./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-28.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_d4e51551-88c8-424e-b0ea-ebd2b30511a5/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/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_d4e51551-88c8-424e-b0ea-ebd2b30511a5/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/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_d4e51551-88c8-424e-b0ea-ebd2b30511a5/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 4f1870d8bb26f19fc016ebe1e30286b93b39289f035d1cae3f18e31061d9b666 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:21:42,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:21:42,921 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 15:21:42,926 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:21:42,927 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:21:42,947 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:21:42,948 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:21:42,948 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:21:42,948 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:21:42,948 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:21:42,949 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:21:42,949 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:21:42,949 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:21:42,949 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:21:42,949 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:21:42,949 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:21:42,949 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:21:42,950 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:21:42,950 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:21:42,950 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:21:42,950 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:21:42,950 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:21:42,950 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:21:42,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:21:42,950 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:21:42,950 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:21:42,950 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:21:42,950 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:21:42,951 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:21:42,951 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:21:42,951 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:21:42,951 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:21:42,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:21:42,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:21:42,951 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:21:42,951 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:21:42,951 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:21:42,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:21:42,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:21:42,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:21:42,952 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:21:42,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:21:42,952 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:21:42,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:21:42,952 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:21:42,952 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:21:42,952 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:21:42,952 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:21:42,953 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_d4e51551-88c8-424e-b0ea-ebd2b30511a5/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 -> 4f1870d8bb26f19fc016ebe1e30286b93b39289f035d1cae3f18e31061d9b666 [2024-12-02 15:21:43,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:21:43,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:21:43,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:21:43,175 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:21:43,176 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:21:43,177 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-28.i [2024-12-02 15:21:45,779 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/bin/uautomizer-verify-84ZbGMXZE1/data/adf80d74e/391093183c904e7fa7997a589c8ef7c0/FLAG9653e8295 [2024-12-02 15:21:45,961 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:21:45,961 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-28.i [2024-12-02 15:21:45,968 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/bin/uautomizer-verify-84ZbGMXZE1/data/adf80d74e/391093183c904e7fa7997a589c8ef7c0/FLAG9653e8295 [2024-12-02 15:21:46,320 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/bin/uautomizer-verify-84ZbGMXZE1/data/adf80d74e/391093183c904e7fa7997a589c8ef7c0 [2024-12-02 15:21:46,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:21:46,323 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:21:46,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:21:46,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:21:46,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:21:46,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:21:46" (1/1) ... [2024-12-02 15:21:46,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@591b5611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:46, skipping insertion in model container [2024-12-02 15:21:46,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:21:46" (1/1) ... [2024-12-02 15:21:46,344 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:21:46,464 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_d4e51551-88c8-424e-b0ea-ebd2b30511a5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-28.i[915,928] [2024-12-02 15:21:46,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:21:46,509 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:21:46,519 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_d4e51551-88c8-424e-b0ea-ebd2b30511a5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-28.i[915,928] [2024-12-02 15:21:46,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:21:46,550 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:21:46,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:46 WrapperNode [2024-12-02 15:21:46,550 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:21:46,551 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:21:46,551 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:21:46,551 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:21:46,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:46" (1/1) ... [2024-12-02 15:21:46,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:46" (1/1) ... [2024-12-02 15:21:46,582 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2024-12-02 15:21:46,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:21:46,583 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:21:46,583 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:21:46,583 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:21:46,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:46" (1/1) ... [2024-12-02 15:21:46,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:46" (1/1) ... [2024-12-02 15:21:46,594 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:46" (1/1) ... [2024-12-02 15:21:46,605 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 15:21:46,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:46" (1/1) ... [2024-12-02 15:21:46,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:46" (1/1) ... [2024-12-02 15:21:46,610 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:46" (1/1) ... [2024-12-02 15:21:46,611 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:46" (1/1) ... [2024-12-02 15:21:46,614 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:46" (1/1) ... [2024-12-02 15:21:46,615 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:46" (1/1) ... [2024-12-02 15:21:46,616 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:46" (1/1) ... [2024-12-02 15:21:46,617 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:21:46,618 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:21:46,618 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:21:46,618 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:21:46,619 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:46" (1/1) ... [2024-12-02 15:21:46,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:21:46,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:21:46,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:21:46,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:21:46,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:21:46,674 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:21:46,674 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:21:46,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:21:46,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:21:46,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:21:46,739 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:21:46,740 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:21:46,930 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-02 15:21:46,930 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:21:46,939 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:21:46,939 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:21:46,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:21:46 BoogieIcfgContainer [2024-12-02 15:21:46,939 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:21:46,941 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:21:46,941 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:21:46,946 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:21:46,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:21:46" (1/3) ... [2024-12-02 15:21:46,947 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428745db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:21:46, skipping insertion in model container [2024-12-02 15:21:46,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:46" (2/3) ... [2024-12-02 15:21:46,947 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428745db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:21:46, skipping insertion in model container [2024-12-02 15:21:46,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:21:46" (3/3) ... [2024-12-02 15:21:46,948 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-28.i [2024-12-02 15:21:46,963 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:21:46,964 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-28.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:21:47,016 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:21:47,027 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;@9af66c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:21:47,027 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:21:47,031 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 15:21:47,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-02 15:21:47,039 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:21:47,040 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:21:47,040 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:21:47,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:21:47,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1789399947, now seen corresponding path program 1 times [2024-12-02 15:21:47,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:21:47,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994849209] [2024-12-02 15:21:47,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:21:47,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:21:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:21:47,265 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-12-02 15:21:47,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:21:47,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994849209] [2024-12-02 15:21:47,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994849209] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:21:47,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245366996] [2024-12-02 15:21:47,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:21:47,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:21:47,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:21:47,269 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:21:47,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:21:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:21:47,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:21:47,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:21:47,434 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-12-02 15:21:47,434 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:21:47,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245366996] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:21:47,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:21:47,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 15:21:47,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005276880] [2024-12-02 15:21:47,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:21:47,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:21:47,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:21:47,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:21:47,456 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:21:47,458 INFO L87 Difference]: Start difference. First operand has 58 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 15:21:47,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:21:47,475 INFO L93 Difference]: Finished difference Result 109 states and 178 transitions. [2024-12-02 15:21:47,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:21:47,477 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 106 [2024-12-02 15:21:47,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:21:47,482 INFO L225 Difference]: With dead ends: 109 [2024-12-02 15:21:47,482 INFO L226 Difference]: Without dead ends: 54 [2024-12-02 15:21:47,484 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 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 15:21:47,487 INFO L435 NwaCegarLoop]: 75 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, 75 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 15:21:47,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:21:47,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-12-02 15:21:47,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-12-02 15:21:47,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 36 states have (on average 1.1944444444444444) internal successors, (43), 36 states have internal predecessors, (43), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 15:21:47,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 75 transitions. [2024-12-02 15:21:47,514 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 75 transitions. Word has length 106 [2024-12-02 15:21:47,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:21:47,515 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 75 transitions. [2024-12-02 15:21:47,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 15:21:47,515 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2024-12-02 15:21:47,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-02 15:21:47,517 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:21:47,517 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:21:47,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 15:21:47,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 15:21:47,718 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:21:47,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:21:47,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1493523957, now seen corresponding path program 1 times [2024-12-02 15:21:47,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:21:47,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408327287] [2024-12-02 15:21:47,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:21:47,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:21:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:21:47,833 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 15:21:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:21:47,931 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 15:21:47,931 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 15:21:47,932 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 15:21:47,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:21:47,936 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-02 15:21:47,988 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 15:21:47,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:21:47 BoogieIcfgContainer [2024-12-02 15:21:47,992 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 15:21:47,992 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 15:21:47,992 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 15:21:47,992 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 15:21:47,993 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:21:46" (3/4) ... [2024-12-02 15:21:47,995 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 15:21:47,996 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 15:21:47,997 INFO L158 Benchmark]: Toolchain (without parser) took 1673.91ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 84.2MB in the end (delta: 32.4MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2024-12-02 15:21:47,997 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:21:47,997 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.11ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 104.1MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:21:47,998 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.58ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 102.2MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:21:47,998 INFO L158 Benchmark]: Boogie Preprocessor took 34.41ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 100.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:21:47,998 INFO L158 Benchmark]: RCFGBuilder took 321.01ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 85.3MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 15:21:47,998 INFO L158 Benchmark]: TraceAbstraction took 1050.39ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 84.2MB in the end (delta: 533.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:21:47,999 INFO L158 Benchmark]: Witness Printer took 3.82ms. Allocated memory is still 142.6MB. Free memory was 84.2MB in the beginning and 84.2MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:21:48,000 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 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.11ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 104.1MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.58ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 102.2MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.41ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 100.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 321.01ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 85.3MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1050.39ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 84.2MB in the end (delta: 533.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.82ms. Allocated memory is still 142.6MB. Free memory was 84.2MB in the beginning and 84.2MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someBinaryFLOATComparisonOperation at line 50, overapproximation of someBinaryFLOATComparisonOperation at line 71, overapproximation of someBinaryFLOATComparisonOperation at line 43, overapproximation of someBinaryFLOATComparisonOperation at line 87, overapproximation of someBinaryFLOATComparisonOperation at line 73, overapproximation of someBinaryFLOATComparisonOperation at line 41, overapproximation of someBinaryFLOATComparisonOperation at line 60. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 1; [L23] float var_1_2 = 63.75; [L24] float var_1_3 = 255.75; [L25] signed char var_1_5 = 10; [L26] signed char var_1_6 = 4; [L27] signed char var_1_7 = -10; [L28] float var_1_8 = 4.75; [L29] float var_1_9 = 99.5; [L30] float var_1_10 = 255.9; [L31] float var_1_11 = 24.85; [L32] signed long int var_1_12 = -2; [L33] signed long int var_1_13 = 1629954775; [L34] signed long int var_1_14 = 1; [L35] signed long int var_1_15 = 1928642731; VAL [isInitial=0, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_2=255/4, var_1_3=1023/4, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L91] isInitial = 1 [L92] FCALL initially() [L94] FCALL updateLastVariables() [L95] CALL updateVariables() [L57] var_1_2 = __VERIFIER_nondet_float() [L58] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_3=1023/4, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_3=1023/4, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L58] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_3=1023/4, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L59] var_1_3 = __VERIFIER_nondet_float() [L60] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L60] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L61] var_1_5 = __VERIFIER_nondet_char() [L62] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L62] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L63] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L63] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L64] var_1_6 = __VERIFIER_nondet_char() [L65] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L65] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L66] CALL assume_abort_if_not(var_1_6 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L66] RET assume_abort_if_not(var_1_6 <= 126) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L67] var_1_7 = __VERIFIER_nondet_char() [L68] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4, var_1_9=199/2] [L68] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4, var_1_9=199/2] [L69] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4, var_1_9=199/2] [L69] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4, var_1_9=199/2] [L70] var_1_9 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4] [L71] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4] [L72] var_1_10 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4] [L73] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4] [L74] var_1_13 = __VERIFIER_nondet_long() [L75] CALL assume_abort_if_not(var_1_13 >= 1073741822) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4] [L75] RET assume_abort_if_not(var_1_13 >= 1073741822) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4] [L76] CALL assume_abort_if_not(var_1_13 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4] [L76] RET assume_abort_if_not(var_1_13 <= 2147483646) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4] [L77] var_1_14 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=0, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=0, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4] [L78] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=0, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4] [L79] CALL assume_abort_if_not(var_1_14 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=0, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=0, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4] [L79] RET assume_abort_if_not(var_1_14 <= 1073741823) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=0, var_1_15=1928642731, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4] [L80] var_1_15 = __VERIFIER_nondet_long() [L81] CALL assume_abort_if_not(var_1_15 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=0, var_1_15=1073741823, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=0, var_1_15=1073741823, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4] [L81] RET assume_abort_if_not(var_1_15 >= 1073741823) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=0, var_1_15=1073741823, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4] [L82] CALL assume_abort_if_not(var_1_15 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=0, var_1_15=1073741823, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=0, var_1_15=1073741823, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4] [L82] RET assume_abort_if_not(var_1_15 <= 2147483646) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=0, var_1_15=1073741823, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4] [L95] RET updateVariables() [L96] CALL step() [L39] signed long int stepLocal_0 = -4; VAL [isInitial=1, stepLocal_0=-4, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=0, var_1_15=1073741823, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=19/4] [L40] COND TRUE stepLocal_0 < var_1_6 [L41] var_1_8 = ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) VAL [isInitial=1, var_1_10=1928642736, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=0, var_1_15=1073741823, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=1928642736, var_1_9=1928642736] [L43] var_1_11 = ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) [L44] signed long int stepLocal_1 = (((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7)); VAL [isInitial=1, stepLocal_1=126, var_1_10=1928642736, var_1_11=1928642736, var_1_12=-2, var_1_13=1073741822, var_1_14=0, var_1_15=1073741823, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=1928642736, var_1_9=1928642736] [L45] EXPR var_1_6 | 5 VAL [isInitial=1, stepLocal_1=126, var_1_10=1928642736, var_1_11=1928642736, var_1_12=-2, var_1_13=1073741822, var_1_14=0, var_1_15=1073741823, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=1928642736, var_1_9=1928642736] [L45] COND TRUE (var_1_6 | 5) <= stepLocal_1 [L46] var_1_12 = (((((var_1_6) < ((var_1_13 - var_1_14))) ? (var_1_6) : ((var_1_13 - var_1_14)))) - (var_1_15 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))))) VAL [isInitial=1, var_1_10=1928642736, var_1_11=1928642736, var_1_12=-1073741818, var_1_13=1073741822, var_1_14=0, var_1_15=1073741823, var_1_1=1, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=1928642736, var_1_9=1928642736] [L50] COND TRUE (var_1_2 - var_1_3) <= (- var_1_11) [L51] var_1_1 = (((((var_1_5 - var_1_6)) < (var_1_7)) ? ((var_1_5 - var_1_6)) : (var_1_7))) VAL [isInitial=1, var_1_10=1928642736, var_1_11=1928642736, var_1_12=-1073741818, var_1_13=1073741822, var_1_14=0, var_1_15=1073741823, var_1_1=-5, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=1928642736, var_1_9=1928642736] [L96] RET step() [L97] CALL, EXPR property() [L87] EXPR (((((var_1_2 - var_1_3) <= (- var_1_11)) ? (var_1_1 == ((signed char) (((((var_1_5 - var_1_6)) < (var_1_7)) ? ((var_1_5 - var_1_6)) : (var_1_7))))) : (var_1_1 == ((signed char) var_1_5))) && ((-4 < var_1_6) ? (var_1_8 == ((float) ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))))) : 1)) && (var_1_11 == ((float) ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10)))))) && (((var_1_6 | 5) <= ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7)))) ? (var_1_12 == ((signed long int) (((((var_1_6) < ((var_1_13 - var_1_14))) ? (var_1_6) : ((var_1_13 - var_1_14)))) - (var_1_15 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))))))) : (var_1_12 == ((signed long int) 4))) VAL [isInitial=1, var_1_10=1928642736, var_1_11=1928642736, var_1_12=-1073741818, var_1_13=1073741822, var_1_14=0, var_1_15=1073741823, var_1_1=-5, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=1928642736, var_1_9=1928642736] [L87-L88] return (((((var_1_2 - var_1_3) <= (- var_1_11)) ? (var_1_1 == ((signed char) (((((var_1_5 - var_1_6)) < (var_1_7)) ? ((var_1_5 - var_1_6)) : (var_1_7))))) : (var_1_1 == ((signed char) var_1_5))) && ((-4 < var_1_6) ? (var_1_8 == ((float) ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))))) : 1)) && (var_1_11 == ((float) ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10)))))) && (((var_1_6 | 5) <= ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7)))) ? (var_1_12 == ((signed long int) (((((var_1_6) < ((var_1_13 - var_1_14))) ? (var_1_6) : ((var_1_13 - var_1_14)))) - (var_1_15 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))))))) : (var_1_12 == ((signed long int) 4))) ; [L97] RET, EXPR property() [L97] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1928642736, var_1_11=1928642736, var_1_12=-1073741818, var_1_13=1073741822, var_1_14=0, var_1_15=1073741823, var_1_1=-5, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=1928642736, var_1_9=1928642736] [L19] reach_error() VAL [isInitial=1, var_1_10=1928642736, var_1_11=1928642736, var_1_12=-1073741818, var_1_13=1073741822, var_1_14=0, var_1_15=1073741823, var_1_1=-5, var_1_5=0, var_1_6=5, var_1_7=126, var_1_8=1928642736, var_1_9=1928642736] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 75 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 318 NumberOfCodeBlocks, 318 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 210 ConstructedInterpolants, 0 QuantifiedInterpolants, 210 SizeOfPredicates, 0 NumberOfNonLiveVariables, 248 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 930/960 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 15:21:48,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/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_d4e51551-88c8-424e-b0ea-ebd2b30511a5/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/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_d4e51551-88c8-424e-b0ea-ebd2b30511a5/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/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_d4e51551-88c8-424e-b0ea-ebd2b30511a5/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 4f1870d8bb26f19fc016ebe1e30286b93b39289f035d1cae3f18e31061d9b666 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:21:49,891 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:21:49,970 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 15:21:49,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:21:49,977 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:21:49,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:21:49,999 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:21:49,999 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:21:49,999 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:21:49,999 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:21:49,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:21:50,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:21:50,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:21:50,000 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:21:50,000 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:21:50,000 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:21:50,000 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:21:50,000 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:21:50,000 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:21:50,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:21:50,001 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:21:50,001 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:21:50,001 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:21:50,001 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 15:21:50,001 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 15:21:50,001 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 15:21:50,001 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:21:50,001 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:21:50,001 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:21:50,001 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:21:50,002 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:21:50,002 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:21:50,002 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:21:50,002 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:21:50,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:21:50,002 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:21:50,002 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:21:50,002 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:21:50,002 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:21:50,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:21:50,003 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:21:50,003 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:21:50,003 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:21:50,003 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:21:50,003 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 15:21:50,003 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 15:21:50,003 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:21:50,003 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:21:50,003 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:21:50,003 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:21:50,003 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_d4e51551-88c8-424e-b0ea-ebd2b30511a5/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 -> 4f1870d8bb26f19fc016ebe1e30286b93b39289f035d1cae3f18e31061d9b666 [2024-12-02 15:21:50,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:21:50,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:21:50,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:21:50,223 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:21:50,223 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:21:50,224 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-28.i [2024-12-02 15:21:52,818 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/bin/uautomizer-verify-84ZbGMXZE1/data/c0b517755/6476bfa676fe42c0ac30abcc22fa7668/FLAG8cfa7f636 [2024-12-02 15:21:53,020 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:21:53,021 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-28.i [2024-12-02 15:21:53,029 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/bin/uautomizer-verify-84ZbGMXZE1/data/c0b517755/6476bfa676fe42c0ac30abcc22fa7668/FLAG8cfa7f636 [2024-12-02 15:21:53,392 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/bin/uautomizer-verify-84ZbGMXZE1/data/c0b517755/6476bfa676fe42c0ac30abcc22fa7668 [2024-12-02 15:21:53,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:21:53,394 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:21:53,395 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:21:53,395 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:21:53,398 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:21:53,399 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:21:53" (1/1) ... [2024-12-02 15:21:53,399 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50576f11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:53, skipping insertion in model container [2024-12-02 15:21:53,399 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:21:53" (1/1) ... [2024-12-02 15:21:53,414 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:21:53,538 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_d4e51551-88c8-424e-b0ea-ebd2b30511a5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-28.i[915,928] [2024-12-02 15:21:53,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:21:53,586 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:21:53,594 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_d4e51551-88c8-424e-b0ea-ebd2b30511a5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-28.i[915,928] [2024-12-02 15:21:53,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:21:53,629 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:21:53,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:53 WrapperNode [2024-12-02 15:21:53,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:21:53,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:21:53,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:21:53,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:21:53,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:53" (1/1) ... [2024-12-02 15:21:53,646 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:53" (1/1) ... [2024-12-02 15:21:53,667 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2024-12-02 15:21:53,667 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:21:53,668 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:21:53,668 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:21:53,668 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:21:53,677 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:53" (1/1) ... [2024-12-02 15:21:53,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:53" (1/1) ... [2024-12-02 15:21:53,680 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:53" (1/1) ... [2024-12-02 15:21:53,691 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 15:21:53,692 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:53" (1/1) ... [2024-12-02 15:21:53,692 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:53" (1/1) ... [2024-12-02 15:21:53,699 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:53" (1/1) ... [2024-12-02 15:21:53,700 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:53" (1/1) ... [2024-12-02 15:21:53,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:53" (1/1) ... [2024-12-02 15:21:53,705 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:53" (1/1) ... [2024-12-02 15:21:53,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:53" (1/1) ... [2024-12-02 15:21:53,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:21:53,709 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:21:53,709 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:21:53,710 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:21:53,711 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:53" (1/1) ... [2024-12-02 15:21:53,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:21:53,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:21:53,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:21:53,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:21:53,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:21:53,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 15:21:53,764 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:21:53,764 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:21:53,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:21:53,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:21:53,829 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:21:53,830 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:21:54,167 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-02 15:21:54,167 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:21:54,177 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:21:54,177 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:21:54,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:21:54 BoogieIcfgContainer [2024-12-02 15:21:54,177 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:21:54,180 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:21:54,180 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:21:54,184 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:21:54,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:21:53" (1/3) ... [2024-12-02 15:21:54,185 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4684e179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:21:54, skipping insertion in model container [2024-12-02 15:21:54,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:53" (2/3) ... [2024-12-02 15:21:54,185 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4684e179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:21:54, skipping insertion in model container [2024-12-02 15:21:54,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:21:54" (3/3) ... [2024-12-02 15:21:54,186 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-28.i [2024-12-02 15:21:54,200 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:21:54,202 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-28.i that has 2 procedures, 49 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:21:54,241 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:21:54,249 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;@3d0c71d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:21:54,249 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:21:54,253 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 15:21:54,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 15:21:54,261 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:21:54,262 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:21:54,263 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:21:54,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:21:54,267 INFO L85 PathProgramCache]: Analyzing trace with hash -180577147, now seen corresponding path program 1 times [2024-12-02 15:21:54,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:21:54,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1079271074] [2024-12-02 15:21:54,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:21:54,275 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 15:21:54,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:21:54,277 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/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 15:21:54,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/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 15:21:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:21:54,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:21:54,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:21:54,556 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-12-02 15:21:54,556 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:21:54,556 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:21:54,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1079271074] [2024-12-02 15:21:54,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1079271074] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:21:54,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:21:54,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 15:21:54,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619862431] [2024-12-02 15:21:54,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:21:54,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:21:54,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:21:54,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:21:54,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:21:54,577 INFO L87 Difference]: Start difference. First operand has 49 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 15:21:54,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:21:54,593 INFO L93 Difference]: Finished difference Result 91 states and 150 transitions. [2024-12-02 15:21:54,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:21:54,594 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 103 [2024-12-02 15:21:54,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:21:54,598 INFO L225 Difference]: With dead ends: 91 [2024-12-02 15:21:54,598 INFO L226 Difference]: Without dead ends: 45 [2024-12-02 15:21:54,600 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 102 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 15:21:54,602 INFO L435 NwaCegarLoop]: 63 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, 63 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 15:21:54,603 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:21:54,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-12-02 15:21:54,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-12-02 15:21:54,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 27 states have internal predecessors, (31), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 15:21:54,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2024-12-02 15:21:54,638 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 103 [2024-12-02 15:21:54,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:21:54,639 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2024-12-02 15:21:54,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 15:21:54,639 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2024-12-02 15:21:54,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 15:21:54,641 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:21:54,641 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:21:54,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/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 15:21:54,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/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 15:21:54,842 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:21:54,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:21:54,843 INFO L85 PathProgramCache]: Analyzing trace with hash -295658747, now seen corresponding path program 1 times [2024-12-02 15:21:54,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:21:54,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2075195899] [2024-12-02 15:21:54,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:21:54,844 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 15:21:54,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:21:54,846 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/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 15:21:54,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e51551-88c8-424e-b0ea-ebd2b30511a5/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 15:21:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:21:55,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 15:21:55,049 INFO L279 TraceCheckSpWp]: Computing forward predicates...