./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-92.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/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_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-92.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/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_612a0e62-d56c-495a-a34f-9cbef682bd90/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 5bbfbfacfaeeb38833fecae3ab1079c0b6d242b19f1031d4c18e2a589000300f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:20:48,642 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:20:48,706 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 03:20:48,711 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:20:48,711 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:20:48,735 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:20:48,736 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:20:48,737 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:20:48,737 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:20:48,738 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:20:48,738 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:20:48,739 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:20:48,740 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:20:48,740 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:20:48,741 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:20:48,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:20:48,742 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:20:48,742 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:20:48,743 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:20:48,743 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:20:48,744 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:20:48,744 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:20:48,745 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:20:48,745 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:20:48,746 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:20:48,746 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:20:48,746 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:20:48,747 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:20:48,747 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:20:48,748 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:20:48,748 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:20:48,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:20:48,749 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:20:48,749 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:20:48,749 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:20:48,750 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:20:48,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:20:48,750 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:20:48,750 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:20:48,750 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:20:48,751 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:20:48,751 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:20:48,751 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_612a0e62-d56c-495a-a34f-9cbef682bd90/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bbfbfacfaeeb38833fecae3ab1079c0b6d242b19f1031d4c18e2a589000300f [2023-11-29 03:20:48,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:20:48,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:20:48,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:20:48,989 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:20:48,989 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:20:48,990 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-92.i [2023-11-29 03:20:51,822 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:20:52,000 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:20:52,001 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-92.i [2023-11-29 03:20:52,010 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/data/543a138e1/49476f10a9384613b2b3f4ba585c8d6b/FLAGf5de490c4 [2023-11-29 03:20:52,025 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/data/543a138e1/49476f10a9384613b2b3f4ba585c8d6b [2023-11-29 03:20:52,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:20:52,030 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:20:52,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:20:52,032 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:20:52,037 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:20:52,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:20:52" (1/1) ... [2023-11-29 03:20:52,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dab4165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:20:52, skipping insertion in model container [2023-11-29 03:20:52,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:20:52" (1/1) ... [2023-11-29 03:20:52,073 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:20:52,219 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_612a0e62-d56c-495a-a34f-9cbef682bd90/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-92.i[919,932] [2023-11-29 03:20:52,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:20:52,282 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:20:52,294 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_612a0e62-d56c-495a-a34f-9cbef682bd90/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-92.i[919,932] [2023-11-29 03:20:52,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:20:52,333 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:20:52,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:20:52 WrapperNode [2023-11-29 03:20:52,334 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:20:52,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:20:52,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:20:52,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:20:52,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:20:52" (1/1) ... [2023-11-29 03:20:52,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:20:52" (1/1) ... [2023-11-29 03:20:52,389 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 154 [2023-11-29 03:20:52,390 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:20:52,390 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:20:52,391 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:20:52,391 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:20:52,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:20:52" (1/1) ... [2023-11-29 03:20:52,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:20:52" (1/1) ... [2023-11-29 03:20:52,406 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:20:52" (1/1) ... [2023-11-29 03:20:52,423 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 03:20:52,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:20:52" (1/1) ... [2023-11-29 03:20:52,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:20:52" (1/1) ... [2023-11-29 03:20:52,433 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:20:52" (1/1) ... [2023-11-29 03:20:52,437 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:20:52" (1/1) ... [2023-11-29 03:20:52,439 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:20:52" (1/1) ... [2023-11-29 03:20:52,441 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:20:52" (1/1) ... [2023-11-29 03:20:52,446 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:20:52,446 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:20:52,447 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:20:52,447 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:20:52,448 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:20:52" (1/1) ... [2023-11-29 03:20:52,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:20:52,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:20:52,478 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:20:52,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:20:52,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:20:52,511 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 03:20:52,511 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 03:20:52,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 03:20:52,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:20:52,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:20:52,600 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:20:52,602 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:20:52,896 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:20:52,955 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:20:52,955 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 03:20:52,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:20:52 BoogieIcfgContainer [2023-11-29 03:20:52,966 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:20:52,969 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:20:52,970 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:20:52,973 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:20:52,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:20:52" (1/3) ... [2023-11-29 03:20:52,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1777ebc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:20:52, skipping insertion in model container [2023-11-29 03:20:52,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:20:52" (2/3) ... [2023-11-29 03:20:52,975 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1777ebc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:20:52, skipping insertion in model container [2023-11-29 03:20:52,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:20:52" (3/3) ... [2023-11-29 03:20:52,976 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-92.i [2023-11-29 03:20:52,993 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:20:52,993 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 03:20:53,035 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:20:53,040 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;@7a879225, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:20:53,041 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 03:20:53,046 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 37 states have (on average 1.4864864864864864) internal successors, (55), 38 states have internal predecessors, (55), 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 03:20:53,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-29 03:20:53,060 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:20:53,060 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] [2023-11-29 03:20:53,061 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:20:53,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:20:53,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1806688263, now seen corresponding path program 1 times [2023-11-29 03:20:53,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:20:53,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030014598] [2023-11-29 03:20:53,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:20:53,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:20:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:53,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:20:53,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030014598] [2023-11-29 03:20:53,245 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 03:20:53,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382008173] [2023-11-29 03:20:53,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:20:53,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:20:53,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:20:53,248 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:20:53,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 03:20:53,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:53,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 03:20:53,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:20:53,456 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 03:20:53,456 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:20:53,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382008173] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:20:53,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:20:53,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:20:53,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559744695] [2023-11-29 03:20:53,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:20:53,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 03:20:53,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:20:53,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 03:20:53,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:20:53,497 INFO L87 Difference]: Start difference. First operand has 62 states, 37 states have (on average 1.4864864864864864) internal successors, (55), 38 states have internal predecessors, (55), 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 15.0) internal successors, (30), 2 states have internal predecessors, (30), 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 03:20:53,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:20:53,537 INFO L93 Difference]: Finished difference Result 121 states and 218 transitions. [2023-11-29 03:20:53,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 03:20:53,540 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (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 135 [2023-11-29 03:20:53,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:20:53,548 INFO L225 Difference]: With dead ends: 121 [2023-11-29 03:20:53,548 INFO L226 Difference]: Without dead ends: 60 [2023-11-29 03:20:53,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 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 03:20:53,556 INFO L413 NwaCegarLoop]: 91 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, 91 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 03:20:53,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:20:53,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-29 03:20:53,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-11-29 03:20:53,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 36 states have internal predecessors, (50), 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 03:20:53,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 94 transitions. [2023-11-29 03:20:53,605 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 94 transitions. Word has length 135 [2023-11-29 03:20:53,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:20:53,605 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 94 transitions. [2023-11-29 03:20:53,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (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 03:20:53,606 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 94 transitions. [2023-11-29 03:20:53,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-29 03:20:53,610 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:20:53,610 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] [2023-11-29 03:20:53,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 03:20:53,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:20:53,811 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:20:53,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:20:53,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1019792395, now seen corresponding path program 1 times [2023-11-29 03:20:53,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:20:53,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327320842] [2023-11-29 03:20:53,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:20:53,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:20:53,877 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:20:53,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2100262129] [2023-11-29 03:20:53,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:20:53,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:20:53,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:20:53,879 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:20:53,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 03:20:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:54,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:20:54,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:20:54,319 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 03:20:54,320 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:20:54,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:20:54,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327320842] [2023-11-29 03:20:54,321 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:20:54,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100262129] [2023-11-29 03:20:54,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100262129] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:20:54,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:20:54,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:20:54,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884808996] [2023-11-29 03:20:54,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:20:54,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:20:54,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:20:54,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:20:54,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:20:54,325 INFO L87 Difference]: Start difference. First operand 60 states and 94 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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 03:20:54,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:20:54,534 INFO L93 Difference]: Finished difference Result 190 states and 296 transitions. [2023-11-29 03:20:54,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:20:54,535 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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 135 [2023-11-29 03:20:54,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:20:54,538 INFO L225 Difference]: With dead ends: 190 [2023-11-29 03:20:54,538 INFO L226 Difference]: Without dead ends: 131 [2023-11-29 03:20:54,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 131 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 03:20:54,541 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 82 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:20:54,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 319 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 03:20:54,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-11-29 03:20:54,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 118. [2023-11-29 03:20:54,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 71 states have (on average 1.3943661971830985) internal successors, (99), 71 states have internal predecessors, (99), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-29 03:20:54,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 187 transitions. [2023-11-29 03:20:54,576 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 187 transitions. Word has length 135 [2023-11-29 03:20:54,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:20:54,577 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 187 transitions. [2023-11-29 03:20:54,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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 03:20:54,577 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 187 transitions. [2023-11-29 03:20:54,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-29 03:20:54,580 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:20:54,580 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] [2023-11-29 03:20:54,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 03:20:54,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:20:54,781 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:20:54,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:20:54,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1277957833, now seen corresponding path program 1 times [2023-11-29 03:20:54,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:20:54,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140798814] [2023-11-29 03:20:54,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:20:54,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:20:54,826 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:20:54,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1186544852] [2023-11-29 03:20:54,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:20:54,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:20:54,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:20:54,828 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:20:54,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 03:20:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:54,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 03:20:54,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:21:00,332 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 03:21:00,332 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:21:00,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:21:00,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140798814] [2023-11-29 03:21:00,333 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:21:00,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186544852] [2023-11-29 03:21:00,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186544852] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:21:00,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:21:00,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:21:00,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789768136] [2023-11-29 03:21:00,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:21:00,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:21:00,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:21:00,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:21:00,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:21:00,337 INFO L87 Difference]: Start difference. First operand 118 states and 187 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 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 03:21:00,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:21:00,589 INFO L93 Difference]: Finished difference Result 304 states and 479 transitions. [2023-11-29 03:21:00,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:21:00,589 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 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 135 [2023-11-29 03:21:00,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:21:00,593 INFO L225 Difference]: With dead ends: 304 [2023-11-29 03:21:00,593 INFO L226 Difference]: Without dead ends: 187 [2023-11-29 03:21:00,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:21:00,597 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 63 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:21:00,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 330 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 03:21:00,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2023-11-29 03:21:00,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 172. [2023-11-29 03:21:00,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-11-29 03:21:00,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 271 transitions. [2023-11-29 03:21:00,630 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 271 transitions. Word has length 135 [2023-11-29 03:21:00,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:21:00,631 INFO L495 AbstractCegarLoop]: Abstraction has 172 states and 271 transitions. [2023-11-29 03:21:00,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 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 03:21:00,632 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 271 transitions. [2023-11-29 03:21:00,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-29 03:21:00,634 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:21:00,635 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] [2023-11-29 03:21:00,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-29 03:21:00,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:21:00,845 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:21:00,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:21:00,846 INFO L85 PathProgramCache]: Analyzing trace with hash -579527314, now seen corresponding path program 1 times [2023-11-29 03:21:00,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:21:00,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970514849] [2023-11-29 03:21:00,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:21:00,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:21:00,883 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:21:00,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2061463592] [2023-11-29 03:21:00,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:21:00,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:21:00,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:21:00,885 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:21:00,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 03:21:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:00,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:21:00,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:21:01,033 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 03:21:01,033 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:21:01,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:21:01,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970514849] [2023-11-29 03:21:01,034 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:21:01,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061463592] [2023-11-29 03:21:01,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2061463592] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:21:01,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:21:01,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:21:01,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851301566] [2023-11-29 03:21:01,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:21:01,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:21:01,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:21:01,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:21:01,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:21:01,037 INFO L87 Difference]: Start difference. First operand 172 states and 271 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 03:21:01,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:21:01,122 INFO L93 Difference]: Finished difference Result 377 states and 589 transitions. [2023-11-29 03:21:01,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:21:01,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 137 [2023-11-29 03:21:01,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:21:01,126 INFO L225 Difference]: With dead ends: 377 [2023-11-29 03:21:01,126 INFO L226 Difference]: Without dead ends: 260 [2023-11-29 03:21:01,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:21:01,129 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 46 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:21:01,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 157 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:21:01,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2023-11-29 03:21:01,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 256. [2023-11-29 03:21:01,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 167 states have (on average 1.401197604790419) internal successors, (234), 169 states have internal predecessors, (234), 82 states have call successors, (82), 6 states have call predecessors, (82), 6 states have return successors, (82), 80 states have call predecessors, (82), 82 states have call successors, (82) [2023-11-29 03:21:01,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 398 transitions. [2023-11-29 03:21:01,171 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 398 transitions. Word has length 137 [2023-11-29 03:21:01,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:21:01,172 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 398 transitions. [2023-11-29 03:21:01,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 03:21:01,173 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 398 transitions. [2023-11-29 03:21:01,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-29 03:21:01,175 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:21:01,175 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] [2023-11-29 03:21:01,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-29 03:21:01,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:21:01,377 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:21:01,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:21:01,378 INFO L85 PathProgramCache]: Analyzing trace with hash -577680272, now seen corresponding path program 1 times [2023-11-29 03:21:01,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:21:01,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315405498] [2023-11-29 03:21:01,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:21:01,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:21:01,409 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:21:01,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [775061156] [2023-11-29 03:21:01,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:21:01,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:21:01,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:21:01,411 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:21:01,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 03:21:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:21:01,900 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:21:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:21:02,019 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:21:02,020 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 03:21:02,021 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 03:21:02,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 03:21:02,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:21:02,229 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-29 03:21:02,232 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 03:21:02,319 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 03:21:02,322 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated [2023-11-29 03:21:02,322 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-29 03:21:02,323 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated [2023-11-29 03:21:02,323 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated [2023-11-29 03:21:02,323 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-29 03:21:02,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:21:02 BoogieIcfgContainer [2023-11-29 03:21:02,345 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 03:21:02,346 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:21:02,346 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:21:02,346 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:21:02,346 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:20:52" (3/4) ... [2023-11-29 03:21:02,348 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 03:21:02,348 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:21:02,349 INFO L158 Benchmark]: Toolchain (without parser) took 10319.02ms. Allocated memory was 176.2MB in the beginning and 448.8MB in the end (delta: 272.6MB). Free memory was 135.2MB in the beginning and 201.1MB in the end (delta: -66.0MB). Peak memory consumption was 208.8MB. Max. memory is 16.1GB. [2023-11-29 03:21:02,349 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 102.8MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:21:02,349 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.78ms. Allocated memory is still 176.2MB. Free memory was 135.2MB in the beginning and 121.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 03:21:02,350 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.97ms. Allocated memory is still 176.2MB. Free memory was 121.3MB in the beginning and 117.5MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 03:21:02,350 INFO L158 Benchmark]: Boogie Preprocessor took 55.33ms. Allocated memory is still 176.2MB. Free memory was 117.5MB in the beginning and 112.1MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 03:21:02,350 INFO L158 Benchmark]: RCFGBuilder took 519.69ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 112.1MB in the beginning and 224.1MB in the end (delta: -112.0MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2023-11-29 03:21:02,350 INFO L158 Benchmark]: TraceAbstraction took 9375.67ms. Allocated memory was 255.9MB in the beginning and 448.8MB in the end (delta: 192.9MB). Free memory was 224.1MB in the beginning and 201.1MB in the end (delta: 22.9MB). Peak memory consumption was 214.8MB. Max. memory is 16.1GB. [2023-11-29 03:21:02,351 INFO L158 Benchmark]: Witness Printer took 2.88ms. Allocated memory is still 448.8MB. Free memory is still 201.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:21:02,353 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 102.8MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.78ms. Allocated memory is still 176.2MB. Free memory was 135.2MB in the beginning and 121.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.97ms. Allocated memory is still 176.2MB. Free memory was 121.3MB in the beginning and 117.5MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.33ms. Allocated memory is still 176.2MB. Free memory was 117.5MB in the beginning and 112.1MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 519.69ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 112.1MB in the beginning and 224.1MB in the end (delta: -112.0MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9375.67ms. Allocated memory was 255.9MB in the beginning and 448.8MB in the end (delta: 192.9MB). Free memory was 224.1MB in the beginning and 201.1MB in the end (delta: 22.9MB). Peak memory consumption was 214.8MB. Max. memory is 16.1GB. * Witness Printer took 2.88ms. Allocated memory is still 448.8MB. Free memory is still 201.1MB. 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~short17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet16 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 someBinaryDOUBLEComparisonOperation at line 129, overapproximation of shiftRight at line 129. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 100; [L23] unsigned char var_1_6 = 0; [L24] unsigned char var_1_7 = 0; [L25] unsigned short int var_1_8 = 10; [L26] unsigned short int var_1_9 = 0; [L27] unsigned short int var_1_10 = 53946; [L28] unsigned short int var_1_11 = 1; [L29] unsigned long int var_1_12 = 8; [L30] double var_1_13 = 8.25; [L31] signed long int var_1_14 = -256; [L32] double var_1_15 = 0.19999999999999996; [L33] signed long int var_1_16 = -16; [L34] signed char var_1_17 = 1; [L35] signed char var_1_18 = 4; [L36] signed char var_1_19 = 64; [L37] signed long int var_1_20 = 1; [L38] signed long int var_1_21 = 1000000000; [L39] unsigned short int last_1_var_1_1 = 100; [L40] unsigned long int last_1_var_1_12 = 8; [L41] double last_1_var_1_13 = 8.25; [L42] signed long int last_1_var_1_16 = -16; [L133] isInitial = 1 [L134] FCALL initially() [L135] COND TRUE 1 [L136] CALL updateLastVariables() [L123] last_1_var_1_1 = var_1_1 [L124] last_1_var_1_12 = var_1_12 [L125] last_1_var_1_13 = var_1_13 [L126] last_1_var_1_16 = var_1_16 [L136] RET updateLastVariables() [L137] CALL updateVariables() [L88] var_1_6 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_7=0, var_1_8=10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_7=0, var_1_8=10, var_1_9=0] [L89] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_7=0, var_1_8=10, var_1_9=0] [L90] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=0, var_1_8=10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=0, var_1_8=10, var_1_9=0] [L90] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=0, var_1_8=10, var_1_9=0] [L91] var_1_7 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_8=10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_8=10, var_1_9=0] [L92] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_8=10, var_1_9=0] [L93] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=10, var_1_9=0] [L93] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=10, var_1_9=0] [L94] var_1_8 = __VERIFIER_nondet_ushort() [L95] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_9=0] [L95] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_9=0] [L96] CALL assume_abort_if_not(var_1_8 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L96] RET assume_abort_if_not(var_1_8 <= 65534) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L97] var_1_9 = __VERIFIER_nondet_ushort() [L98] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534] [L98] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534] [L99] CALL assume_abort_if_not(var_1_9 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L99] RET assume_abort_if_not(var_1_9 <= 65534) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=53946, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L100] var_1_10 = __VERIFIER_nondet_ushort() [L101] CALL assume_abort_if_not(var_1_10 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L101] RET assume_abort_if_not(var_1_10 >= 32767) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L102] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L102] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=1, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L103] var_1_11 = __VERIFIER_nondet_ushort() [L104] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L104] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L105] CALL assume_abort_if_not(var_1_11 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L105] RET assume_abort_if_not(var_1_11 <= 32767) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=-256, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L106] var_1_14 = __VERIFIER_nondet_long() [L107] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L107] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L108] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L108] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L109] CALL assume_abort_if_not(var_1_14 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L109] RET assume_abort_if_not(var_1_14 != 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_15=4999999999999999/25000000000000000, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L110] var_1_15 = __VERIFIER_nondet_double() [L111] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L111] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L112] var_1_18 = __VERIFIER_nondet_char() [L113] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L113] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L114] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L114] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=64, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L115] var_1_19 = __VERIFIER_nondet_char() [L116] CALL assume_abort_if_not(var_1_19 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L116] RET assume_abort_if_not(var_1_19 >= 63) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L117] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L117] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=1000000000, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L118] var_1_21 = __VERIFIER_nondet_long() [L119] CALL assume_abort_if_not(var_1_21 >= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L119] RET assume_abort_if_not(var_1_21 >= 536870911) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L120] CALL assume_abort_if_not(var_1_21 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L120] RET assume_abort_if_not(var_1_21 <= 1073741823) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L137] RET updateVariables() [L138] CALL step() [L46] EXPR ((((var_1_11) < (16)) ? (var_1_11) : (16))) >> var_1_10 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=100, var_1_20=1, var_1_21=536870911, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L46] COND FALSE !((((((var_1_11) < (16)) ? (var_1_11) : (16))) >> var_1_10) >= last_1_var_1_16) [L51] COND FALSE !((last_1_var_1_12 == last_1_var_1_1) && (last_1_var_1_13 >= last_1_var_1_13)) [L62] var_1_1 = var_1_10 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_16=-16, var_1_17=1, var_1_18=4, var_1_19=63, var_1_1=65534, var_1_20=1, var_1_21=536870911, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L64] var_1_17 = (4 - ((((var_1_18) < ((var_1_19 - 1))) ? (var_1_18) : ((var_1_19 - 1))))) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_16=-16, var_1_17=0, var_1_18=4, var_1_19=63, var_1_1=65534, var_1_20=1, var_1_21=536870911, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L65] COND TRUE \read(var_1_6) [L66] var_1_20 = ((var_1_8 - (var_1_21 - var_1_11)) + var_1_10) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_16=-16, var_1_17=0, var_1_18=4, var_1_19=63, var_1_1=65534, var_1_20=-536739827, var_1_21=536870911, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L74] COND FALSE !(var_1_6 && (var_1_9 < (var_1_10 + var_1_20))) [L79] var_1_16 = var_1_8 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=33/4, var_1_14=1, var_1_16=65534, var_1_17=0, var_1_18=4, var_1_19=63, var_1_1=65534, var_1_20=-536739827, var_1_21=536870911, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L81] COND TRUE (((((var_1_10) < (var_1_1)) ? (var_1_10) : (var_1_1))) + (var_1_9 % var_1_14)) >= ((((var_1_16) < (var_1_8)) ? (var_1_16) : (var_1_8))) [L82] var_1_13 = var_1_15 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=2, var_1_14=1, var_1_15=2, var_1_16=65534, var_1_17=0, var_1_18=4, var_1_19=63, var_1_1=65534, var_1_20=-536739827, var_1_21=536870911, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L138] RET step() [L139] CALL, EXPR property() [L129] EXPR (((last_1_var_1_12 == last_1_var_1_1) && (last_1_var_1_13 >= last_1_var_1_13)) ? (var_1_6 ? (var_1_7 ? (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((unsigned short int) ((((var_1_9) > (var_1_8)) ? (var_1_9) : (var_1_8)))))) : (var_1_1 == ((unsigned short int) (((((46167) > (var_1_10)) ? (46167) : (var_1_10))) - var_1_11)))) : (var_1_1 == ((unsigned short int) var_1_10))) && (((((((var_1_11) < (16)) ? (var_1_11) : (16))) >> var_1_10) >= last_1_var_1_16) ? (var_1_7 ? (var_1_12 == ((unsigned long int) var_1_10)) : 1) : 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=2, var_1_14=1, var_1_15=2, var_1_16=65534, var_1_17=0, var_1_18=4, var_1_19=63, var_1_1=65534, var_1_20=-536739827, var_1_21=536870911, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L129] EXPR ((((var_1_11) < (16)) ? (var_1_11) : (16))) >> var_1_10 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=2, var_1_14=1, var_1_15=2, var_1_16=65534, var_1_17=0, var_1_18=4, var_1_19=63, var_1_1=65534, var_1_20=-536739827, var_1_21=536870911, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L129] EXPR (((last_1_var_1_12 == last_1_var_1_1) && (last_1_var_1_13 >= last_1_var_1_13)) ? (var_1_6 ? (var_1_7 ? (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((unsigned short int) ((((var_1_9) > (var_1_8)) ? (var_1_9) : (var_1_8)))))) : (var_1_1 == ((unsigned short int) (((((46167) > (var_1_10)) ? (46167) : (var_1_10))) - var_1_11)))) : (var_1_1 == ((unsigned short int) var_1_10))) && (((((((var_1_11) < (16)) ? (var_1_11) : (16))) >> var_1_10) >= last_1_var_1_16) ? (var_1_7 ? (var_1_12 == ((unsigned long int) var_1_10)) : 1) : 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=2, var_1_14=1, var_1_15=2, var_1_16=65534, var_1_17=0, var_1_18=4, var_1_19=63, var_1_1=65534, var_1_20=-536739827, var_1_21=536870911, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L129-L130] return (((((((last_1_var_1_12 == last_1_var_1_1) && (last_1_var_1_13 >= last_1_var_1_13)) ? (var_1_6 ? (var_1_7 ? (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((unsigned short int) ((((var_1_9) > (var_1_8)) ? (var_1_9) : (var_1_8)))))) : (var_1_1 == ((unsigned short int) (((((46167) > (var_1_10)) ? (46167) : (var_1_10))) - var_1_11)))) : (var_1_1 == ((unsigned short int) var_1_10))) && (((((((var_1_11) < (16)) ? (var_1_11) : (16))) >> var_1_10) >= last_1_var_1_16) ? (var_1_7 ? (var_1_12 == ((unsigned long int) var_1_10)) : 1) : 1)) && (((((((var_1_10) < (var_1_1)) ? (var_1_10) : (var_1_1))) + (var_1_9 % var_1_14)) >= ((((var_1_16) < (var_1_8)) ? (var_1_16) : (var_1_8)))) ? (var_1_13 == ((double) var_1_15)) : (var_1_13 == ((double) var_1_15)))) && ((var_1_6 && (var_1_9 < (var_1_10 + var_1_20))) ? ((var_1_7 && var_1_6) ? (var_1_16 == ((signed long int) var_1_10)) : 1) : (var_1_16 == ((signed long int) var_1_8)))) && (var_1_17 == ((signed char) (4 - ((((var_1_18) < ((var_1_19 - 1))) ? (var_1_18) : ((var_1_19 - 1)))))))) && (var_1_6 ? (var_1_20 == ((signed long int) ((var_1_8 - (var_1_21 - var_1_11)) + var_1_10))) : (((~ var_1_19) == var_1_12) ? (var_1_20 == ((signed long int) var_1_1)) : (var_1_20 == ((signed long int) var_1_10)))) ; [L139] RET, EXPR property() [L139] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=2, var_1_14=1, var_1_15=2, var_1_16=65534, var_1_17=0, var_1_18=4, var_1_19=63, var_1_1=65534, var_1_20=-536739827, var_1_21=536870911, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=33/4, last_1_var_1_16=-16, last_1_var_1_1=100, var_1_10=65534, var_1_11=16, var_1_12=8, var_1_13=2, var_1_14=1, var_1_15=2, var_1_16=65534, var_1_17=0, var_1_18=4, var_1_19=63, var_1_1=65534, var_1_20=-536739827, var_1_21=536870911, var_1_6=1, var_1_7=1, var_1_8=65534, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.2s, OverallIterations: 5, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 191 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 191 mSDsluCounter, 897 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 545 mSDsCounter, 95 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 230 IncrementalHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 95 mSolverCounterUnsat, 352 mSDtfsCounter, 230 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 542 GetRequests, 530 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=256occurred in iteration=4, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 32 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 814 NumberOfCodeBlocks, 814 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 538 ConstructedInterpolants, 0 QuantifiedInterpolants, 1941 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1280 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 3696/3696 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 03:21:02,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/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_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-92.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/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_612a0e62-d56c-495a-a34f-9cbef682bd90/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 5bbfbfacfaeeb38833fecae3ab1079c0b6d242b19f1031d4c18e2a589000300f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:21:04,326 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:21:04,401 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 03:21:04,406 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:21:04,407 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:21:04,433 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:21:04,433 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:21:04,433 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:21:04,434 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:21:04,435 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:21:04,435 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:21:04,436 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:21:04,437 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:21:04,437 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:21:04,438 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:21:04,438 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:21:04,439 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:21:04,439 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:21:04,440 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:21:04,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:21:04,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:21:04,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:21:04,442 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:21:04,442 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 03:21:04,442 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 03:21:04,443 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 03:21:04,443 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:21:04,444 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:21:04,444 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:21:04,444 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:21:04,445 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:21:04,445 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:21:04,445 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:21:04,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:21:04,446 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:21:04,446 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:21:04,446 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:21:04,446 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 03:21:04,447 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 03:21:04,447 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:21:04,447 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:21:04,447 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:21:04,447 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:21:04,448 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:21:04,448 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 03:21:04,448 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_612a0e62-d56c-495a-a34f-9cbef682bd90/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bbfbfacfaeeb38833fecae3ab1079c0b6d242b19f1031d4c18e2a589000300f [2023-11-29 03:21:04,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:21:04,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:21:04,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:21:04,762 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:21:04,763 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:21:04,764 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-92.i [2023-11-29 03:21:07,530 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:21:07,743 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:21:07,744 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-92.i [2023-11-29 03:21:07,755 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/data/a005a7428/88f9e5b2f3f5454d8e7be83ffff299d6/FLAG045a66736 [2023-11-29 03:21:07,770 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/data/a005a7428/88f9e5b2f3f5454d8e7be83ffff299d6 [2023-11-29 03:21:07,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:21:07,774 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:21:07,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:21:07,776 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:21:07,781 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:21:07,782 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:21:07" (1/1) ... [2023-11-29 03:21:07,783 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ed2f874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:07, skipping insertion in model container [2023-11-29 03:21:07,783 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:21:07" (1/1) ... [2023-11-29 03:21:07,813 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:21:07,964 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_612a0e62-d56c-495a-a34f-9cbef682bd90/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-92.i[919,932] [2023-11-29 03:21:08,011 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:21:08,030 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:21:08,042 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_612a0e62-d56c-495a-a34f-9cbef682bd90/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-92.i[919,932] [2023-11-29 03:21:08,069 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:21:08,087 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:21:08,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:08 WrapperNode [2023-11-29 03:21:08,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:21:08,089 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:21:08,089 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:21:08,089 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:21:08,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:08" (1/1) ... [2023-11-29 03:21:08,108 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:08" (1/1) ... [2023-11-29 03:21:08,136 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 137 [2023-11-29 03:21:08,137 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:21:08,137 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:21:08,138 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:21:08,138 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:21:08,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:08" (1/1) ... [2023-11-29 03:21:08,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:08" (1/1) ... [2023-11-29 03:21:08,154 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:08" (1/1) ... [2023-11-29 03:21:08,166 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 03:21:08,167 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:08" (1/1) ... [2023-11-29 03:21:08,167 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:08" (1/1) ... [2023-11-29 03:21:08,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:08" (1/1) ... [2023-11-29 03:21:08,181 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:08" (1/1) ... [2023-11-29 03:21:08,183 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:08" (1/1) ... [2023-11-29 03:21:08,185 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:08" (1/1) ... [2023-11-29 03:21:08,189 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:21:08,190 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:21:08,190 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:21:08,191 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:21:08,191 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:08" (1/1) ... [2023-11-29 03:21:08,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:21:08,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:21:08,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:21:08,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:21:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:21:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 03:21:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 03:21:08,272 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 03:21:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:21:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:21:08,354 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:21:08,356 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:21:08,693 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:21:08,758 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:21:08,758 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 03:21:08,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:21:08 BoogieIcfgContainer [2023-11-29 03:21:08,759 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:21:08,762 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:21:08,762 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:21:08,765 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:21:08,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:21:07" (1/3) ... [2023-11-29 03:21:08,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a21bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:21:08, skipping insertion in model container [2023-11-29 03:21:08,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:21:08" (2/3) ... [2023-11-29 03:21:08,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a21bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:21:08, skipping insertion in model container [2023-11-29 03:21:08,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:21:08" (3/3) ... [2023-11-29 03:21:08,768 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-92.i [2023-11-29 03:21:08,788 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:21:08,788 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 03:21:08,840 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:21:08,846 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;@3f21c907, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:21:08,847 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 03:21:08,851 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 32 states have (on average 1.46875) internal successors, (47), 33 states have internal predecessors, (47), 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 03:21:08,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 03:21:08,866 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:21:08,866 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] [2023-11-29 03:21:08,867 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:21:08,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:21:08,872 INFO L85 PathProgramCache]: Analyzing trace with hash 608494621, now seen corresponding path program 1 times [2023-11-29 03:21:08,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:21:08,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1322246820] [2023-11-29 03:21:08,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:21:08,887 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 03:21:08,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:21:08,890 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/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 03:21:08,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/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 03:21:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:09,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 03:21:09,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:21:09,172 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2023-11-29 03:21:09,172 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:21:09,173 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:21:09,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1322246820] [2023-11-29 03:21:09,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1322246820] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:21:09,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:21:09,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:21:09,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449151261] [2023-11-29 03:21:09,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:21:09,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 03:21:09,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:21:09,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 03:21:09,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:21:09,212 INFO L87 Difference]: Start difference. First operand has 57 states, 32 states have (on average 1.46875) internal successors, (47), 33 states have internal predecessors, (47), 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 14.5) internal successors, (29), 2 states have internal predecessors, (29), 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 03:21:11,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:21:11,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:21:11,539 INFO L93 Difference]: Finished difference Result 111 states and 202 transitions. [2023-11-29 03:21:11,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 03:21:11,543 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 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 132 [2023-11-29 03:21:11,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:21:11,551 INFO L225 Difference]: With dead ends: 111 [2023-11-29 03:21:11,552 INFO L226 Difference]: Without dead ends: 55 [2023-11-29 03:21:11,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:21:11,559 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:21:11,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-29 03:21:11,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-29 03:21:11,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-11-29 03:21:11,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 31 states have internal predecessors, (42), 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 03:21:11,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 86 transitions. [2023-11-29 03:21:11,607 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 86 transitions. Word has length 132 [2023-11-29 03:21:11,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:21:11,608 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 86 transitions. [2023-11-29 03:21:11,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 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 03:21:11,609 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 86 transitions. [2023-11-29 03:21:11,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 03:21:11,612 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:21:11,612 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] [2023-11-29 03:21:11,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/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 03:21:11,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/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 03:21:11,813 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:21:11,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:21:11,814 INFO L85 PathProgramCache]: Analyzing trace with hash 199169689, now seen corresponding path program 1 times [2023-11-29 03:21:11,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:21:11,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1565878978] [2023-11-29 03:21:11,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:21:11,815 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 03:21:11,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:21:11,816 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/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 03:21:11,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a0e62-d56c-495a-a34f-9cbef682bd90/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 03:21:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:12,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-29 03:21:12,023 INFO L285 TraceCheckSpWp]: Computing forward predicates...