./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-37.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/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_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/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_6c90e2fe-004c-4781-8548-99238129cd8d/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 f4da2059a4cb972f9fd86e1b50a915414e86a3432d84cf94afece8f8e6c08d77 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:57:18,994 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:57:19,062 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 03:57:19,068 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:57:19,069 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:57:19,094 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:57:19,095 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:57:19,096 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:57:19,096 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:57:19,097 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:57:19,097 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:57:19,098 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:57:19,099 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:57:19,099 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:57:19,100 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:57:19,100 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:57:19,101 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:57:19,101 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:57:19,102 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:57:19,102 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:57:19,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:57:19,104 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:57:19,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:57:19,104 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:57:19,105 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:57:19,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:57:19,106 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:57:19,106 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:57:19,107 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:57:19,107 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:57:19,107 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:57:19,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:57:19,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:57:19,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:57:19,109 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:57:19,110 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:57:19,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:57:19,110 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:57:19,110 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:57:19,111 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:57:19,111 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:57:19,111 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:57:19,111 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_6c90e2fe-004c-4781-8548-99238129cd8d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4da2059a4cb972f9fd86e1b50a915414e86a3432d84cf94afece8f8e6c08d77 [2023-11-29 03:57:19,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:57:19,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:57:19,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:57:19,385 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:57:19,385 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:57:19,387 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-37.i [2023-11-29 03:57:22,203 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:57:22,401 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:57:22,401 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-37.i [2023-11-29 03:57:22,412 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/data/018ff5ad3/795a75ec2f644e28992b0805a930ae7f/FLAG9759cdb39 [2023-11-29 03:57:22,425 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/data/018ff5ad3/795a75ec2f644e28992b0805a930ae7f [2023-11-29 03:57:22,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:57:22,429 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:57:22,430 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:57:22,430 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:57:22,435 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:57:22,435 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:57:22" (1/1) ... [2023-11-29 03:57:22,436 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e14b77a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:57:22, skipping insertion in model container [2023-11-29 03:57:22,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:57:22" (1/1) ... [2023-11-29 03:57:22,475 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:57:22,600 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_6c90e2fe-004c-4781-8548-99238129cd8d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-37.i[916,929] [2023-11-29 03:57:22,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:57:22,697 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:57:22,708 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_6c90e2fe-004c-4781-8548-99238129cd8d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-37.i[916,929] [2023-11-29 03:57:22,755 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:57:22,774 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:57:22,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:57:22 WrapperNode [2023-11-29 03:57:22,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:57:22,775 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:57:22,776 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:57:22,776 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:57:22,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:57:22" (1/1) ... [2023-11-29 03:57:22,800 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:57:22" (1/1) ... [2023-11-29 03:57:22,843 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 239 [2023-11-29 03:57:22,843 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:57:22,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:57:22,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:57:22,844 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:57:22,854 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:57:22" (1/1) ... [2023-11-29 03:57:22,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:57:22" (1/1) ... [2023-11-29 03:57:22,858 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:57:22" (1/1) ... [2023-11-29 03:57:22,878 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 03:57:22,879 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:57:22" (1/1) ... [2023-11-29 03:57:22,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:57:22" (1/1) ... [2023-11-29 03:57:22,893 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:57:22" (1/1) ... [2023-11-29 03:57:22,898 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:57:22" (1/1) ... [2023-11-29 03:57:22,903 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:57:22" (1/1) ... [2023-11-29 03:57:22,905 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:57:22" (1/1) ... [2023-11-29 03:57:22,912 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:57:22,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:57:22,913 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:57:22,913 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:57:22,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:57:22" (1/1) ... [2023-11-29 03:57:22,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:57:22,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:57:22,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:57:22,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:57:22,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:57:22,995 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 03:57:22,995 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 03:57:22,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 03:57:22,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:57:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:57:23,085 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:57:23,087 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:57:23,545 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:57:23,594 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:57:23,595 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 03:57:23,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:57:23 BoogieIcfgContainer [2023-11-29 03:57:23,596 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:57:23,598 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:57:23,598 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:57:23,601 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:57:23,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:57:22" (1/3) ... [2023-11-29 03:57:23,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c78e0f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:57:23, skipping insertion in model container [2023-11-29 03:57:23,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:57:22" (2/3) ... [2023-11-29 03:57:23,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c78e0f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:57:23, skipping insertion in model container [2023-11-29 03:57:23,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:57:23" (3/3) ... [2023-11-29 03:57:23,604 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-37.i [2023-11-29 03:57:23,621 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:57:23,622 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 03:57:23,668 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:57:23,675 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6735ffc6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:57:23,675 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 03:57:23,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 60 states have (on average 1.6) internal successors, (96), 61 states have internal predecessors, (96), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 03:57:23,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 03:57:23,693 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:57:23,694 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:57:23,695 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:57:23,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:57:23,700 INFO L85 PathProgramCache]: Analyzing trace with hash -2015736111, now seen corresponding path program 1 times [2023-11-29 03:57:23,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:57:23,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260830569] [2023-11-29 03:57:23,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:23,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:57:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:57:23,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:57:23,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260830569] [2023-11-29 03:57:23,905 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 03:57:23,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809998385] [2023-11-29 03:57:23,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:23,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:57:23,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:57:23,912 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:57:23,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 03:57:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:57:24,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 03:57:24,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:57:24,138 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-11-29 03:57:24,138 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:57:24,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809998385] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:57:24,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:57:24,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:57:24,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173060208] [2023-11-29 03:57:24,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:57:24,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 03:57:24,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:57:24,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 03:57:24,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:57:24,176 INFO L87 Difference]: Start difference. First operand has 83 states, 60 states have (on average 1.6) internal successors, (96), 61 states have internal predecessors, (96), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 03:57:24,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:57:24,218 INFO L93 Difference]: Finished difference Result 163 states and 290 transitions. [2023-11-29 03:57:24,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 03:57:24,222 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 133 [2023-11-29 03:57:24,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:57:24,231 INFO L225 Difference]: With dead ends: 163 [2023-11-29 03:57:24,231 INFO L226 Difference]: Without dead ends: 81 [2023-11-29 03:57:24,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 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 03:57:24,239 INFO L413 NwaCegarLoop]: 128 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, 128 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 03:57:24,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:57:24,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-29 03:57:24,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-11-29 03:57:24,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 59 states have (on average 1.5423728813559323) internal successors, (91), 59 states have internal predecessors, (91), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 03:57:24,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 131 transitions. [2023-11-29 03:57:24,293 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 131 transitions. Word has length 133 [2023-11-29 03:57:24,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:57:24,294 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 131 transitions. [2023-11-29 03:57:24,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 03:57:24,294 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 131 transitions. [2023-11-29 03:57:24,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 03:57:24,298 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:57:24,298 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:57:24,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-29 03:57:24,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 03:57:24,499 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:57:24,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:57:24,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1902491755, now seen corresponding path program 1 times [2023-11-29 03:57:24,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:57:24,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889857967] [2023-11-29 03:57:24,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:24,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:57:24,561 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:57:24,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [803033400] [2023-11-29 03:57:24,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:24,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:57:24,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:57:24,563 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:57:24,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 03:57:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:57:24,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:57:24,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:57:24,837 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 03:57:24,837 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:57:24,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:57:24,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889857967] [2023-11-29 03:57:24,837 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:57:24,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803033400] [2023-11-29 03:57:24,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803033400] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:57:24,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:57:24,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:57:24,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373257064] [2023-11-29 03:57:24,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:57:24,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:57:24,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:57:24,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:57:24,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:57:24,842 INFO L87 Difference]: Start difference. First operand 81 states and 131 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 03:57:25,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:57:25,138 INFO L93 Difference]: Finished difference Result 269 states and 430 transitions. [2023-11-29 03:57:25,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:57:25,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 133 [2023-11-29 03:57:25,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:57:25,143 INFO L225 Difference]: With dead ends: 269 [2023-11-29 03:57:25,144 INFO L226 Difference]: Without dead ends: 189 [2023-11-29 03:57:25,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:57:25,147 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 189 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:57:25,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 472 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 03:57:25,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2023-11-29 03:57:25,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 184. [2023-11-29 03:57:25,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 136 states have (on average 1.4852941176470589) internal successors, (202), 137 states have internal predecessors, (202), 44 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (44), 43 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-29 03:57:25,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 290 transitions. [2023-11-29 03:57:25,187 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 290 transitions. Word has length 133 [2023-11-29 03:57:25,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:57:25,188 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 290 transitions. [2023-11-29 03:57:25,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 03:57:25,188 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 290 transitions. [2023-11-29 03:57:25,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 03:57:25,192 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:57:25,192 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:57:25,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 03:57:25,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:57:25,399 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:57:25,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:57:25,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1180231409, now seen corresponding path program 1 times [2023-11-29 03:57:25,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:57:25,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314028144] [2023-11-29 03:57:25,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:25,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:57:25,448 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:57:25,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [784061641] [2023-11-29 03:57:25,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:25,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:57:25,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:57:25,450 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:57:25,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 03:57:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:57:25,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:57:25,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:57:25,625 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 03:57:25,626 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:57:25,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:57:25,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314028144] [2023-11-29 03:57:25,626 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:57:25,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784061641] [2023-11-29 03:57:25,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784061641] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:57:25,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:57:25,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:57:25,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045707210] [2023-11-29 03:57:25,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:57:25,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:57:25,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:57:25,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:57:25,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:57:25,630 INFO L87 Difference]: Start difference. First operand 184 states and 290 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 03:57:25,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:57:25,739 INFO L93 Difference]: Finished difference Result 401 states and 624 transitions. [2023-11-29 03:57:25,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:57:25,740 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 134 [2023-11-29 03:57:25,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:57:25,745 INFO L225 Difference]: With dead ends: 401 [2023-11-29 03:57:25,745 INFO L226 Difference]: Without dead ends: 218 [2023-11-29 03:57:25,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:57:25,749 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 66 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:57:25,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 355 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:57:25,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2023-11-29 03:57:25,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 188. [2023-11-29 03:57:25,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 139 states have (on average 1.4676258992805755) internal successors, (204), 140 states have internal predecessors, (204), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 43 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-29 03:57:25,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 292 transitions. [2023-11-29 03:57:25,780 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 292 transitions. Word has length 134 [2023-11-29 03:57:25,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:57:25,781 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 292 transitions. [2023-11-29 03:57:25,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 03:57:25,781 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 292 transitions. [2023-11-29 03:57:25,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-29 03:57:25,784 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:57:25,784 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:57:25,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 03:57:25,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:57:25,989 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:57:25,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:57:25,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1483390308, now seen corresponding path program 1 times [2023-11-29 03:57:25,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:57:25,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630703142] [2023-11-29 03:57:25,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:25,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:57:26,029 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:57:26,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1146121372] [2023-11-29 03:57:26,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:26,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:57:26,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:57:26,031 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:57:26,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 03:57:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:57:26,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:57:26,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:57:26,306 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 03:57:26,306 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:57:26,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:57:26,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630703142] [2023-11-29 03:57:26,307 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:57:26,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146121372] [2023-11-29 03:57:26,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146121372] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:57:26,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:57:26,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:57:26,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607612214] [2023-11-29 03:57:26,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:57:26,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:57:26,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:57:26,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:57:26,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:57:26,310 INFO L87 Difference]: Start difference. First operand 188 states and 292 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 03:57:26,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:57:26,758 INFO L93 Difference]: Finished difference Result 412 states and 634 transitions. [2023-11-29 03:57:26,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:57:26,759 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 135 [2023-11-29 03:57:26,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:57:26,762 INFO L225 Difference]: With dead ends: 412 [2023-11-29 03:57:26,762 INFO L226 Difference]: Without dead ends: 225 [2023-11-29 03:57:26,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:57:26,764 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 171 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:57:26,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 566 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 03:57:26,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2023-11-29 03:57:26,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 214. [2023-11-29 03:57:26,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 162 states have (on average 1.4691358024691359) internal successors, (238), 164 states have internal predecessors, (238), 46 states have call successors, (46), 5 states have call predecessors, (46), 5 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-29 03:57:26,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 330 transitions. [2023-11-29 03:57:26,790 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 330 transitions. Word has length 135 [2023-11-29 03:57:26,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:57:26,791 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 330 transitions. [2023-11-29 03:57:26,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 03:57:26,791 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 330 transitions. [2023-11-29 03:57:26,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-29 03:57:26,793 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:57:26,793 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:57:26,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 03:57:26,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:57:26,996 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:57:26,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:57:26,997 INFO L85 PathProgramCache]: Analyzing trace with hash -799570764, now seen corresponding path program 1 times [2023-11-29 03:57:26,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:57:26,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812913319] [2023-11-29 03:57:26,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:26,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:57:27,033 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:57:27,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [284324376] [2023-11-29 03:57:27,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:27,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:57:27,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:57:27,035 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:57:27,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 03:57:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:57:27,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 03:57:27,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:57:27,315 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 393 proven. 24 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2023-11-29 03:57:27,315 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:57:27,519 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 33 proven. 24 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-29 03:57:27,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:57:27,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812913319] [2023-11-29 03:57:27,519 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:57:27,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284324376] [2023-11-29 03:57:27,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284324376] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:57:27,520 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:57:27,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-11-29 03:57:27,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966155461] [2023-11-29 03:57:27,520 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:57:27,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 03:57:27,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:57:27,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 03:57:27,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:57:27,522 INFO L87 Difference]: Start difference. First operand 214 states and 330 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-29 03:57:27,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:57:27,772 INFO L93 Difference]: Finished difference Result 346 states and 527 transitions. [2023-11-29 03:57:27,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:57:27,774 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 136 [2023-11-29 03:57:27,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:57:27,776 INFO L225 Difference]: With dead ends: 346 [2023-11-29 03:57:27,776 INFO L226 Difference]: Without dead ends: 133 [2023-11-29 03:57:27,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 263 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:57:27,778 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 219 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:57:27,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 209 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 03:57:27,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-11-29 03:57:27,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 115. [2023-11-29 03:57:27,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 86 states have (on average 1.3604651162790697) internal successors, (117), 87 states have internal predecessors, (117), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 03:57:27,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 165 transitions. [2023-11-29 03:57:27,792 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 165 transitions. Word has length 136 [2023-11-29 03:57:27,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:57:27,792 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 165 transitions. [2023-11-29 03:57:27,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-29 03:57:27,793 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 165 transitions. [2023-11-29 03:57:27,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-29 03:57:27,794 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:57:27,794 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:57:27,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-29 03:57:27,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:57:27,994 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:57:27,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:57:27,995 INFO L85 PathProgramCache]: Analyzing trace with hash -934838939, now seen corresponding path program 1 times [2023-11-29 03:57:27,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:57:27,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454636082] [2023-11-29 03:57:27,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:27,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:57:28,032 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:57:28,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [336460184] [2023-11-29 03:57:28,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:28,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:57:28,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:57:28,034 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:57:28,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 03:57:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:57:28,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-29 03:57:28,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:57:29,751 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 404 proven. 78 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2023-11-29 03:57:29,751 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:57:31,817 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 30 proven. 81 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2023-11-29 03:57:31,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:57:31,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454636082] [2023-11-29 03:57:31,817 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:57:31,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336460184] [2023-11-29 03:57:31,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336460184] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:57:31,818 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:57:31,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 30 [2023-11-29 03:57:31,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003673026] [2023-11-29 03:57:31,819 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:57:31,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-11-29 03:57:31,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:57:31,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-11-29 03:57:31,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=682, Unknown=0, NotChecked=0, Total=870 [2023-11-29 03:57:31,822 INFO L87 Difference]: Start difference. First operand 115 states and 165 transitions. Second operand has 30 states, 29 states have (on average 3.0689655172413794) internal successors, (89), 30 states have internal predecessors, (89), 10 states have call successors, (40), 6 states have call predecessors, (40), 9 states have return successors, (40), 8 states have call predecessors, (40), 10 states have call successors, (40) [2023-11-29 03:57:46,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:57:46,793 INFO L93 Difference]: Finished difference Result 742 states and 1039 transitions. [2023-11-29 03:57:46,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-11-29 03:57:46,793 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 3.0689655172413794) internal successors, (89), 30 states have internal predecessors, (89), 10 states have call successors, (40), 6 states have call predecessors, (40), 9 states have return successors, (40), 8 states have call predecessors, (40), 10 states have call successors, (40) Word has length 137 [2023-11-29 03:57:46,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:57:46,797 INFO L225 Difference]: With dead ends: 742 [2023-11-29 03:57:46,797 INFO L226 Difference]: Without dead ends: 628 [2023-11-29 03:57:46,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3553 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=2268, Invalid=7434, Unknown=0, NotChecked=0, Total=9702 [2023-11-29 03:57:46,801 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 2016 mSDsluCounter, 1065 mSDsCounter, 0 mSdLazyCounter, 2354 mSolverCounterSat, 459 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2019 SdHoareTripleChecker+Valid, 1133 SdHoareTripleChecker+Invalid, 2813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 459 IncrementalHoareTripleChecker+Valid, 2354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:57:46,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2019 Valid, 1133 Invalid, 2813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [459 Valid, 2354 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2023-11-29 03:57:46,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2023-11-29 03:57:46,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 363. [2023-11-29 03:57:46,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 279 states have (on average 1.3333333333333333) internal successors, (372), 281 states have internal predecessors, (372), 66 states have call successors, (66), 17 states have call predecessors, (66), 17 states have return successors, (66), 64 states have call predecessors, (66), 66 states have call successors, (66) [2023-11-29 03:57:46,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 504 transitions. [2023-11-29 03:57:46,883 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 504 transitions. Word has length 137 [2023-11-29 03:57:46,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:57:46,883 INFO L495 AbstractCegarLoop]: Abstraction has 363 states and 504 transitions. [2023-11-29 03:57:46,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 3.0689655172413794) internal successors, (89), 30 states have internal predecessors, (89), 10 states have call successors, (40), 6 states have call predecessors, (40), 9 states have return successors, (40), 8 states have call predecessors, (40), 10 states have call successors, (40) [2023-11-29 03:57:46,884 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 504 transitions. [2023-11-29 03:57:46,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-29 03:57:46,885 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:57:46,886 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:57:46,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-29 03:57:47,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 03:57:47,086 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:57:47,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:57:47,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1521644953, now seen corresponding path program 1 times [2023-11-29 03:57:47,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:57:47,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630773926] [2023-11-29 03:57:47,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:47,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:57:47,114 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:57:47,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [732990742] [2023-11-29 03:57:47,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:47,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:57:47,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:57:47,116 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:57:47,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 03:57:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:57:47,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-29 03:57:47,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:57:48,023 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 502 proven. 114 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-29 03:57:48,023 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:58:02,874 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 (mod c_~last_1_var_1_10~0 65536))) (let ((.cse4 (div c_~var_1_5~0 c_~var_1_4~0)) (.cse0 (+ .cse5 1))) (let ((.cse2 (< .cse4 .cse0)) (.cse1 (= (mod c_~var_1_5~0 c_~var_1_4~0) 0)) (.cse3 (< c_~var_1_5~0 0))) (and (forall ((~var_1_23~0 Int)) (or (< (div c_~var_1_5~0 ~var_1_23~0) .cse0) (not (= (mod c_~var_1_5~0 ~var_1_23~0) 0)) (< c_~var_1_4~0 ~var_1_23~0) (= ~var_1_23~0 0))) (or (not .cse1) .cse2) (or .cse3 .cse2) (or (< c_~var_1_4~0 0) (< 0 (+ c_~var_1_5~0 1)) (< .cse4 .cse5) .cse1) (or .cse3 (forall ((~var_1_23~0 Int)) (or (< (div c_~var_1_5~0 ~var_1_23~0) .cse0) (< c_~var_1_4~0 ~var_1_23~0) (= ~var_1_23~0 0)))) (forall ((~var_1_23~0 Int)) (or (< c_~var_1_4~0 ~var_1_23~0) (= ~var_1_23~0 0) (< (div c_~var_1_5~0 ~var_1_23~0) (+ 2 .cse5)))) (<= .cse4 .cse0))))) is different from false [2023-11-29 03:58:02,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:58:02,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630773926] [2023-11-29 03:58:02,954 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:58:02,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732990742] [2023-11-29 03:58:02,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [732990742] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:58:02,954 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:58:02,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2023-11-29 03:58:02,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020665770] [2023-11-29 03:58:02,954 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 03:58:02,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 03:58:02,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:58:02,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 03:58:02,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=264, Unknown=1, NotChecked=34, Total=380 [2023-11-29 03:58:02,956 INFO L87 Difference]: Start difference. First operand 363 states and 504 transitions. Second operand has 17 states, 17 states have (on average 3.588235294117647) internal successors, (61), 15 states have internal predecessors, (61), 5 states have call successors, (20), 5 states have call predecessors, (20), 8 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) [2023-11-29 03:58:04,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:58:04,676 INFO L93 Difference]: Finished difference Result 693 states and 959 transitions. [2023-11-29 03:58:04,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 03:58:04,677 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.588235294117647) internal successors, (61), 15 states have internal predecessors, (61), 5 states have call successors, (20), 5 states have call predecessors, (20), 8 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) Word has length 137 [2023-11-29 03:58:04,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:58:04,681 INFO L225 Difference]: With dead ends: 693 [2023-11-29 03:58:04,681 INFO L226 Difference]: Without dead ends: 390 [2023-11-29 03:58:04,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=337, Invalid=998, Unknown=1, NotChecked=70, Total=1406 [2023-11-29 03:58:04,683 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 143 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:58:04,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 566 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 651 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 03:58:04,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2023-11-29 03:58:04,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 371. [2023-11-29 03:58:04,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 285 states have (on average 1.3192982456140352) internal successors, (376), 287 states have internal predecessors, (376), 66 states have call successors, (66), 19 states have call predecessors, (66), 19 states have return successors, (66), 64 states have call predecessors, (66), 66 states have call successors, (66) [2023-11-29 03:58:04,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 508 transitions. [2023-11-29 03:58:04,782 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 508 transitions. Word has length 137 [2023-11-29 03:58:04,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:58:04,782 INFO L495 AbstractCegarLoop]: Abstraction has 371 states and 508 transitions. [2023-11-29 03:58:04,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.588235294117647) internal successors, (61), 15 states have internal predecessors, (61), 5 states have call successors, (20), 5 states have call predecessors, (20), 8 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) [2023-11-29 03:58:04,783 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 508 transitions. [2023-11-29 03:58:04,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 03:58:04,785 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:58:04,785 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:58:04,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 03:58:04,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-29 03:58:04,986 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:58:04,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:58:04,986 INFO L85 PathProgramCache]: Analyzing trace with hash 313740293, now seen corresponding path program 1 times [2023-11-29 03:58:04,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:58:04,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950675999] [2023-11-29 03:58:04,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:58:04,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:58:05,010 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:58:05,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [861349560] [2023-11-29 03:58:05,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:58:05,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:58:05,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:58:05,012 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:58:05,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 03:58:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:58:05,176 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:58:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:58:05,324 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:58:05,324 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 03:58:05,325 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 03:58:05,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 03:58:05,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-29 03:58:05,529 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:58:05,532 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 03:58:05,620 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short20 could not be translated [2023-11-29 03:58:05,621 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short20 could not be translated [2023-11-29 03:58:05,621 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite19 could not be translated [2023-11-29 03:58:05,621 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite19 could not be translated [2023-11-29 03:58:05,622 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short20 could not be translated [2023-11-29 03:58:05,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:58:05 BoogieIcfgContainer [2023-11-29 03:58:05,646 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 03:58:05,647 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:58:05,647 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:58:05,647 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:58:05,648 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:57:23" (3/4) ... [2023-11-29 03:58:05,650 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 03:58:05,651 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:58:05,651 INFO L158 Benchmark]: Toolchain (without parser) took 43222.42ms. Allocated memory was 138.4MB in the beginning and 213.9MB in the end (delta: 75.5MB). Free memory was 98.2MB in the beginning and 113.4MB in the end (delta: -15.2MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. [2023-11-29 03:58:05,651 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 138.4MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:58:05,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.51ms. Allocated memory is still 138.4MB. Free memory was 98.2MB in the beginning and 81.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 03:58:05,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.81ms. Allocated memory is still 138.4MB. Free memory was 81.8MB in the beginning and 77.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 03:58:05,652 INFO L158 Benchmark]: Boogie Preprocessor took 68.33ms. Allocated memory is still 138.4MB. Free memory was 77.7MB in the beginning and 71.8MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 03:58:05,653 INFO L158 Benchmark]: RCFGBuilder took 682.70ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 71.8MB in the beginning and 138.6MB in the end (delta: -66.7MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2023-11-29 03:58:05,653 INFO L158 Benchmark]: TraceAbstraction took 42048.27ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 137.5MB in the beginning and 113.4MB in the end (delta: 24.1MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2023-11-29 03:58:05,653 INFO L158 Benchmark]: Witness Printer took 3.80ms. Allocated memory is still 213.9MB. Free memory is still 113.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:58:05,655 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 138.4MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.51ms. Allocated memory is still 138.4MB. Free memory was 98.2MB in the beginning and 81.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.81ms. Allocated memory is still 138.4MB. Free memory was 81.8MB in the beginning and 77.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.33ms. Allocated memory is still 138.4MB. Free memory was 77.7MB in the beginning and 71.8MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 682.70ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 71.8MB in the beginning and 138.6MB in the end (delta: -66.7MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * TraceAbstraction took 42048.27ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 137.5MB in the beginning and 113.4MB in the end (delta: 24.1MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * Witness Printer took 3.80ms. Allocated memory is still 213.9MB. Free memory is still 113.4MB. 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~short20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short20 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 183, overapproximation of someBinaryDOUBLEComparisonOperation at line 183, overapproximation of someBinaryArithmeticFLOAToperation at line 75, overapproximation of someUnaryFLOAToperation at line 100. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 2; [L23] unsigned char var_1_2 = 0; [L24] signed char var_1_3 = 10; [L25] signed char var_1_4 = 64; [L26] signed char var_1_5 = 5; [L27] double var_1_7 = 4.175; [L28] unsigned char var_1_9 = 100; [L29] unsigned short int var_1_10 = 128; [L30] float var_1_11 = 10.6; [L31] float var_1_12 = 16.25; [L32] float var_1_13 = 0.0; [L33] float var_1_14 = 127.2; [L34] double var_1_15 = 0.75; [L35] unsigned char var_1_18 = 1; [L36] unsigned char var_1_19 = 1; [L37] signed char var_1_20 = 1; [L38] signed short int var_1_21 = -1; [L39] unsigned long int var_1_22 = 1000000000; [L40] signed long int var_1_23 = -50; [L41] unsigned long int var_1_24 = 3900988395; [L42] unsigned long int var_1_25 = 2230016845; [L43] unsigned long int var_1_26 = 256; [L44] unsigned long int var_1_27 = 4; [L45] signed char var_1_29 = 8; [L46] signed long int last_1_var_1_1 = 2; [L47] unsigned char last_1_var_1_9 = 100; [L48] unsigned short int last_1_var_1_10 = 128; [L49] double last_1_var_1_15 = 0.75; [L50] signed short int last_1_var_1_21 = -1; [L51] unsigned long int last_1_var_1_22 = 1000000000; [L52] unsigned long int last_1_var_1_27 = 4; [L53] signed char last_1_var_1_29 = 8; [L187] isInitial = 1 [L188] FCALL initially() [L189] COND TRUE 1 [L190] CALL updateLastVariables() [L173] last_1_var_1_1 = var_1_1 [L174] last_1_var_1_9 = var_1_9 [L175] last_1_var_1_10 = var_1_10 [L176] last_1_var_1_15 = var_1_15 [L177] last_1_var_1_21 = var_1_21 [L178] last_1_var_1_22 = var_1_22 [L179] last_1_var_1_27 = var_1_27 [L180] last_1_var_1_29 = var_1_29 [L190] RET updateLastVariables() [L191] CALL updateVariables() [L140] var_1_2 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_3=10, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_3=10, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L141] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_3=10, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L142] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=10, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=10, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L142] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=10, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L143] var_1_3 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_3 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L144] RET assume_abort_if_not(var_1_3 >= -1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L145] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L145] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L146] var_1_4 = __VERIFIER_nondet_char() [L147] CALL assume_abort_if_not(var_1_4 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=5, var_1_7=167/40, var_1_9=100] [L147] RET assume_abort_if_not(var_1_4 >= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=5, var_1_7=167/40, var_1_9=100] [L148] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=5, var_1_7=167/40, var_1_9=100] [L148] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=5, var_1_7=167/40, var_1_9=100] [L149] var_1_5 = __VERIFIER_nondet_char() [L150] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L150] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L151] CALL assume_abort_if_not(var_1_5 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L151] RET assume_abort_if_not(var_1_5 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L152] var_1_12 = __VERIFIER_nondet_float() [L153] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L153] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L154] var_1_13 = __VERIFIER_nondet_float() [L155] CALL assume_abort_if_not((var_1_13 >= 6917529.027641073700e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L155] RET assume_abort_if_not((var_1_13 >= 6917529.027641073700e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L156] var_1_14 = __VERIFIER_nondet_float() [L157] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L157] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L158] var_1_19 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_19 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L159] RET assume_abort_if_not(var_1_19 >= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L160] CALL assume_abort_if_not(var_1_19 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L160] RET assume_abort_if_not(var_1_19 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L161] var_1_23 = __VERIFIER_nondet_long() [L162] CALL assume_abort_if_not(var_1_23 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=17, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=17, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L162] RET assume_abort_if_not(var_1_23 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=17, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L163] CALL assume_abort_if_not(var_1_23 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=17, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=17, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L163] RET assume_abort_if_not(var_1_23 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=17, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L164] CALL assume_abort_if_not(var_1_23 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=17, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=17, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L164] RET assume_abort_if_not(var_1_23 != 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=17, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L165] var_1_24 = __VERIFIER_nondet_ulong() [L166] CALL assume_abort_if_not(var_1_24 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=17, var_1_24=2147483647, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=17, var_1_24=2147483647, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L166] RET assume_abort_if_not(var_1_24 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=17, var_1_24=2147483647, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L167] CALL assume_abort_if_not(var_1_24 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=17, var_1_24=2147483647, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=17, var_1_24=2147483647, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L167] RET assume_abort_if_not(var_1_24 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=17, var_1_24=2147483647, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L168] var_1_25 = __VERIFIER_nondet_ulong() [L169] CALL assume_abort_if_not(var_1_25 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L169] RET assume_abort_if_not(var_1_25 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L170] CALL assume_abort_if_not(var_1_25 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L170] RET assume_abort_if_not(var_1_25 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L191] RET updateVariables() [L192] CALL step() [L57] signed long int stepLocal_3 = last_1_var_1_1 * last_1_var_1_29; VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_3=16, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L58] COND TRUE var_1_5 == stepLocal_3 [L59] var_1_21 = ((var_1_4 - last_1_var_1_1) + ((((last_1_var_1_22) < 0 ) ? -(last_1_var_1_22) : (last_1_var_1_22)))) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_3=16, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-13763, var_1_22=1000000000, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L63] signed long int stepLocal_4 = last_1_var_1_10; VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_3=16, stepLocal_4=128, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-13763, var_1_22=1000000000, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L64] COND TRUE (var_1_5 / ((((var_1_4) < (var_1_23)) ? (var_1_4) : (var_1_23)))) <= stepLocal_4 VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_3=16, stepLocal_4=128, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-13763, var_1_22=1000000000, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L65] COND TRUE \read(var_1_19) [L66] var_1_22 = (var_1_24 - (last_1_var_1_9 + var_1_4)) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_3=16, stepLocal_4=128, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-13763, var_1_22=2147483484, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L71] COND TRUE last_1_var_1_15 < (- var_1_14) [L72] var_1_18 = (var_1_2 || var_1_19) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_3=16, stepLocal_4=128, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-13763, var_1_22=2147483484, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L74] var_1_10 = ((((var_1_5) < (var_1_4)) ? (var_1_5) : (var_1_4))) [L75] var_1_11 = (var_1_12 - ((((var_1_14) < (var_1_13)) ? (var_1_14) : (var_1_13)))) [L76] var_1_20 = var_1_5 VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_3=16, stepLocal_4=128, var_1_10=16, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13763, var_1_22=2147483484, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=100] [L77] COND TRUE var_1_21 != 10 [L78] var_1_9 = ((((var_1_4) > (2)) ? (var_1_4) : (2))) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_3=16, stepLocal_4=128, var_1_10=16, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13763, var_1_22=2147483484, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=63] [L90] signed short int stepLocal_2 = var_1_21; [L91] unsigned long int stepLocal_1 = var_1_22; VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_1=2147483484, stepLocal_2=-13763, stepLocal_3=16, stepLocal_4=128, var_1_10=16, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13763, var_1_22=2147483484, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=63] [L92] COND FALSE !((var_1_9 * (var_1_4 * var_1_5)) < stepLocal_2) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_1=2147483484, stepLocal_2=-13763, stepLocal_3=16, stepLocal_4=128, var_1_10=16, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13763, var_1_22=2147483484, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=63] [L99] COND TRUE \read(var_1_18) [L100] var_1_15 = ((((((((var_1_14) > (var_1_12)) ? (var_1_14) : (var_1_12)))) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? (((((var_1_14) > (var_1_12)) ? (var_1_14) : (var_1_12)))) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_1=2147483484, stepLocal_2=-13763, stepLocal_3=16, stepLocal_4=128, var_1_10=16, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=2, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13763, var_1_22=2147483484, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=63] [L112] signed long int stepLocal_0 = 500 * var_1_10; VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_0=8000, stepLocal_1=2147483484, stepLocal_2=-13763, stepLocal_3=16, stepLocal_4=128, var_1_10=16, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=2, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13763, var_1_22=2147483484, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=63] [L113] COND TRUE \read(var_1_18) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_0=8000, stepLocal_1=2147483484, stepLocal_2=-13763, stepLocal_3=16, stepLocal_4=128, var_1_10=16, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=2, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13763, var_1_22=2147483484, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=63] [L114] COND FALSE !((var_1_3 - (var_1_4 - var_1_5)) >= stepLocal_0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_0=8000, stepLocal_1=2147483484, stepLocal_2=-13763, stepLocal_3=16, stepLocal_4=128, var_1_10=16, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=2, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13763, var_1_22=2147483484, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=63] [L120] COND TRUE var_1_18 && var_1_19 [L121] var_1_27 = ((((var_1_5) < (((var_1_4 + var_1_1) + var_1_1))) ? (var_1_5) : (((var_1_4 + var_1_1) + var_1_1)))) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_0=8000, stepLocal_1=2147483484, stepLocal_2=-13763, stepLocal_3=16, stepLocal_4=128, var_1_10=16, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=2, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13763, var_1_22=2147483484, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=16, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=63] [L123] COND FALSE !((var_1_13 - var_1_14) <= var_1_12) [L126] var_1_26 = ((((var_1_27 + ((((var_1_9) > (var_1_5)) ? (var_1_9) : (var_1_5)))) < 0 ) ? -(var_1_27 + ((((var_1_9) > (var_1_5)) ? (var_1_9) : (var_1_5)))) : (var_1_27 + ((((var_1_9) > (var_1_5)) ? (var_1_9) : (var_1_5)))))) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_0=8000, stepLocal_1=2147483484, stepLocal_2=-13763, stepLocal_3=16, stepLocal_4=128, var_1_10=16, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=2, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13763, var_1_22=2147483484, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=79, var_1_27=16, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=63] [L128] unsigned char stepLocal_5 = var_1_13 < var_1_15; VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_0=8000, stepLocal_1=2147483484, stepLocal_2=-13763, stepLocal_3=16, stepLocal_4=128, stepLocal_5=1, var_1_10=16, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=2, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13763, var_1_22=2147483484, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=79, var_1_27=16, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=63] [L129] COND TRUE var_1_18 || stepLocal_5 VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_0=8000, stepLocal_1=2147483484, stepLocal_2=-13763, stepLocal_3=16, stepLocal_4=128, stepLocal_5=1, var_1_10=16, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=2, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13763, var_1_22=2147483484, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=79, var_1_27=16, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=63] [L130] COND TRUE (((((var_1_7 / var_1_13)) > (99.6f)) ? ((var_1_7 / var_1_13)) : (99.6f))) != var_1_15 [L131] var_1_29 = (var_1_5 - 10) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_0=8000, stepLocal_1=2147483484, stepLocal_2=-13763, stepLocal_3=16, stepLocal_4=128, stepLocal_5=1, var_1_10=16, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=2, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13763, var_1_22=2147483484, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=79, var_1_27=16, var_1_29=6, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=63] [L192] RET step() [L193] CALL, EXPR property() [L183] EXPR (var_1_18 ? (((var_1_3 - (var_1_4 - var_1_5)) >= (500 * var_1_10)) ? (var_1_1 == ((signed long int) var_1_4)) : 1) : (var_1_1 == ((signed long int) var_1_4))) && (((var_1_9 * (var_1_4 * var_1_5)) < var_1_21) ? ((var_1_22 != (var_1_5 | (var_1_9 ^ var_1_4))) ? (var_1_18 ? (var_1_7 == ((double) 8.5)) : 1) : 1) : 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=16, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=2, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13763, var_1_22=2147483484, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=79, var_1_27=16, var_1_29=6, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=63] [L183] EXPR ((var_1_9 * (var_1_4 * var_1_5)) < var_1_21) ? ((var_1_22 != (var_1_5 | (var_1_9 ^ var_1_4))) ? (var_1_18 ? (var_1_7 == ((double) 8.5)) : 1) : 1) : 1 VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=16, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=2, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13763, var_1_22=2147483484, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=79, var_1_27=16, var_1_29=6, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=63] [L183] EXPR (var_1_18 ? (((var_1_3 - (var_1_4 - var_1_5)) >= (500 * var_1_10)) ? (var_1_1 == ((signed long int) var_1_4)) : 1) : (var_1_1 == ((signed long int) var_1_4))) && (((var_1_9 * (var_1_4 * var_1_5)) < var_1_21) ? ((var_1_22 != (var_1_5 | (var_1_9 ^ var_1_4))) ? (var_1_18 ? (var_1_7 == ((double) 8.5)) : 1) : 1) : 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=16, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=2, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13763, var_1_22=2147483484, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=79, var_1_27=16, var_1_29=6, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=63] [L183-L184] return ((((((((((((var_1_18 ? (((var_1_3 - (var_1_4 - var_1_5)) >= (500 * var_1_10)) ? (var_1_1 == ((signed long int) var_1_4)) : 1) : (var_1_1 == ((signed long int) var_1_4))) && (((var_1_9 * (var_1_4 * var_1_5)) < var_1_21) ? ((var_1_22 != (var_1_5 | (var_1_9 ^ var_1_4))) ? (var_1_18 ? (var_1_7 == ((double) 8.5)) : 1) : 1) : 1)) && ((var_1_21 != 10) ? (var_1_9 == ((unsigned char) ((((var_1_4) > (2)) ? (var_1_4) : (2))))) : ((var_1_22 > (var_1_21 / 128)) ? (var_1_18 ? (var_1_9 == ((unsigned char) var_1_4)) : (var_1_9 == ((unsigned char) var_1_5))) : (var_1_9 == ((unsigned char) var_1_4))))) && (var_1_10 == ((unsigned short int) ((((var_1_5) < (var_1_4)) ? (var_1_5) : (var_1_4)))))) && (var_1_11 == ((float) (var_1_12 - ((((var_1_14) < (var_1_13)) ? (var_1_14) : (var_1_13))))))) && (var_1_18 ? (var_1_15 == ((double) ((((((((var_1_14) > (var_1_12)) ? (var_1_14) : (var_1_12)))) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? (((((var_1_14) > (var_1_12)) ? (var_1_14) : (var_1_12)))) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : ((var_1_22 < var_1_4) ? ((var_1_18 || var_1_18) ? (var_1_15 == ((double) var_1_14)) : (var_1_15 == ((double) var_1_14))) : (var_1_15 == ((double) var_1_13))))) && ((last_1_var_1_15 < (- var_1_14)) ? (var_1_18 == ((unsigned char) (var_1_2 || var_1_19))) : 1)) && (var_1_20 == ((signed char) var_1_5))) && ((var_1_5 == (last_1_var_1_1 * last_1_var_1_29)) ? (var_1_21 == ((signed short int) ((var_1_4 - last_1_var_1_1) + ((((last_1_var_1_22) < 0 ) ? -(last_1_var_1_22) : (last_1_var_1_22)))))) : (var_1_21 == ((signed short int) ((((last_1_var_1_21) > (var_1_4)) ? (last_1_var_1_21) : (var_1_4))))))) && (((var_1_5 / ((((var_1_4) < (var_1_23)) ? (var_1_4) : (var_1_23)))) <= last_1_var_1_10) ? (var_1_19 ? (var_1_22 == ((unsigned long int) (var_1_24 - (last_1_var_1_9 + var_1_4)))) : (var_1_22 == ((unsigned long int) (((((((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))) - (last_1_var_1_9 + last_1_var_1_27))) < (((((last_1_var_1_10) > (((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) ? (last_1_var_1_10) : (((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5)))))))) ? ((((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))) - (last_1_var_1_9 + last_1_var_1_27))) : (((((last_1_var_1_10) > (((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) ? (last_1_var_1_10) : (((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5)))))))))))) : 1)) && (((var_1_13 - var_1_14) <= var_1_12) ? (var_1_26 == ((unsigned long int) (var_1_25 - var_1_27))) : (var_1_26 == ((unsigned long int) ((((var_1_27 + ((((var_1_9) > (var_1_5)) ? (var_1_9) : (var_1_5)))) < 0 ) ? -(var_1_27 + ((((var_1_9) > (var_1_5)) ? (var_1_9) : (var_1_5)))) : (var_1_27 + ((((var_1_9) > (var_1_5)) ? (var_1_9) : (var_1_5)))))))))) && ((var_1_18 && var_1_19) ? (var_1_27 == ((unsigned long int) ((((var_1_5) < (((var_1_4 + var_1_1) + var_1_1))) ? (var_1_5) : (((var_1_4 + var_1_1) + var_1_1)))))) : 1)) && ((var_1_18 || (var_1_13 < var_1_15)) ? (((((((var_1_7 / var_1_13)) > (99.6f)) ? ((var_1_7 / var_1_13)) : (99.6f))) != var_1_15) ? (var_1_29 == ((signed char) (var_1_5 - 10))) : (var_1_29 == ((signed char) var_1_5))) : (var_1_29 == ((signed char) var_1_5))) ; [L193] RET, EXPR property() [L193] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=16, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=2, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13763, var_1_22=2147483484, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=79, var_1_27=16, var_1_29=6, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=63] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=16, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=2, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13763, var_1_22=2147483484, var_1_23=17, var_1_24=2147483647, var_1_25=4294967294, var_1_26=79, var_1_27=16, var_1_29=6, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=16, var_1_7=167/40, var_1_9=63] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 83 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 41.9s, OverallIterations: 8, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 18.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2808 SdHoareTripleChecker+Valid, 9.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2804 mSDsluCounter, 3429 SdHoareTripleChecker+Invalid, 8.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2616 mSDsCounter, 624 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3647 IncrementalHoareTripleChecker+Invalid, 4271 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 624 mSolverCounterUnsat, 813 mSDtfsCounter, 3647 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1368 GetRequests, 1206 SyntacticMatches, 1 SemanticMatches, 161 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 3838 ImplicationChecksByTransitivity, 15.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=371occurred in iteration=7, InterpolantAutomatonStates: 128, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 348 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 19.9s InterpolantComputationTime, 1216 NumberOfCodeBlocks, 1216 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1209 ConstructedInterpolants, 0 QuantifiedInterpolants, 6582 SizeOfPredicates, 37 NumberOfNonLiveVariables, 2520 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 9 InterpolantComputations, 4 PerfectInterpolantSequences, 6519/6840 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 03:58:05,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/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_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/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_6c90e2fe-004c-4781-8548-99238129cd8d/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 f4da2059a4cb972f9fd86e1b50a915414e86a3432d84cf94afece8f8e6c08d77 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:58:07,603 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:58:07,681 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 03:58:07,687 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:58:07,688 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:58:07,716 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:58:07,717 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:58:07,718 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:58:07,719 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:58:07,719 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:58:07,720 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:58:07,720 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:58:07,721 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:58:07,722 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:58:07,722 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:58:07,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:58:07,724 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:58:07,724 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:58:07,725 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:58:07,725 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:58:07,726 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:58:07,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:58:07,727 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:58:07,728 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 03:58:07,728 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 03:58:07,729 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 03:58:07,729 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:58:07,729 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:58:07,730 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:58:07,730 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:58:07,731 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:58:07,731 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:58:07,731 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:58:07,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:58:07,732 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:58:07,732 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:58:07,733 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:58:07,733 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 03:58:07,733 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 03:58:07,734 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:58:07,734 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:58:07,734 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:58:07,735 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:58:07,735 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:58:07,735 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 03:58:07,735 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_6c90e2fe-004c-4781-8548-99238129cd8d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4da2059a4cb972f9fd86e1b50a915414e86a3432d84cf94afece8f8e6c08d77 [2023-11-29 03:58:08,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:58:08,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:58:08,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:58:08,051 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:58:08,052 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:58:08,053 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-37.i [2023-11-29 03:58:10,867 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:58:11,078 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:58:11,078 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-37.i [2023-11-29 03:58:11,089 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/data/e0b9f1b8d/bae17383a3d9459091a4226062f2b349/FLAGdc5c6d664 [2023-11-29 03:58:11,104 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/data/e0b9f1b8d/bae17383a3d9459091a4226062f2b349 [2023-11-29 03:58:11,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:58:11,108 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:58:11,109 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:58:11,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:58:11,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:58:11,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:58:11" (1/1) ... [2023-11-29 03:58:11,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@171aff56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:58:11, skipping insertion in model container [2023-11-29 03:58:11,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:58:11" (1/1) ... [2023-11-29 03:58:11,155 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:58:11,302 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_6c90e2fe-004c-4781-8548-99238129cd8d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-37.i[916,929] [2023-11-29 03:58:11,372 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:58:11,388 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:58:11,400 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_6c90e2fe-004c-4781-8548-99238129cd8d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-37.i[916,929] [2023-11-29 03:58:11,447 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:58:11,466 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:58:11,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:58:11 WrapperNode [2023-11-29 03:58:11,467 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:58:11,468 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:58:11,468 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:58:11,468 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:58:11,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:58:11" (1/1) ... [2023-11-29 03:58:11,490 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:58:11" (1/1) ... [2023-11-29 03:58:11,522 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 177 [2023-11-29 03:58:11,523 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:58:11,524 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:58:11,524 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:58:11,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:58:11,535 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:58:11" (1/1) ... [2023-11-29 03:58:11,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:58:11" (1/1) ... [2023-11-29 03:58:11,541 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:58:11" (1/1) ... [2023-11-29 03:58:11,557 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 03:58:11,557 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:58:11" (1/1) ... [2023-11-29 03:58:11,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:58:11" (1/1) ... [2023-11-29 03:58:11,570 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:58:11" (1/1) ... [2023-11-29 03:58:11,575 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:58:11" (1/1) ... [2023-11-29 03:58:11,579 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:58:11" (1/1) ... [2023-11-29 03:58:11,581 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:58:11" (1/1) ... [2023-11-29 03:58:11,586 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:58:11,588 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:58:11,588 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:58:11,588 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:58:11,589 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:58:11" (1/1) ... [2023-11-29 03:58:11,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:58:11,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:58:11,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:58:11,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:58:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:58:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 03:58:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 03:58:11,655 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 03:58:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:58:11,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:58:11,746 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:58:11,748 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:58:26,731 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:58:26,788 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:58:26,788 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 03:58:26,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:58:26 BoogieIcfgContainer [2023-11-29 03:58:26,789 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:58:26,799 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:58:26,799 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:58:26,802 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:58:26,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:58:11" (1/3) ... [2023-11-29 03:58:26,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6552b7e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:58:26, skipping insertion in model container [2023-11-29 03:58:26,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:58:11" (2/3) ... [2023-11-29 03:58:26,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6552b7e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:58:26, skipping insertion in model container [2023-11-29 03:58:26,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:58:26" (3/3) ... [2023-11-29 03:58:26,804 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-37.i [2023-11-29 03:58:26,818 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:58:26,819 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 03:58:26,861 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:58:26,866 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;@54005233, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:58:26,866 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 03:58:26,870 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 45 states have (on average 1.5333333333333334) internal successors, (69), 46 states have internal predecessors, (69), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 03:58:26,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 03:58:26,885 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:58:26,886 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:58:26,887 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:58:26,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:58:26,892 INFO L85 PathProgramCache]: Analyzing trace with hash 646876174, now seen corresponding path program 1 times [2023-11-29 03:58:26,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:58:26,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1119572508] [2023-11-29 03:58:26,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:58:26,905 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 03:58:26,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:58:26,907 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/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 03:58:26,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/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 03:58:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:58:27,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 03:58:27,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:58:27,978 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2023-11-29 03:58:27,978 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:58:27,979 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:58:27,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1119572508] [2023-11-29 03:58:27,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1119572508] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:58:27,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:58:27,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:58:27,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44791640] [2023-11-29 03:58:27,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:58:27,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 03:58:27,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:58:28,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 03:58:28,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:58:28,023 INFO L87 Difference]: Start difference. First operand has 68 states, 45 states have (on average 1.5333333333333334) internal successors, (69), 46 states have internal predecessors, (69), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 03:58:33,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:58:33,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:58:33,275 INFO L93 Difference]: Finished difference Result 133 states and 236 transitions. [2023-11-29 03:58:33,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 03:58:33,519 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 131 [2023-11-29 03:58:33,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:58:33,527 INFO L225 Difference]: With dead ends: 133 [2023-11-29 03:58:33,528 INFO L226 Difference]: Without dead ends: 66 [2023-11-29 03:58:33,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 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 03:58:33,536 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:58:33,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2023-11-29 03:58:33,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-29 03:58:33,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-29 03:58:33,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 44 states have internal predecessors, (64), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 03:58:33,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 104 transitions. [2023-11-29 03:58:33,586 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 104 transitions. Word has length 131 [2023-11-29 03:58:33,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:58:33,586 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 104 transitions. [2023-11-29 03:58:33,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 03:58:33,587 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 104 transitions. [2023-11-29 03:58:33,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 03:58:33,591 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:58:33,591 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:58:33,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/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 03:58:33,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/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 03:58:33,792 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:58:33,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:58:33,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1145182766, now seen corresponding path program 1 times [2023-11-29 03:58:33,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:58:33,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [390748568] [2023-11-29 03:58:33,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:58:33,794 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 03:58:33,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:58:33,795 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/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 03:58:33,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/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 03:58:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:58:34,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 03:58:34,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:58:43,759 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2023-11-29 03:58:43,759 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:58:51,661 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:58:51,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [390748568] [2023-11-29 03:58:51,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [390748568] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:58:51,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [275854991] [2023-11-29 03:58:51,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:58:51,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 03:58:51,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 03:58:51,677 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 03:58:51,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-29 03:58:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:58:52,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:58:52,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:58:52,633 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 03:58:52,633 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:58:52,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [275854991] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:58:52,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:58:52,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2023-11-29 03:58:52,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029457464] [2023-11-29 03:58:52,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:58:52,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:58:52,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:58:52,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:58:52,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:58:52,637 INFO L87 Difference]: Start difference. First operand 66 states and 104 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 03:58:58,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:59:02,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:59:06,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:59:06,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:59:06,687 INFO L93 Difference]: Finished difference Result 193 states and 304 transitions. [2023-11-29 03:59:06,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:59:06,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 131 [2023-11-29 03:59:06,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:59:06,692 INFO L225 Difference]: With dead ends: 193 [2023-11-29 03:59:06,692 INFO L226 Difference]: Without dead ends: 128 [2023-11-29 03:59:06,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:59:06,695 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 86 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 10 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:59:06,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 195 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 19 Invalid, 3 Unknown, 0 Unchecked, 14.0s Time] [2023-11-29 03:59:06,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2023-11-29 03:59:06,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2023-11-29 03:59:06,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 83 states have (on average 1.3855421686746987) internal successors, (115), 83 states have internal predecessors, (115), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 03:59:06,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 195 transitions. [2023-11-29 03:59:06,724 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 195 transitions. Word has length 131 [2023-11-29 03:59:06,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:59:06,725 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 195 transitions. [2023-11-29 03:59:06,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 03:59:06,726 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 195 transitions. [2023-11-29 03:59:06,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 03:59:06,729 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:59:06,729 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:59:06,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-29 03:59:06,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 03:59:07,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/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 03:59:07,132 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:59:07,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:59:07,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1406446241, now seen corresponding path program 1 times [2023-11-29 03:59:07,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:59:07,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1548528112] [2023-11-29 03:59:07,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:59:07,134 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 03:59:07,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:59:07,135 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/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 03:59:07,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/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 (5)] Waiting until timeout for monitored process [2023-11-29 03:59:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:59:08,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 03:59:08,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:59:16,918 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2023-11-29 03:59:16,919 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:59:25,634 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:59:25,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1548528112] [2023-11-29 03:59:25,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1548528112] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:59:25,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [170951914] [2023-11-29 03:59:25,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:59:25,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 03:59:25,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 03:59:25,636 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 03:59:25,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-29 03:59:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:59:28,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:59:28,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:59:30,896 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 393 proven. 24 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2023-11-29 03:59:30,896 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:59:33,283 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 33 proven. 24 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-29 03:59:33,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [170951914] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:59:33,283 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:59:33,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2023-11-29 03:59:33,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745706662] [2023-11-29 03:59:33,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:59:33,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 03:59:33,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:59:33,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 03:59:33,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2023-11-29 03:59:33,287 INFO L87 Difference]: Start difference. First operand 126 states and 195 transitions. Second operand has 14 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 states have internal predecessors, (81), 4 states have call successors, (48), 4 states have call predecessors, (48), 7 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2023-11-29 03:59:44,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.78s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:59:48,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:59:52,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:59:56,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.86s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:00:01,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:00:05,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:00:09,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:00:13,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.88s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:00:18,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:00:22,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:00:26,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:00:30,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:00:35,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:00:39,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:00:49,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.82s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:00:53,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:00:58,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:01:02,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:01:07,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:01:11,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:01:15,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:01:19,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:01:23,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:01:27,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:01:31,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:01:35,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:01:35,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:35,698 INFO L93 Difference]: Finished difference Result 278 states and 413 transitions. [2023-11-29 04:01:35,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 04:01:35,977 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 states have internal predecessors, (81), 4 states have call successors, (48), 4 states have call predecessors, (48), 7 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 132 [2023-11-29 04:01:35,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:35,980 INFO L225 Difference]: With dead ends: 278 [2023-11-29 04:01:35,980 INFO L226 Difference]: Without dead ends: 153 [2023-11-29 04:01:35,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 482 GetRequests, 450 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=298, Invalid=758, Unknown=0, NotChecked=0, Total=1056 [2023-11-29 04:01:35,984 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 482 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 328 mSolverCounterUnsat, 24 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 115.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 328 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 24 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 117.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:35,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 298 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [328 Valid, 334 Invalid, 24 Unknown, 0 Unchecked, 117.0s Time] [2023-11-29 04:01:35,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2023-11-29 04:01:36,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 117. [2023-11-29 04:01:36,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 71 states have (on average 1.1830985915492958) internal successors, (84), 71 states have internal predecessors, (84), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 04:01:36,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 164 transitions. [2023-11-29 04:01:36,010 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 164 transitions. Word has length 132 [2023-11-29 04:01:36,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:36,011 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 164 transitions. [2023-11-29 04:01:36,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 states have internal predecessors, (81), 4 states have call successors, (48), 4 states have call predecessors, (48), 7 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2023-11-29 04:01:36,012 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 164 transitions. [2023-11-29 04:01:36,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 04:01:36,014 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:36,014 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:01:36,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/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 (5)] Ended with exit code 0 [2023-11-29 04:01:36,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-11-29 04:01:36,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/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=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 04:01:36,415 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:36,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:36,416 INFO L85 PathProgramCache]: Analyzing trace with hash 162180345, now seen corresponding path program 1 times [2023-11-29 04:01:36,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:01:36,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1165236959] [2023-11-29 04:01:36,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:36,416 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 04:01:36,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:01:36,417 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/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 04:01:36,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/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 (7)] Waiting until timeout for monitored process [2023-11-29 04:01:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:37,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 04:01:37,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:01:51,241 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 356 proven. 111 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2023-11-29 04:01:51,241 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:01:56,017 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:01:56,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1165236959] [2023-11-29 04:01:56,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1165236959] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:01:56,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1187461098] [2023-11-29 04:01:56,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:56,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 04:01:56,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 04:01:56,019 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 04:01:56,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-29 04:02:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:00,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 04:02:00,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:02:13,923 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 267 proven. 45 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2023-11-29 04:02:13,923 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:02:31,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1187461098] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:02:31,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:02:31,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 24 [2023-11-29 04:02:31,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338985699] [2023-11-29 04:02:31,836 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:02:31,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-29 04:02:31,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:02:31,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-29 04:02:31,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=969, Unknown=0, NotChecked=0, Total=1122 [2023-11-29 04:02:31,839 INFO L87 Difference]: Start difference. First operand 117 states and 164 transitions. Second operand has 25 states, 25 states have (on average 3.4) internal successors, (85), 23 states have internal predecessors, (85), 6 states have call successors, (40), 6 states have call predecessors, (40), 9 states have return successors, (40), 6 states have call predecessors, (40), 6 states have call successors, (40) [2023-11-29 04:02:52,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.78s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:02:56,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:03:00,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:03:04,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:03:08,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:03:12,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.75s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:03:18,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:03:22,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:03:29,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:03:33,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:03:37,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:03:41,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:03:45,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:03:49,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:03:50,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:03:56,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.99s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:04:00,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:04:04,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:04:08,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:04:12,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:04:16,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:04:18,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:04:24,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.99s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:04:28,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:04:32,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:04:37,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:04:41,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:04:43,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:04:49,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.80s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:04:53,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:04:54,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:05:00,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:05:04,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:05:08,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:05:12,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:05:16,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:05:20,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:05:24,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:05:28,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:05:32,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:05:36,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:05:40,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:05:44,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:05:48,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:05:52,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:05:56,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:06:00,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:06:04,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:06:08,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:06:14,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:06:18,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:06:22,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:06:26,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:06:30,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:06:34,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:06:38,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:06:42,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:06:46,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:06:50,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:06:54,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:06:58,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:07:02,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:07:06,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:07:10,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:07:20,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.81s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:07:24,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:07:28,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:07:33,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.98s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:07:37,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:07:42,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:07:46,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:07:50,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:07:54,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:07:58,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:08:02,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:08:06,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:08:10,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:08:14,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:08:18,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:08:22,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:08:26,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:08:30,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:08:32,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:08:33,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:08:33,544 INFO L93 Difference]: Finished difference Result 266 states and 358 transitions. [2023-11-29 04:08:33,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-29 04:08:33,846 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.4) internal successors, (85), 23 states have internal predecessors, (85), 6 states have call successors, (40), 6 states have call predecessors, (40), 9 states have return successors, (40), 6 states have call predecessors, (40), 6 states have call successors, (40) Word has length 133 [2023-11-29 04:08:33,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:08:33,848 INFO L225 Difference]: With dead ends: 266 [2023-11-29 04:08:33,848 INFO L226 Difference]: Without dead ends: 198 [2023-11-29 04:08:33,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 838 ImplicationChecksByTransitivity, 35.5s TimeCoverageRelationStatistics Valid=682, Invalid=2624, Unknown=0, NotChecked=0, Total=3306 [2023-11-29 04:08:33,851 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 384 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 860 mSolverCounterSat, 122 mSolverCounterUnsat, 76 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 348.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 860 IncrementalHoareTripleChecker+Invalid, 76 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 351.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:08:33,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 844 Invalid, 1058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 860 Invalid, 76 Unknown, 0 Unchecked, 351.9s Time] [2023-11-29 04:08:33,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2023-11-29 04:08:33,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 163. [2023-11-29 04:08:33,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 109 states have (on average 1.18348623853211) internal successors, (129), 110 states have internal predecessors, (129), 44 states have call successors, (44), 9 states have call predecessors, (44), 9 states have return successors, (44), 43 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-29 04:08:33,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 217 transitions. [2023-11-29 04:08:33,883 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 217 transitions. Word has length 133 [2023-11-29 04:08:33,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:08:33,884 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 217 transitions. [2023-11-29 04:08:33,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.4) internal successors, (85), 23 states have internal predecessors, (85), 6 states have call successors, (40), 6 states have call predecessors, (40), 9 states have return successors, (40), 6 states have call predecessors, (40), 6 states have call successors, (40) [2023-11-29 04:08:33,884 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 217 transitions. [2023-11-29 04:08:33,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 04:08:33,887 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:08:33,887 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:08:33,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/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 (7)] Ended with exit code 0 [2023-11-29 04:08:34,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-11-29 04:08:34,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/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=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 04:08:34,291 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:08:34,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:08:34,291 INFO L85 PathProgramCache]: Analyzing trace with hash -655468105, now seen corresponding path program 1 times [2023-11-29 04:08:34,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:08:34,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1443184442] [2023-11-29 04:08:34,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:08:34,292 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 04:08:34,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:08:34,293 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/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 04:08:34,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/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 (9)] Waiting until timeout for monitored process [2023-11-29 04:08:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:36,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 04:08:36,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:08:48,360 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 502 proven. 114 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-29 04:08:48,360 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:08:59,303 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:08:59,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1443184442] [2023-11-29 04:08:59,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1443184442] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:08:59,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [839030311] [2023-11-29 04:08:59,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:08:59,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 04:08:59,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 04:08:59,306 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 04:08:59,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c90e2fe-004c-4781-8548-99238129cd8d/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-29 04:09:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:03,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 04:09:03,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:09:10,300 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 338 proven. 81 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2023-11-29 04:09:10,300 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:09:17,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [839030311] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:09:17,181 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:09:17,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 10] total 17 [2023-11-29 04:09:17,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257916467] [2023-11-29 04:09:17,181 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:09:17,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-29 04:09:17,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:09:17,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-29 04:09:17,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=346, Unknown=0, NotChecked=0, Total=462 [2023-11-29 04:09:17,183 INFO L87 Difference]: Start difference. First operand 163 states and 217 transitions. Second operand has 18 states, 18 states have (on average 3.9444444444444446) internal successors, (71), 17 states have internal predecessors, (71), 5 states have call successors, (32), 5 states have call predecessors, (32), 9 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) [2023-11-29 04:09:32,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.76s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:09:36,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:09:40,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:09:44,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:09:48,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.76s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:09:53,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:09:57,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:10:00,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:10:06,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:10:10,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:10:14,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:10:18,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:10:22,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:10:26,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:10:30,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:10:34,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:10:38,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:10:42,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:10:46,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:10:50,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:10:58,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.81s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:11:02,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:11:06,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:11:08,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:11:13,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:11:17,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:11:21,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:11:25,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:11:31,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:11:35,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:11:39,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:11:43,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:11:47,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:11:51,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:11:55,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:11:59,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:12:03,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:12:07,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []