./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-47.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya --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 84580c439ea85a9e7d0de81baf3e48a12bc732c424c1741d74078f19769c6d85 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:23:26,859 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:23:26,919 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 02:23:26,924 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:23:26,924 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:23:26,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:23:26,949 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:23:26,950 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:23:26,950 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:23:26,951 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:23:26,951 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:23:26,952 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:23:26,952 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:23:26,953 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:23:26,953 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:23:26,954 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:23:26,954 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:23:26,955 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:23:26,955 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:23:26,956 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:23:26,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:23:26,960 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:23:26,961 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:23:26,961 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:23:26,962 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:23:26,962 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:23:26,962 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:23:26,963 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:23:26,963 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:23:26,963 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:23:26,964 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:23:26,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:23:26,964 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:23:26,965 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:23:26,965 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:23:26,965 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:23:26,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:23:26,965 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:23:26,966 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:23:26,966 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:23:26,966 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:23:26,966 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:23:26,966 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84580c439ea85a9e7d0de81baf3e48a12bc732c424c1741d74078f19769c6d85 [2023-11-29 02:23:27,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:23:27,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:23:27,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:23:27,211 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:23:27,211 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:23:27,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-47.i [2023-11-29 02:23:29,992 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:23:30,165 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:23:30,166 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-47.i [2023-11-29 02:23:30,173 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/data/42b0aff25/47ec84131c1c40dca56bbc1db8058c88/FLAGf23e5e7ae [2023-11-29 02:23:30,185 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/data/42b0aff25/47ec84131c1c40dca56bbc1db8058c88 [2023-11-29 02:23:30,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:23:30,189 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:23:30,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:23:30,190 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:23:30,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:23:30,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:23:30" (1/1) ... [2023-11-29 02:23:30,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@259988f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:30, skipping insertion in model container [2023-11-29 02:23:30,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:23:30" (1/1) ... [2023-11-29 02:23:30,224 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:23:30,364 WARN L240 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_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-47.i[915,928] [2023-11-29 02:23:30,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:23:30,415 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:23:30,428 WARN L240 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_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-47.i[915,928] [2023-11-29 02:23:30,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:23:30,464 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:23:30,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:30 WrapperNode [2023-11-29 02:23:30,464 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:23:30,466 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:23:30,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:23:30,466 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:23:30,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:30" (1/1) ... [2023-11-29 02:23:30,483 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:30" (1/1) ... [2023-11-29 02:23:30,510 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 90 [2023-11-29 02:23:30,510 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:23:30,511 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:23:30,511 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:23:30,511 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:23:30,524 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:30" (1/1) ... [2023-11-29 02:23:30,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:30" (1/1) ... [2023-11-29 02:23:30,526 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:30" (1/1) ... [2023-11-29 02:23:30,540 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]. [2023-11-29 02:23:30,541 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:30" (1/1) ... [2023-11-29 02:23:30,541 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:30" (1/1) ... [2023-11-29 02:23:30,547 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:30" (1/1) ... [2023-11-29 02:23:30,551 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:30" (1/1) ... [2023-11-29 02:23:30,552 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:30" (1/1) ... [2023-11-29 02:23:30,554 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:30" (1/1) ... [2023-11-29 02:23:30,556 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:23:30,557 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:23:30,558 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:23:30,558 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:23:30,559 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:30" (1/1) ... [2023-11-29 02:23:30,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:23:30,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:23:30,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:23:30,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:23:30,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:23:30,621 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 02:23:30,621 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 02:23:30,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:23:30,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:23:30,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:23:30,693 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:23:30,695 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:23:30,869 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:23:30,912 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:23:30,912 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 02:23:30,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:23:30 BoogieIcfgContainer [2023-11-29 02:23:30,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:23:30,915 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:23:30,916 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:23:30,918 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:23:30,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:23:30" (1/3) ... [2023-11-29 02:23:30,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5823e38a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:23:30, skipping insertion in model container [2023-11-29 02:23:30,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:30" (2/3) ... [2023-11-29 02:23:30,920 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5823e38a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:23:30, skipping insertion in model container [2023-11-29 02:23:30,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:23:30" (3/3) ... [2023-11-29 02:23:30,922 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-47.i [2023-11-29 02:23:30,938 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:23:30,938 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:23:30,982 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:23:30,988 INFO L357 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, mHoare=true, 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;@f41c082, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:23:30,989 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:23:30,992 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 23 states have internal predecessors, (32), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-29 02:23:31,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-29 02:23:31,001 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:23:31,002 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:23:31,002 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:23:31,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:23:31,007 INFO L85 PathProgramCache]: Analyzing trace with hash -2066073024, now seen corresponding path program 1 times [2023-11-29 02:23:31,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:23:31,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389549346] [2023-11-29 02:23:31,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:23:31,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:23:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:23:31,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:23:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:23:31,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:23:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:23:31,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 02:23:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:23:31,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:23:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:23:31,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 02:23:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:23:31,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 02:23:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:23:31,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 02:23:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:23:31,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 02:23:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:23:31,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 02:23:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:23:31,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 02:23:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:23:31,308 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-29 02:23:31,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:23:31,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389549346] [2023-11-29 02:23:31,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389549346] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:23:31,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:23:31,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:23:31,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133825603] [2023-11-29 02:23:31,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:23:31,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:23:31,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:23:31,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:23:31,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:23:31,349 INFO L87 Difference]: Start difference. First operand has 35 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 23 states have internal predecessors, (32), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 02:23:31,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:23:31,386 INFO L93 Difference]: Finished difference Result 67 states and 112 transitions. [2023-11-29 02:23:31,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:23:31,389 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) Word has length 65 [2023-11-29 02:23:31,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:23:31,396 INFO L225 Difference]: With dead ends: 67 [2023-11-29 02:23:31,396 INFO L226 Difference]: Without dead ends: 33 [2023-11-29 02:23:31,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:23:31,404 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:23:31,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 44 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:23:31,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-11-29 02:23:31,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2023-11-29 02:23:31,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 21 states have internal predecessors, (27), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-29 02:23:31,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 47 transitions. [2023-11-29 02:23:31,446 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 47 transitions. Word has length 65 [2023-11-29 02:23:31,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:23:31,446 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 47 transitions. [2023-11-29 02:23:31,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 02:23:31,447 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2023-11-29 02:23:31,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-29 02:23:31,450 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:23:31,450 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:23:31,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:23:31,451 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:23:31,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:23:31,452 INFO L85 PathProgramCache]: Analyzing trace with hash -62286396, now seen corresponding path program 1 times [2023-11-29 02:23:31,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:23:31,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424350214] [2023-11-29 02:23:31,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:23:31,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:23:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:23:31,613 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:23:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:23:31,743 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:23:31,743 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 02:23:31,745 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 02:23:31,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:23:31,750 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 02:23:31,754 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:23:31,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:23:31 BoogieIcfgContainer [2023-11-29 02:23:31,804 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:23:31,805 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:23:31,805 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:23:31,805 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:23:31,806 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:23:30" (3/4) ... [2023-11-29 02:23:31,808 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 02:23:31,809 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:23:31,810 INFO L158 Benchmark]: Toolchain (without parser) took 1621.13ms. Allocated memory is still 138.4MB. Free memory was 100.4MB in the beginning and 62.8MB in the end (delta: 37.6MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2023-11-29 02:23:31,810 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:23:31,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.16ms. Allocated memory is still 138.4MB. Free memory was 100.4MB in the beginning and 88.3MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 02:23:31,812 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.69ms. Allocated memory is still 138.4MB. Free memory was 88.3MB in the beginning and 86.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:23:31,812 INFO L158 Benchmark]: Boogie Preprocessor took 45.53ms. Allocated memory is still 138.4MB. Free memory was 86.2MB in the beginning and 84.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:23:31,813 INFO L158 Benchmark]: RCFGBuilder took 355.33ms. Allocated memory is still 138.4MB. Free memory was 84.1MB in the beginning and 69.0MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 02:23:31,813 INFO L158 Benchmark]: TraceAbstraction took 888.79ms. Allocated memory is still 138.4MB. Free memory was 68.2MB in the beginning and 62.8MB in the end (delta: 5.5MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2023-11-29 02:23:31,814 INFO L158 Benchmark]: Witness Printer took 4.48ms. Allocated memory is still 138.4MB. Free memory is still 62.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:23:31,816 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.16ms. Allocated memory is still 138.4MB. Free memory was 100.4MB in the beginning and 88.3MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.69ms. Allocated memory is still 138.4MB. Free memory was 88.3MB in the beginning and 86.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.53ms. Allocated memory is still 138.4MB. Free memory was 86.2MB in the beginning and 84.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 355.33ms. Allocated memory is still 138.4MB. Free memory was 84.1MB in the beginning and 69.0MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 888.79ms. Allocated memory is still 138.4MB. Free memory was 68.2MB in the beginning and 62.8MB in the end (delta: 5.5MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * Witness Printer took 4.48ms. Allocated memory is still 138.4MB. Free memory is still 62.8MB. 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 81, overapproximation of someUnaryDOUBLEoperation at line 24, overapproximation of someBinaryDOUBLEComparisonOperation at line 81, overapproximation of someUnaryFLOAToperation at line 49, overapproximation of someBinaryArithmeticFLOAToperation at line 49. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 24.575; [L23] double var_1_8 = 128.5; [L24] float var_1_9 = -0.5; [L25] float var_1_10 = 200.4; [L26] unsigned long int var_1_11 = 4; [L27] unsigned char var_1_12 = 1; [L28] unsigned long int var_1_13 = 3607105345; [L29] signed char var_1_14 = 0; [L30] signed char var_1_15 = 0; [L31] signed char var_1_16 = 16; [L32] double last_1_var_1_1 = 24.575; [L33] float last_1_var_1_9 = -0.5; [L85] isInitial = 1 [L86] FCALL initially() [L87] COND TRUE 1 [L88] CALL updateLastVariables() [L77] last_1_var_1_1 = var_1_1 [L78] last_1_var_1_9 = var_1_9 [L88] RET updateLastVariables() [L89] CALL updateVariables() [L59] var_1_8 = __VERIFIER_nondet_double() [L60] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_10=1002/5, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=3607105352] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_10=1002/5, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=3607105352] [L60] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_10=1002/5, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=3607105352] [L61] var_1_10 = __VERIFIER_nondet_float() [L62] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=3607105352] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=3607105352] [L62] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=3607105352] [L63] var_1_12 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=3607105352] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=3607105352] [L64] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=3607105352] [L65] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4, var_1_12=0, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=3607105352] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4, var_1_12=0, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=3607105352] [L65] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4, var_1_12=0, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=3607105352] [L66] var_1_13 = __VERIFIER_nondet_ulong() [L67] CALL assume_abort_if_not(var_1_13 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4, var_1_12=0, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=3607105352] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4, var_1_12=0, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=3607105352] [L67] RET assume_abort_if_not(var_1_13 >= 2147483647) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4, var_1_12=0, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=3607105352] [L68] CALL assume_abort_if_not(var_1_13 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4, var_1_12=0, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=3607105352] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4, var_1_12=0, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=3607105352] [L68] RET assume_abort_if_not(var_1_13 <= 4294967294) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4, var_1_12=0, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=3607105352] [L69] var_1_15 = __VERIFIER_nondet_char() [L70] CALL assume_abort_if_not(var_1_15 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4, var_1_12=0, var_1_13=2147483647, var_1_14=0, var_1_15=-1, var_1_16=16, var_1_1=983/40, var_1_9=3607105352] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4, var_1_12=0, var_1_13=2147483647, var_1_14=0, var_1_15=-1, var_1_16=16, var_1_1=983/40, var_1_9=3607105352] [L70] RET assume_abort_if_not(var_1_15 >= -1) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4, var_1_12=0, var_1_13=2147483647, var_1_14=0, var_1_15=-1, var_1_16=16, var_1_1=983/40, var_1_9=3607105352] [L71] CALL assume_abort_if_not(var_1_15 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4, var_1_12=0, var_1_13=2147483647, var_1_14=0, var_1_15=-1, var_1_16=16, var_1_1=983/40, var_1_9=3607105352] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4, var_1_12=0, var_1_13=2147483647, var_1_14=0, var_1_15=-1, var_1_16=16, var_1_1=983/40, var_1_9=3607105352] [L71] RET assume_abort_if_not(var_1_15 <= 126) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4, var_1_12=0, var_1_13=2147483647, var_1_14=0, var_1_15=-1, var_1_16=16, var_1_1=983/40, var_1_9=3607105352] [L72] var_1_16 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4, var_1_12=0, var_1_13=2147483647, var_1_14=0, var_1_15=-1, var_1_16=1, var_1_1=983/40, var_1_9=3607105352] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4, var_1_12=0, var_1_13=2147483647, var_1_14=0, var_1_15=-1, var_1_16=1, var_1_1=983/40, var_1_9=3607105352] [L73] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4, var_1_12=0, var_1_13=2147483647, var_1_14=0, var_1_15=-1, var_1_16=1, var_1_1=983/40, var_1_9=3607105352] [L74] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4, var_1_12=0, var_1_13=2147483647, var_1_14=0, var_1_15=-1, var_1_16=1, var_1_1=983/40, var_1_9=3607105352] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4, var_1_12=0, var_1_13=2147483647, var_1_14=0, var_1_15=-1, var_1_16=1, var_1_1=983/40, var_1_9=3607105352] [L74] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4, var_1_12=0, var_1_13=2147483647, var_1_14=0, var_1_15=-1, var_1_16=1, var_1_1=983/40, var_1_9=3607105352] [L89] RET updateVariables() [L90] CALL step() [L37] COND FALSE !(((((last_1_var_1_9) > (last_1_var_1_9)) ? (last_1_var_1_9) : (last_1_var_1_9))) >= last_1_var_1_1) [L42] var_1_14 = var_1_15 VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4, var_1_12=0, var_1_13=2147483647, var_1_14=-1, var_1_15=-1, var_1_16=1, var_1_1=983/40, var_1_9=3607105352] [L44] COND FALSE !(\read(var_1_12)) [L47] var_1_11 = ((((var_1_14) > ((var_1_13 - (var_1_14 + 32u)))) ? (var_1_14) : ((var_1_13 - (var_1_14 + 32u))))) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4294967295, var_1_12=0, var_1_13=2147483647, var_1_14=-1, var_1_15=-1, var_1_16=1, var_1_1=983/40, var_1_9=3607105352] [L49] var_1_9 = ((((var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))) < 0 ) ? -(var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))) : (var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))))) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4294967295, var_1_12=0, var_1_13=2147483647, var_1_14=-1, var_1_15=-1, var_1_16=1, var_1_1=983/40, var_1_9=3607105350] [L50] COND FALSE !(var_1_9 <= var_1_9) [L55] var_1_1 = var_1_8 VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4294967295, var_1_12=0, var_1_13=2147483647, var_1_14=-1, var_1_15=-1, var_1_16=1, var_1_1=3607105351, var_1_8=3607105351, var_1_9=3607105350] [L90] RET step() [L91] CALL, EXPR property() [L81-L82] return ((((var_1_9 <= var_1_9) ? (((var_1_11 + var_1_11) >= (var_1_14 + var_1_14)) ? (var_1_1 == ((double) var_1_8)) : 1) : (var_1_1 == ((double) var_1_8))) && (var_1_9 == ((float) ((((var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))) < 0 ) ? -(var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))) : (var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f))))))))) && (var_1_12 ? (var_1_11 == ((unsigned long int) ((((var_1_14) < (var_1_14)) ? (var_1_14) : (var_1_14))))) : (var_1_11 == ((unsigned long int) ((((var_1_14) > ((var_1_13 - (var_1_14 + 32u)))) ? (var_1_14) : ((var_1_13 - (var_1_14 + 32u))))))))) && ((((((last_1_var_1_9) > (last_1_var_1_9)) ? (last_1_var_1_9) : (last_1_var_1_9))) >= last_1_var_1_1) ? (var_1_12 ? (var_1_14 == ((signed char) (var_1_15 - var_1_16))) : 1) : (var_1_14 == ((signed char) var_1_15))) ; [L91] RET, EXPR property() [L91] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4294967295, var_1_12=0, var_1_13=2147483647, var_1_14=-1, var_1_15=-1, var_1_16=1, var_1_1=3607105351, var_1_8=3607105351, var_1_9=3607105350] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=3607105352, var_1_11=4294967295, var_1_12=0, var_1_13=2147483647, var_1_14=-1, var_1_15=-1, var_1_16=1, var_1_1=3607105351, var_1_8=3607105351, var_1_9=3607105350] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 44 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 180/180 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 02:23:31,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya --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 84580c439ea85a9e7d0de81baf3e48a12bc732c424c1741d74078f19769c6d85 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:23:33,830 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:23:33,895 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 02:23:33,909 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:23:33,910 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:23:33,938 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:23:33,939 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:23:33,939 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:23:33,940 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:23:33,940 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:23:33,941 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:23:33,941 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:23:33,942 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:23:33,943 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:23:33,943 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:23:33,944 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:23:33,945 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:23:33,945 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:23:33,946 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:23:33,946 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:23:33,947 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:23:33,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:23:33,948 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:23:33,948 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 02:23:33,949 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 02:23:33,949 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 02:23:33,950 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:23:33,950 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:23:33,950 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:23:33,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:23:33,951 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:23:33,952 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:23:33,952 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:23:33,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:23:33,953 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:23:33,953 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:23:33,953 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:23:33,953 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 02:23:33,954 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 02:23:33,954 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:23:33,954 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:23:33,954 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:23:33,955 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:23:33,955 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:23:33,955 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 02:23:33,955 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84580c439ea85a9e7d0de81baf3e48a12bc732c424c1741d74078f19769c6d85 [2023-11-29 02:23:34,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:23:34,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:23:34,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:23:34,278 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:23:34,279 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:23:34,280 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-47.i [2023-11-29 02:23:37,133 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:23:37,299 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:23:37,300 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-47.i [2023-11-29 02:23:37,307 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/data/c193ed82c/8a3c08be22424812844085f80337a91d/FLAGebeda6161 [2023-11-29 02:23:37,319 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/data/c193ed82c/8a3c08be22424812844085f80337a91d [2023-11-29 02:23:37,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:23:37,323 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:23:37,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:23:37,325 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:23:37,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:23:37,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:23:37" (1/1) ... [2023-11-29 02:23:37,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@598506c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:37, skipping insertion in model container [2023-11-29 02:23:37,330 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:23:37" (1/1) ... [2023-11-29 02:23:37,353 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:23:37,495 WARN L240 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_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-47.i[915,928] [2023-11-29 02:23:37,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:23:37,551 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:23:37,564 WARN L240 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_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-47.i[915,928] [2023-11-29 02:23:37,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:23:37,603 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:23:37,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:37 WrapperNode [2023-11-29 02:23:37,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:23:37,605 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:23:37,605 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:23:37,605 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:23:37,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:37" (1/1) ... [2023-11-29 02:23:37,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:37" (1/1) ... [2023-11-29 02:23:37,653 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 88 [2023-11-29 02:23:37,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:23:37,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:23:37,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:23:37,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:23:37,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:37" (1/1) ... [2023-11-29 02:23:37,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:37" (1/1) ... [2023-11-29 02:23:37,673 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:37" (1/1) ... [2023-11-29 02:23:37,687 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]. [2023-11-29 02:23:37,687 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:37" (1/1) ... [2023-11-29 02:23:37,688 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:37" (1/1) ... [2023-11-29 02:23:37,697 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:37" (1/1) ... [2023-11-29 02:23:37,701 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:37" (1/1) ... [2023-11-29 02:23:37,704 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:37" (1/1) ... [2023-11-29 02:23:37,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:37" (1/1) ... [2023-11-29 02:23:37,710 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:23:37,711 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:23:37,711 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:23:37,711 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:23:37,712 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:37" (1/1) ... [2023-11-29 02:23:37,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:23:37,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:23:37,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:23:37,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:23:37,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:23:37,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 02:23:37,777 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 02:23:37,778 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 02:23:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:23:37,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:23:37,863 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:23:37,865 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:23:38,510 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:23:38,557 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:23:38,557 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 02:23:38,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:23:38 BoogieIcfgContainer [2023-11-29 02:23:38,558 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:23:38,561 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:23:38,561 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:23:38,565 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:23:38,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:23:37" (1/3) ... [2023-11-29 02:23:38,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c708e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:23:38, skipping insertion in model container [2023-11-29 02:23:38,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:23:37" (2/3) ... [2023-11-29 02:23:38,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c708e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:23:38, skipping insertion in model container [2023-11-29 02:23:38,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:23:38" (3/3) ... [2023-11-29 02:23:38,568 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-47.i [2023-11-29 02:23:38,587 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:23:38,587 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:23:38,633 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:23:38,639 INFO L357 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, mHoare=true, 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;@26053199, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:23:38,639 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:23:38,643 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 23 states have internal predecessors, (32), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-29 02:23:38,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-29 02:23:38,651 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:23:38,652 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:23:38,653 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:23:38,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:23:38,658 INFO L85 PathProgramCache]: Analyzing trace with hash -2066073024, now seen corresponding path program 1 times [2023-11-29 02:23:38,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:23:38,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1443053637] [2023-11-29 02:23:38,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:23:38,670 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 [2023-11-29 02:23:38,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:23:38,672 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 02:23:38,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:23:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:23:38,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 02:23:38,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:23:38,921 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-29 02:23:38,922 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:23:38,922 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:23:38,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1443053637] [2023-11-29 02:23:38,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1443053637] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:23:38,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:23:38,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:23:38,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667721422] [2023-11-29 02:23:38,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:23:38,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:23:38,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:23:38,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:23:38,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:23:38,961 INFO L87 Difference]: Start difference. First operand has 35 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 23 states have internal predecessors, (32), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 02:23:39,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:23:39,266 INFO L93 Difference]: Finished difference Result 67 states and 112 transitions. [2023-11-29 02:23:39,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:23:39,275 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) Word has length 65 [2023-11-29 02:23:39,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:23:39,280 INFO L225 Difference]: With dead ends: 67 [2023-11-29 02:23:39,280 INFO L226 Difference]: Without dead ends: 33 [2023-11-29 02:23:39,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:23:39,286 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:23:39,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 44 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 02:23:39,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-11-29 02:23:39,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2023-11-29 02:23:39,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 21 states have internal predecessors, (27), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-29 02:23:39,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 47 transitions. [2023-11-29 02:23:39,319 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 47 transitions. Word has length 65 [2023-11-29 02:23:39,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:23:39,320 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 47 transitions. [2023-11-29 02:23:39,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 02:23:39,320 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2023-11-29 02:23:39,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-29 02:23:39,323 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:23:39,324 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:23:39,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/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)] Forceful destruction successful, exit code 0 [2023-11-29 02:23:39,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:23:39,529 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:23:39,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:23:39,530 INFO L85 PathProgramCache]: Analyzing trace with hash -62286396, now seen corresponding path program 1 times [2023-11-29 02:23:39,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:23:39,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1804244486] [2023-11-29 02:23:39,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:23:39,531 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 [2023-11-29 02:23:39,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:23:39,532 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 02:23:39,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:23:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:23:39,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 02:23:39,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:23:44,083 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 43 proven. 24 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-11-29 02:23:44,083 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:23:55,889 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-29 02:23:55,889 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:23:55,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1804244486] [2023-11-29 02:23:55,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1804244486] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:23:55,890 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:23:55,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-11-29 02:23:55,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563390580] [2023-11-29 02:23:55,891 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:23:55,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 02:23:55,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:23:55,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 02:23:55,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-29 02:23:55,894 INFO L87 Difference]: Start difference. First operand 33 states and 47 transitions. Second operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 4 states have call successors, (20), 3 states have call predecessors, (20), 5 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2023-11-29 02:24:10,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:24:24,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:24:31,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:24:33,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:24:35,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:24:38,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:24:39,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:24:40,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:24:43,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:24:45,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:24:46,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:24:46,827 INFO L93 Difference]: Finished difference Result 102 states and 140 transitions. [2023-11-29 02:24:46,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 02:24:46,839 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 4 states have call successors, (20), 3 states have call predecessors, (20), 5 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 65 [2023-11-29 02:24:46,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:24:46,841 INFO L225 Difference]: With dead ends: 102 [2023-11-29 02:24:46,841 INFO L226 Difference]: Without dead ends: 70 [2023-11-29 02:24:46,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 27.3s TimeCoverageRelationStatistics Valid=199, Invalid=401, Unknown=0, NotChecked=0, Total=600 [2023-11-29 02:24:46,843 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 87 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:24:46,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 114 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 31.0s Time] [2023-11-29 02:24:46,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-29 02:24:46,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 37. [2023-11-29 02:24:46,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 states have internal predecessors, (29), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-29 02:24:46,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 49 transitions. [2023-11-29 02:24:46,856 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 49 transitions. Word has length 65 [2023-11-29 02:24:46,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:24:46,857 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 49 transitions. [2023-11-29 02:24:46,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 4 states have call successors, (20), 3 states have call predecessors, (20), 5 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2023-11-29 02:24:46,857 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2023-11-29 02:24:46,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-29 02:24:46,858 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:24:46,858 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:24:46,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:24:47,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:24:47,059 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:24:47,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:24:47,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1939978937, now seen corresponding path program 1 times [2023-11-29 02:24:47,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:24:47,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1791264299] [2023-11-29 02:24:47,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:24:47,061 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 [2023-11-29 02:24:47,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:24:47,062 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 02:24:47,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf42c42e-eb16-4324-a760-7bc3e9b4ff7b/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:24:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:24:47,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-29 02:24:47,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:29:24,967 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-29 02:29:24,967 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:36:29,312 WARN L293 SmtUtils]: Spent 47.51s on a formula simplification. DAG size of input: 164 DAG size of output: 164 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)