./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-50.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_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/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_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/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_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/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 65d784e509aa66e0a038c137435477bb43d0453bd5e9e6ae35b5aa59154f6b94 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:53:45,042 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:53:45,099 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 14:53:45,105 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:53:45,105 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:53:45,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:53:45,127 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:53:45,128 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:53:45,128 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:53:45,128 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:53:45,128 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:53:45,128 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:53:45,128 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:53:45,129 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:53:45,129 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:53:45,129 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:53:45,129 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:53:45,129 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:53:45,129 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:53:45,129 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:53:45,129 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:53:45,129 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:53:45,129 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:53:45,130 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:53:45,130 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:53:45,130 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:53:45,130 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:53:45,130 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:53:45,130 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:53:45,130 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:53:45,130 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:53:45,130 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:53:45,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:53:45,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:53:45,130 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:53:45,131 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:53:45,131 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:53:45,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:53:45,131 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:53:45,131 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:53:45,131 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:53:45,131 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:53:45,131 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:53:45,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:53:45,131 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:53:45,131 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:53:45,131 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:53:45,131 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:53:45,132 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_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/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 -> 65d784e509aa66e0a038c137435477bb43d0453bd5e9e6ae35b5aa59154f6b94 [2024-12-02 14:53:45,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:53:45,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:53:45,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:53:45,375 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:53:45,376 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:53:45,377 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-50.i [2024-12-02 14:53:48,012 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/data/1e5aa16a1/a1b835b3aea246ac830dbd8982e36ba3/FLAG9d98acdd4 [2024-12-02 14:53:48,220 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:53:48,220 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-50.i [2024-12-02 14:53:48,229 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/data/1e5aa16a1/a1b835b3aea246ac830dbd8982e36ba3/FLAG9d98acdd4 [2024-12-02 14:53:48,572 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/data/1e5aa16a1/a1b835b3aea246ac830dbd8982e36ba3 [2024-12-02 14:53:48,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:53:48,574 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:53:48,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:53:48,575 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:53:48,579 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:53:48,579 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:53:48" (1/1) ... [2024-12-02 14:53:48,580 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@439c92fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:48, skipping insertion in model container [2024-12-02 14:53:48,580 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:53:48" (1/1) ... [2024-12-02 14:53:48,595 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:53:48,721 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_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-50.i[913,926] [2024-12-02 14:53:48,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:53:48,782 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:53:48,790 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_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-50.i[913,926] [2024-12-02 14:53:48,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:53:48,830 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:53:48,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:48 WrapperNode [2024-12-02 14:53:48,830 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:53:48,831 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:53:48,831 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:53:48,831 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:53:48,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:48" (1/1) ... [2024-12-02 14:53:48,843 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:48" (1/1) ... [2024-12-02 14:53:48,874 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2024-12-02 14:53:48,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:53:48,874 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:53:48,874 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:53:48,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:53:48,882 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:48" (1/1) ... [2024-12-02 14:53:48,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:48" (1/1) ... [2024-12-02 14:53:48,885 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:48" (1/1) ... [2024-12-02 14:53:48,902 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]. [2024-12-02 14:53:48,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:48" (1/1) ... [2024-12-02 14:53:48,902 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:48" (1/1) ... [2024-12-02 14:53:48,910 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:48" (1/1) ... [2024-12-02 14:53:48,911 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:48" (1/1) ... [2024-12-02 14:53:48,914 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:48" (1/1) ... [2024-12-02 14:53:48,917 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:48" (1/1) ... [2024-12-02 14:53:48,918 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:48" (1/1) ... [2024-12-02 14:53:48,922 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:53:48,922 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:53:48,922 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:53:48,923 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:53:48,924 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:48" (1/1) ... [2024-12-02 14:53:48,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:53:48,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:53:48,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:53:48,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:53:48,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:53:48,970 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:53:48,970 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:53:48,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:53:48,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:53:48,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:53:49,030 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:53:49,031 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:53:49,284 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-02 14:53:49,284 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:53:49,294 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:53:49,294 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 14:53:49,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:53:49 BoogieIcfgContainer [2024-12-02 14:53:49,295 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:53:49,297 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:53:49,297 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:53:49,302 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:53:49,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:53:48" (1/3) ... [2024-12-02 14:53:49,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5127c15c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:53:49, skipping insertion in model container [2024-12-02 14:53:49,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:48" (2/3) ... [2024-12-02 14:53:49,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5127c15c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:53:49, skipping insertion in model container [2024-12-02 14:53:49,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:53:49" (3/3) ... [2024-12-02 14:53:49,304 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-50.i [2024-12-02 14:53:49,320 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:53:49,321 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-50.i that has 2 procedures, 62 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:53:49,372 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:53:49,384 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;@6e48bcf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:53:49,384 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:53:49,388 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 14:53:49,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 14:53:49,398 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:53:49,399 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:53:49,399 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:53:49,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:53:49,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1209097544, now seen corresponding path program 1 times [2024-12-02 14:53:49,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:53:49,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215001712] [2024-12-02 14:53:49,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:53:49,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:53:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:53:49,658 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-12-02 14:53:49,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:53:49,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215001712] [2024-12-02 14:53:49,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215001712] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:53:49,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874271354] [2024-12-02 14:53:49,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:53:49,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:53:49,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:53:49,662 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:53:49,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 14:53:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:53:49,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:53:49,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:53:49,823 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-12-02 14:53:49,823 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:53:49,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874271354] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:53:49,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:53:49,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 14:53:49,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280926414] [2024-12-02 14:53:49,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:53:49,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:53:49,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:53:49,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:53:49,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:53:49,845 INFO L87 Difference]: Start difference. First operand has 62 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 14:53:49,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:53:49,865 INFO L93 Difference]: Finished difference Result 117 states and 198 transitions. [2024-12-02 14:53:49,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:53:49,867 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 130 [2024-12-02 14:53:49,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:53:49,872 INFO L225 Difference]: With dead ends: 117 [2024-12-02 14:53:49,872 INFO L226 Difference]: Without dead ends: 58 [2024-12-02 14:53:49,874 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 [2024-12-02 14:53:49,876 INFO L435 NwaCegarLoop]: 85 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, 85 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 [2024-12-02 14:53:49,877 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:53:49,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-12-02 14:53:49,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-12-02 14:53:49,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 36 states have (on average 1.25) internal successors, (45), 36 states have internal predecessors, (45), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 14:53:49,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 85 transitions. [2024-12-02 14:53:49,908 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 85 transitions. Word has length 130 [2024-12-02 14:53:49,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:53:49,909 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 85 transitions. [2024-12-02 14:53:49,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 14:53:49,909 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 85 transitions. [2024-12-02 14:53:49,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 14:53:49,912 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:53:49,912 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:53:49,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 14:53:50,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 14:53:50,113 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:53:50,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:53:50,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1416486020, now seen corresponding path program 1 times [2024-12-02 14:53:50,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:53:50,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925483535] [2024-12-02 14:53:50,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:53:50,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:53:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:53:50,430 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:53:50,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:53:50,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925483535] [2024-12-02 14:53:50,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925483535] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:53:50,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:53:50,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:53:50,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768312275] [2024-12-02 14:53:50,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:53:50,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:53:50,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:53:50,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:53:50,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:53:50,433 INFO L87 Difference]: Start difference. First operand 58 states and 85 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:53:50,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:53:50,580 INFO L93 Difference]: Finished difference Result 113 states and 167 transitions. [2024-12-02 14:53:50,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:53:50,581 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 130 [2024-12-02 14:53:50,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:53:50,583 INFO L225 Difference]: With dead ends: 113 [2024-12-02 14:53:50,583 INFO L226 Difference]: Without dead ends: 58 [2024-12-02 14:53:50,583 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:53:50,584 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 78 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:53:50,584 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 115 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:53:50,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-12-02 14:53:50,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-12-02 14:53:50,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 36 states have internal predecessors, (44), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 14:53:50,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 84 transitions. [2024-12-02 14:53:50,594 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 84 transitions. Word has length 130 [2024-12-02 14:53:50,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:53:50,596 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 84 transitions. [2024-12-02 14:53:50,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:53:50,596 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2024-12-02 14:53:50,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 14:53:50,598 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:53:50,598 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:53:50,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:53:50,598 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:53:50,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:53:50,599 INFO L85 PathProgramCache]: Analyzing trace with hash 358521342, now seen corresponding path program 1 times [2024-12-02 14:53:50,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:53:50,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373143986] [2024-12-02 14:53:50,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:53:50,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:53:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 14:53:50,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [755216977] [2024-12-02 14:53:50,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:53:50,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:53:50,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:53:50,774 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:53:50,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 14:53:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:53:51,294 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:53:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:53:51,409 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 14:53:51,410 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 14:53:51,411 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 14:53:51,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 14:53:51,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:53:51,615 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 14:53:51,679 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:53:51,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:53:51 BoogieIcfgContainer [2024-12-02 14:53:51,682 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:53:51,683 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:53:51,683 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:53:51,683 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:53:51,683 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:53:49" (3/4) ... [2024-12-02 14:53:51,685 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 14:53:51,686 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:53:51,686 INFO L158 Benchmark]: Toolchain (without parser) took 3111.78ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 38.9MB in the end (delta: 80.3MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2024-12-02 14:53:51,686 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:53:51,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.14ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 104.7MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:53:51,687 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.97ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 101.2MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:53:51,687 INFO L158 Benchmark]: Boogie Preprocessor took 47.38ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 94.4MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:53:51,687 INFO L158 Benchmark]: RCFGBuilder took 372.48ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 73.6MB in the end (delta: 20.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 14:53:51,688 INFO L158 Benchmark]: TraceAbstraction took 2384.98ms. Allocated memory is still 142.6MB. Free memory was 73.1MB in the beginning and 39.0MB in the end (delta: 34.1MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2024-12-02 14:53:51,688 INFO L158 Benchmark]: Witness Printer took 3.08ms. Allocated memory is still 142.6MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 15.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:53:51,697 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.14ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 104.7MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.97ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 101.2MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.38ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 94.4MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 372.48ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 73.6MB in the end (delta: 20.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2384.98ms. Allocated memory is still 142.6MB. Free memory was 73.1MB in the beginning and 39.0MB in the end (delta: 34.1MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * Witness Printer took 3.08ms. Allocated memory is still 142.6MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 15.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryFLOATComparisonOperation at line 46, overapproximation of someBinaryFLOATComparisonOperation at line 121, overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of someBinaryArithmeticFLOAToperation at line 46, overapproximation of someUnaryFLOAToperation at line 46. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_7 = 0; [L24] unsigned char var_1_8 = 1; [L25] signed short int var_1_9 = -2; [L26] float var_1_13 = 999.4; [L27] float var_1_14 = 100.425; [L28] float var_1_15 = 3.375; [L29] float var_1_16 = 15.9; [L30] signed short int var_1_17 = -10; [L31] signed short int var_1_18 = 18060; [L32] unsigned char var_1_20 = 0; [L33] unsigned long int var_1_21 = 4; [L34] unsigned char var_1_23 = 0; [L35] unsigned char var_1_24 = 0; [L36] unsigned char var_1_25 = 100; [L37] unsigned char var_1_26 = 32; [L38] unsigned char var_1_27 = 10; [L39] unsigned char var_1_28 = 1; [L40] unsigned short int var_1_29 = 256; [L41] unsigned char var_1_30 = 1; VAL [isInitial=0, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=0, var_1_8=1, var_1_9=-2] [L125] isInitial = 1 [L126] FCALL initially() [L128] FCALL updateLastVariables() [L129] CALL updateVariables() [L86] var_1_7 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L87] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L88] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L88] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L89] var_1_8 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L90] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L91] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L91] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L92] var_1_14 = __VERIFIER_nondet_float() [L93] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L93] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L94] var_1_15 = __VERIFIER_nondet_float() [L95] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L95] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L96] var_1_16 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L97] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L98] var_1_18 = __VERIFIER_nondet_short() [L99] CALL assume_abort_if_not(var_1_18 >= 16382) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L99] RET assume_abort_if_not(var_1_18 >= 16382) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L100] CALL assume_abort_if_not(var_1_18 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L100] RET assume_abort_if_not(var_1_18 <= 32766) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L101] var_1_21 = __VERIFIER_nondet_ulong() [L102] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L102] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L103] CALL assume_abort_if_not(var_1_21 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L103] RET assume_abort_if_not(var_1_21 <= 4294967295) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L104] CALL assume_abort_if_not(var_1_21 != 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L104] RET assume_abort_if_not(var_1_21 != 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L105] var_1_23 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L106] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L107] CALL assume_abort_if_not(var_1_23 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L107] RET assume_abort_if_not(var_1_23 <= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L108] var_1_24 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L109] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L110] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L110] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L111] var_1_26 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L112] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L113] CALL assume_abort_if_not(var_1_26 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=1, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=1, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L113] RET assume_abort_if_not(var_1_26 <= 127) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=1, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L114] var_1_27 = __VERIFIER_nondet_uchar() [L115] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L115] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L116] CALL assume_abort_if_not(var_1_27 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=1, var_1_27=512, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=1, var_1_27=512, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L116] RET assume_abort_if_not(var_1_27 <= 127) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=1, var_1_27=512, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L129] RET updateVariables() [L130] CALL step() [L45] COND TRUE \read(var_1_8) [L46] var_1_13 = (((((var_1_14 + var_1_15)) < (((((-0.2f) < (var_1_16)) ? (-0.2f) : (var_1_16))))) ? ((var_1_14 + var_1_15)) : (((((-0.2f) < (var_1_16)) ? (-0.2f) : (var_1_16)))))) VAL [isInitial=1, var_1_13=2, var_1_16=0, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=1, var_1_27=512, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L48] COND TRUE \read(var_1_8) [L49] var_1_25 = (var_1_26 + var_1_27) VAL [isInitial=1, var_1_13=2, var_1_16=0, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=1, var_1_27=512, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L51] var_1_29 = var_1_27 [L52] var_1_30 = var_1_8 VAL [isInitial=1, var_1_13=2, var_1_16=0, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=1, var_1_27=512, var_1_28=1, var_1_29=0, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L53] COND FALSE !((var_1_29 > var_1_25) && var_1_30) [L56] var_1_9 = ((((var_1_25) > ((((((var_1_25 - 10)) < (var_1_25)) ? ((var_1_25 - 10)) : (var_1_25))))) ? (var_1_25) : ((((((var_1_25 - 10)) < (var_1_25)) ? ((var_1_25 - 10)) : (var_1_25)))))) VAL [isInitial=1, var_1_13=2, var_1_16=0, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=1, var_1_27=512, var_1_28=1, var_1_29=0, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=1] [L58] var_1_17 = ((var_1_18 - 25) - var_1_25) [L59] signed long int stepLocal_2 = var_1_25 + var_1_17; VAL [isInitial=1, stepLocal_2=16357, var_1_13=2, var_1_16=0, var_1_17=16356, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=1, var_1_27=512, var_1_28=1, var_1_29=0, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=1] [L60] COND TRUE ((var_1_18 % var_1_21) & ((((1u) < 0 ) ? -(1u) : (1u)))) < stepLocal_2 [L61] var_1_20 = (var_1_23 || var_1_24) VAL [isInitial=1, var_1_13=2, var_1_16=0, var_1_17=16356, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=1, var_1_27=512, var_1_28=1, var_1_29=0, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=1] [L65] signed short int stepLocal_3 = var_1_9; VAL [isInitial=1, stepLocal_3=1, var_1_13=2, var_1_16=0, var_1_17=16356, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=1, var_1_27=512, var_1_28=1, var_1_29=0, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=1] [L66] COND FALSE !((~ var_1_29) > stepLocal_3) [L69] var_1_28 = (var_1_20 || ((! var_1_23) && (var_1_24 || var_1_7))) VAL [isInitial=1, var_1_13=2, var_1_16=0, var_1_17=16356, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=1, var_1_27=512, var_1_28=1, var_1_29=0, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=1] [L71] signed long int stepLocal_1 = (((var_1_9) > (var_1_25)) ? (var_1_9) : (var_1_25)); [L72] unsigned char stepLocal_0 = var_1_25; VAL [isInitial=1, stepLocal_0=1, stepLocal_1=1, var_1_13=2, var_1_16=0, var_1_17=16356, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=1, var_1_27=512, var_1_28=1, var_1_29=0, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=1] [L73] COND FALSE !(stepLocal_1 <= (var_1_25 - var_1_25)) [L82] var_1_1 = 0 VAL [isInitial=1, stepLocal_0=1, var_1_13=2, var_1_16=0, var_1_17=16356, var_1_18=16382, var_1_1=0, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=1, var_1_27=512, var_1_28=1, var_1_29=0, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=1] [L130] RET step() [L131] CALL, EXPR property() [L121-L122] return (((((((((((((var_1_9) > (var_1_25)) ? (var_1_9) : (var_1_25))) <= (var_1_25 - var_1_25)) ? ((var_1_25 < var_1_25) ? (var_1_20 ? (var_1_1 == ((unsigned char) var_1_7)) : (var_1_1 == ((unsigned char) var_1_8))) : 1) : (var_1_1 == ((unsigned char) 0))) && (((var_1_29 > var_1_25) && var_1_30) ? (var_1_9 == ((signed short int) var_1_25)) : (var_1_9 == ((signed short int) ((((var_1_25) > ((((((var_1_25 - 10)) < (var_1_25)) ? ((var_1_25 - 10)) : (var_1_25))))) ? (var_1_25) : ((((((var_1_25 - 10)) < (var_1_25)) ? ((var_1_25 - 10)) : (var_1_25)))))))))) && (var_1_8 ? (var_1_13 == ((float) (((((var_1_14 + var_1_15)) < (((((-0.2f) < (var_1_16)) ? (-0.2f) : (var_1_16))))) ? ((var_1_14 + var_1_15)) : (((((-0.2f) < (var_1_16)) ? (-0.2f) : (var_1_16)))))))) : 1)) && (var_1_17 == ((signed short int) ((var_1_18 - 25) - var_1_25)))) && ((((var_1_18 % var_1_21) & ((((1u) < 0 ) ? -(1u) : (1u)))) < (var_1_25 + var_1_17)) ? (var_1_20 == ((unsigned char) (var_1_23 || var_1_24))) : (var_1_20 == ((unsigned char) var_1_7)))) && (var_1_8 ? (var_1_25 == ((unsigned char) (var_1_26 + var_1_27))) : 1)) && (((~ var_1_29) > var_1_9) ? (var_1_28 == ((unsigned char) (! var_1_7))) : (var_1_28 == ((unsigned char) (var_1_20 || ((! var_1_23) && (var_1_24 || var_1_7))))))) && (var_1_29 == ((unsigned short int) var_1_27))) && (var_1_30 == ((unsigned char) var_1_8)) ; VAL [\result=0, isInitial=1, var_1_13=2, var_1_16=0, var_1_17=16356, var_1_18=16382, var_1_1=0, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=1, var_1_27=512, var_1_28=1, var_1_29=0, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=1] [L131] RET, EXPR property() [L131] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_13=2, var_1_16=0, var_1_17=16356, var_1_18=16382, var_1_1=0, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=1, var_1_27=512, var_1_28=1, var_1_29=0, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_13=2, var_1_16=0, var_1_17=16356, var_1_18=16382, var_1_1=0, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=1, var_1_27=512, var_1_28=1, var_1_29=0, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 3, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 78 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 78 mSDsluCounter, 200 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 35 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 165 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 650 NumberOfCodeBlocks, 650 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 387 ConstructedInterpolants, 0 QuantifiedInterpolants, 411 SizeOfPredicates, 0 NumberOfNonLiveVariables, 305 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 2242/2280 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 [2024-12-02 14:53:51,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/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_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/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_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/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_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/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 65d784e509aa66e0a038c137435477bb43d0453bd5e9e6ae35b5aa59154f6b94 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:53:53,676 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:53:53,752 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 14:53:53,758 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:53:53,759 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:53:53,781 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:53:53,782 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:53:53,782 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:53:53,782 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:53:53,782 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:53:53,782 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:53:53,783 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:53:53,783 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:53:53,783 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:53:53,783 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:53:53,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:53:53,784 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:53:53,784 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:53:53,784 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:53:53,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:53:53,784 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:53:53,784 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:53:53,784 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:53:53,784 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 14:53:53,784 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 14:53:53,784 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 14:53:53,784 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:53:53,784 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:53:53,785 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:53:53,785 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:53:53,785 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:53:53,785 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:53:53,785 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:53:53,785 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:53:53,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:53:53,785 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:53:53,785 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:53:53,785 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:53:53,785 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:53:53,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:53:53,785 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:53:53,786 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:53:53,786 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:53:53,786 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:53:53,786 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 14:53:53,786 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 14:53:53,786 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:53:53,786 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:53:53,786 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:53:53,786 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:53:53,786 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_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/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 -> 65d784e509aa66e0a038c137435477bb43d0453bd5e9e6ae35b5aa59154f6b94 [2024-12-02 14:53:54,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:53:54,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:53:54,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:53:54,040 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:53:54,040 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:53:54,042 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-50.i [2024-12-02 14:53:56,785 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/data/98cb9b2ac/5412296864194fbb9ab8bc6b15fc48b6/FLAG2b6d5a8e4 [2024-12-02 14:53:56,969 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:53:56,970 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-50.i [2024-12-02 14:53:56,976 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/data/98cb9b2ac/5412296864194fbb9ab8bc6b15fc48b6/FLAG2b6d5a8e4 [2024-12-02 14:53:56,990 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/data/98cb9b2ac/5412296864194fbb9ab8bc6b15fc48b6 [2024-12-02 14:53:56,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:53:56,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:53:56,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:53:56,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:53:56,998 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:53:56,999 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:53:56" (1/1) ... [2024-12-02 14:53:57,000 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ba48b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:57, skipping insertion in model container [2024-12-02 14:53:57,000 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:53:56" (1/1) ... [2024-12-02 14:53:57,017 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:53:57,143 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_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-50.i[913,926] [2024-12-02 14:53:57,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:53:57,202 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:53:57,211 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_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-50.i[913,926] [2024-12-02 14:53:57,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:53:57,254 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:53:57,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:57 WrapperNode [2024-12-02 14:53:57,254 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:53:57,255 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:53:57,255 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:53:57,255 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:53:57,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:57" (1/1) ... [2024-12-02 14:53:57,269 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:57" (1/1) ... [2024-12-02 14:53:57,291 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132 [2024-12-02 14:53:57,291 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:53:57,292 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:53:57,292 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:53:57,292 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:53:57,299 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:57" (1/1) ... [2024-12-02 14:53:57,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:57" (1/1) ... [2024-12-02 14:53:57,302 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:57" (1/1) ... [2024-12-02 14:53:57,313 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]. [2024-12-02 14:53:57,314 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:57" (1/1) ... [2024-12-02 14:53:57,314 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:57" (1/1) ... [2024-12-02 14:53:57,323 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:57" (1/1) ... [2024-12-02 14:53:57,324 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:57" (1/1) ... [2024-12-02 14:53:57,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:57" (1/1) ... [2024-12-02 14:53:57,328 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:57" (1/1) ... [2024-12-02 14:53:57,330 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:57" (1/1) ... [2024-12-02 14:53:57,332 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:53:57,333 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:53:57,333 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:53:57,333 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:53:57,334 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:57" (1/1) ... [2024-12-02 14:53:57,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:53:57,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:53:57,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:53:57,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:53:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:53:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 14:53:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:53:57,381 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:53:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:53:57,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:53:57,444 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:53:57,445 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:53:57,899 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-02 14:53:57,899 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:53:57,908 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:53:57,909 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 14:53:57,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:53:57 BoogieIcfgContainer [2024-12-02 14:53:57,909 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:53:57,911 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:53:57,911 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:53:57,916 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:53:57,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:53:56" (1/3) ... [2024-12-02 14:53:57,917 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7046e3a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:53:57, skipping insertion in model container [2024-12-02 14:53:57,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:57" (2/3) ... [2024-12-02 14:53:57,917 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7046e3a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:53:57, skipping insertion in model container [2024-12-02 14:53:57,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:53:57" (3/3) ... [2024-12-02 14:53:57,918 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-50.i [2024-12-02 14:53:57,933 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:53:57,934 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-50.i that has 2 procedures, 62 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:53:57,976 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:53:57,986 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;@9a1935d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:53:57,987 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:53:57,991 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 14:53:58,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 14:53:58,001 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:53:58,002 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:53:58,002 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:53:58,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:53:58,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1209097544, now seen corresponding path program 1 times [2024-12-02 14:53:58,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:53:58,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [861772735] [2024-12-02 14:53:58,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:53:58,015 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 [2024-12-02 14:53:58,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:53:58,017 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/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) [2024-12-02 14:53:58,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/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 [2024-12-02 14:53:58,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:53:58,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:53:58,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:53:58,346 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 350 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-12-02 14:53:58,346 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:53:58,347 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:53:58,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [861772735] [2024-12-02 14:53:58,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [861772735] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:53:58,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:53:58,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:53:58,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138628938] [2024-12-02 14:53:58,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:53:58,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:53:58,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:53:58,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:53:58,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:53:58,373 INFO L87 Difference]: Start difference. First operand has 62 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 14:53:58,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:53:58,399 INFO L93 Difference]: Finished difference Result 117 states and 198 transitions. [2024-12-02 14:53:58,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:53:58,401 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 130 [2024-12-02 14:53:58,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:53:58,408 INFO L225 Difference]: With dead ends: 117 [2024-12-02 14:53:58,408 INFO L226 Difference]: Without dead ends: 58 [2024-12-02 14:53:58,411 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:53:58,414 INFO L435 NwaCegarLoop]: 85 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, 85 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 [2024-12-02 14:53:58,415 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:53:58,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-12-02 14:53:58,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-12-02 14:53:58,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 36 states have (on average 1.25) internal successors, (45), 36 states have internal predecessors, (45), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 14:53:58,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 85 transitions. [2024-12-02 14:53:58,454 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 85 transitions. Word has length 130 [2024-12-02 14:53:58,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:53:58,455 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 85 transitions. [2024-12-02 14:53:58,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 14:53:58,455 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 85 transitions. [2024-12-02 14:53:58,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 14:53:58,458 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:53:58,458 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:53:58,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/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 [2024-12-02 14:53:58,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/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 [2024-12-02 14:53:58,659 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:53:58,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:53:58,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1416486020, now seen corresponding path program 1 times [2024-12-02 14:53:58,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:53:58,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1064237969] [2024-12-02 14:53:58,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:53:58,661 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 [2024-12-02 14:53:58,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:53:58,663 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/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) [2024-12-02 14:53:58,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/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 [2024-12-02 14:53:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:53:58,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 14:53:58,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:53:59,130 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:53:59,130 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:53:59,130 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:53:59,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1064237969] [2024-12-02 14:53:59,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1064237969] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:53:59,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:53:59,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:53:59,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219806342] [2024-12-02 14:53:59,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:53:59,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:53:59,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:53:59,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:53:59,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:53:59,134 INFO L87 Difference]: Start difference. First operand 58 states and 85 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:53:59,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:53:59,422 INFO L93 Difference]: Finished difference Result 154 states and 230 transitions. [2024-12-02 14:53:59,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:53:59,423 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 130 [2024-12-02 14:53:59,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:53:59,425 INFO L225 Difference]: With dead ends: 154 [2024-12-02 14:53:59,425 INFO L226 Difference]: Without dead ends: 99 [2024-12-02 14:53:59,425 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:53:59,426 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 77 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:53:59,426 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 347 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 14:53:59,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-12-02 14:53:59,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 58. [2024-12-02 14:53:59,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 36 states have internal predecessors, (44), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 14:53:59,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 84 transitions. [2024-12-02 14:53:59,434 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 84 transitions. Word has length 130 [2024-12-02 14:53:59,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:53:59,435 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 84 transitions. [2024-12-02 14:53:59,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:53:59,435 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2024-12-02 14:53:59,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 14:53:59,436 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:53:59,436 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:53:59,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/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 [2024-12-02 14:53:59,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/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 [2024-12-02 14:53:59,637 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:53:59,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:53:59,637 INFO L85 PathProgramCache]: Analyzing trace with hash 358521342, now seen corresponding path program 1 times [2024-12-02 14:53:59,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:53:59,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [745423774] [2024-12-02 14:53:59,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:53:59,638 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 [2024-12-02 14:53:59,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:53:59,640 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/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) [2024-12-02 14:53:59,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e5eb0e-e204-4128-8eb0-6cf7e6fa0c16/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 [2024-12-02 14:53:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:53:59,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-02 14:53:59,902 INFO L279 TraceCheckSpWp]: Computing forward predicates...