTranslator]: Completed pre-run [2024-12-01 23:13:38,845 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_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-59.i[915,928] [2024-12-01 23:13:38,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:13:38,878 INFO L204 MainTranslator]: Completed translation [2024-12-01 23:13:38,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:38 WrapperNode [2024-12-01 23:13:38,879 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-01 23:13:38,880 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-01 23:13:38,880 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-01 23:13:38,880 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-01 23:13:38,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:38" (1/1) ... [2024-12-01 23:13:38,893 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:38" (1/1) ... [2024-12-01 23:13:38,912 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 134 [2024-12-01 23:13:38,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-01 23:13:38,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-01 23:13:38,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-01 23:13:38,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-01 23:13:38,921 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:38" (1/1) ... [2024-12-01 23:13:38,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:38" (1/1) ... [2024-12-01 23:13:38,923 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:38" (1/1) ... [2024-12-01 23:13:38,934 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]. [2024-12-01 23:13:38,934 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:38" (1/1) ... [2024-12-01 23:13:38,935 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:38" (1/1) ... [2024-12-01 23:13:38,939 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:38" (1/1) ... [2024-12-01 23:13:38,940 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:38" (1/1) ... [2024-12-01 23:13:38,943 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:38" (1/1) ... [2024-12-01 23:13:38,944 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:38" (1/1) ... [2024-12-01 23:13:38,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:38" (1/1) ... [2024-12-01 23:13:38,947 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-01 23:13:38,947 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-01 23:13:38,948 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-01 23:13:38,948 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-01 23:13:38,948 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:38" (1/1) ... [2024-12-01 23:13:38,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:13:38,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:13:38,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-01 23:13:38,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-01 23:13:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-01 23:13:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-01 23:13:38,996 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-01 23:13:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-01 23:13:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-01 23:13:38,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-01 23:13:39,055 INFO L234 CfgBuilder]: Building ICFG [2024-12-01 23:13:39,057 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-01 23:13:39,226 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-01 23:13:39,227 INFO L283 CfgBuilder]: Performing block encoding [2024-12-01 23:13:39,234 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-01 23:13:39,234 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-01 23:13:39,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:13:39 BoogieIcfgContainer [2024-12-01 23:13:39,235 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-01 23:13:39,236 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-01 23:13:39,236 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-01 23:13:39,239 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-01 23:13:39,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:13:38" (1/3) ... [2024-12-01 23:13:39,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d604be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:13:39, skipping insertion in model container [2024-12-01 23:13:39,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:38" (2/3) ... [2024-12-01 23:13:39,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d604be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:13:39, skipping insertion in model container [2024-12-01 23:13:39,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:13:39" (3/3) ... [2024-12-01 23:13:39,242 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-59.i [2024-12-01 23:13:39,253 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-01 23:13:39,254 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-59.i that has 2 procedures, 60 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-01 23:13:39,299 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-01 23:13:39,309 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;@7268cc9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-01 23:13:39,309 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-01 23:13:39,312 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 37 states have internal predecessors, (46), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-01 23:13:39,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-12-01 23:13:39,320 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:39,321 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:13:39,321 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:13:39,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:39,325 INFO L85 PathProgramCache]: Analyzing trace with hash 2068994391, now seen corresponding path program 1 times [2024-12-01 23:13:39,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:39,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536552536] [2024-12-01 23:13:39,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:39,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:39,542 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-12-01 23:13:39,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:13:39,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536552536] [2024-12-01 23:13:39,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536552536] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:13:39,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006819883] [2024-12-01 23:13:39,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:39,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:13:39,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:13:39,546 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:13:39,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-01 23:13:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:39,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-01 23:13:39,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:13:39,727 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-12-01 23:13:39,727 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:13:39,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006819883] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:13:39,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:13:39,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-01 23:13:39,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595423230] [2024-12-01 23:13:39,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:13:39,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-01 23:13:39,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:13:39,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-01 23:13:39,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 23:13:39,749 INFO L87 Difference]: Start difference. First operand has 60 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 37 states have internal predecessors, (46), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-01 23:13:39,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:39,765 INFO L93 Difference]: Finished difference Result 113 states and 191 transitions. [2024-12-01 23:13:39,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-01 23:13:39,767 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 132 [2024-12-01 23:13:39,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:39,771 INFO L225 Difference]: With dead ends: 113 [2024-12-01 23:13:39,771 INFO L226 Difference]: Without dead ends: 56 [2024-12-01 23:13:39,773 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 23:13:39,774 INFO L435 NwaCegarLoop]: 80 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, 80 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 [2024-12-01 23:13:39,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:13:39,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-12-01 23:13:39,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-12-01 23:13:39,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 33 states have internal predecessors, (38), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-01 23:13:39,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 80 transitions. [2024-12-01 23:13:39,804 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 80 transitions. Word has length 132 [2024-12-01 23:13:39,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:39,805 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 80 transitions. [2024-12-01 23:13:39,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-01 23:13:39,805 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 80 transitions. [2024-12-01 23:13:39,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-12-01 23:13:39,807 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:39,807 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:13:39,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-01 23:13:40,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-01 23:13:40,008 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:13:40,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:40,009 INFO L85 PathProgramCache]: Analyzing trace with hash -557139255, now seen corresponding path program 1 times [2024-12-01 23:13:40,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:40,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615484987] [2024-12-01 23:13:40,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:40,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:40,337 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-01 23:13:40,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:13:40,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615484987] [2024-12-01 23:13:40,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615484987] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:13:40,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:13:40,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:13:40,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447374042] [2024-12-01 23:13:40,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:13:40,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:13:40,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:13:40,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:13:40,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:13:40,340 INFO L87 Difference]: Start difference. First operand 56 states and 80 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-01 23:13:40,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:40,370 INFO L93 Difference]: Finished difference Result 109 states and 157 transitions. [2024-12-01 23:13:40,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:13:40,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 132 [2024-12-01 23:13:40,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:40,372 INFO L225 Difference]: With dead ends: 109 [2024-12-01 23:13:40,372 INFO L226 Difference]: Without dead ends: 56 [2024-12-01 23:13:40,373 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:13:40,374 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 0 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:13:40,374 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:13:40,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-12-01 23:13:40,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-12-01 23:13:40,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 33 states have (on average 1.121212121212121) internal successors, (37), 33 states have internal predecessors, (37), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-01 23:13:40,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 79 transitions. [2024-12-01 23:13:40,383 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 79 transitions. Word has length 132 [2024-12-01 23:13:40,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:40,384 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 79 transitions. [2024-12-01 23:13:40,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-01 23:13:40,385 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2024-12-01 23:13:40,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-01 23:13:40,387 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:40,387 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:13:40,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-01 23:13:40,387 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:13:40,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:40,388 INFO L85 PathProgramCache]: Analyzing trace with hash -327008013, now seen corresponding path program 1 times [2024-12-01 23:13:40,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:40,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210822794] [2024-12-01 23:13:40,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:40,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:13:40,490 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-01 23:13:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:13:40,596 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-01 23:13:40,596 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-01 23:13:40,597 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-01 23:13:40,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-01 23:13:40,602 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-01 23:13:40,674 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-01 23:13:40,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:13:40 BoogieIcfgContainer [2024-12-01 23:13:40,677 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-01 23:13:40,677 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-01 23:13:40,677 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-01 23:13:40,678 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-01 23:13:40,678 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:13:39" (3/4) ... [2024-12-01 23:13:40,680 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-01 23:13:40,681 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-01 23:13:40,681 INFO L158 Benchmark]: Toolchain (without parser) took 2041.21ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 92.1MB in the end (delta: 26.0MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2024-12-01 23:13:40,682 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:13:40,682 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.05ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 105.0MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-01 23:13:40,682 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.46ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 103.3MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-01 23:13:40,683 INFO L158 Benchmark]: Boogie Preprocessor took 34.09ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 101.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:13:40,683 INFO L158 Benchmark]: RCFGBuilder took 287.31ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 86.0MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-01 23:13:40,683 INFO L158 Benchmark]: TraceAbstraction took 1440.50ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 92.1MB in the end (delta: -6.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:13:40,683 INFO L158 Benchmark]: Witness Printer took 3.59ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 92.1MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:13:40,685 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.05ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 105.0MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.46ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 103.3MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.09ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 101.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 287.31ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 86.0MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1440.50ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 92.1MB in the end (delta: -6.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.59ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 92.1MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 111, overapproximation of someBinaryFLOATComparisonOperation at line 102, overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryFLOATComparisonOperation at line 61, overapproximation of someBinaryFLOATComparisonOperation at line 104, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 111, overapproximation of someBinaryDOUBLEComparisonOperation at line 60, overapproximation of someBinaryDOUBLEComparisonOperation at line 92, overapproximation of someBinaryArithmeticFLOAToperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -128; [L23] signed long int var_1_4 = -32; [L24] signed long int var_1_5 = 10; [L25] signed long int var_1_6 = -1; [L26] unsigned long int var_1_7 = 25; [L27] unsigned char var_1_8 = 1; [L28] unsigned long int var_1_9 = 2; [L29] unsigned long int var_1_10 = 32; [L30] unsigned long int var_1_11 = 128; [L31] float var_1_12 = 24.2; [L32] double var_1_13 = 999999999999999.2; [L33] double var_1_14 = 9999999.6; [L34] double var_1_15 = 9.75; [L35] float var_1_16 = 999999999999999.4; [L36] float var_1_17 = 256.6; [L37] float var_1_18 = 8.875; [L38] float var_1_19 = 256.25; [L39] signed long int last_1_var_1_1 = -128; [L40] unsigned long int last_1_var_1_7 = 25; VAL [isInitial=0, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-32, var_1_5=10, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L115] isInitial = 1 [L116] FCALL initially() [L118] CALL updateLastVariables() [L107] last_1_var_1_1 = var_1_1 [L108] last_1_var_1_7 = var_1_7 VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-32, var_1_5=10, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L118] RET updateLastVariables() [L119] CALL updateVariables() [L70] var_1_4 = __VERIFIER_nondet_long() [L71] CALL assume_abort_if_not(var_1_4 >= -536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=10, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=10, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L71] RET assume_abort_if_not(var_1_4 >= -536870911) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=10, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L72] CALL assume_abort_if_not(var_1_4 <= 536870912) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=10, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=10, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L72] RET assume_abort_if_not(var_1_4 <= 536870912) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=10, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L73] var_1_5 = __VERIFIER_nondet_long() [L74] CALL assume_abort_if_not(var_1_5 >= -536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L74] RET assume_abort_if_not(var_1_5 >= -536870911) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L75] CALL assume_abort_if_not(var_1_5 <= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L75] RET assume_abort_if_not(var_1_5 <= 536870911) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L76] var_1_6 = __VERIFIER_nondet_long() [L77] CALL assume_abort_if_not(var_1_6 >= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=1, var_1_9=2] [L77] RET assume_abort_if_not(var_1_6 >= -1073741823) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=1, var_1_9=2] [L78] CALL assume_abort_if_not(var_1_6 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=1, var_1_9=2] [L78] RET assume_abort_if_not(var_1_6 <= 1073741823) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=1, var_1_9=2] [L79] var_1_8 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_9=2] [L80] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_9=2] [L81] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=2] [L81] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=2] [L82] var_1_9 = __VERIFIER_nondet_ulong() [L83] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0] [L83] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0] [L84] CALL assume_abort_if_not(var_1_9 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L84] RET assume_abort_if_not(var_1_9 <= 4294967294) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L85] var_1_10 = __VERIFIER_nondet_ulong() [L86] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L86] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L87] CALL assume_abort_if_not(var_1_10 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L87] RET assume_abort_if_not(var_1_10 <= 4294967294) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L88] var_1_11 = __VERIFIER_nondet_ulong() [L89] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L89] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L90] CALL assume_abort_if_not(var_1_11 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L90] RET assume_abort_if_not(var_1_11 <= 4294967294) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L91] var_1_13 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L92] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L93] var_1_14 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L94] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L95] var_1_15 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L96] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L97] var_1_16 = __VERIFIER_nondet_float() [L98] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L98] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L99] var_1_17 = __VERIFIER_nondet_float() [L100] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L100] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L101] var_1_18 = __VERIFIER_nondet_float() [L102] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L102] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L103] var_1_19 = __VERIFIER_nondet_float() [L104] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L104] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L119] RET updateVariables() [L120] CALL step() [L44] COND TRUE ((((last_1_var_1_7) > (1)) ? (last_1_var_1_7) : (1))) <= (256 + last_1_var_1_1) [L45] var_1_1 = ((var_1_4 + var_1_5) + var_1_6) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_1=-1073741822, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L49] COND FALSE !(\read(var_1_8)) [L56] var_1_7 = var_1_11 VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_1=-1073741822, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=4294967293, var_1_8=0, var_1_9=4294967294] [L58] unsigned long int stepLocal_0 = var_1_7; VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, stepLocal_0=4294967293, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_1=-1073741822, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=4294967293, var_1_8=0, var_1_9=4294967294] [L59] COND TRUE var_1_7 <= stepLocal_0 VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_1=-1073741822, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=4294967293, var_1_8=0, var_1_9=4294967294] [L60] COND TRUE (var_1_13 - var_1_14) == var_1_15 [L61] var_1_12 = ((((var_1_16) > (((var_1_17 + var_1_18) - var_1_19))) ? (var_1_16) : (((var_1_17 + var_1_18) - var_1_19)))) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=1000000000000004, var_1_16=1000000000000004, var_1_1=-1073741822, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=4294967293, var_1_8=0, var_1_9=4294967294] [L120] RET step() [L121] CALL, EXPR property() [L111-L112] return (((((((last_1_var_1_7) > (1)) ? (last_1_var_1_7) : (1))) <= (256 + last_1_var_1_1)) ? (var_1_1 == ((signed long int) ((var_1_4 + var_1_5) + var_1_6))) : (var_1_1 == ((signed long int) var_1_6))) && (var_1_8 ? ((var_1_1 <= var_1_1) ? (var_1_7 == ((unsigned long int) ((((var_1_9) > (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))) ? (var_1_9) : (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11)))))))) : (var_1_7 == ((unsigned long int) var_1_10))) : (var_1_7 == ((unsigned long int) var_1_11)))) && ((var_1_7 <= var_1_7) ? (((var_1_13 - var_1_14) == var_1_15) ? (var_1_12 == ((float) ((((var_1_16) > (((var_1_17 + var_1_18) - var_1_19))) ? (var_1_16) : (((var_1_17 + var_1_18) - var_1_19)))))) : (var_1_12 == ((float) var_1_19))) : (var_1_12 == ((float) var_1_16))) ; VAL [\result=0, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=1000000000000004, var_1_16=1000000000000004, var_1_1=-1073741822, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=4294967293, var_1_8=0, var_1_9=4294967294] [L121] RET, EXPR property() [L121] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=1000000000000004, var_1_16=1000000000000004, var_1_1=-1073741822, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=4294967293, var_1_8=0, var_1_9=4294967294] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=1000000000000004, var_1_16=1000000000000004, var_1_1=-1073741822, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=4294967293, var_1_8=0, var_1_9=4294967294] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 229 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 71 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 158 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 529 NumberOfCodeBlocks, 529 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 393 ConstructedInterpolants, 0 QuantifiedInterpolants, 403 SizeOfPredicates, 0 NumberOfNonLiveVariables, 300 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 2480/2520 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 [2024-12-01 23:13:40,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/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_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1 --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 a2e7bc86c416f082f6cbd3468de78760603e8d7fefbcdca8dd6e4ac6b460db48 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-01 23:13:42,651 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-01 23:13:42,730 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-01 23:13:42,736 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-01 23:13:42,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-01 23:13:42,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-01 23:13:42,760 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-01 23:13:42,760 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-01 23:13:42,761 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-01 23:13:42,761 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-01 23:13:42,761 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-01 23:13:42,761 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-01 23:13:42,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-01 23:13:42,761 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-01 23:13:42,761 INFO L153 SettingsManager]: * Use SBE=true [2024-12-01 23:13:42,761 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-01 23:13:42,762 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-01 23:13:42,762 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-01 23:13:42,762 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-01 23:13:42,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-01 23:13:42,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-01 23:13:42,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-01 23:13:42,762 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-01 23:13:42,762 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-01 23:13:42,762 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-01 23:13:42,762 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-01 23:13:42,762 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-01 23:13:42,762 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-01 23:13:42,762 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-01 23:13:42,762 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-01 23:13:42,763 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-01 23:13:42,763 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:13:42,763 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:13:42,763 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:13:42,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:13:42,763 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-01 23:13:42,763 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:13:42,763 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:13:42,763 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:13:42,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:13:42,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-01 23:13:42,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-01 23:13:42,764 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-01 23:13:42,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-01 23:13:42,764 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-01 23:13:42,764 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-01 23:13:42,764 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-01 23:13:42,764 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-01 23:13:42,764 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-01 23:13:42,764 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-01 23:13:42,764 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_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1 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 -> a2e7bc86c416f082f6cbd3468de78760603e8d7fefbcdca8dd6e4ac6b460db48 [2024-12-01 23:13:43,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-01 23:13:43,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-01 23:13:43,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-01 23:13:43,022 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-01 23:13:43,022 INFO L274 PluginConnector]: CDTParser initialized [2024-12-01 23:13:43,023 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-59.i [2024-12-01 23:13:45,776 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/data/109320d1b/de7a1f3fa35d460b8b2c03a788787080/FLAG38b6d86de [2024-12-01 23:13:45,946 INFO L384 CDTParser]: Found 1 translation units. [2024-12-01 23:13:45,947 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-59.i [2024-12-01 23:13:45,953 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/data/109320d1b/de7a1f3fa35d460b8b2c03a788787080/FLAG38b6d86de [2024-12-01 23:13:45,965 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/data/109320d1b/de7a1f3fa35d460b8b2c03a788787080 [2024-12-01 23:13:45,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-01 23:13:45,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-01 23:13:45,969 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-01 23:13:45,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-01 23:13:45,972 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-01 23:13:45,973 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:13:45" (1/1) ... [2024-12-01 23:13:45,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b46b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:45, skipping insertion in model container [2024-12-01 23:13:45,974 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:13:45" (1/1) ... [2024-12-01 23:13:45,989 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-01 23:13:46,108 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_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-59.i[915,928] [2024-12-01 23:13:46,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:13:46,168 INFO L200 MainTranslator]: Completed pre-run [2024-12-01 23:13:46,178 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_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-59.i[915,928] [2024-12-01 23:13:46,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:13:46,217 INFO L204 MainTranslator]: Completed translation [2024-12-01 23:13:46,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:46 WrapperNode [2024-12-01 23:13:46,217 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-01 23:13:46,218 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-01 23:13:46,218 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-01 23:13:46,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-01 23:13:46,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:46" (1/1) ... [2024-12-01 23:13:46,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:46" (1/1) ... [2024-12-01 23:13:46,254 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 131 [2024-12-01 23:13:46,255 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-01 23:13:46,255 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-01 23:13:46,256 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-01 23:13:46,256 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-01 23:13:46,262 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:46" (1/1) ... [2024-12-01 23:13:46,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:46" (1/1) ... [2024-12-01 23:13:46,266 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:46" (1/1) ... [2024-12-01 23:13:46,276 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]. [2024-12-01 23:13:46,277 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:46" (1/1) ... [2024-12-01 23:13:46,277 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:46" (1/1) ... [2024-12-01 23:13:46,285 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:46" (1/1) ... [2024-12-01 23:13:46,286 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:46" (1/1) ... [2024-12-01 23:13:46,290 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:46" (1/1) ... [2024-12-01 23:13:46,292 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:46" (1/1) ... [2024-12-01 23:13:46,293 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:46" (1/1) ... [2024-12-01 23:13:46,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-01 23:13:46,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-01 23:13:46,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-01 23:13:46,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-01 23:13:46,298 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:46" (1/1) ... [2024-12-01 23:13:46,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:13:46,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:13:46,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-01 23:13:46,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-01 23:13:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-01 23:13:46,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-01 23:13:46,346 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-01 23:13:46,346 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-01 23:13:46,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-01 23:13:46,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-01 23:13:46,405 INFO L234 CfgBuilder]: Building ICFG [2024-12-01 23:13:46,407 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-01 23:13:48,740 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-01 23:13:48,740 INFO L283 CfgBuilder]: Performing block encoding [2024-12-01 23:13:48,750 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-01 23:13:48,750 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-01 23:13:48,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:13:48 BoogieIcfgContainer [2024-12-01 23:13:48,751 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-01 23:13:48,753 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-01 23:13:48,753 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-01 23:13:48,757 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-01 23:13:48,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:13:45" (1/3) ... [2024-12-01 23:13:48,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49115dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:13:48, skipping insertion in model container [2024-12-01 23:13:48,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:46" (2/3) ... [2024-12-01 23:13:48,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49115dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:13:48, skipping insertion in model container [2024-12-01 23:13:48,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:13:48" (3/3) ... [2024-12-01 23:13:48,760 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-59.i [2024-12-01 23:13:48,774 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-01 23:13:48,775 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-59.i that has 2 procedures, 60 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-01 23:13:48,821 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-01 23:13:48,830 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;@55967e65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-01 23:13:48,830 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-01 23:13:48,834 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 37 states have internal predecessors, (46), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-01 23:13:48,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-12-01 23:13:48,844 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:48,845 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:13:48,845 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:13:48,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:48,850 INFO L85 PathProgramCache]: Analyzing trace with hash 2068994391, now seen corresponding path program 1 times [2024-12-01 23:13:48,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:13:48,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1396672560] [2024-12-01 23:13:48,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:48,861 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 [2024-12-01 23:13:48,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:13:48,863 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-01 23:13:48,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-01 23:13:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:49,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-01 23:13:49,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:13:49,294 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-12-01 23:13:49,294 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:13:49,295 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:13:49,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1396672560] [2024-12-01 23:13:49,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1396672560] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:13:49,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:13:49,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-01 23:13:49,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523392998] [2024-12-01 23:13:49,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:13:49,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-01 23:13:49,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:13:49,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-01 23:13:49,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 23:13:49,319 INFO L87 Difference]: Start difference. First operand has 60 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 37 states have internal predecessors, (46), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-01 23:13:49,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:49,339 INFO L93 Difference]: Finished difference Result 113 states and 191 transitions. [2024-12-01 23:13:49,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-01 23:13:49,341 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 132 [2024-12-01 23:13:49,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:49,346 INFO L225 Difference]: With dead ends: 113 [2024-12-01 23:13:49,347 INFO L226 Difference]: Without dead ends: 56 [2024-12-01 23:13:49,349 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 23:13:49,351 INFO L435 NwaCegarLoop]: 80 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, 80 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 [2024-12-01 23:13:49,352 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:13:49,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-12-01 23:13:49,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-12-01 23:13:49,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 33 states have internal predecessors, (38), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-01 23:13:49,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 80 transitions. [2024-12-01 23:13:49,388 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 80 transitions. Word has length 132 [2024-12-01 23:13:49,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:49,388 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 80 transitions. [2024-12-01 23:13:49,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-01 23:13:49,388 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 80 transitions. [2024-12-01 23:13:49,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-12-01 23:13:49,391 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:49,391 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:13:49,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-01 23:13:49,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-01 23:13:49,596 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:13:49,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:49,597 INFO L85 PathProgramCache]: Analyzing trace with hash -557139255, now seen corresponding path program 1 times [2024-12-01 23:13:49,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:13:49,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2091319283] [2024-12-01 23:13:49,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:49,598 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 [2024-12-01 23:13:49,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:13:49,600 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-01 23:13:49,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-01 23:13:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:49,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-01 23:13:49,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:13:49,984 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-01 23:13:49,985 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:13:49,985 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:13:49,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2091319283] [2024-12-01 23:13:49,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2091319283] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:13:49,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:13:49,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:13:49,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471793980] [2024-12-01 23:13:49,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:13:49,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:13:49,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:13:49,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:13:49,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:13:49,988 INFO L87 Difference]: Start difference. First operand 56 states and 80 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-01 23:13:51,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-01 23:13:51,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:51,083 INFO L93 Difference]: Finished difference Result 109 states and 157 transitions. [2024-12-01 23:13:51,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:13:51,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 132 [2024-12-01 23:13:51,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:51,096 INFO L225 Difference]: With dead ends: 109 [2024-12-01 23:13:51,096 INFO L226 Difference]: Without dead ends: 56 [2024-12-01 23:13:51,096 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:13:51,097 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 0 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:13:51,097 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-01 23:13:51,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-12-01 23:13:51,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-12-01 23:13:51,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 33 states have (on average 1.121212121212121) internal successors, (37), 33 states have internal predecessors, (37), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-01 23:13:51,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 79 transitions. [2024-12-01 23:13:51,104 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 79 transitions. Word has length 132 [2024-12-01 23:13:51,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:51,105 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 79 transitions. [2024-12-01 23:13:51,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-01 23:13:51,105 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2024-12-01 23:13:51,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-01 23:13:51,107 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:51,107 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:13:51,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-01 23:13:51,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-01 23:13:51,307 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:13:51,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:51,308 INFO L85 PathProgramCache]: Analyzing trace with hash -327008013, now seen corresponding path program 1 times [2024-12-01 23:13:51,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:13:51,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [724394502] [2024-12-01 23:13:51,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:51,309 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 [2024-12-01 23:13:51,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:13:51,310 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-01 23:13:51,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-01 23:13:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:51,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-01 23:13:51,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:14:58,439 WARN L286 SmtUtils]: Spent 18.44s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-01 23:18:52,091 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 279 proven. 0 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-01 23:18:52,091 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:18:52,092 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:18:52,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [724394502] [2024-12-01 23:18:52,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [724394502] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:18:52,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:18:52,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-12-01 23:18:52,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53645279] [2024-12-01 23:18:52,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:18:52,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-01 23:18:52,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:18:52,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-01 23:18:52,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2024-12-01 23:18:52,095 INFO L87 Difference]: Start difference. First operand 56 states and 79 transitions. Second operand has 21 states, 21 states have (on average 2.0476190476190474) internal successors, (43), 20 states have internal predecessors, (43), 4 states have call successors, (21), 4 states have call predecessors, (21), 5 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2024-12-01 23:18:58,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-01 23:18:59,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-01 23:19:00,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-01 23:19:01,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-01 23:19:05,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-01 23:19:29,172 WARN L286 SmtUtils]: Spent 17.69s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-01 23:19:31,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-01 23:19:32,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-01 23:20:04,736 WARN L286 SmtUtils]: Spent 24.86s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-01 23:20:06,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-01 23:20:07,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-01 23:20:08,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-01 23:20:10,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-01 23:20:12,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:20:12,886 INFO L93 Difference]: Finished difference Result 196 states and 263 transitions. [2024-12-01 23:20:12,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-01 23:20:12,900 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.0476190476190474) internal successors, (43), 20 states have internal predecessors, (43), 4 states have call successors, (21), 4 states have call predecessors, (21), 5 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) Word has length 133 [2024-12-01 23:20:12,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:20:12,903 INFO L225 Difference]: With dead ends: 196 [2024-12-01 23:20:12,903 INFO L226 Difference]: Without dead ends: 143 [2024-12-01 23:20:12,905 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 100.2s TimeCoverageRelationStatistics Valid=330, Invalid=1152, Unknown=0, NotChecked=0, Total=1482 [2024-12-01 23:20:12,906 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 97 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2024-12-01 23:20:12,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 513 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 24.3s Time] [2024-12-01 23:20:12,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-12-01 23:20:12,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 121. [2024-12-01 23:20:12,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 72 states have (on average 1.0833333333333333) internal successors, (78), 72 states have internal predecessors, (78), 42 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-01 23:20:12,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 162 transitions. [2024-12-01 23:20:12,937 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 162 transitions. Word has length 133 [2024-12-01 23:20:12,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:20:12,938 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 162 transitions. [2024-12-01 23:20:12,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.0476190476190474) internal successors, (43), 20 states have internal predecessors, (43), 4 states have call successors, (21), 4 states have call predecessors, (21), 5 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2024-12-01 23:20:12,938 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 162 transitions. [2024-12-01 23:20:12,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-01 23:20:12,940 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:20:12,941 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:20:12,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-12-01 23:20:13,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-01 23:20:13,141 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:20:13,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:20:13,142 INFO L85 PathProgramCache]: Analyzing trace with hash -325160971, now seen corresponding path program 1 times [2024-12-01 23:20:13,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:20:13,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [389883181] [2024-12-01 23:20:13,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:20:13,143 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 [2024-12-01 23:20:13,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:20:13,144 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-01 23:20:13,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9ea84a-30e9-4998-84ae-f0b1b0d78024/bin/uautomizer-verify-84ZbGMXZE1/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 (5)] Waiting until timeout for monitored process [2024-12-01 23:20:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:20:13,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-01 23:20:13,445 INFO L279 TraceCheckSpWp]: Computing forward predicates...