./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-16.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/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_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/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_eb035739-d815-4de4-825a-52a48cf59f27/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 69702fa1222a5d92fb71202662ac07426b1c2d7eeb06c8f8167ae57234df228c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:31:46,392 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:31:46,471 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 06:31:46,475 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:31:46,476 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:31:46,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:31:46,502 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:31:46,503 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:31:46,503 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:31:46,504 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:31:46,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:31:46,505 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:31:46,506 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:31:46,506 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:31:46,507 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:31:46,507 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:31:46,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:31:46,508 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:31:46,509 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:31:46,509 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:31:46,510 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:31:46,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:31:46,513 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:31:46,514 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:31:46,514 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:31:46,514 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:31:46,515 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:31:46,515 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:31:46,516 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:31:46,516 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:31:46,516 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:31:46,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:31:46,517 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:31:46,517 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:31:46,518 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:31:46,518 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:31:46,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:31:46,518 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:31:46,518 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:31:46,519 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:31:46,519 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:31:46,519 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:31:46,519 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_eb035739-d815-4de4-825a-52a48cf59f27/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69702fa1222a5d92fb71202662ac07426b1c2d7eeb06c8f8167ae57234df228c [2023-11-29 06:31:46,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:31:46,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:31:46,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:31:46,753 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:31:46,753 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:31:46,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-16.i [2023-11-29 06:31:49,452 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:31:49,669 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:31:49,670 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-16.i [2023-11-29 06:31:49,680 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/data/f9a0f4723/f3a532ad6119413ea4a8335caa14184f/FLAG94e5e1d4f [2023-11-29 06:31:49,693 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/data/f9a0f4723/f3a532ad6119413ea4a8335caa14184f [2023-11-29 06:31:49,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:31:49,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:31:49,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:31:49,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:31:49,704 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:31:49,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:31:49" (1/1) ... [2023-11-29 06:31:49,706 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5afecb47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:31:49, skipping insertion in model container [2023-11-29 06:31:49,706 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:31:49" (1/1) ... [2023-11-29 06:31:49,740 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:31:49,885 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_eb035739-d815-4de4-825a-52a48cf59f27/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-16.i[915,928] [2023-11-29 06:31:49,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:31:49,948 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:31:49,960 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_eb035739-d815-4de4-825a-52a48cf59f27/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-16.i[915,928] [2023-11-29 06:31:49,986 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:31:50,003 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:31:50,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:31:50 WrapperNode [2023-11-29 06:31:50,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:31:50,005 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:31:50,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:31:50,005 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:31:50,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:31:50" (1/1) ... [2023-11-29 06:31:50,023 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:31:50" (1/1) ... [2023-11-29 06:31:50,052 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 183 [2023-11-29 06:31:50,052 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:31:50,053 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:31:50,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:31:50,054 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:31:50,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:31:50" (1/1) ... [2023-11-29 06:31:50,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:31:50" (1/1) ... [2023-11-29 06:31:50,067 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:31:50" (1/1) ... [2023-11-29 06:31:50,083 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 06:31:50,083 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:31:50" (1/1) ... [2023-11-29 06:31:50,083 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:31:50" (1/1) ... [2023-11-29 06:31:50,091 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:31:50" (1/1) ... [2023-11-29 06:31:50,095 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:31:50" (1/1) ... [2023-11-29 06:31:50,097 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:31:50" (1/1) ... [2023-11-29 06:31:50,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:31:50" (1/1) ... [2023-11-29 06:31:50,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:31:50,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:31:50,104 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:31:50,104 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:31:50,105 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:31:50" (1/1) ... [2023-11-29 06:31:50,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:31:50,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:31:50,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:31:50,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:31:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:31:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 06:31:50,161 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 06:31:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:31:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:31:50,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:31:50,239 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:31:50,241 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:31:50,549 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:31:50,583 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:31:50,583 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:31:50,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:31:50 BoogieIcfgContainer [2023-11-29 06:31:50,584 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:31:50,587 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:31:50,587 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:31:50,590 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:31:50,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:31:49" (1/3) ... [2023-11-29 06:31:50,591 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6188159a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:31:50, skipping insertion in model container [2023-11-29 06:31:50,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:31:50" (2/3) ... [2023-11-29 06:31:50,592 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6188159a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:31:50, skipping insertion in model container [2023-11-29 06:31:50,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:31:50" (3/3) ... [2023-11-29 06:31:50,593 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-16.i [2023-11-29 06:31:50,607 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:31:50,608 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:31:50,650 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:31:50,656 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;@1e16a2e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:31:50,656 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:31:50,660 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 45 states have (on average 1.4666666666666666) internal successors, (66), 46 states have internal predecessors, (66), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-29 06:31:50,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-29 06:31:50,676 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:31:50,676 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:31:50,677 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:31:50,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:31:50,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1495679139, now seen corresponding path program 1 times [2023-11-29 06:31:50,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:31:50,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329721943] [2023-11-29 06:31:50,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:31:50,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:31:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:31:50,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:31:50,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329721943] [2023-11-29 06:31:50,886 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 06:31:50,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639634499] [2023-11-29 06:31:50,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:31:50,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:31:50,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:31:50,892 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:31:50,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 06:31:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:31:51,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 06:31:51,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:31:51,097 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2023-11-29 06:31:51,097 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:31:51,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639634499] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:31:51,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:31:51,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:31:51,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563307590] [2023-11-29 06:31:51,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:31:51,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:31:51,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:31:51,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:31:51,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:31:51,133 INFO L87 Difference]: Start difference. First operand has 70 states, 45 states have (on average 1.4666666666666666) internal successors, (66), 46 states have internal predecessors, (66), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 06:31:51,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:31:51,168 INFO L93 Difference]: Finished difference Result 137 states and 240 transitions. [2023-11-29 06:31:51,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:31:51,170 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 143 [2023-11-29 06:31:51,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:31:51,177 INFO L225 Difference]: With dead ends: 137 [2023-11-29 06:31:51,177 INFO L226 Difference]: Without dead ends: 68 [2023-11-29 06:31:51,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 142 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 06:31:51,183 INFO L413 NwaCegarLoop]: 102 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, 102 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 06:31:51,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:31:51,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-29 06:31:51,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-29 06:31:51,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 44 states have (on average 1.3863636363636365) internal successors, (61), 44 states have internal predecessors, (61), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-29 06:31:51,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 105 transitions. [2023-11-29 06:31:51,225 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 105 transitions. Word has length 143 [2023-11-29 06:31:51,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:31:51,225 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 105 transitions. [2023-11-29 06:31:51,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 06:31:51,226 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 105 transitions. [2023-11-29 06:31:51,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-29 06:31:51,230 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:31:51,230 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:31:51,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 06:31:51,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 06:31:51,431 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:31:51,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:31:51,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1484111781, now seen corresponding path program 1 times [2023-11-29 06:31:51,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:31:51,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952172355] [2023-11-29 06:31:51,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:31:51,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:31:51,533 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:31:51,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [765670889] [2023-11-29 06:31:51,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:31:51,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:31:51,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:31:51,535 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:31:51,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 06:31:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:31:51,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 06:31:51,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:31:51,758 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-29 06:31:51,759 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:31:51,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:31:51,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952172355] [2023-11-29 06:31:51,759 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:31:51,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765670889] [2023-11-29 06:31:51,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765670889] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:31:51,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:31:51,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:31:51,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009064358] [2023-11-29 06:31:51,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:31:51,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:31:51,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:31:51,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:31:51,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:31:51,763 INFO L87 Difference]: Start difference. First operand 68 states and 105 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 06:31:51,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:31:51,949 INFO L93 Difference]: Finished difference Result 231 states and 347 transitions. [2023-11-29 06:31:51,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:31:51,949 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2023-11-29 06:31:51,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:31:51,954 INFO L225 Difference]: With dead ends: 231 [2023-11-29 06:31:51,954 INFO L226 Difference]: Without dead ends: 164 [2023-11-29 06:31:51,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:31:51,957 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 165 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:31:51,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 381 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:31:51,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-11-29 06:31:51,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 116. [2023-11-29 06:31:51,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 89 states have (on average 1.4606741573033708) internal successors, (130), 90 states have internal predecessors, (130), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 06:31:51,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 178 transitions. [2023-11-29 06:31:51,981 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 178 transitions. Word has length 143 [2023-11-29 06:31:51,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:31:51,982 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 178 transitions. [2023-11-29 06:31:51,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 06:31:51,983 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 178 transitions. [2023-11-29 06:31:51,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-29 06:31:51,986 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:31:51,986 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:31:51,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 06:31:52,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:31:52,189 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:31:52,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:31:52,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1789787161, now seen corresponding path program 1 times [2023-11-29 06:31:52,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:31:52,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656171959] [2023-11-29 06:31:52,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:31:52,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:31:52,236 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:31:52,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [471824264] [2023-11-29 06:31:52,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:31:52,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:31:52,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:31:52,238 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:31:52,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 06:31:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:31:52,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 06:31:52,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:31:52,429 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-29 06:31:52,429 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:31:52,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:31:52,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656171959] [2023-11-29 06:31:52,430 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:31:52,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471824264] [2023-11-29 06:31:52,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471824264] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:31:52,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:31:52,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:31:52,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560307492] [2023-11-29 06:31:52,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:31:52,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:31:52,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:31:52,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:31:52,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:31:52,433 INFO L87 Difference]: Start difference. First operand 116 states and 178 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 06:31:52,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:31:52,652 INFO L93 Difference]: Finished difference Result 301 states and 449 transitions. [2023-11-29 06:31:52,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 06:31:52,652 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2023-11-29 06:31:52,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:31:52,655 INFO L225 Difference]: With dead ends: 301 [2023-11-29 06:31:52,655 INFO L226 Difference]: Without dead ends: 186 [2023-11-29 06:31:52,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:31:52,658 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 209 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:31:52,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 516 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:31:52,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-11-29 06:31:52,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 165. [2023-11-29 06:31:52,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 132 states have (on average 1.4621212121212122) internal successors, (193), 134 states have internal predecessors, (193), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-29 06:31:52,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 249 transitions. [2023-11-29 06:31:52,680 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 249 transitions. Word has length 143 [2023-11-29 06:31:52,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:31:52,681 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 249 transitions. [2023-11-29 06:31:52,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 06:31:52,681 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 249 transitions. [2023-11-29 06:31:52,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-29 06:31:52,684 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:31:52,685 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:31:52,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 06:31:52,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:31:52,893 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:31:52,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:31:52,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1804115557, now seen corresponding path program 1 times [2023-11-29 06:31:52,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:31:52,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191288680] [2023-11-29 06:31:52,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:31:52,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:31:52,932 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:31:52,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [967206043] [2023-11-29 06:31:52,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:31:52,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:31:52,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:31:52,934 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:31:52,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 06:31:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:31:53,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 06:31:53,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:31:53,379 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-29 06:31:53,379 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:31:53,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:31:53,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191288680] [2023-11-29 06:31:53,379 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:31:53,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967206043] [2023-11-29 06:31:53,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967206043] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:31:53,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:31:53,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 06:31:53,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875555604] [2023-11-29 06:31:53,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:31:53,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:31:53,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:31:53,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:31:53,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:31:53,382 INFO L87 Difference]: Start difference. First operand 165 states and 249 transitions. Second operand has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 06:31:53,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:31:53,718 INFO L93 Difference]: Finished difference Result 474 states and 717 transitions. [2023-11-29 06:31:53,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 06:31:53,718 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2023-11-29 06:31:53,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:31:53,723 INFO L225 Difference]: With dead ends: 474 [2023-11-29 06:31:53,723 INFO L226 Difference]: Without dead ends: 310 [2023-11-29 06:31:53,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2023-11-29 06:31:53,725 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 187 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:31:53,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 501 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:31:53,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2023-11-29 06:31:53,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 223. [2023-11-29 06:31:53,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 190 states have (on average 1.5052631578947369) internal successors, (286), 192 states have internal predecessors, (286), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-29 06:31:53,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 342 transitions. [2023-11-29 06:31:53,748 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 342 transitions. Word has length 143 [2023-11-29 06:31:53,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:31:53,749 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 342 transitions. [2023-11-29 06:31:53,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 06:31:53,749 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 342 transitions. [2023-11-29 06:31:53,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-29 06:31:53,752 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:31:53,752 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:31:53,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 06:31:53,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:31:53,957 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:31:53,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:31:53,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1222507613, now seen corresponding path program 1 times [2023-11-29 06:31:53,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:31:53,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640588090] [2023-11-29 06:31:53,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:31:53,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:31:53,990 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:31:53,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1250418572] [2023-11-29 06:31:53,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:31:53,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:31:53,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:31:53,991 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:31:54,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 06:31:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:31:54,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-29 06:31:54,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:31:56,062 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 427 proven. 87 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2023-11-29 06:31:56,062 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:31:57,973 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 21 proven. 42 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-29 06:31:57,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:31:57,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640588090] [2023-11-29 06:31:57,973 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:31:57,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250418572] [2023-11-29 06:31:57,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1250418572] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:31:57,974 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:31:57,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 27 [2023-11-29 06:31:57,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524661688] [2023-11-29 06:31:57,974 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:31:57,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-29 06:31:57,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:31:57,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-29 06:31:57,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=532, Unknown=0, NotChecked=0, Total=702 [2023-11-29 06:31:57,977 INFO L87 Difference]: Start difference. First operand 223 states and 342 transitions. Second operand has 27 states, 27 states have (on average 3.074074074074074) internal successors, (83), 27 states have internal predecessors, (83), 6 states have call successors, (44), 4 states have call predecessors, (44), 7 states have return successors, (44), 6 states have call predecessors, (44), 6 states have call successors, (44) [2023-11-29 06:32:05,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:32:05,551 INFO L93 Difference]: Finished difference Result 1589 states and 2348 transitions. [2023-11-29 06:32:05,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2023-11-29 06:32:05,552 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 3.074074074074074) internal successors, (83), 27 states have internal predecessors, (83), 6 states have call successors, (44), 4 states have call predecessors, (44), 7 states have return successors, (44), 6 states have call predecessors, (44), 6 states have call successors, (44) Word has length 143 [2023-11-29 06:32:05,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:32:05,562 INFO L225 Difference]: With dead ends: 1589 [2023-11-29 06:32:05,562 INFO L226 Difference]: Without dead ends: 1367 [2023-11-29 06:32:05,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7296 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=3942, Invalid=14418, Unknown=0, NotChecked=0, Total=18360 [2023-11-29 06:32:05,571 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 2018 mSDsluCounter, 1024 mSDsCounter, 0 mSdLazyCounter, 2321 mSolverCounterSat, 374 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2036 SdHoareTripleChecker+Valid, 1125 SdHoareTripleChecker+Invalid, 2695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 374 IncrementalHoareTripleChecker+Valid, 2321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:32:05,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2036 Valid, 1125 Invalid, 2695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [374 Valid, 2321 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-29 06:32:05,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1367 states. [2023-11-29 06:32:05,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1367 to 610. [2023-11-29 06:32:05,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 610 states, 515 states have (on average 1.5106796116504855) internal successors, (778), 521 states have internal predecessors, (778), 82 states have call successors, (82), 12 states have call predecessors, (82), 12 states have return successors, (82), 76 states have call predecessors, (82), 82 states have call successors, (82) [2023-11-29 06:32:05,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 942 transitions. [2023-11-29 06:32:05,644 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 942 transitions. Word has length 143 [2023-11-29 06:32:05,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:32:05,644 INFO L495 AbstractCegarLoop]: Abstraction has 610 states and 942 transitions. [2023-11-29 06:32:05,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.074074074074074) internal successors, (83), 27 states have internal predecessors, (83), 6 states have call successors, (44), 4 states have call predecessors, (44), 7 states have return successors, (44), 6 states have call predecessors, (44), 6 states have call successors, (44) [2023-11-29 06:32:05,645 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 942 transitions. [2023-11-29 06:32:05,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-29 06:32:05,647 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:32:05,647 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:32:05,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 06:32:05,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:32:05,848 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:32:05,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:32:05,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1923572191, now seen corresponding path program 1 times [2023-11-29 06:32:05,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:32:05,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013757755] [2023-11-29 06:32:05,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:32:05,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:32:05,873 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:32:05,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [210853543] [2023-11-29 06:32:05,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:32:05,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:32:05,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:32:05,875 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:32:05,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 06:32:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:32:05,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 06:32:05,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:32:06,236 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-29 06:32:06,236 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:32:06,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:32:06,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013757755] [2023-11-29 06:32:06,236 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:32:06,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210853543] [2023-11-29 06:32:06,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210853543] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:32:06,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:32:06,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 06:32:06,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888537718] [2023-11-29 06:32:06,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:32:06,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:32:06,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:32:06,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:32:06,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:32:06,239 INFO L87 Difference]: Start difference. First operand 610 states and 942 transitions. Second operand has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 06:32:06,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:32:06,633 INFO L93 Difference]: Finished difference Result 1540 states and 2358 transitions. [2023-11-29 06:32:06,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 06:32:06,633 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2023-11-29 06:32:06,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:32:06,640 INFO L225 Difference]: With dead ends: 1540 [2023-11-29 06:32:06,640 INFO L226 Difference]: Without dead ends: 931 [2023-11-29 06:32:06,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2023-11-29 06:32:06,643 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 159 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:32:06,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 438 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:32:06,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2023-11-29 06:32:06,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 641. [2023-11-29 06:32:06,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 546 states have (on average 1.5073260073260073) internal successors, (823), 552 states have internal predecessors, (823), 82 states have call successors, (82), 12 states have call predecessors, (82), 12 states have return successors, (82), 76 states have call predecessors, (82), 82 states have call successors, (82) [2023-11-29 06:32:06,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 987 transitions. [2023-11-29 06:32:06,701 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 987 transitions. Word has length 143 [2023-11-29 06:32:06,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:32:06,702 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 987 transitions. [2023-11-29 06:32:06,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 06:32:06,702 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 987 transitions. [2023-11-29 06:32:06,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-29 06:32:06,705 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:32:06,705 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:32:06,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 06:32:06,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:32:06,905 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:32:06,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:32:06,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1976446621, now seen corresponding path program 1 times [2023-11-29 06:32:06,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:32:06,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109179933] [2023-11-29 06:32:06,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:32:06,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:32:06,930 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:32:06,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [91242331] [2023-11-29 06:32:06,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:32:06,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:32:06,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:32:06,931 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:32:06,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 06:32:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:32:07,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 06:32:07,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:32:07,941 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-29 06:32:07,942 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:32:07,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:32:07,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109179933] [2023-11-29 06:32:07,942 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:32:07,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91242331] [2023-11-29 06:32:07,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [91242331] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:32:07,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:32:07,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:32:07,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551577247] [2023-11-29 06:32:07,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:32:07,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:32:07,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:32:07,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:32:07,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:32:07,944 INFO L87 Difference]: Start difference. First operand 641 states and 987 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 06:32:08,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:32:08,212 INFO L93 Difference]: Finished difference Result 1562 states and 2386 transitions. [2023-11-29 06:32:08,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 06:32:08,212 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2023-11-29 06:32:08,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:32:08,218 INFO L225 Difference]: With dead ends: 1562 [2023-11-29 06:32:08,219 INFO L226 Difference]: Without dead ends: 922 [2023-11-29 06:32:08,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2023-11-29 06:32:08,221 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 168 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:32:08,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 459 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:32:08,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2023-11-29 06:32:08,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 621. [2023-11-29 06:32:08,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 621 states, 526 states have (on average 1.5038022813688212) internal successors, (791), 532 states have internal predecessors, (791), 82 states have call successors, (82), 12 states have call predecessors, (82), 12 states have return successors, (82), 76 states have call predecessors, (82), 82 states have call successors, (82) [2023-11-29 06:32:08,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 955 transitions. [2023-11-29 06:32:08,275 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 955 transitions. Word has length 143 [2023-11-29 06:32:08,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:32:08,276 INFO L495 AbstractCegarLoop]: Abstraction has 621 states and 955 transitions. [2023-11-29 06:32:08,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 06:32:08,276 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 955 transitions. [2023-11-29 06:32:08,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-29 06:32:08,278 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:32:08,278 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:32:08,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 06:32:08,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:32:08,479 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:32:08,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:32:08,480 INFO L85 PathProgramCache]: Analyzing trace with hash 2086126390, now seen corresponding path program 1 times [2023-11-29 06:32:08,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:32:08,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490002485] [2023-11-29 06:32:08,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:32:08,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:32:08,506 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:32:08,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1011979174] [2023-11-29 06:32:08,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:32:08,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:32:08,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:32:08,507 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:32:08,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 06:32:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:32:08,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 06:32:08,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:32:08,832 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-29 06:32:08,832 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:32:08,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:32:08,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490002485] [2023-11-29 06:32:08,833 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:32:08,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011979174] [2023-11-29 06:32:08,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011979174] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:32:08,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:32:08,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:32:08,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101966480] [2023-11-29 06:32:08,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:32:08,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:32:08,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:32:08,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:32:08,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:32:08,834 INFO L87 Difference]: Start difference. First operand 621 states and 955 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 06:32:08,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:32:08,999 INFO L93 Difference]: Finished difference Result 1786 states and 2713 transitions. [2023-11-29 06:32:09,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:32:09,000 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 144 [2023-11-29 06:32:09,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:32:09,008 INFO L225 Difference]: With dead ends: 1786 [2023-11-29 06:32:09,008 INFO L226 Difference]: Without dead ends: 1166 [2023-11-29 06:32:09,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:32:09,011 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 123 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:32:09,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 431 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:32:09,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1166 states. [2023-11-29 06:32:09,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1166 to 1007. [2023-11-29 06:32:09,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1007 states, 824 states have (on average 1.4660194174757282) internal successors, (1208), 833 states have internal predecessors, (1208), 158 states have call successors, (158), 24 states have call predecessors, (158), 24 states have return successors, (158), 149 states have call predecessors, (158), 158 states have call successors, (158) [2023-11-29 06:32:09,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 1007 states and 1524 transitions. [2023-11-29 06:32:09,108 INFO L78 Accepts]: Start accepts. Automaton has 1007 states and 1524 transitions. Word has length 144 [2023-11-29 06:32:09,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:32:09,109 INFO L495 AbstractCegarLoop]: Abstraction has 1007 states and 1524 transitions. [2023-11-29 06:32:09,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 06:32:09,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1524 transitions. [2023-11-29 06:32:09,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 06:32:09,111 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:32:09,112 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:32:09,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 06:32:09,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-29 06:32:09,318 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:32:09,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:32:09,318 INFO L85 PathProgramCache]: Analyzing trace with hash 927616480, now seen corresponding path program 1 times [2023-11-29 06:32:09,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:32:09,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897668933] [2023-11-29 06:32:09,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:32:09,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:32:09,342 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:32:09,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1269464880] [2023-11-29 06:32:09,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:32:09,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:32:09,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:32:09,344 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:32:09,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 06:32:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:32:09,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 06:32:09,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:32:09,563 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 301 proven. 51 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2023-11-29 06:32:09,563 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:32:09,721 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 12 proven. 51 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-29 06:32:09,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:32:09,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897668933] [2023-11-29 06:32:09,721 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:32:09,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269464880] [2023-11-29 06:32:09,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269464880] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:32:09,722 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:32:09,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2023-11-29 06:32:09,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653303969] [2023-11-29 06:32:09,722 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:32:09,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 06:32:09,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:32:09,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 06:32:09,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:32:09,724 INFO L87 Difference]: Start difference. First operand 1007 states and 1524 transitions. Second operand has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 2 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-11-29 06:32:10,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:32:10,267 INFO L93 Difference]: Finished difference Result 2491 states and 3684 transitions. [2023-11-29 06:32:10,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 06:32:10,268 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 2 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 145 [2023-11-29 06:32:10,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:32:10,275 INFO L225 Difference]: With dead ends: 2491 [2023-11-29 06:32:10,275 INFO L226 Difference]: Without dead ends: 1488 [2023-11-29 06:32:10,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 281 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=275, Invalid=595, Unknown=0, NotChecked=0, Total=870 [2023-11-29 06:32:10,278 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 298 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:32:10,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 433 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 06:32:10,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1488 states. [2023-11-29 06:32:10,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1488 to 1141. [2023-11-29 06:32:10,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 966 states have (on average 1.4699792960662525) internal successors, (1420), 972 states have internal predecessors, (1420), 148 states have call successors, (148), 26 states have call predecessors, (148), 26 states have return successors, (148), 142 states have call predecessors, (148), 148 states have call successors, (148) [2023-11-29 06:32:10,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 1716 transitions. [2023-11-29 06:32:10,362 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 1716 transitions. Word has length 145 [2023-11-29 06:32:10,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:32:10,363 INFO L495 AbstractCegarLoop]: Abstraction has 1141 states and 1716 transitions. [2023-11-29 06:32:10,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 2 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-11-29 06:32:10,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1716 transitions. [2023-11-29 06:32:10,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 06:32:10,365 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:32:10,365 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:32:10,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 06:32:10,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-29 06:32:10,565 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:32:10,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:32:10,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1819623458, now seen corresponding path program 1 times [2023-11-29 06:32:10,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:32:10,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185889179] [2023-11-29 06:32:10,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:32:10,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:32:10,586 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:32:10,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [784235657] [2023-11-29 06:32:10,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:32:10,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:32:10,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:32:10,588 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:32:10,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 06:32:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:32:10,908 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:32:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:32:11,031 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:32:11,031 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 06:32:11,032 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 06:32:11,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 06:32:11,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 06:32:11,237 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:32:11,240 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:32:11,331 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 06:32:11,334 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-11-29 06:32:11,334 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-11-29 06:32:11,334 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-29 06:32:11,335 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-11-29 06:32:11,335 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-29 06:32:11,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:32:11 BoogieIcfgContainer [2023-11-29 06:32:11,355 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:32:11,355 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:32:11,355 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:32:11,356 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:32:11,356 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:31:50" (3/4) ... [2023-11-29 06:32:11,358 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 06:32:11,359 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:32:11,359 INFO L158 Benchmark]: Toolchain (without parser) took 21662.25ms. Allocated memory was 132.1MB in the beginning and 232.8MB in the end (delta: 100.7MB). Free memory was 102.0MB in the beginning and 133.9MB in the end (delta: -31.9MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. [2023-11-29 06:32:11,360 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 132.1MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:32:11,360 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.81ms. Allocated memory is still 132.1MB. Free memory was 101.7MB in the beginning and 88.2MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 06:32:11,360 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.72ms. Allocated memory is still 132.1MB. Free memory was 88.2MB in the beginning and 85.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:32:11,361 INFO L158 Benchmark]: Boogie Preprocessor took 49.84ms. Allocated memory is still 132.1MB. Free memory was 85.0MB in the beginning and 81.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 06:32:11,361 INFO L158 Benchmark]: RCFGBuilder took 480.51ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 81.7MB in the beginning and 126.3MB in the end (delta: -44.6MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2023-11-29 06:32:11,361 INFO L158 Benchmark]: TraceAbstraction took 20767.92ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 125.6MB in the beginning and 134.9MB in the end (delta: -9.3MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. [2023-11-29 06:32:11,362 INFO L158 Benchmark]: Witness Printer took 3.51ms. Allocated memory is still 232.8MB. Free memory was 134.9MB in the beginning and 133.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:32:11,364 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 132.1MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.81ms. Allocated memory is still 132.1MB. Free memory was 101.7MB in the beginning and 88.2MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.72ms. Allocated memory is still 132.1MB. Free memory was 88.2MB in the beginning and 85.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.84ms. Allocated memory is still 132.1MB. Free memory was 85.0MB in the beginning and 81.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 480.51ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 81.7MB in the beginning and 126.3MB in the end (delta: -44.6MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * TraceAbstraction took 20767.92ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 125.6MB in the beginning and 134.9MB in the end (delta: -9.3MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. * Witness Printer took 3.51ms. Allocated memory is still 232.8MB. Free memory was 134.9MB in the beginning and 133.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 139, overapproximation of someBinaryDOUBLEComparisonOperation at line 139, overapproximation of someUnaryFLOAToperation at line 92, overapproximation of someBinaryArithmeticFLOAToperation at line 92. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -50; [L23] unsigned char var_1_4 = 0; [L24] signed short int var_1_5 = 8; [L25] signed short int var_1_6 = 64; [L26] unsigned short int var_1_7 = 8; [L27] unsigned short int var_1_8 = 256; [L28] signed long int var_1_9 = 2; [L29] signed long int var_1_10 = 1441729073; [L30] unsigned short int var_1_11 = 32; [L31] double var_1_12 = 7.6; [L32] double var_1_13 = 127.8; [L33] signed char var_1_14 = 32; [L34] signed char var_1_15 = 50; [L35] signed char var_1_16 = 0; [L36] signed char var_1_17 = 16; [L37] float var_1_18 = 0.4; [L38] unsigned char var_1_19 = 0; [L39] float var_1_20 = 24.4; [L40] float var_1_21 = 500.5; [L41] float var_1_22 = 99.324; [L42] unsigned short int var_1_23 = 128; [L43] unsigned short int last_1_var_1_7 = 8; [L44] unsigned short int last_1_var_1_11 = 32; [L45] signed char last_1_var_1_14 = 32; [L46] unsigned short int last_1_var_1_23 = 128; [L143] isInitial = 1 [L144] FCALL initially() [L145] COND TRUE 1 [L146] CALL updateLastVariables() [L133] last_1_var_1_7 = var_1_7 [L134] last_1_var_1_11 = var_1_11 [L135] last_1_var_1_14 = var_1_14 [L136] last_1_var_1_23 = var_1_23 [L146] RET updateLastVariables() [L147] CALL updateVariables() [L96] var_1_4 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_5=8, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_5=8, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L97] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_5=8, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L98] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=8, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=8, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L98] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=8, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L99] var_1_5 = __VERIFIER_nondet_short() [L100] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L100] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L101] CALL assume_abort_if_not(var_1_5 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L101] RET assume_abort_if_not(var_1_5 <= 32766) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L102] var_1_6 = __VERIFIER_nondet_short() [L103] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=256, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=256, var_1_9=2] [L103] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=256, var_1_9=2] [L104] CALL assume_abort_if_not(var_1_6 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=256, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=256, var_1_9=2] [L104] RET assume_abort_if_not(var_1_6 <= 32766) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=256, var_1_9=2] [L105] var_1_8 = __VERIFIER_nondet_ushort() [L106] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_9=2] [L106] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_9=2] [L107] CALL assume_abort_if_not(var_1_8 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L107] RET assume_abort_if_not(var_1_8 <= 32767) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L108] var_1_10 = __VERIFIER_nondet_long() [L109] CALL assume_abort_if_not(var_1_10 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L109] RET assume_abort_if_not(var_1_10 >= 1073741823) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L110] CALL assume_abort_if_not(var_1_10 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L110] RET assume_abort_if_not(var_1_10 <= 2147483646) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L111] var_1_13 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L112] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L113] var_1_15 = __VERIFIER_nondet_char() [L114] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L114] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L115] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L115] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L116] var_1_16 = __VERIFIER_nondet_char() [L117] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L117] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L118] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L118] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L119] var_1_17 = __VERIFIER_nondet_char() [L120] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L120] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L121] CALL assume_abort_if_not(var_1_17 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L121] RET assume_abort_if_not(var_1_17 <= 63) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L122] var_1_19 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L123] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L124] CALL assume_abort_if_not(var_1_19 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L124] RET assume_abort_if_not(var_1_19 <= 1) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L125] var_1_20 = __VERIFIER_nondet_float() [L126] CALL assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L126] RET assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L127] var_1_21 = __VERIFIER_nondet_float() [L128] CALL assume_abort_if_not((var_1_21 >= -230584.3009213691390e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 2305843.009213691390e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L128] RET assume_abort_if_not((var_1_21 >= -230584.3009213691390e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 2305843.009213691390e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L129] var_1_22 = __VERIFIER_nondet_float() [L130] CALL assume_abort_if_not((var_1_22 >= -230584.3009213691390e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L130] RET assume_abort_if_not((var_1_22 >= -230584.3009213691390e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L147] RET updateVariables() [L148] CALL step() [L50] signed long int stepLocal_0 = last_1_var_1_11; VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L51] COND FALSE !((last_1_var_1_23 / -50) >= stepLocal_0) [L58] var_1_1 = var_1_5 VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L60] COND FALSE !(var_1_4 && (((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1))) > var_1_5)) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=2] [L63] COND TRUE var_1_6 > 128 [L64] var_1_9 = (var_1_8 - (var_1_10 - var_1_1)) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=-1073740747] [L66] EXPR var_1_5 | var_1_6 VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, var_1_10=1073773514, var_1_11=32, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=-1073740747] [L66] signed long int stepLocal_2 = var_1_5 | var_1_6; [L67] COND FALSE !(((var_1_9 + var_1_23) * var_1_9) < stepLocal_2) [L72] var_1_11 = var_1_8 VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, stepLocal_2=129, var_1_10=1073773514, var_1_11=32767, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=-1073740747] [L74] signed short int stepLocal_1 = var_1_6; VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, stepLocal_1=129, stepLocal_2=129, var_1_10=1073773514, var_1_11=32767, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32767, var_1_9=-1073740747] [L75] COND TRUE last_1_var_1_7 < stepLocal_1 [L76] var_1_7 = (var_1_6 + var_1_8) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, stepLocal_1=129, stepLocal_2=129, var_1_10=1073773514, var_1_11=32767, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=32896, var_1_8=32767, var_1_9=-1073740747] [L78] unsigned short int stepLocal_4 = var_1_8; [L79] signed long int stepLocal_3 = var_1_9; VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, stepLocal_1=129, stepLocal_2=129, stepLocal_3=-1073740747, stepLocal_4=32767, var_1_10=1073773514, var_1_11=32767, var_1_12=38/5, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=32896, var_1_8=32767, var_1_9=-1073740747] [L80] COND FALSE !(stepLocal_3 < (- var_1_10)) [L85] var_1_12 = var_1_13 VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, stepLocal_1=129, stepLocal_2=129, stepLocal_3=-1073740747, stepLocal_4=32767, var_1_10=1073773514, var_1_11=32767, var_1_12=2, var_1_13=2, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=32896, var_1_8=32767, var_1_9=-1073740747] [L87] unsigned short int stepLocal_5 = var_1_8; VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, stepLocal_1=129, stepLocal_2=129, stepLocal_3=-1073740747, stepLocal_4=32767, stepLocal_5=32767, var_1_10=1073773514, var_1_11=32767, var_1_12=2, var_1_13=2, var_1_14=32, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=32896, var_1_8=32767, var_1_9=-1073740747] [L88] COND TRUE last_1_var_1_14 <= stepLocal_5 [L89] var_1_14 = ((((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))) - var_1_17) + -2) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, stepLocal_1=129, stepLocal_2=129, stepLocal_3=-1073740747, stepLocal_4=32767, stepLocal_5=32767, var_1_10=1073773514, var_1_11=32767, var_1_12=2, var_1_13=2, var_1_14=0, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=32896, var_1_8=32767, var_1_9=-1073740747] [L91] COND TRUE var_1_4 || var_1_19 [L92] var_1_18 = ((((var_1_20 + (var_1_21 + var_1_22)) < 0 ) ? -(var_1_20 + (var_1_21 + var_1_22)) : (var_1_20 + (var_1_21 + var_1_22)))) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, stepLocal_1=129, stepLocal_2=129, stepLocal_3=-1073740747, stepLocal_4=32767, stepLocal_5=32767, var_1_10=1073773514, var_1_11=32767, var_1_12=2, var_1_13=2, var_1_14=0, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=3, var_1_19=1, var_1_1=0, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=32896, var_1_8=32767, var_1_9=-1073740747] [L148] RET step() [L149] CALL, EXPR property() [L139] EXPR (((((last_1_var_1_23 / -50) >= last_1_var_1_11) ? (var_1_4 ? (var_1_1 == ((signed short int) (var_1_5 - var_1_6))) : (var_1_1 == ((signed short int) var_1_5))) : (var_1_1 == ((signed short int) var_1_5))) && ((last_1_var_1_7 < var_1_6) ? (var_1_7 == ((unsigned short int) (var_1_6 + var_1_8))) : 1)) && ((var_1_6 > 128) ? (var_1_9 == ((signed long int) (var_1_8 - (var_1_10 - var_1_1)))) : 1)) && ((((var_1_9 + var_1_23) * var_1_9) < (var_1_5 | var_1_6)) ? (var_1_4 ? (var_1_11 == ((unsigned short int) var_1_8)) : 1) : (var_1_11 == ((unsigned short int) var_1_8))) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32767, var_1_12=2, var_1_13=2, var_1_14=0, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=3, var_1_19=1, var_1_1=0, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=32896, var_1_8=32767, var_1_9=-1073740747] [L139] EXPR var_1_5 | var_1_6 VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32767, var_1_12=2, var_1_13=2, var_1_14=0, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=3, var_1_19=1, var_1_1=0, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=32896, var_1_8=32767, var_1_9=-1073740747] [L139] EXPR (((((last_1_var_1_23 / -50) >= last_1_var_1_11) ? (var_1_4 ? (var_1_1 == ((signed short int) (var_1_5 - var_1_6))) : (var_1_1 == ((signed short int) var_1_5))) : (var_1_1 == ((signed short int) var_1_5))) && ((last_1_var_1_7 < var_1_6) ? (var_1_7 == ((unsigned short int) (var_1_6 + var_1_8))) : 1)) && ((var_1_6 > 128) ? (var_1_9 == ((signed long int) (var_1_8 - (var_1_10 - var_1_1)))) : 1)) && ((((var_1_9 + var_1_23) * var_1_9) < (var_1_5 | var_1_6)) ? (var_1_4 ? (var_1_11 == ((unsigned short int) var_1_8)) : 1) : (var_1_11 == ((unsigned short int) var_1_8))) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32767, var_1_12=2, var_1_13=2, var_1_14=0, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=3, var_1_19=1, var_1_1=0, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=32896, var_1_8=32767, var_1_9=-1073740747] [L139-L140] return (((((((((last_1_var_1_23 / -50) >= last_1_var_1_11) ? (var_1_4 ? (var_1_1 == ((signed short int) (var_1_5 - var_1_6))) : (var_1_1 == ((signed short int) var_1_5))) : (var_1_1 == ((signed short int) var_1_5))) && ((last_1_var_1_7 < var_1_6) ? (var_1_7 == ((unsigned short int) (var_1_6 + var_1_8))) : 1)) && ((var_1_6 > 128) ? (var_1_9 == ((signed long int) (var_1_8 - (var_1_10 - var_1_1)))) : 1)) && ((((var_1_9 + var_1_23) * var_1_9) < (var_1_5 | var_1_6)) ? (var_1_4 ? (var_1_11 == ((unsigned short int) var_1_8)) : 1) : (var_1_11 == ((unsigned short int) var_1_8)))) && ((var_1_9 < (- var_1_10)) ? ((var_1_8 <= var_1_9) ? (var_1_12 == ((double) (var_1_13 - 63.75))) : 1) : (var_1_12 == ((double) var_1_13)))) && ((last_1_var_1_14 <= var_1_8) ? (var_1_14 == ((signed char) ((((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))) - var_1_17) + -2))) : 1)) && ((var_1_4 || var_1_19) ? (var_1_18 == ((float) ((((var_1_20 + (var_1_21 + var_1_22)) < 0 ) ? -(var_1_20 + (var_1_21 + var_1_22)) : (var_1_20 + (var_1_21 + var_1_22)))))) : 1)) && ((var_1_4 && (((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1))) > var_1_5)) ? (var_1_23 == ((unsigned short int) var_1_6)) : 1) ; [L149] RET, EXPR property() [L149] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32767, var_1_12=2, var_1_13=2, var_1_14=0, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=3, var_1_19=1, var_1_1=0, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=32896, var_1_8=32767, var_1_9=-1073740747] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1073773514, var_1_11=32767, var_1_12=2, var_1_13=2, var_1_14=0, var_1_15=2, var_1_16=2, var_1_17=0, var_1_18=3, var_1_19=1, var_1_1=0, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=32896, var_1_8=32767, var_1_9=-1073740747] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.6s, OverallIterations: 10, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3351 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3327 mSDsluCounter, 4386 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3412 mSDsCounter, 506 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3688 IncrementalHoareTripleChecker+Invalid, 4194 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 506 mSolverCounterUnsat, 974 mSDtfsCounter, 3688 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1744 GetRequests, 1524 SyntacticMatches, 1 SemanticMatches, 219 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7512 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1141occurred in iteration=9, InterpolantAutomatonStates: 205, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 2010 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 1578 NumberOfCodeBlocks, 1578 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1567 ConstructedInterpolants, 0 QuantifiedInterpolants, 6505 SizeOfPredicates, 67 NumberOfNonLiveVariables, 3148 ConjunctsInSsa, 85 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 9933/10164 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 06:32:11,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/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_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/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_eb035739-d815-4de4-825a-52a48cf59f27/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 69702fa1222a5d92fb71202662ac07426b1c2d7eeb06c8f8167ae57234df228c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:32:13,264 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:32:13,330 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 06:32:13,345 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:32:13,346 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:32:13,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:32:13,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:32:13,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:32:13,375 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:32:13,375 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:32:13,376 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:32:13,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:32:13,377 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:32:13,378 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:32:13,378 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:32:13,379 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:32:13,379 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:32:13,380 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:32:13,381 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:32:13,381 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:32:13,382 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:32:13,382 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:32:13,383 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:32:13,383 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 06:32:13,383 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 06:32:13,384 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 06:32:13,384 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:32:13,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:32:13,385 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:32:13,385 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:32:13,386 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:32:13,386 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:32:13,386 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:32:13,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:32:13,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:32:13,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:32:13,387 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:32:13,388 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 06:32:13,388 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 06:32:13,388 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:32:13,388 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:32:13,389 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:32:13,389 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:32:13,389 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:32:13,389 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 06:32:13,389 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_eb035739-d815-4de4-825a-52a48cf59f27/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69702fa1222a5d92fb71202662ac07426b1c2d7eeb06c8f8167ae57234df228c [2023-11-29 06:32:13,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:32:13,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:32:13,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:32:13,687 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:32:13,688 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:32:13,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-16.i [2023-11-29 06:32:16,481 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:32:16,700 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:32:16,701 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-16.i [2023-11-29 06:32:16,710 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/data/590738319/e73f044bff684f80ad97b92c2975a790/FLAGc9feb23af [2023-11-29 06:32:16,722 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/data/590738319/e73f044bff684f80ad97b92c2975a790 [2023-11-29 06:32:16,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:32:16,725 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:32:16,726 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:32:16,727 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:32:16,731 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:32:16,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:32:16" (1/1) ... [2023-11-29 06:32:16,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7035d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:16, skipping insertion in model container [2023-11-29 06:32:16,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:32:16" (1/1) ... [2023-11-29 06:32:16,766 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:32:16,913 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_eb035739-d815-4de4-825a-52a48cf59f27/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-16.i[915,928] [2023-11-29 06:32:16,965 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:32:16,981 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:32:16,993 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_eb035739-d815-4de4-825a-52a48cf59f27/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-16.i[915,928] [2023-11-29 06:32:17,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:32:17,038 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:32:17,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:17 WrapperNode [2023-11-29 06:32:17,039 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:32:17,040 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:32:17,040 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:32:17,041 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:32:17,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:17" (1/1) ... [2023-11-29 06:32:17,061 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:17" (1/1) ... [2023-11-29 06:32:17,087 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 153 [2023-11-29 06:32:17,088 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:32:17,088 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:32:17,089 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:32:17,089 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:32:17,099 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:17" (1/1) ... [2023-11-29 06:32:17,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:17" (1/1) ... [2023-11-29 06:32:17,104 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:17" (1/1) ... [2023-11-29 06:32:17,118 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 06:32:17,118 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:17" (1/1) ... [2023-11-29 06:32:17,118 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:17" (1/1) ... [2023-11-29 06:32:17,128 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:17" (1/1) ... [2023-11-29 06:32:17,132 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:17" (1/1) ... [2023-11-29 06:32:17,134 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:17" (1/1) ... [2023-11-29 06:32:17,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:17" (1/1) ... [2023-11-29 06:32:17,141 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:32:17,142 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:32:17,142 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:32:17,142 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:32:17,143 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:17" (1/1) ... [2023-11-29 06:32:17,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:32:17,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:32:17,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:32:17,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:32:17,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:32:17,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 06:32:17,215 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 06:32:17,215 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 06:32:17,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:32:17,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:32:17,320 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:32:17,322 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:32:18,545 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:32:18,587 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:32:18,587 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:32:18,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:32:18 BoogieIcfgContainer [2023-11-29 06:32:18,588 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:32:18,591 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:32:18,591 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:32:18,595 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:32:18,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:32:16" (1/3) ... [2023-11-29 06:32:18,596 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c986d76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:32:18, skipping insertion in model container [2023-11-29 06:32:18,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:17" (2/3) ... [2023-11-29 06:32:18,596 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c986d76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:32:18, skipping insertion in model container [2023-11-29 06:32:18,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:32:18" (3/3) ... [2023-11-29 06:32:18,598 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-16.i [2023-11-29 06:32:18,617 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:32:18,618 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:32:18,668 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:32:18,675 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;@b82519b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:32:18,675 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:32:18,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-29 06:32:18,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-29 06:32:18,696 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:32:18,696 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:32:18,697 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:32:18,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:32:18,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1412911437, now seen corresponding path program 1 times [2023-11-29 06:32:18,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:32:18,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [238646201] [2023-11-29 06:32:18,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:32:18,718 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 06:32:18,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:32:18,720 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/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 06:32:18,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/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 06:32:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:32:19,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 06:32:19,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:32:19,175 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 482 proven. 0 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2023-11-29 06:32:19,176 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:32:19,176 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:32:19,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [238646201] [2023-11-29 06:32:19,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [238646201] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:32:19,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:32:19,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:32:19,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526626192] [2023-11-29 06:32:19,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:32:19,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:32:19,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:32:19,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:32:19,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:32:19,218 INFO L87 Difference]: Start difference. First operand has 63 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 06:32:20,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:32:20,134 INFO L93 Difference]: Finished difference Result 123 states and 216 transitions. [2023-11-29 06:32:20,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:32:20,152 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 140 [2023-11-29 06:32:20,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:32:20,157 INFO L225 Difference]: With dead ends: 123 [2023-11-29 06:32:20,157 INFO L226 Difference]: Without dead ends: 61 [2023-11-29 06:32:20,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 139 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 06:32:20,163 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 06:32:20,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 06:32:20,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-29 06:32:20,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-11-29 06:32:20,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-29 06:32:20,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 93 transitions. [2023-11-29 06:32:20,197 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 93 transitions. Word has length 140 [2023-11-29 06:32:20,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:32:20,198 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 93 transitions. [2023-11-29 06:32:20,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 06:32:20,198 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 93 transitions. [2023-11-29 06:32:20,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-29 06:32:20,201 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:32:20,201 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:32:20,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/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 06:32:20,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/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 06:32:20,402 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:32:20,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:32:20,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1395422725, now seen corresponding path program 1 times [2023-11-29 06:32:20,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:32:20,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [411140349] [2023-11-29 06:32:20,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:32:20,404 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 06:32:20,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:32:20,405 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/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 06:32:20,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb035739-d815-4de4-825a-52a48cf59f27/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 06:32:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:32:20,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-29 06:32:20,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:33:03,158 WARN L293 SmtUtils]: Spent 8.52s on a formula simplification that was a NOOP. DAG size: 107 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)