./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-7.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_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/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_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/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_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/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 1be8a8a6d13dc0dcec2623cb0b1ac309ae347ca2d7834f41920d636b33bcc8f1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:44:36,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:44:36,465 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:44:36,471 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:44:36,472 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:44:36,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:44:36,499 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:44:36,500 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:44:36,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:44:36,508 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:44:36,509 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:44:36,509 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:44:36,510 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:44:36,511 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:44:36,512 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:44:36,512 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:44:36,513 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:44:36,513 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:44:36,513 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:44:36,514 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:44:36,514 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:44:36,515 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:44:36,515 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:44:36,516 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:44:36,516 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:44:36,517 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:44:36,517 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:44:36,518 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:44:36,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:44:36,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:44:36,520 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:44:36,520 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:44:36,520 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:44:36,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:44:36,521 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:44:36,521 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:44:36,521 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:44:36,521 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:44:36,522 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:44:36,522 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_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1be8a8a6d13dc0dcec2623cb0b1ac309ae347ca2d7834f41920d636b33bcc8f1 [2023-11-19 07:44:36,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:44:36,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:44:36,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:44:36,860 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:44:36,861 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:44:36,862 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-7.i [2023-11-19 07:44:39,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:44:40,175 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:44:40,175 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-7.i [2023-11-19 07:44:40,184 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/bin/uautomizer-verify-uCwYo4JHxu/data/7155958a1/16cab55b7af94e1c9ffff579ce0392cd/FLAG3aa790c14 [2023-11-19 07:44:40,199 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/bin/uautomizer-verify-uCwYo4JHxu/data/7155958a1/16cab55b7af94e1c9ffff579ce0392cd [2023-11-19 07:44:40,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:44:40,203 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:44:40,204 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:44:40,205 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:44:40,210 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:44:40,211 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:40" (1/1) ... [2023-11-19 07:44:40,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55767f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:40, skipping insertion in model container [2023-11-19 07:44:40,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:40" (1/1) ... [2023-11-19 07:44:40,236 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:44:40,382 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_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-7.i[914,927] [2023-11-19 07:44:40,412 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:44:40,423 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:44:40,436 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_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-7.i[914,927] [2023-11-19 07:44:40,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:44:40,466 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:44:40,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:40 WrapperNode [2023-11-19 07:44:40,467 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:44:40,468 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:44:40,468 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:44:40,469 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:44:40,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:40" (1/1) ... [2023-11-19 07:44:40,483 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:40" (1/1) ... [2023-11-19 07:44:40,511 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 92 [2023-11-19 07:44:40,511 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:44:40,512 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:44:40,512 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:44:40,512 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:44:40,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:40" (1/1) ... [2023-11-19 07:44:40,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:40" (1/1) ... [2023-11-19 07:44:40,524 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:40" (1/1) ... [2023-11-19 07:44:40,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:40" (1/1) ... [2023-11-19 07:44:40,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:40" (1/1) ... [2023-11-19 07:44:40,535 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:40" (1/1) ... [2023-11-19 07:44:40,536 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:40" (1/1) ... [2023-11-19 07:44:40,538 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:40" (1/1) ... [2023-11-19 07:44:40,540 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:44:40,541 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:44:40,541 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:44:40,541 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:44:40,542 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:40" (1/1) ... [2023-11-19 07:44:40,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:44:40,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:40,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:40,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:44:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:44:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:44:40,610 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:44:40,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:44:40,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:44:40,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:44:40,685 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:44:40,687 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:44:40,910 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:44:40,926 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:44:40,926 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:44:40,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:40 BoogieIcfgContainer [2023-11-19 07:44:40,930 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:44:40,933 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:44:40,933 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:44:40,936 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:44:40,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:44:40" (1/3) ... [2023-11-19 07:44:40,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6284101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:44:40, skipping insertion in model container [2023-11-19 07:44:40,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:40" (2/3) ... [2023-11-19 07:44:40,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6284101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:44:40, skipping insertion in model container [2023-11-19 07:44:40,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:40" (3/3) ... [2023-11-19 07:44:40,940 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-7.i [2023-11-19 07:44:40,957 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:44:40,958 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:44:41,004 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:44:41,010 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;@7939a88, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:44:41,011 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:44:41,014 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 27 states have internal predecessors, (33), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:44:41,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-19 07:44:41,026 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:44:41,027 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:44:41,028 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:44:41,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:41,033 INFO L85 PathProgramCache]: Analyzing trace with hash -449949024, now seen corresponding path program 1 times [2023-11-19 07:44:41,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:41,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796469030] [2023-11-19 07:44:41,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:41,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:41,248 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:44:41,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1005950999] [2023-11-19 07:44:41,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:41,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:44:41,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:41,256 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:44:41,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:44:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:41,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 07:44:41,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:44:42,692 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 227 proven. 6 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2023-11-19 07:44:42,693 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:44:50,035 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-19 07:44:50,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:50,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796469030] [2023-11-19 07:44:50,036 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:44:50,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005950999] [2023-11-19 07:44:50,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005950999] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 07:44:50,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:44:50,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 17 [2023-11-19 07:44:50,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071403176] [2023-11-19 07:44:50,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:50,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:44:50,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:50,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:44:50,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=217, Unknown=1, NotChecked=0, Total=272 [2023-11-19 07:44:50,078 INFO L87 Difference]: Start difference. First operand has 47 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 27 states have internal predecessors, (33), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-19 07:44:50,246 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (mod c_~var_1_1~0 256)) (.cse4 (mod c_~var_1_2~0 4294967296)) (.cse10 (mod (div (mod (div (mod c_~var_1_3~0 4294967296) (mod c_~var_1_4~0 4294967296)) 4294967296) (mod c_~var_1_5~0 4294967296)) 4294967296)) (.cse0 (mod c_~var_1_9~0 256))) (let ((.cse6 (+ 1 (mod |c_ULTIMATE.start_step_~stepLocal_0~0#1| 4294967296))) (.cse7 (= .cse0 1)) (.cse2 (<= (+ .cse4 1) .cse10)) (.cse8 (= 1 (mod c_~var_1_8~0 256))) (.cse3 (= .cse1 1))) (and (or (and (= .cse0 .cse1) .cse2) .cse3) (or (forall ((v_z_13 Int) (v_z_15 Int) (v_z_10 Int)) (let ((.cse5 (mod (div (mod (div v_z_15 v_z_13) 4294967296) v_z_10) 4294967296))) (or (< v_z_10 0) (< v_z_15 0) (< .cse4 .cse5) (< 4294967295 v_z_15) (< .cse5 .cse6) (< 4294967295 v_z_13) (< v_z_13 0)))) (not .cse7) .cse8) (or .cse7 (forall ((v_z_25 Int) (v_z_27 Int) (v_z_21 Int)) (let ((.cse9 (mod (div (mod (div v_z_27 v_z_25) 4294967296) v_z_21) 4294967296))) (or (< v_z_27 0) (< .cse4 .cse9) (< 4294967295 v_z_27) (< v_z_25 0) (< v_z_21 0) (< 4294967295 v_z_25) (< .cse9 .cse6))))) (or (and .cse7 .cse2) (and (<= .cse10 .cse4) .cse8) (not .cse3))))) is different from false [2023-11-19 07:44:52,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-19 07:44:52,740 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (mod c_~var_1_1~0 256)) (.cse4 (mod c_~var_1_2~0 4294967296)) (.cse10 (mod (div (mod (div (mod c_~var_1_3~0 4294967296) (mod c_~var_1_4~0 4294967296)) 4294967296) (mod c_~var_1_5~0 4294967296)) 4294967296)) (.cse0 (mod c_~var_1_9~0 256))) (let ((.cse6 (+ 1 (mod |c_ULTIMATE.start_step_~stepLocal_0~0#1| 4294967296))) (.cse7 (= .cse0 1)) (.cse2 (<= (+ .cse4 1) .cse10)) (.cse8 (= 1 (mod c_~var_1_8~0 256))) (.cse3 (= .cse1 1))) (and (or (and (= .cse0 .cse1) .cse2) .cse3) (or (forall ((v_z_13 Int) (v_z_15 Int) (v_z_10 Int)) (let ((.cse5 (mod (div (mod (div v_z_15 v_z_13) 4294967296) v_z_10) 4294967296))) (or (< v_z_10 0) (< v_z_15 0) (< .cse4 .cse5) (< 4294967295 v_z_15) (< .cse5 .cse6) (< 4294967295 v_z_13) (< v_z_13 0)))) (not .cse7) .cse8) (or .cse7 (forall ((v_z_25 Int) (v_z_27 Int) (v_z_21 Int)) (let ((.cse9 (mod (div (mod (div v_z_27 v_z_25) 4294967296) v_z_21) 4294967296))) (or (< v_z_27 0) (< .cse4 .cse9) (< 4294967295 v_z_27) (< v_z_25 0) (< v_z_21 0) (< 4294967295 v_z_25) (< .cse9 .cse6))))) (or (and .cse7 .cse2) (and (<= .cse10 .cse4) .cse8) (not .cse3)) (<= 1 |c_ULTIMATE.start_property_#res#1|)))) is different from false [2023-11-19 07:44:53,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-19 07:44:53,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:44:53,945 INFO L93 Difference]: Finished difference Result 125 states and 231 transitions. [2023-11-19 07:44:53,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 07:44:53,957 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 108 [2023-11-19 07:44:53,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:44:53,970 INFO L225 Difference]: With dead ends: 125 [2023-11-19 07:44:53,971 INFO L226 Difference]: Without dead ends: 81 [2023-11-19 07:44:53,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 197 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=66, Invalid=280, Unknown=4, NotChecked=70, Total=420 [2023-11-19 07:44:53,979 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 25 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 8 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-19 07:44:53,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 433 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 10 Unknown, 8 Unchecked, 3.6s Time] [2023-11-19 07:44:53,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-19 07:44:54,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 46. [2023-11-19 07:44:54,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 26 states have internal predecessors, (29), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:44:54,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2023-11-19 07:44:54,025 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 108 [2023-11-19 07:44:54,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:44:54,026 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2023-11-19 07:44:54,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-19 07:44:54,027 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2023-11-19 07:44:54,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-19 07:44:54,030 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:44:54,030 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:44:54,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-19 07:44:54,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:44:54,232 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:44:54,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:54,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1299078176, now seen corresponding path program 1 times [2023-11-19 07:44:54,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:54,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000454622] [2023-11-19 07:44:54,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:54,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:54,305 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:44:54,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [430707749] [2023-11-19 07:44:54,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:54,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:44:54,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:54,331 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:44:54,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:44:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:54,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 07:44:54,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:44:55,054 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 227 proven. 6 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2023-11-19 07:44:55,054 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:45:06,636 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 45 proven. 6 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-19 07:45:06,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:06,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000454622] [2023-11-19 07:45:06,638 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:45:06,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430707749] [2023-11-19 07:45:06,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430707749] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:45:06,639 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:45:06,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 10] total 22 [2023-11-19 07:45:06,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309349153] [2023-11-19 07:45:06,639 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:45:06,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-19 07:45:06,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:06,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-19 07:45:06,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=358, Unknown=2, NotChecked=0, Total=462 [2023-11-19 07:45:06,645 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand has 22 states, 22 states have (on average 1.9090909090909092) internal successors, (42), 20 states have internal predecessors, (42), 4 states have call successors, (21), 3 states have call predecessors, (21), 6 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) [2023-11-19 07:45:11,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:11,500 INFO L93 Difference]: Finished difference Result 104 states and 141 transitions. [2023-11-19 07:45:11,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-19 07:45:11,501 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 1.9090909090909092) internal successors, (42), 20 states have internal predecessors, (42), 4 states have call successors, (21), 3 states have call predecessors, (21), 6 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) Word has length 109 [2023-11-19 07:45:11,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:11,502 INFO L225 Difference]: With dead ends: 104 [2023-11-19 07:45:11,503 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:45:11,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 198 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 529 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=471, Invalid=1689, Unknown=2, NotChecked=0, Total=2162 [2023-11-19 07:45:11,507 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 142 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:11,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 312 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 943 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-19 07:45:11,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:45:11,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:45:11,510 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 07:45:11,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:45:11,510 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 109 [2023-11-19 07:45:11,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:11,511 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:45:11,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.9090909090909092) internal successors, (42), 20 states have internal predecessors, (42), 4 states have call successors, (21), 3 states have call predecessors, (21), 6 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) [2023-11-19 07:45:11,511 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:45:11,512 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:45:11,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:45:11,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:45:11,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:11,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:45:12,329 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 32) no Hoare annotation was computed. [2023-11-19 07:45:12,329 INFO L899 garLoopResultBuilder]: For program point L60(line 60) no Hoare annotation was computed. [2023-11-19 07:45:12,329 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-11-19 07:45:12,329 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2023-11-19 07:45:12,329 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-19 07:45:12,329 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-19 07:45:12,330 INFO L895 garLoopResultBuilder]: At program point L48(line 48) the Hoare annotation is: (and (<= (mod ~var_1_9~0 256) 0) (= (mod ~var_1_8~0 256) 1)) [2023-11-19 07:45:12,330 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-11-19 07:45:12,330 INFO L895 garLoopResultBuilder]: At program point L48-1(line 48) the Hoare annotation is: (and (<= (mod ~var_1_9~0 256) 0) (= (mod ~var_1_8~0 256) 1)) [2023-11-19 07:45:12,330 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 80 91) no Hoare annotation was computed. [2023-11-19 07:45:12,330 INFO L899 garLoopResultBuilder]: For program point L69(line 69) no Hoare annotation was computed. [2023-11-19 07:45:12,330 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 44) no Hoare annotation was computed. [2023-11-19 07:45:12,331 INFO L895 garLoopResultBuilder]: At program point L65(line 65) the Hoare annotation is: (and (<= (mod ~var_1_9~0 256) 0) (= (mod ~var_1_8~0 256) 1)) [2023-11-19 07:45:12,331 INFO L895 garLoopResultBuilder]: At program point L65-1(line 65) the Hoare annotation is: (and (<= (mod ~var_1_9~0 256) 0) (= (mod ~var_1_8~0 256) 1)) [2023-11-19 07:45:12,331 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:45:12,331 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:45:12,331 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-19 07:45:12,331 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2023-11-19 07:45:12,332 INFO L899 garLoopResultBuilder]: For program point property_returnLabel#1(lines 76 79) no Hoare annotation was computed. [2023-11-19 07:45:12,332 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 75) no Hoare annotation was computed. [2023-11-19 07:45:12,332 INFO L899 garLoopResultBuilder]: For program point L37(lines 37 41) no Hoare annotation was computed. [2023-11-19 07:45:12,332 INFO L899 garLoopResultBuilder]: For program point L66(line 66) no Hoare annotation was computed. [2023-11-19 07:45:12,332 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 45) no Hoare annotation was computed. [2023-11-19 07:45:12,332 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:45:12,332 INFO L895 garLoopResultBuilder]: At program point L62(line 62) the Hoare annotation is: (and (<= (mod ~var_1_9~0 256) 0) (= (mod ~var_1_8~0 256) 1)) [2023-11-19 07:45:12,333 INFO L895 garLoopResultBuilder]: At program point L62-1(line 62) the Hoare annotation is: (and (<= (mod ~var_1_9~0 256) 0) (= (mod ~var_1_8~0 256) 1)) [2023-11-19 07:45:12,333 INFO L895 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: (and (<= (mod ~var_1_9~0 256) 0) (= (mod ~var_1_8~0 256) 1)) [2023-11-19 07:45:12,333 INFO L895 garLoopResultBuilder]: At program point L58-1(line 58) the Hoare annotation is: (and (<= (mod ~var_1_9~0 256) 0) (= (mod ~var_1_8~0 256) 1)) [2023-11-19 07:45:12,333 INFO L895 garLoopResultBuilder]: At program point L54(line 54) the Hoare annotation is: (and (<= (mod ~var_1_9~0 256) 0) (= (mod ~var_1_8~0 256) 1)) [2023-11-19 07:45:12,333 INFO L895 garLoopResultBuilder]: At program point L54-1(line 54) the Hoare annotation is: (and (<= (mod ~var_1_9~0 256) 0) (= (mod ~var_1_8~0 256) 1)) [2023-11-19 07:45:12,333 INFO L895 garLoopResultBuilder]: At program point L83-2(lines 83 89) the Hoare annotation is: (let ((.cse4 (mod (div (mod (div (mod ~var_1_3~0 4294967296) (mod ~var_1_4~0 4294967296)) 4294967296) (mod ~var_1_5~0 4294967296)) 4294967296)) (.cse3 (mod ~var_1_2~0 4294967296)) (.cse5 (mod ~var_1_9~0 256))) (let ((.cse1 (<= 1 |ULTIMATE.start_property_#res#1|)) (.cse6 (mod ~var_1_1~0 256)) (.cse0 (<= .cse5 0)) (.cse2 (= (mod ~var_1_8~0 256) 1)) (.cse7 (<= .cse4 .cse3))) (or (and .cse0 .cse1 .cse2 (< .cse3 .cse4) (= .cse5 .cse6)) (and .cse0 .cse1 (= .cse6 1) .cse2 .cse7) (and (= ~var_1_1~0 1) .cse0 .cse2 .cse7)))) [2023-11-19 07:45:12,334 INFO L899 garLoopResultBuilder]: For program point L83-3(lines 83 89) no Hoare annotation was computed. [2023-11-19 07:45:12,334 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:45:12,334 INFO L895 garLoopResultBuilder]: At program point L71(line 71) the Hoare annotation is: (= (mod ~var_1_8~0 256) 1) [2023-11-19 07:45:12,334 INFO L895 garLoopResultBuilder]: At program point L71-1(line 71) the Hoare annotation is: (= (mod ~var_1_8~0 256) 1) [2023-11-19 07:45:12,334 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2023-11-19 07:45:12,334 INFO L895 garLoopResultBuilder]: At program point L59(line 59) the Hoare annotation is: (and (<= (mod ~var_1_9~0 256) 0) (= (mod ~var_1_8~0 256) 1)) [2023-11-19 07:45:12,335 INFO L895 garLoopResultBuilder]: At program point L55(line 55) the Hoare annotation is: (and (<= (mod ~var_1_9~0 256) 0) (= (mod ~var_1_8~0 256) 1)) [2023-11-19 07:45:12,335 INFO L895 garLoopResultBuilder]: At program point L51(line 51) the Hoare annotation is: (and (<= (mod ~var_1_9~0 256) 0) (= (mod ~var_1_8~0 256) 1)) [2023-11-19 07:45:12,335 INFO L895 garLoopResultBuilder]: At program point L51-1(line 51) the Hoare annotation is: (and (<= (mod ~var_1_9~0 256) 0) (= (mod ~var_1_8~0 256) 1)) [2023-11-19 07:45:12,335 INFO L899 garLoopResultBuilder]: For program point L72(lines 46 73) no Hoare annotation was computed. [2023-11-19 07:45:12,335 INFO L902 garLoopResultBuilder]: At program point L68(line 68) the Hoare annotation is: true [2023-11-19 07:45:12,335 INFO L895 garLoopResultBuilder]: At program point L68-1(line 68) the Hoare annotation is: (< 0 (mod ~var_1_8~0 256)) [2023-11-19 07:45:12,335 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-19 07:45:12,336 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-11-19 07:45:12,336 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-11-19 07:45:12,340 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-19 07:45:12,345 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 07:45:12,347 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:45:12,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:45:12 BoogieIcfgContainer [2023-11-19 07:45:12,370 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:45:12,370 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:45:12,371 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:45:12,371 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:45:12,371 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:40" (3/4) ... [2023-11-19 07:45:12,373 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:45:12,378 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-19 07:45:12,384 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-19 07:45:12,385 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:45:12,385 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:45:12,385 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:45:12,414 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((var_1_9 % 256) <= 0) && (1 <= \result)) && ((var_1_8 % 256) == 1)) && ((var_1_2 % 4294967296) < (((((var_1_3 % 4294967296) / (var_1_4 % 4294967296)) % 4294967296) / (var_1_5 % 4294967296)) % 4294967296))) && ((var_1_9 % 256) == (var_1_1 % 256))) || ((((((var_1_9 % 256) <= 0) && (1 <= \result)) && ((var_1_1 % 256) == 1)) && ((var_1_8 % 256) == 1)) && ((((((var_1_3 % 4294967296) / (var_1_4 % 4294967296)) % 4294967296) / (var_1_5 % 4294967296)) % 4294967296) <= (var_1_2 % 4294967296)))) || ((((var_1_1 == 1) && ((var_1_9 % 256) <= 0)) && ((var_1_8 % 256) == 1)) && ((((((var_1_3 % 4294967296) / (var_1_4 % 4294967296)) % 4294967296) / (var_1_5 % 4294967296)) % 4294967296) <= (var_1_2 % 4294967296)))) [2023-11-19 07:45:12,437 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((var_1_9 % 256) <= 0) && (1 <= \result)) && ((var_1_8 % 256) == 1)) && ((var_1_2 % 4294967296) < (((((var_1_3 % 4294967296) / (var_1_4 % 4294967296)) % 4294967296) / (var_1_5 % 4294967296)) % 4294967296))) && ((var_1_9 % 256) == (var_1_1 % 256))) || ((((((var_1_9 % 256) <= 0) && (1 <= \result)) && ((var_1_1 % 256) == 1)) && ((var_1_8 % 256) == 1)) && ((((((var_1_3 % 4294967296) / (var_1_4 % 4294967296)) % 4294967296) / (var_1_5 % 4294967296)) % 4294967296) <= (var_1_2 % 4294967296)))) || ((((var_1_1 == 1) && ((var_1_9 % 256) <= 0)) && ((var_1_8 % 256) == 1)) && ((((((var_1_3 % 4294967296) / (var_1_4 % 4294967296)) % 4294967296) / (var_1_5 % 4294967296)) % 4294967296) <= (var_1_2 % 4294967296)))) [2023-11-19 07:45:12,482 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:45:12,482 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:45:12,483 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:45:12,484 INFO L158 Benchmark]: Toolchain (without parser) took 32280.49ms. Allocated memory was 157.3MB in the beginning and 394.3MB in the end (delta: 237.0MB). Free memory was 124.5MB in the beginning and 286.3MB in the end (delta: -161.8MB). Peak memory consumption was 76.6MB. Max. memory is 16.1GB. [2023-11-19 07:45:12,484 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 157.3MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:45:12,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.00ms. Allocated memory is still 157.3MB. Free memory was 124.0MB in the beginning and 112.8MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:45:12,485 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.28ms. Allocated memory is still 157.3MB. Free memory was 112.8MB in the beginning and 110.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:45:12,485 INFO L158 Benchmark]: Boogie Preprocessor took 28.28ms. Allocated memory is still 157.3MB. Free memory was 110.8MB in the beginning and 109.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:45:12,486 INFO L158 Benchmark]: RCFGBuilder took 389.06ms. Allocated memory is still 157.3MB. Free memory was 109.2MB in the beginning and 95.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:45:12,486 INFO L158 Benchmark]: TraceAbstraction took 31437.16ms. Allocated memory was 157.3MB in the beginning and 394.3MB in the end (delta: 237.0MB). Free memory was 94.8MB in the beginning and 291.5MB in the end (delta: -196.7MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2023-11-19 07:45:12,487 INFO L158 Benchmark]: Witness Printer took 112.41ms. Allocated memory is still 394.3MB. Free memory was 291.5MB in the beginning and 286.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:45:12,489 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 157.3MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.00ms. Allocated memory is still 157.3MB. Free memory was 124.0MB in the beginning and 112.8MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.28ms. Allocated memory is still 157.3MB. Free memory was 112.8MB in the beginning and 110.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.28ms. Allocated memory is still 157.3MB. Free memory was 110.8MB in the beginning and 109.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 389.06ms. Allocated memory is still 157.3MB. Free memory was 109.2MB in the beginning and 95.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 31437.16ms. Allocated memory was 157.3MB in the beginning and 394.3MB in the end (delta: 237.0MB). Free memory was 94.8MB in the beginning and 291.5MB in the end (delta: -196.7MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * Witness Printer took 112.41ms. Allocated memory is still 394.3MB. Free memory was 291.5MB in the beginning and 286.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.4s, OverallIterations: 2, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 mSolverCounterUnknown, 200 SdHoareTripleChecker+Valid, 6.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 167 mSDsluCounter, 745 SdHoareTripleChecker+Invalid, 6.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 8 IncrementalHoareTripleChecker+Unchecked, 580 mSDsCounter, 142 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1017 IncrementalHoareTripleChecker+Invalid, 1177 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 142 mSolverCounterUnsat, 165 mSDtfsCounter, 1017 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 463 GetRequests, 395 SyntacticMatches, 4 SemanticMatches, 64 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 613 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 35 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 73 PreInvPairs, 113 NumberOfFragments, 283 HoareAnnotationTreeSize, 73 FomulaSimplifications, 30 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 389 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 20.7s InterpolantComputationTime, 217 NumberOfCodeBlocks, 217 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 430 ConstructedInterpolants, 2 QuantifiedInterpolants, 1447 SizeOfPredicates, 44 NumberOfNonLiveVariables, 485 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 2430/2448 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: 83]: Loop Invariant Derived loop invariant: ((((((((var_1_9 % 256) <= 0) && (1 <= \result)) && ((var_1_8 % 256) == 1)) && ((var_1_2 % 4294967296) < (((((var_1_3 % 4294967296) / (var_1_4 % 4294967296)) % 4294967296) / (var_1_5 % 4294967296)) % 4294967296))) && ((var_1_9 % 256) == (var_1_1 % 256))) || ((((((var_1_9 % 256) <= 0) && (1 <= \result)) && ((var_1_1 % 256) == 1)) && ((var_1_8 % 256) == 1)) && ((((((var_1_3 % 4294967296) / (var_1_4 % 4294967296)) % 4294967296) / (var_1_5 % 4294967296)) % 4294967296) <= (var_1_2 % 4294967296)))) || ((((var_1_1 == 1) && ((var_1_9 % 256) <= 0)) && ((var_1_8 % 256) == 1)) && ((((((var_1_3 % 4294967296) / (var_1_4 % 4294967296)) % 4294967296) / (var_1_5 % 4294967296)) % 4294967296) <= (var_1_2 % 4294967296)))) RESULT: Ultimate proved your program to be correct! [2023-11-19 07:45:12,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cc7ffd-a95d-4cea-861a-a41d72d14bbd/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