./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.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_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c7e8aed75b6aae514a0d499fcbb2bf5d3d807025150b968049d6109cd835d972 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:20:00,816 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:20:00,905 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:20:00,912 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:20:00,913 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:20:00,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:20:00,952 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:20:00,952 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:20:00,953 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:20:00,953 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:20:00,954 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:20:00,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:20:00,955 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:20:00,955 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:20:00,956 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:20:00,956 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:20:00,957 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:20:00,957 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:20:00,957 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:20:00,957 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:20:00,957 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:20:00,957 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:20:00,958 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:20:00,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:20:00,958 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:20:00,958 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:20:00,958 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:20:00,958 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:20:00,958 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:20:00,958 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:20:00,959 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:20:00,959 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:20:00,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:20:00,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:20:00,959 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:20:00,959 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:20:00,959 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:20:00,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:20:00,959 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:20:00,959 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:20:00,959 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:20:00,960 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:20:00,960 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:20:00,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:20:00,960 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:20:00,960 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:20:00,960 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:20:00,960 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:20:00,960 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_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7e8aed75b6aae514a0d499fcbb2bf5d3d807025150b968049d6109cd835d972 [2024-11-28 03:20:01,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:20:01,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:20:01,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:20:01,343 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:20:01,344 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:20:01,345 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i [2024-11-28 03:20:04,731 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/data/9cc7c2b9c/fc395d122b1a458cb6ff9a9fabd18403/FLAG8e4bb7dfa [2024-11-28 03:20:04,992 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:20:04,992 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i [2024-11-28 03:20:04,999 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/data/9cc7c2b9c/fc395d122b1a458cb6ff9a9fabd18403/FLAG8e4bb7dfa [2024-11-28 03:20:05,013 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/data/9cc7c2b9c/fc395d122b1a458cb6ff9a9fabd18403 [2024-11-28 03:20:05,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:20:05,016 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:20:05,017 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:20:05,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:20:05,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:20:05,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:05" (1/1) ... [2024-11-28 03:20:05,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7490d79a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:05, skipping insertion in model container [2024-11-28 03:20:05,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:05" (1/1) ... [2024-11-28 03:20:05,042 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:20:05,187 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_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i[915,928] [2024-11-28 03:20:05,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:20:05,278 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:20:05,296 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_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i[915,928] [2024-11-28 03:20:05,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:20:05,348 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:20:05,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:05 WrapperNode [2024-11-28 03:20:05,350 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:20:05,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:20:05,352 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:20:05,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:20:05,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:05" (1/1) ... [2024-11-28 03:20:05,377 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:05" (1/1) ... [2024-11-28 03:20:05,416 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136 [2024-11-28 03:20:05,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:20:05,417 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:20:05,417 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:20:05,417 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:20:05,431 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:05" (1/1) ... [2024-11-28 03:20:05,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:05" (1/1) ... [2024-11-28 03:20:05,434 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:05" (1/1) ... [2024-11-28 03:20:05,462 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 03:20:05,462 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:05" (1/1) ... [2024-11-28 03:20:05,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:05" (1/1) ... [2024-11-28 03:20:05,473 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:05" (1/1) ... [2024-11-28 03:20:05,482 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:05" (1/1) ... [2024-11-28 03:20:05,486 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:05" (1/1) ... [2024-11-28 03:20:05,487 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:05" (1/1) ... [2024-11-28 03:20:05,488 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:05" (1/1) ... [2024-11-28 03:20:05,490 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:20:05,491 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:20:05,491 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:20:05,492 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:20:05,493 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:05" (1/1) ... [2024-11-28 03:20:05,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:20:05,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:20:05,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:20:05,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:20:05,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:20:05,577 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:20:05,578 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:20:05,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:20:05,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:20:05,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:20:05,668 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:20:05,671 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:20:05,999 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-28 03:20:06,000 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:20:06,014 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:20:06,014 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:20:06,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:06 BoogieIcfgContainer [2024-11-28 03:20:06,015 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:20:06,018 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:20:06,018 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:20:06,024 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:20:06,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:20:05" (1/3) ... [2024-11-28 03:20:06,025 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4595ea7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:06, skipping insertion in model container [2024-11-28 03:20:06,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:05" (2/3) ... [2024-11-28 03:20:06,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4595ea7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:06, skipping insertion in model container [2024-11-28 03:20:06,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:06" (3/3) ... [2024-11-28 03:20:06,029 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-97.i [2024-11-28 03:20:06,049 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:20:06,050 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-97.i that has 2 procedures, 61 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:20:06,125 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:20:06,143 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;@35ce0b4c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:20:06,144 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:20:06,149 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 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) [2024-11-28 03:20:06,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 03:20:06,162 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:20:06,162 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] [2024-11-28 03:20:06,164 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:20:06,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:06,171 INFO L85 PathProgramCache]: Analyzing trace with hash -615160373, now seen corresponding path program 1 times [2024-11-28 03:20:06,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:20:06,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819692438] [2024-11-28 03:20:06,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:06,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:20:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:06,463 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-28 03:20:06,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:20:06,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819692438] [2024-11-28 03:20:06,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819692438] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:20:06,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140422479] [2024-11-28 03:20:06,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:06,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:20:06,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:20:06,467 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:20:06,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:20:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:06,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:20:06,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:20:06,700 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-28 03:20:06,700 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:20:06,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140422479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:20:06,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:20:06,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:20:06,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296056148] [2024-11-28 03:20:06,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:20:06,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:20:06,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:20:06,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:20:06,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:20:06,732 INFO L87 Difference]: Start difference. First operand has 61 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 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 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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) [2024-11-28 03:20:06,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:20:06,764 INFO L93 Difference]: Finished difference Result 114 states and 190 transitions. [2024-11-28 03:20:06,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:20:06,769 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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 103 [2024-11-28 03:20:06,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:20:06,778 INFO L225 Difference]: With dead ends: 114 [2024-11-28 03:20:06,779 INFO L226 Difference]: Without dead ends: 56 [2024-11-28 03:20:06,783 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:20:06,788 INFO L435 NwaCegarLoop]: 81 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, 81 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:20:06,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:20:06,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-28 03:20:06,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-28 03:20:06,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 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) [2024-11-28 03:20:06,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2024-11-28 03:20:06,841 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 103 [2024-11-28 03:20:06,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:20:06,842 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2024-11-28 03:20:06,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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) [2024-11-28 03:20:06,842 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2024-11-28 03:20:06,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 03:20:06,845 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:20:06,845 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] [2024-11-28 03:20:06,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:20:07,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 03:20:07,046 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:20:07,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:07,047 INFO L85 PathProgramCache]: Analyzing trace with hash 929365903, now seen corresponding path program 1 times [2024-11-28 03:20:07,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:20:07,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355265720] [2024-11-28 03:20:07,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:07,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:20:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:07,748 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:20:07,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:20:07,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355265720] [2024-11-28 03:20:07,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355265720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:20:07,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:20:07,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:20:07,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446927180] [2024-11-28 03:20:07,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:20:07,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:20:07,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:20:07,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:20:07,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:20:07,754 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:20:07,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:20:07,881 INFO L93 Difference]: Finished difference Result 131 states and 190 transitions. [2024-11-28 03:20:07,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:20:07,884 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 103 [2024-11-28 03:20:07,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:20:07,887 INFO L225 Difference]: With dead ends: 131 [2024-11-28 03:20:07,888 INFO L226 Difference]: Without dead ends: 78 [2024-11-28 03:20:07,888 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:20:07,891 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 27 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:20:07,891 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 405 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:20:07,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-28 03:20:07,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 64. [2024-11-28 03:20:07,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 46 states have internal predecessors, (62), 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) [2024-11-28 03:20:07,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 94 transitions. [2024-11-28 03:20:07,910 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 94 transitions. Word has length 103 [2024-11-28 03:20:07,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:20:07,915 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 94 transitions. [2024-11-28 03:20:07,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:20:07,915 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2024-11-28 03:20:07,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-28 03:20:07,917 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:20:07,917 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] [2024-11-28 03:20:07,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:20:07,917 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:20:07,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:07,920 INFO L85 PathProgramCache]: Analyzing trace with hash -138577346, now seen corresponding path program 1 times [2024-11-28 03:20:07,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:20:07,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516900466] [2024-11-28 03:20:07,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:07,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:20:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:08,236 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:20:08,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:20:08,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516900466] [2024-11-28 03:20:08,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516900466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:20:08,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:20:08,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:20:08,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254606214] [2024-11-28 03:20:08,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:20:08,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:20:08,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:20:08,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:20:08,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:20:08,238 INFO L87 Difference]: Start difference. First operand 64 states and 94 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:20:08,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:20:08,394 INFO L93 Difference]: Finished difference Result 141 states and 204 transitions. [2024-11-28 03:20:08,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:20:08,395 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 104 [2024-11-28 03:20:08,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:20:08,396 INFO L225 Difference]: With dead ends: 141 [2024-11-28 03:20:08,396 INFO L226 Difference]: Without dead ends: 80 [2024-11-28 03:20:08,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:20:08,400 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 26 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:20:08,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 310 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:20:08,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-28 03:20:08,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 67. [2024-11-28 03:20:08,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 49 states have internal predecessors, (63), 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) [2024-11-28 03:20:08,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 95 transitions. [2024-11-28 03:20:08,415 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 95 transitions. Word has length 104 [2024-11-28 03:20:08,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:20:08,416 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 95 transitions. [2024-11-28 03:20:08,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:20:08,416 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2024-11-28 03:20:08,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-28 03:20:08,422 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:20:08,422 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] [2024-11-28 03:20:08,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:20:08,422 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:20:08,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:08,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1110287530, now seen corresponding path program 1 times [2024-11-28 03:20:08,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:20:08,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694513803] [2024-11-28 03:20:08,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:08,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:20:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:20:08,505 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:20:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:20:08,597 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:20:08,597 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:20:08,598 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:20:08,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:20:08,603 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-28 03:20:08,694 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:20:08,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:20:08 BoogieIcfgContainer [2024-11-28 03:20:08,702 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:20:08,702 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:20:08,702 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:20:08,706 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:20:08,706 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:06" (3/4) ... [2024-11-28 03:20:08,709 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:20:08,709 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:20:08,710 INFO L158 Benchmark]: Toolchain (without parser) took 3694.19ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 63.5MB in the end (delta: 28.6MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-11-28 03:20:08,711 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:20:08,711 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.87ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 79.4MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:20:08,711 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.53ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 77.5MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:20:08,711 INFO L158 Benchmark]: Boogie Preprocessor took 73.81ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 75.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:20:08,712 INFO L158 Benchmark]: RCFGBuilder took 523.67ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 60.4MB in the end (delta: 15.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:20:08,712 INFO L158 Benchmark]: TraceAbstraction took 2684.06ms. Allocated memory is still 117.4MB. Free memory was 60.1MB in the beginning and 63.5MB in the end (delta: -3.4MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2024-11-28 03:20:08,712 INFO L158 Benchmark]: Witness Printer took 7.12ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 63.5MB in the end (delta: 14.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:20:08,717 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.87ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 79.4MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.53ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 77.5MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.81ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 75.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 523.67ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 60.4MB in the end (delta: 15.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2684.06ms. Allocated memory is still 117.4MB. Free memory was 60.1MB in the beginning and 63.5MB in the end (delta: -3.4MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Witness Printer took 7.12ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 63.5MB in the end (delta: 14.1kB). 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 57, overapproximation of someBinaryFLOATComparisonOperation at line 85, overapproximation of someBinaryFLOATComparisonOperation at line 87, overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryArithmeticFLOAToperation at line 57. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 16; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_6 = 1; [L25] signed short int var_1_7 = 32; [L26] signed short int var_1_8 = 20113; [L27] signed short int var_1_9 = 100; [L28] signed char var_1_10 = 100; [L29] signed char var_1_11 = -1; [L30] signed char var_1_12 = 16; [L31] float var_1_13 = 1.2; [L32] float var_1_14 = 3.6; [L33] float var_1_15 = 5.5; [L34] signed char last_1_var_1_10 = 100; VAL [isInitial=0, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L97] isInitial = 1 [L98] FCALL initially() [L100] CALL updateLastVariables() [L90] last_1_var_1_10 = var_1_10 VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L100] RET updateLastVariables() [L101] CALL updateVariables() [L63] var_1_2 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L64] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L65] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L65] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L66] var_1_6 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_7=32, var_1_8=20113, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_7=32, var_1_8=20113, var_1_9=100] [L67] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_7=32, var_1_8=20113, var_1_9=100] [L68] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L68] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L69] var_1_7 = __VERIFIER_nondet_short() [L70] CALL assume_abort_if_not(var_1_7 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=20113, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=20113, var_1_9=100] [L70] RET assume_abort_if_not(var_1_7 >= -1) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=20113, var_1_9=100] [L71] CALL assume_abort_if_not(var_1_7 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=20113, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=20113, var_1_9=100] [L71] RET assume_abort_if_not(var_1_7 <= 32766) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=20113, var_1_9=100] [L72] var_1_8 = __VERIFIER_nondet_short() [L73] CALL assume_abort_if_not(var_1_8 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=100] [L73] RET assume_abort_if_not(var_1_8 >= 16383) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=100] [L74] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=100] [L74] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=100] [L75] var_1_9 = __VERIFIER_nondet_short() [L76] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L76] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L77] CALL assume_abort_if_not(var_1_9 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L77] RET assume_abort_if_not(var_1_9 <= 16383) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L78] var_1_11 = __VERIFIER_nondet_char() [L79] CALL assume_abort_if_not(var_1_11 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L79] RET assume_abort_if_not(var_1_11 >= -63) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L80] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L80] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L81] var_1_12 = __VERIFIER_nondet_char() [L82] CALL assume_abort_if_not(var_1_12 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L82] RET assume_abort_if_not(var_1_12 >= -31) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L83] CALL assume_abort_if_not(var_1_12 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L83] RET assume_abort_if_not(var_1_12 <= 32) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L84] var_1_14 = __VERIFIER_nondet_float() [L85] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L85] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L86] var_1_15 = __VERIFIER_nondet_float() [L87] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L87] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L101] RET updateVariables() [L102] CALL step() [L38] COND FALSE !(\read(var_1_2)) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L49] COND TRUE var_1_1 == var_1_7 [L50] var_1_10 = (var_1_11 + (var_1_12 + -25)) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=-1, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L56] COND TRUE \read(var_1_6) [L57] var_1_13 = ((((16.3f) < ((((((var_1_14 - 1.875f)) > (63.5f)) ? ((var_1_14 - 1.875f)) : (63.5f))))) ? (16.3f) : ((((((var_1_14 - 1.875f)) > (63.5f)) ? ((var_1_14 - 1.875f)) : (63.5f)))))) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=-1, var_1_11=55, var_1_12=-31, var_1_13=163/10, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L102] RET step() [L103] CALL, EXPR property() [L93] EXPR (var_1_2 ? ((last_1_var_1_10 > last_1_var_1_10) ? (var_1_6 ? (var_1_1 == ((signed short int) (var_1_7 - (var_1_8 - var_1_9)))) : (var_1_1 == ((signed short int) last_1_var_1_10))) : (var_1_1 == ((signed short int) 8))) : 1) && ((var_1_1 == var_1_7) ? (var_1_10 == ((signed char) (var_1_11 + (var_1_12 + -25)))) : (((100 | var_1_1) >= var_1_7) ? (var_1_10 == ((signed char) var_1_11)) : 1)) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=-1, var_1_11=55, var_1_12=-31, var_1_13=163/10, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L93] EXPR (var_1_1 == var_1_7) ? (var_1_10 == ((signed char) (var_1_11 + (var_1_12 + -25)))) : (((100 | var_1_1) >= var_1_7) ? (var_1_10 == ((signed char) var_1_11)) : 1) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=-1, var_1_11=55, var_1_12=-31, var_1_13=163/10, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L93] EXPR (var_1_2 ? ((last_1_var_1_10 > last_1_var_1_10) ? (var_1_6 ? (var_1_1 == ((signed short int) (var_1_7 - (var_1_8 - var_1_9)))) : (var_1_1 == ((signed short int) last_1_var_1_10))) : (var_1_1 == ((signed short int) 8))) : 1) && ((var_1_1 == var_1_7) ? (var_1_10 == ((signed char) (var_1_11 + (var_1_12 + -25)))) : (((100 | var_1_1) >= var_1_7) ? (var_1_10 == ((signed char) var_1_11)) : 1)) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=-1, var_1_11=55, var_1_12=-31, var_1_13=163/10, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L93-L94] return ((var_1_2 ? ((last_1_var_1_10 > last_1_var_1_10) ? (var_1_6 ? (var_1_1 == ((signed short int) (var_1_7 - (var_1_8 - var_1_9)))) : (var_1_1 == ((signed short int) last_1_var_1_10))) : (var_1_1 == ((signed short int) 8))) : 1) && ((var_1_1 == var_1_7) ? (var_1_10 == ((signed char) (var_1_11 + (var_1_12 + -25)))) : (((100 | var_1_1) >= var_1_7) ? (var_1_10 == ((signed char) var_1_11)) : 1))) && (var_1_6 ? (var_1_13 == ((float) ((((16.3f) < ((((((var_1_14 - 1.875f)) > (63.5f)) ? ((var_1_14 - 1.875f)) : (63.5f))))) ? (16.3f) : ((((((var_1_14 - 1.875f)) > (63.5f)) ? ((var_1_14 - 1.875f)) : (63.5f)))))))) : (var_1_13 == ((float) (var_1_14 - var_1_15)))) ; [L103] RET, EXPR property() [L103] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=-1, var_1_11=55, var_1_12=-31, var_1_13=163/10, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=100, var_1_10=-1, var_1_11=55, var_1_12=-31, var_1_13=163/10, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 4, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 53 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 53 mSDsluCounter, 796 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 534 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89 IncrementalHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 262 mSDtfsCounter, 89 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=3, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 27 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 518 NumberOfCodeBlocks, 518 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 409 ConstructedInterpolants, 0 QuantifiedInterpolants, 459 SizeOfPredicates, 0 NumberOfNonLiveVariables, 237 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 1890/1920 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 03:20:08,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c7e8aed75b6aae514a0d499fcbb2bf5d3d807025150b968049d6109cd835d972 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:20:11,369 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:20:11,520 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 03:20:11,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:20:11,530 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:20:11,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:20:11,570 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:20:11,571 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:20:11,571 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:20:11,571 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:20:11,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:20:11,572 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:20:11,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:20:11,572 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:20:11,572 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:20:11,574 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:20:11,574 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:20:11,574 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:20:11,574 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:20:11,574 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:20:11,574 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:20:11,575 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:20:11,575 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:20:11,575 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:20:11,575 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:20:11,575 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:20:11,575 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:20:11,575 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:20:11,575 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:20:11,575 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:20:11,575 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:20:11,576 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:20:11,576 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:20:11,576 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:20:11,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:20:11,576 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:20:11,576 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:20:11,576 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:20:11,576 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:20:11,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:20:11,576 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:20:11,576 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:20:11,577 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:20:11,577 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:20:11,577 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:20:11,577 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:20:11,577 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:20:11,577 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:20:11,577 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:20:11,577 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:20:11,577 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_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7e8aed75b6aae514a0d499fcbb2bf5d3d807025150b968049d6109cd835d972 [2024-11-28 03:20:11,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:20:11,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:20:11,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:20:11,942 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:20:11,943 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:20:11,944 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i [2024-11-28 03:20:15,013 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/data/4079bf147/cfd3662670b44aa78ba0ec16a8a0f424/FLAGbf64c5698 [2024-11-28 03:20:15,343 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:20:15,344 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i [2024-11-28 03:20:15,358 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/data/4079bf147/cfd3662670b44aa78ba0ec16a8a0f424/FLAGbf64c5698 [2024-11-28 03:20:15,388 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/data/4079bf147/cfd3662670b44aa78ba0ec16a8a0f424 [2024-11-28 03:20:15,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:20:15,393 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:20:15,395 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:20:15,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:20:15,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:20:15,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:15" (1/1) ... [2024-11-28 03:20:15,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f9bf6cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:15, skipping insertion in model container [2024-11-28 03:20:15,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:15" (1/1) ... [2024-11-28 03:20:15,431 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:20:15,645 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_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i[915,928] [2024-11-28 03:20:15,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:20:15,755 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:20:15,772 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_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i[915,928] [2024-11-28 03:20:15,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:20:15,840 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:20:15,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:15 WrapperNode [2024-11-28 03:20:15,841 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:20:15,842 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:20:15,843 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:20:15,843 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:20:15,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:15" (1/1) ... [2024-11-28 03:20:15,866 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:15" (1/1) ... [2024-11-28 03:20:15,905 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 103 [2024-11-28 03:20:15,905 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:20:15,908 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:20:15,908 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:20:15,908 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:20:15,918 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:15" (1/1) ... [2024-11-28 03:20:15,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:15" (1/1) ... [2024-11-28 03:20:15,921 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:15" (1/1) ... [2024-11-28 03:20:15,942 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 03:20:15,943 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:15" (1/1) ... [2024-11-28 03:20:15,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:15" (1/1) ... [2024-11-28 03:20:15,962 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:15" (1/1) ... [2024-11-28 03:20:15,963 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:15" (1/1) ... [2024-11-28 03:20:15,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:15" (1/1) ... [2024-11-28 03:20:15,975 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:15" (1/1) ... [2024-11-28 03:20:15,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:15" (1/1) ... [2024-11-28 03:20:15,983 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:20:15,984 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:20:15,984 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:20:15,984 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:20:15,988 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:15" (1/1) ... [2024-11-28 03:20:15,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:20:16,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:20:16,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:20:16,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:20:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:20:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:20:16,076 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:20:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:20:16,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:20:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:20:16,179 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:20:16,181 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:20:16,976 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-28 03:20:16,976 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:20:16,991 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:20:16,991 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:20:16,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:16 BoogieIcfgContainer [2024-11-28 03:20:16,992 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:20:16,995 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:20:16,996 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:20:17,004 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:20:17,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:20:15" (1/3) ... [2024-11-28 03:20:17,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@469481ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:17, skipping insertion in model container [2024-11-28 03:20:17,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:15" (2/3) ... [2024-11-28 03:20:17,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@469481ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:17, skipping insertion in model container [2024-11-28 03:20:17,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:16" (3/3) ... [2024-11-28 03:20:17,010 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-97.i [2024-11-28 03:20:17,031 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:20:17,034 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-97.i that has 2 procedures, 50 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:20:17,125 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:20:17,141 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;@2e8e232c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:20:17,141 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:20:17,148 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 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) [2024-11-28 03:20:17,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-28 03:20:17,164 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:20:17,166 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] [2024-11-28 03:20:17,166 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:20:17,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:17,197 INFO L85 PathProgramCache]: Analyzing trace with hash -485837608, now seen corresponding path program 1 times [2024-11-28 03:20:17,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:20:17,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [557494227] [2024-11-28 03:20:17,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:17,216 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:20:17,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:20:17,221 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:20:17,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 03:20:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:17,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:20:17,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:20:17,673 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-11-28 03:20:17,673 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:20:17,674 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:20:17,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [557494227] [2024-11-28 03:20:17,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [557494227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:20:17,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:20:17,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:20:17,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523020446] [2024-11-28 03:20:17,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:20:17,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:20:17,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:20:17,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:20:17,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:20:17,712 INFO L87 Difference]: Start difference. First operand has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 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 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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) [2024-11-28 03:20:17,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:20:17,753 INFO L93 Difference]: Finished difference Result 92 states and 156 transitions. [2024-11-28 03:20:17,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:20:17,756 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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 101 [2024-11-28 03:20:17,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:20:17,765 INFO L225 Difference]: With dead ends: 92 [2024-11-28 03:20:17,767 INFO L226 Difference]: Without dead ends: 45 [2024-11-28 03:20:17,771 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:20:17,777 INFO L435 NwaCegarLoop]: 64 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, 64 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:20:17,779 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:20:17,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-28 03:20:17,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-28 03:20:17,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 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) [2024-11-28 03:20:17,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2024-11-28 03:20:17,833 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 101 [2024-11-28 03:20:17,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:20:17,833 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2024-11-28 03:20:17,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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) [2024-11-28 03:20:17,834 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2024-11-28 03:20:17,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-28 03:20:17,840 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:20:17,840 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] [2024-11-28 03:20:17,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 03:20:18,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:20:18,041 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:20:18,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:18,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1862135708, now seen corresponding path program 1 times [2024-11-28 03:20:18,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:20:18,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [936957578] [2024-11-28 03:20:18,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:18,043 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:20:18,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:20:18,046 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:20:18,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-28 03:20:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:18,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 03:20:18,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:23:58,931 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:23:58,933 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:23:58,933 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:23:58,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [936957578] [2024-11-28 03:23:58,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [936957578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:58,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:23:58,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:23:58,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830613504] [2024-11-28 03:23:58,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:58,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:23:58,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:23:58,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:23:58,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:23:58,939 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:24:00,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:00,658 INFO L93 Difference]: Finished difference Result 73 states and 96 transitions. [2024-11-28 03:24:00,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:24:00,659 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 101 [2024-11-28 03:24:00,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:00,661 INFO L225 Difference]: With dead ends: 73 [2024-11-28 03:24:00,661 INFO L226 Difference]: Without dead ends: 71 [2024-11-28 03:24:00,661 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:24:00,662 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 61 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:00,663 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 224 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 03:24:00,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-28 03:24:00,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 50. [2024-11-28 03:24:00,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 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) [2024-11-28 03:24:00,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2024-11-28 03:24:00,672 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 101 [2024-11-28 03:24:00,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:00,674 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2024-11-28 03:24:00,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:24:00,674 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2024-11-28 03:24:00,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-28 03:24:00,676 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:00,676 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] [2024-11-28 03:24:00,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-28 03:24:00,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:24:00,877 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:24:00,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:00,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1863982750, now seen corresponding path program 1 times [2024-11-28 03:24:00,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:24:00,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [997514110] [2024-11-28 03:24:00,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:00,878 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:24:00,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:24:00,880 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:24:00,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-28 03:24:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:01,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 03:24:01,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:33:02,747 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-28 03:33:02,747 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:33:02,747 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:33:02,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [997514110] [2024-11-28 03:33:02,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [997514110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:02,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:33:02,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 03:33:02,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146779875] [2024-11-28 03:33:02,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:02,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 03:33:02,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:33:02,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 03:33:02,749 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:33:02,749 INFO L87 Difference]: Start difference. First operand 50 states and 71 transitions. Second operand has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:33:08,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:33:08,158 INFO L93 Difference]: Finished difference Result 81 states and 102 transitions. [2024-11-28 03:33:08,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 03:33:08,162 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 101 [2024-11-28 03:33:08,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:33:08,164 INFO L225 Difference]: With dead ends: 81 [2024-11-28 03:33:08,164 INFO L226 Difference]: Without dead ends: 79 [2024-11-28 03:33:08,165 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2024-11-28 03:33:08,165 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 90 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:33:08,166 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 220 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-28 03:33:08,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-28 03:33:08,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 58. [2024-11-28 03:33:08,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 38 states have (on average 1.1842105263157894) internal successors, (45), 38 states have internal predecessors, (45), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 03:33:08,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 77 transitions. [2024-11-28 03:33:08,184 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 77 transitions. Word has length 101 [2024-11-28 03:33:08,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:33:08,186 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 77 transitions. [2024-11-28 03:33:08,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:33:08,186 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 77 transitions. [2024-11-28 03:33:08,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-28 03:33:08,188 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:33:08,188 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] [2024-11-28 03:33:08,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-28 03:33:08,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:33:08,389 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:33:08,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:08,390 INFO L85 PathProgramCache]: Analyzing trace with hash -803859267, now seen corresponding path program 1 times [2024-11-28 03:33:08,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:33:08,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1589165078] [2024-11-28 03:33:08,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:08,390 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:33:08,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:33:08,394 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:33:08,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f85ef6-ee38-4636-9ed3-0099dbafbfb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-28 03:33:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:08,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 03:33:08,585 INFO L279 TraceCheckSpWp]: Computing forward predicates...