./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-39.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-39.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu --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 caf8cc95f60422cae62ef20857bff205d9812f0c6d7a17b53f59e7b912e3d243 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:06:15,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:06:15,368 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 08:06:15,373 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:06:15,374 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:06:15,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:06:15,403 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:06:15,403 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:06:15,404 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:06:15,405 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:06:15,406 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:06:15,406 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:06:15,407 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:06:15,407 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:06:15,408 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:06:15,409 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:06:15,409 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:06:15,410 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:06:15,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:06:15,411 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:06:15,411 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:06:15,412 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:06:15,413 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:06:15,413 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:06:15,414 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:06:15,415 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:06:15,415 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:06:15,416 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:06:15,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:06:15,417 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:06:15,417 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:06:15,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:06:15,418 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:06:15,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:06:15,419 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:06:15,420 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:06:15,420 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:06:15,421 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:06:15,421 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:06:15,421 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_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caf8cc95f60422cae62ef20857bff205d9812f0c6d7a17b53f59e7b912e3d243 [2023-11-19 08:06:15,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:06:15,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:06:15,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:06:15,746 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:06:15,746 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:06:15,747 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-39.i [2023-11-19 08:06:18,952 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:06:19,247 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:06:19,249 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-39.i [2023-11-19 08:06:19,260 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/data/c3d0c51c1/e6aed288d49f4a89808a7b8fbc37ea6f/FLAG824c8b6b9 [2023-11-19 08:06:19,276 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/data/c3d0c51c1/e6aed288d49f4a89808a7b8fbc37ea6f [2023-11-19 08:06:19,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:06:19,281 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:06:19,283 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:06:19,283 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:06:19,289 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:06:19,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:19" (1/1) ... [2023-11-19 08:06:19,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e3819c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:19, skipping insertion in model container [2023-11-19 08:06:19,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:19" (1/1) ... [2023-11-19 08:06:19,347 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:06:19,505 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_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-39.i[916,929] [2023-11-19 08:06:19,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:06:19,649 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:06:19,659 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_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-39.i[916,929] [2023-11-19 08:06:19,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:06:19,748 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:06:19,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:19 WrapperNode [2023-11-19 08:06:19,748 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:06:19,749 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:06:19,750 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:06:19,750 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:06:19,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:19" (1/1) ... [2023-11-19 08:06:19,774 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:19" (1/1) ... [2023-11-19 08:06:19,839 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 209 [2023-11-19 08:06:19,840 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:06:19,841 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:06:19,841 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:06:19,841 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:06:19,852 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:19" (1/1) ... [2023-11-19 08:06:19,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:19" (1/1) ... [2023-11-19 08:06:19,857 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:19" (1/1) ... [2023-11-19 08:06:19,858 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:19" (1/1) ... [2023-11-19 08:06:19,877 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:19" (1/1) ... [2023-11-19 08:06:19,882 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:19" (1/1) ... [2023-11-19 08:06:19,891 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:19" (1/1) ... [2023-11-19 08:06:19,894 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:19" (1/1) ... [2023-11-19 08:06:19,901 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:06:19,902 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:06:19,903 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:06:19,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:06:19,919 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:19" (1/1) ... [2023-11-19 08:06:19,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:06:19,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:06:19,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:06:19,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:06:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:06:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:06:19,996 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:06:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:06:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:06:19,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:06:20,128 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:06:20,130 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:06:20,705 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:06:20,715 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:06:20,715 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:06:20,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:20 BoogieIcfgContainer [2023-11-19 08:06:20,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:06:20,727 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:06:20,727 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:06:20,730 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:06:20,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:06:19" (1/3) ... [2023-11-19 08:06:20,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a07027e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:20, skipping insertion in model container [2023-11-19 08:06:20,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:19" (2/3) ... [2023-11-19 08:06:20,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a07027e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:20, skipping insertion in model container [2023-11-19 08:06:20,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:20" (3/3) ... [2023-11-19 08:06:20,734 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-39.i [2023-11-19 08:06:20,757 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:06:20,758 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:06:20,837 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:06:20,845 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;@32e6e74, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:06:20,846 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:06:20,853 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 62 states have (on average 1.435483870967742) internal successors, (89), 63 states have internal predecessors, (89), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 08:06:20,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-19 08:06:20,869 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:06:20,870 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:06:20,871 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:06:20,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:06:20,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1353161644, now seen corresponding path program 1 times [2023-11-19 08:06:20,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:06:20,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284950020] [2023-11-19 08:06:20,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:20,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:06:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:21,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:06:21,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284950020] [2023-11-19 08:06:21,304 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-19 08:06:21,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174025128] [2023-11-19 08:06:21,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:21,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:06:21,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:06:21,311 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:06:21,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 08:06:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:21,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 08:06:21,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:06:21,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2023-11-19 08:06:21,746 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:06:21,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174025128] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:06:21,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:06:21,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:06:21,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477037649] [2023-11-19 08:06:21,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:06:21,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:06:21,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:06:21,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:06:21,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:06:21,794 INFO L87 Difference]: Start difference. First operand has 89 states, 62 states have (on average 1.435483870967742) internal successors, (89), 63 states have internal predecessors, (89), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-19 08:06:21,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:06:21,834 INFO L93 Difference]: Finished difference Result 175 states and 295 transitions. [2023-11-19 08:06:21,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:06:21,837 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 166 [2023-11-19 08:06:21,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:06:21,847 INFO L225 Difference]: With dead ends: 175 [2023-11-19 08:06:21,847 INFO L226 Difference]: Without dead ends: 85 [2023-11-19 08:06:21,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:06:21,856 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:06:21,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:06:21,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-19 08:06:21,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2023-11-19 08:06:21,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 59 states have (on average 1.3898305084745763) internal successors, (82), 59 states have internal predecessors, (82), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 08:06:21,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 130 transitions. [2023-11-19 08:06:21,917 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 130 transitions. Word has length 166 [2023-11-19 08:06:21,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:06:21,918 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 130 transitions. [2023-11-19 08:06:21,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-19 08:06:21,919 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 130 transitions. [2023-11-19 08:06:21,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-19 08:06:21,925 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:06:21,925 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:06:21,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:06:22,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:06:22,147 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:06:22,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:06:22,148 INFO L85 PathProgramCache]: Analyzing trace with hash -925336160, now seen corresponding path program 1 times [2023-11-19 08:06:22,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:06:22,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884520686] [2023-11-19 08:06:22,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:22,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:06:22,289 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:06:22,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [86308937] [2023-11-19 08:06:22,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:22,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:06:22,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:06:22,302 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:06:22,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 08:06:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:22,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 08:06:22,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:06:22,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 533 proven. 24 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2023-11-19 08:06:22,785 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:06:22,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 45 proven. 24 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-19 08:06:22,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:06:22,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884520686] [2023-11-19 08:06:22,979 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:06:22,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86308937] [2023-11-19 08:06:22,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [86308937] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:06:22,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:06:22,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-11-19 08:06:22,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742167078] [2023-11-19 08:06:22,981 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:06:22,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 08:06:22,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:06:22,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 08:06:22,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:06:22,988 INFO L87 Difference]: Start difference. First operand 85 states and 130 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-19 08:06:23,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:06:23,427 INFO L93 Difference]: Finished difference Result 175 states and 264 transitions. [2023-11-19 08:06:23,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-19 08:06:23,433 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 166 [2023-11-19 08:06:23,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:06:23,436 INFO L225 Difference]: With dead ends: 175 [2023-11-19 08:06:23,436 INFO L226 Difference]: Without dead ends: 93 [2023-11-19 08:06:23,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 323 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2023-11-19 08:06:23,439 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 228 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:06:23,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 240 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 08:06:23,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-11-19 08:06:23,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 89. [2023-11-19 08:06:23,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 62 states have internal predecessors, (83), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 08:06:23,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 131 transitions. [2023-11-19 08:06:23,460 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 131 transitions. Word has length 166 [2023-11-19 08:06:23,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:06:23,462 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 131 transitions. [2023-11-19 08:06:23,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-19 08:06:23,462 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 131 transitions. [2023-11-19 08:06:23,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-19 08:06:23,465 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:06:23,466 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:06:23,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:06:23,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:06:23,687 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:06:23,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:06:23,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1059349666, now seen corresponding path program 1 times [2023-11-19 08:06:23,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:06:23,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280858200] [2023-11-19 08:06:23,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:23,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:06:23,788 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:06:23,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1547462455] [2023-11-19 08:06:23,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:23,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:06:23,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:06:23,797 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:06:23,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 08:06:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:23,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 08:06:23,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:06:24,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 563 proven. 39 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2023-11-19 08:06:24,181 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:06:24,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 30 proven. 39 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-19 08:06:24,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:06:24,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280858200] [2023-11-19 08:06:24,378 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:06:24,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547462455] [2023-11-19 08:06:24,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547462455] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:06:24,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:06:24,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-19 08:06:24,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582053360] [2023-11-19 08:06:24,380 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:06:24,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 08:06:24,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:06:24,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 08:06:24,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:06:24,387 INFO L87 Difference]: Start difference. First operand 89 states and 131 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-11-19 08:06:24,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:06:24,618 INFO L93 Difference]: Finished difference Result 183 states and 266 transitions. [2023-11-19 08:06:24,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 08:06:24,620 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 166 [2023-11-19 08:06:24,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:06:24,622 INFO L225 Difference]: With dead ends: 183 [2023-11-19 08:06:24,623 INFO L226 Difference]: Without dead ends: 97 [2023-11-19 08:06:24,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-11-19 08:06:24,625 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 70 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:06:24,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 244 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:06:24,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-19 08:06:24,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 93. [2023-11-19 08:06:24,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 65 states have (on average 1.2923076923076924) internal successors, (84), 65 states have internal predecessors, (84), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 08:06:24,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2023-11-19 08:06:24,646 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 166 [2023-11-19 08:06:24,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:06:24,647 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2023-11-19 08:06:24,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-11-19 08:06:24,647 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2023-11-19 08:06:24,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-19 08:06:24,650 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:06:24,651 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:06:24,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 08:06:24,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:06:24,872 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:06:24,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:06:24,872 INFO L85 PathProgramCache]: Analyzing trace with hash -856351406, now seen corresponding path program 1 times [2023-11-19 08:06:24,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:06:24,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310944245] [2023-11-19 08:06:24,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:24,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:06:24,918 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:06:24,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1717886532] [2023-11-19 08:06:24,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:24,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:06:24,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:06:24,922 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:06:24,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 08:06:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:25,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 08:06:25,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:06:28,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 48 proven. 132 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 08:06:28,044 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:06:28,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:06:28,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310944245] [2023-11-19 08:06:28,729 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:06:28,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717886532] [2023-11-19 08:06:28,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717886532] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:06:28,730 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:06:28,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2023-11-19 08:06:28,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701089295] [2023-11-19 08:06:28,730 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-19 08:06:28,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 08:06:28,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:06:28,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 08:06:28,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=145, Unknown=1, NotChecked=0, Total=182 [2023-11-19 08:06:28,733 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand has 9 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-19 08:06:29,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:06:29,769 INFO L93 Difference]: Finished difference Result 105 states and 142 transitions. [2023-11-19 08:06:29,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 08:06:29,770 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) Word has length 167 [2023-11-19 08:06:29,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:06:29,772 INFO L225 Difference]: With dead ends: 105 [2023-11-19 08:06:29,772 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 08:06:29,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 183 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=82, Invalid=296, Unknown=2, NotChecked=0, Total=380 [2023-11-19 08:06:29,774 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 66 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 5 mSolverCounterUnsat, 48 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 48 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-19 08:06:29,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 283 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 294 Invalid, 48 Unknown, 0 Unchecked, 0.8s Time] [2023-11-19 08:06:29,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 08:06:29,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 08:06:29,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:06:29,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 08:06:29,777 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 167 [2023-11-19 08:06:29,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:06:29,777 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 08:06:29,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-19 08:06:29,778 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 08:06:29,778 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 08:06:29,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 08:06:29,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 08:06:29,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:06:29,984 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 08:06:30,449 INFO L899 garLoopResultBuilder]: For program point L126(lines 126 136) no Hoare annotation was computed. [2023-11-19 08:06:30,449 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 97) no Hoare annotation was computed. [2023-11-19 08:06:30,450 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 97) no Hoare annotation was computed. [2023-11-19 08:06:30,450 INFO L895 garLoopResultBuilder]: At program point L184(line 184) the Hoare annotation is: (let ((.cse0 (mod ~var_1_4~0 65536))) (and (<= 8 .cse0) (<= .cse0 17) (<= 2147483647 (mod ~var_1_19~0 4294967296)) (<= (mod ~var_1_17~0 256) 0) (<= (mod ~var_1_21~0 256) 0))) [2023-11-19 08:06:30,450 INFO L895 garLoopResultBuilder]: At program point L151(line 151) the Hoare annotation is: (let ((.cse0 (mod ~var_1_4~0 65536))) (and (<= 8 .cse0) (<= .cse0 17) (<= 2147483647 (mod ~var_1_19~0 4294967296)) (<= (mod ~var_1_17~0 256) 0) (<= (mod ~var_1_21~0 256) 0))) [2023-11-19 08:06:30,450 INFO L895 garLoopResultBuilder]: At program point L184-1(line 184) the Hoare annotation is: (let ((.cse0 (mod ~var_1_4~0 65536))) (and (<= 8 .cse0) (<= .cse0 17) (<= 2147483647 (mod ~var_1_19~0 4294967296)) (<= (mod ~var_1_17~0 256) 0) (<= (mod ~var_1_21~0 256) 0))) [2023-11-19 08:06:30,450 INFO L895 garLoopResultBuilder]: At program point L151-1(line 151) the Hoare annotation is: (let ((.cse0 (mod ~var_1_4~0 65536))) (and (<= 8 .cse0) (<= .cse0 17) (<= 2147483647 (mod ~var_1_19~0 4294967296)) (<= (mod ~var_1_17~0 256) 0) (<= (mod ~var_1_21~0 256) 0))) [2023-11-19 08:06:30,451 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-19 08:06:30,451 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-19 08:06:30,451 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2023-11-19 08:06:30,451 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-11-19 08:06:30,451 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 199 211) no Hoare annotation was computed. [2023-11-19 08:06:30,451 INFO L895 garLoopResultBuilder]: At program point L160(line 160) the Hoare annotation is: (let ((.cse0 (mod ~var_1_4~0 65536))) (and (<= 8 .cse0) (<= .cse0 17) (<= 2147483647 (mod ~var_1_19~0 4294967296)) (<= (mod ~var_1_17~0 256) 0) (<= (mod ~var_1_21~0 256) 0))) [2023-11-19 08:06:30,451 INFO L899 garLoopResultBuilder]: For program point L160-1(line 160) no Hoare annotation was computed. [2023-11-19 08:06:30,452 INFO L899 garLoopResultBuilder]: For program point L127(lines 127 135) no Hoare annotation was computed. [2023-11-19 08:06:30,452 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 08:06:30,452 INFO L899 garLoopResultBuilder]: For program point L185(lines 146 186) no Hoare annotation was computed. [2023-11-19 08:06:30,452 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2023-11-19 08:06:30,452 INFO L895 garLoopResultBuilder]: At program point L169(line 169) the Hoare annotation is: (let ((.cse0 (mod ~var_1_4~0 65536))) (and (<= 8 .cse0) (<= .cse0 17) (<= 2147483647 (mod ~var_1_19~0 4294967296)) (<= (mod ~var_1_17~0 256) 0) (<= (mod ~var_1_21~0 256) 0))) [2023-11-19 08:06:30,452 INFO L895 garLoopResultBuilder]: At program point L169-1(line 169) the Hoare annotation is: (let ((.cse0 (mod ~var_1_4~0 65536))) (and (<= 8 .cse0) (<= .cse0 17) (<= 2147483647 (mod ~var_1_19~0 4294967296)) (<= (mod ~var_1_17~0 256) 0) (<= (mod ~var_1_21~0 256) 0))) [2023-11-19 08:06:30,453 INFO L899 garLoopResultBuilder]: For program point L128(lines 128 132) no Hoare annotation was computed. [2023-11-19 08:06:30,453 INFO L899 garLoopResultBuilder]: For program point L62(lines 58 145) no Hoare annotation was computed. [2023-11-19 08:06:30,453 INFO L899 garLoopResultBuilder]: For program point L120(lines 120 124) no Hoare annotation was computed. [2023-11-19 08:06:30,453 INFO L899 garLoopResultBuilder]: For program point L87(lines 87 91) no Hoare annotation was computed. [2023-11-19 08:06:30,453 INFO L899 garLoopResultBuilder]: For program point L120-2(lines 58 145) no Hoare annotation was computed. [2023-11-19 08:06:30,453 INFO L899 garLoopResultBuilder]: For program point L87-2(lines 87 91) no Hoare annotation was computed. [2023-11-19 08:06:30,453 INFO L895 garLoopResultBuilder]: At program point L178(line 178) the Hoare annotation is: (let ((.cse0 (mod ~var_1_4~0 65536))) (and (<= 8 .cse0) (<= .cse0 17) (<= 2147483647 (mod ~var_1_19~0 4294967296)) (<= (mod ~var_1_17~0 256) 0) (<= (mod ~var_1_21~0 256) 0))) [2023-11-19 08:06:30,454 INFO L895 garLoopResultBuilder]: At program point L178-1(line 178) the Hoare annotation is: (let ((.cse0 (mod ~var_1_4~0 65536))) (and (<= 8 .cse0) (<= .cse0 17) (<= 2147483647 (mod ~var_1_19~0 4294967296)) (<= (mod ~var_1_17~0 256) 0) (<= (mod ~var_1_21~0 256) 0))) [2023-11-19 08:06:30,454 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 114) no Hoare annotation was computed. [2023-11-19 08:06:30,454 INFO L899 garLoopResultBuilder]: For program point L112-2(lines 112 114) no Hoare annotation was computed. [2023-11-19 08:06:30,454 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2023-11-19 08:06:30,454 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 08:06:30,454 INFO L899 garLoopResultBuilder]: For program point L203-2(lines 203 209) no Hoare annotation was computed. [2023-11-19 08:06:30,454 INFO L895 garLoopResultBuilder]: At program point L203-3(lines 203 209) the Hoare annotation is: (let ((.cse0 (mod ~var_1_4~0 65536))) (and (<= 8 .cse0) (<= .cse0 17) (<= 2147483647 (mod ~var_1_19~0 4294967296)) (<= (mod ~var_1_17~0 256) 0) (<= (mod ~var_1_21~0 256) 0))) [2023-11-19 08:06:30,455 INFO L899 garLoopResultBuilder]: For program point L203-4(lines 203 209) no Hoare annotation was computed. [2023-11-19 08:06:30,455 INFO L895 garLoopResultBuilder]: At program point L162(line 162) the Hoare annotation is: (let ((.cse0 (mod ~var_1_4~0 65536))) (and (<= 8 .cse0) (<= .cse0 17) (<= 2147483647 (mod ~var_1_19~0 4294967296)) (<= (mod ~var_1_17~0 256) 0) (<= (mod ~var_1_21~0 256) 0))) [2023-11-19 08:06:30,455 INFO L899 garLoopResultBuilder]: For program point L162-1(line 162) no Hoare annotation was computed. [2023-11-19 08:06:30,455 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 71) no Hoare annotation was computed. [2023-11-19 08:06:30,455 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 194) no Hoare annotation was computed. [2023-11-19 08:06:30,455 INFO L895 garLoopResultBuilder]: At program point L154(line 154) the Hoare annotation is: (let ((.cse0 (mod ~var_1_4~0 65536))) (and (<= 8 .cse0) (<= .cse0 17) (<= 2147483647 (mod ~var_1_19~0 4294967296)) (<= (mod ~var_1_17~0 256) 0) (<= (mod ~var_1_21~0 256) 0))) [2023-11-19 08:06:30,455 INFO L899 garLoopResultBuilder]: For program point L154-1(line 154) no Hoare annotation was computed. [2023-11-19 08:06:30,456 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2023-11-19 08:06:30,456 INFO L899 garLoopResultBuilder]: For program point L80-1(line 80) no Hoare annotation was computed. [2023-11-19 08:06:30,456 INFO L899 garLoopResultBuilder]: For program point L138(lines 138 144) no Hoare annotation was computed. [2023-11-19 08:06:30,456 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2023-11-19 08:06:30,456 INFO L899 garLoopResultBuilder]: For program point L196-2(line 196) no Hoare annotation was computed. [2023-11-19 08:06:30,456 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 68) no Hoare annotation was computed. [2023-11-19 08:06:30,456 INFO L899 garLoopResultBuilder]: For program point L56(lines 56 57) no Hoare annotation was computed. [2023-11-19 08:06:30,456 INFO L899 garLoopResultBuilder]: For program point L81(lines 81 85) no Hoare annotation was computed. [2023-11-19 08:06:30,457 INFO L899 garLoopResultBuilder]: For program point L81-2(lines 81 85) no Hoare annotation was computed. [2023-11-19 08:06:30,457 INFO L895 garLoopResultBuilder]: At program point L172(line 172) the Hoare annotation is: (let ((.cse0 (mod ~var_1_4~0 65536))) (and (<= 8 .cse0) (<= .cse0 17) (<= 2147483647 (mod ~var_1_19~0 4294967296)) (<= (mod ~var_1_17~0 256) 0))) [2023-11-19 08:06:30,457 INFO L895 garLoopResultBuilder]: At program point L172-1(line 172) the Hoare annotation is: (let ((.cse0 (mod ~var_1_4~0 65536))) (and (<= 8 .cse0) (<= .cse0 17) (<= 2147483647 (mod ~var_1_19~0 4294967296)) (<= (mod ~var_1_17~0 256) 0))) [2023-11-19 08:06:30,457 INFO L899 garLoopResultBuilder]: For program point L106(lines 106 110) no Hoare annotation was computed. [2023-11-19 08:06:30,461 INFO L895 garLoopResultBuilder]: At program point L164(line 164) the Hoare annotation is: (let ((.cse0 (mod ~var_1_4~0 65536))) (and (<= 8 .cse0) (<= .cse0 17) (<= 2147483647 (mod ~var_1_19~0 4294967296)) (<= (mod ~var_1_17~0 256) 0) (<= (mod ~var_1_21~0 256) 0))) [2023-11-19 08:06:30,461 INFO L899 garLoopResultBuilder]: For program point L164-1(line 164) no Hoare annotation was computed. [2023-11-19 08:06:30,461 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 08:06:30,461 INFO L895 garLoopResultBuilder]: At program point L156(line 156) the Hoare annotation is: (let ((.cse0 (mod ~var_1_4~0 65536))) (and (<= 8 .cse0) (<= .cse0 17) (<= 2147483647 (mod ~var_1_19~0 4294967296)) (<= (mod ~var_1_17~0 256) 0) (<= (mod ~var_1_21~0 256) 0))) [2023-11-19 08:06:30,462 INFO L899 garLoopResultBuilder]: For program point L156-1(line 156) no Hoare annotation was computed. [2023-11-19 08:06:30,462 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-19 08:06:30,462 INFO L895 garLoopResultBuilder]: At program point L181(line 181) the Hoare annotation is: (let ((.cse0 (mod ~var_1_4~0 65536))) (and (<= 8 .cse0) (<= .cse0 17) (<= 2147483647 (mod ~var_1_19~0 4294967296)) (<= (mod ~var_1_17~0 256) 0) (<= (mod ~var_1_21~0 256) 0))) [2023-11-19 08:06:30,463 INFO L895 garLoopResultBuilder]: At program point L148(line 148) the Hoare annotation is: (and (<= 2147483647 (mod ~var_1_19~0 4294967296)) (<= (mod ~var_1_17~0 256) 0) (<= (mod ~var_1_21~0 256) 0)) [2023-11-19 08:06:30,463 INFO L895 garLoopResultBuilder]: At program point L181-1(line 181) the Hoare annotation is: (let ((.cse0 (mod ~var_1_4~0 65536))) (and (<= 8 .cse0) (<= .cse0 17) (<= 2147483647 (mod ~var_1_19~0 4294967296)) (<= (mod ~var_1_17~0 256) 0) (<= (mod ~var_1_21~0 256) 0))) [2023-11-19 08:06:30,464 INFO L895 garLoopResultBuilder]: At program point L148-1(line 148) the Hoare annotation is: (and (<= 8 (mod ~var_1_4~0 65536)) (<= 2147483647 (mod ~var_1_19~0 4294967296)) (<= (mod ~var_1_17~0 256) 0) (<= (mod ~var_1_21~0 256) 0)) [2023-11-19 08:06:30,464 INFO L899 garLoopResultBuilder]: For program point property_returnLabel#1(lines 195 198) no Hoare annotation was computed. [2023-11-19 08:06:30,464 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2023-11-19 08:06:30,464 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 109) no Hoare annotation was computed. [2023-11-19 08:06:30,465 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 105) no Hoare annotation was computed. [2023-11-19 08:06:30,465 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 58 145) no Hoare annotation was computed. [2023-11-19 08:06:30,465 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 08:06:30,465 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2023-11-19 08:06:30,465 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2023-11-19 08:06:30,465 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 143) no Hoare annotation was computed. [2023-11-19 08:06:30,465 INFO L899 garLoopResultBuilder]: For program point L141-2(lines 58 145) no Hoare annotation was computed. [2023-11-19 08:06:30,465 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 58 145) no Hoare annotation was computed. [2023-11-19 08:06:30,466 INFO L895 garLoopResultBuilder]: At program point L166(line 166) the Hoare annotation is: (let ((.cse0 (mod ~var_1_4~0 65536))) (and (<= 8 .cse0) (<= .cse0 17) (<= (mod ~var_1_17~0 256) 0) (<= (mod ~var_1_21~0 256) 0))) [2023-11-19 08:06:30,466 INFO L895 garLoopResultBuilder]: At program point L166-1(line 166) the Hoare annotation is: (let ((.cse0 (mod ~var_1_4~0 65536))) (and (<= 8 .cse0) (<= .cse0 17) (<= 2147483647 (mod ~var_1_19~0 4294967296)) (<= (mod ~var_1_17~0 256) 0) (<= (mod ~var_1_21~0 256) 0))) [2023-11-19 08:06:30,466 INFO L899 garLoopResultBuilder]: For program point L100(lines 100 102) no Hoare annotation was computed. [2023-11-19 08:06:30,466 INFO L895 garLoopResultBuilder]: At program point L158(line 158) the Hoare annotation is: (let ((.cse0 (mod ~var_1_4~0 65536))) (and (<= 8 .cse0) (<= .cse0 17) (<= 2147483647 (mod ~var_1_19~0 4294967296)) (<= (mod ~var_1_17~0 256) 0) (<= (mod ~var_1_21~0 256) 0))) [2023-11-19 08:06:30,467 INFO L899 garLoopResultBuilder]: For program point L158-1(line 158) no Hoare annotation was computed. [2023-11-19 08:06:30,468 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 61) no Hoare annotation was computed. [2023-11-19 08:06:30,468 INFO L899 garLoopResultBuilder]: For program point L59-2(lines 58 145) no Hoare annotation was computed. [2023-11-19 08:06:30,468 INFO L899 garLoopResultBuilder]: For program point L117(lines 117 125) no Hoare annotation was computed. [2023-11-19 08:06:30,468 INFO L895 garLoopResultBuilder]: At program point L175(line 175) the Hoare annotation is: (let ((.cse0 (mod ~var_1_4~0 65536))) (and (<= 8 .cse0) (<= .cse0 17) (<= 2147483647 (mod ~var_1_19~0 4294967296)) (<= (mod ~var_1_17~0 256) 0) (<= (mod ~var_1_21~0 256) 0))) [2023-11-19 08:06:30,469 INFO L895 garLoopResultBuilder]: At program point L175-1(line 175) the Hoare annotation is: (let ((.cse0 (mod ~var_1_4~0 65536))) (and (<= 8 .cse0) (<= .cse0 17) (<= 2147483647 (mod ~var_1_19~0 4294967296)) (<= (mod ~var_1_17~0 256) 0) (<= (mod ~var_1_21~0 256) 0))) [2023-11-19 08:06:30,469 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2023-11-19 08:06:30,469 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-19 08:06:30,469 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-11-19 08:06:30,469 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-11-19 08:06:30,469 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-19 08:06:30,472 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 08:06:30,474 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:06:30,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:06:30 BoogieIcfgContainer [2023-11-19 08:06:30,492 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:06:30,493 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:06:30,493 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:06:30,493 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:06:30,494 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:20" (3/4) ... [2023-11-19 08:06:30,515 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 08:06:30,519 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-19 08:06:30,534 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-19 08:06:30,535 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 08:06:30,535 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 08:06:30,536 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 08:06:30,690 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 08:06:30,691 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 08:06:30,691 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:06:30,692 INFO L158 Benchmark]: Toolchain (without parser) took 11410.51ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 104.3MB in the beginning and 162.8MB in the end (delta: -58.5MB). Peak memory consumption was 104.4MB. Max. memory is 16.1GB. [2023-11-19 08:06:30,692 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 104.9MB. Free memory was 55.2MB in the beginning and 55.0MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:06:30,692 INFO L158 Benchmark]: CACSL2BoogieTranslator took 465.55ms. Allocated memory is still 151.0MB. Free memory was 104.3MB in the beginning and 87.0MB in the end (delta: 17.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 08:06:30,693 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.48ms. Allocated memory is still 151.0MB. Free memory was 87.0MB in the beginning and 81.6MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:06:30,693 INFO L158 Benchmark]: Boogie Preprocessor took 61.09ms. Allocated memory is still 151.0MB. Free memory was 81.6MB in the beginning and 79.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:06:30,693 INFO L158 Benchmark]: RCFGBuilder took 822.17ms. Allocated memory is still 151.0MB. Free memory was 79.1MB in the beginning and 98.9MB in the end (delta: -19.8MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2023-11-19 08:06:30,694 INFO L158 Benchmark]: TraceAbstraction took 9765.58ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 98.4MB in the beginning and 54.4MB in the end (delta: 44.0MB). Peak memory consumption was 94.3MB. Max. memory is 16.1GB. [2023-11-19 08:06:30,694 INFO L158 Benchmark]: Witness Printer took 198.28ms. Allocated memory is still 201.3MB. Free memory was 54.4MB in the beginning and 162.8MB in the end (delta: -108.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:06:30,697 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 104.9MB. Free memory was 55.2MB in the beginning and 55.0MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 465.55ms. Allocated memory is still 151.0MB. Free memory was 104.3MB in the beginning and 87.0MB in the end (delta: 17.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.48ms. Allocated memory is still 151.0MB. Free memory was 87.0MB in the beginning and 81.6MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.09ms. Allocated memory is still 151.0MB. Free memory was 81.6MB in the beginning and 79.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 822.17ms. Allocated memory is still 151.0MB. Free memory was 79.1MB in the beginning and 98.9MB in the end (delta: -19.8MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * TraceAbstraction took 9765.58ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 98.4MB in the beginning and 54.4MB in the end (delta: 44.0MB). Peak memory consumption was 94.3MB. Max. memory is 16.1GB. * Witness Printer took 198.28ms. Allocated memory is still 201.3MB. Free memory was 54.4MB in the beginning and 162.8MB in the end (delta: -108.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.7s, OverallIterations: 4, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 48 mSolverCounterUnknown, 376 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 364 mSDsluCounter, 901 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 488 mSDsCounter, 123 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 576 IncrementalHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 123 mSolverCounterUnsat, 413 mSDtfsCounter, 576 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1039 GetRequests, 995 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=3, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 121 PreInvPairs, 146 NumberOfFragments, 621 HoareAnnotationTreeSize, 121 FomulaSimplifications, 535 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 767 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 831 NumberOfCodeBlocks, 831 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 991 ConstructedInterpolants, 1 QuantifiedInterpolants, 3247 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1697 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 6366/6624 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((8 <= (var_1_4 % 65536)) && ((var_1_4 % 65536) <= 17)) && (2147483647 <= (var_1_19 % 4294967296))) && ((var_1_17 % 256) <= 0)) && ((var_1_21 % 256) <= 0)) RESULT: Ultimate proved your program to be correct! [2023-11-19 08:06:30,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db16b33-f3c8-4cd5-b0b2-a2e8fdfdee83/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE