./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-88.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0300acdf-58ed-4adf-a3c2-ed5168443707/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0300acdf-58ed-4adf-a3c2-ed5168443707/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0300acdf-58ed-4adf-a3c2-ed5168443707/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0300acdf-58ed-4adf-a3c2-ed5168443707/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0300acdf-58ed-4adf-a3c2-ed5168443707/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0300acdf-58ed-4adf-a3c2-ed5168443707/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ed30b990283645eacfcf3ec95d058dabc11775aacfdc34a24bd9c1336ca33bd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:27:04,089 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:27:04,170 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0300acdf-58ed-4adf-a3c2-ed5168443707/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 17:27:04,174 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:27:04,175 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:27:04,199 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:27:04,200 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:27:04,200 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:27:04,201 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:27:04,201 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:27:04,202 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:27:04,202 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:27:04,203 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:27:04,203 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 17:27:04,204 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:27:04,204 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:27:04,205 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 17:27:04,205 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 17:27:04,206 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:27:04,206 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 17:27:04,207 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 17:27:04,208 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 17:27:04,208 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:27:04,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:27:04,209 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:27:04,210 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:27:04,210 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:27:04,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:27:04,211 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:27:04,211 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:27:04,211 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:27:04,212 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:27:04,212 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:27:04,213 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:27:04,213 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:27:04,213 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:27:04,213 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:27:04,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:27:04,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:27:04,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:27:04,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:27:04,214 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 17:27:04,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 17:27:04,215 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:27:04,215 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:27:04,215 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:27:04,215 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:27:04,216 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_0300acdf-58ed-4adf-a3c2-ed5168443707/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0300acdf-58ed-4adf-a3c2-ed5168443707/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ed30b990283645eacfcf3ec95d058dabc11775aacfdc34a24bd9c1336ca33bd [2023-12-02 17:27:04,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:27:04,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:27:04,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:27:04,462 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:27:04,463 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:27:04,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0300acdf-58ed-4adf-a3c2-ed5168443707/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-88.i [2023-12-02 17:27:07,142 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:27:07,329 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:27:07,330 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0300acdf-58ed-4adf-a3c2-ed5168443707/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-88.i [2023-12-02 17:27:07,339 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0300acdf-58ed-4adf-a3c2-ed5168443707/bin/utaipan-verify-nQ1chXbOIh/data/718c44f24/5fe8d47ea4934a5196c54d5ce1c4ae70/FLAG621dfe861 [2023-12-02 17:27:07,350 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0300acdf-58ed-4adf-a3c2-ed5168443707/bin/utaipan-verify-nQ1chXbOIh/data/718c44f24/5fe8d47ea4934a5196c54d5ce1c4ae70 [2023-12-02 17:27:07,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:27:07,353 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:27:07,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:27:07,354 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:27:07,359 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:27:07,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:27:07" (1/1) ... [2023-12-02 17:27:07,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68212d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:07, skipping insertion in model container [2023-12-02 17:27:07,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:27:07" (1/1) ... [2023-12-02 17:27:07,392 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:27:07,516 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_0300acdf-58ed-4adf-a3c2-ed5168443707/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-88.i[916,929] [2023-12-02 17:27:07,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:27:07,583 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:27:07,593 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_0300acdf-58ed-4adf-a3c2-ed5168443707/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-88.i[916,929] [2023-12-02 17:27:07,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:27:07,649 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:27:07,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:07 WrapperNode [2023-12-02 17:27:07,649 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:27:07,650 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:27:07,650 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:27:07,650 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:27:07,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:07" (1/1) ... [2023-12-02 17:27:07,671 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:07" (1/1) ... [2023-12-02 17:27:07,712 INFO L138 Inliner]: procedures = 29, calls = 163, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 458 [2023-12-02 17:27:07,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:27:07,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:27:07,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:27:07,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:27:07,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:07" (1/1) ... [2023-12-02 17:27:07,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:07" (1/1) ... [2023-12-02 17:27:07,727 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:07" (1/1) ... [2023-12-02 17:27:07,727 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:07" (1/1) ... [2023-12-02 17:27:07,751 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:07" (1/1) ... [2023-12-02 17:27:07,756 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:07" (1/1) ... [2023-12-02 17:27:07,759 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:07" (1/1) ... [2023-12-02 17:27:07,762 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:07" (1/1) ... [2023-12-02 17:27:07,768 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:27:07,769 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:27:07,769 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:27:07,769 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:27:07,770 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:07" (1/1) ... [2023-12-02 17:27:07,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:27:07,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0300acdf-58ed-4adf-a3c2-ed5168443707/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:27:07,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0300acdf-58ed-4adf-a3c2-ed5168443707/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:27:07,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0300acdf-58ed-4adf-a3c2-ed5168443707/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:27:07,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:27:07,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 17:27:07,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 17:27:07,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 17:27:07,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 17:27:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-02 17:27:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 17:27:07,845 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 17:27:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 17:27:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:27:07,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:27:07,965 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:27:07,967 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:27:08,390 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:27:08,967 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:27:08,968 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 17:27:08,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:27:08 BoogieIcfgContainer [2023-12-02 17:27:08,969 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:27:08,972 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:27:08,972 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:27:08,974 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:27:08,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:27:07" (1/3) ... [2023-12-02 17:27:08,975 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b0cdd76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:27:08, skipping insertion in model container [2023-12-02 17:27:08,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:07" (2/3) ... [2023-12-02 17:27:08,975 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b0cdd76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:27:08, skipping insertion in model container [2023-12-02 17:27:08,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:27:08" (3/3) ... [2023-12-02 17:27:08,977 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-88.i [2023-12-02 17:27:08,990 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:27:08,990 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 17:27:09,030 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:27:09,035 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=FINITE_AUTOMATA, 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;@7723da8a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:27:09,036 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 17:27:09,039 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-02 17:27:09,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 17:27:09,047 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:27:09,048 INFO L195 NwaCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:27:09,048 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:27:09,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:27:09,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1002774773, now seen corresponding path program 1 times [2023-12-02 17:27:09,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:27:09,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452685694] [2023-12-02 17:27:09,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:27:09,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:27:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:27:42,264 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 14 proven. 28 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2023-12-02 17:27:42,265 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:27:42,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452685694] [2023-12-02 17:27:42,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452685694] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:27:42,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46425215] [2023-12-02 17:27:42,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:27:42,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:27:42,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0300acdf-58ed-4adf-a3c2-ed5168443707/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:27:42,272 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0300acdf-58ed-4adf-a3c2-ed5168443707/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:27:42,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0300acdf-58ed-4adf-a3c2-ed5168443707/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 17:27:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:27:45,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 113 conjunts are in the unsatisfiable core [2023-12-02 17:27:45,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:27:46,129 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 17:27:46,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 69 treesize of output 68 [2023-12-02 17:27:46,572 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 17:27:46,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 62 treesize of output 65 [2023-12-02 17:27:46,839 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 17:27:46,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 62 treesize of output 65 [2023-12-02 17:27:47,242 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 17:27:47,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 69 treesize of output 75 [2023-12-02 17:27:47,722 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 17:27:47,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 76 treesize of output 85 [2023-12-02 17:27:47,985 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 17:27:47,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 76 treesize of output 85 [2023-12-02 17:27:48,453 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 17:27:48,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 85 treesize of output 97 [2023-12-02 17:27:48,718 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 17:27:48,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 85 treesize of output 97 [2023-12-02 17:27:48,879 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 17:27:48,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 85 treesize of output 90 [2023-12-02 17:27:52,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 222 [2023-12-02 17:27:52,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 123 [2023-12-02 17:27:52,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 173 [2023-12-02 17:28:01,566 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 145 proven. 87 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 17:28:01,567 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:28:05,676 INFO L349 Elim1Store]: treesize reduction 5, result has 16.7 percent of original size [2023-12-02 17:28:05,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 187 treesize of output 1 [2023-12-02 17:28:05,774 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2023-12-02 17:28:05,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46425215] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 17:28:05,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 17:28:05,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [15, 14] total 28 [2023-12-02 17:28:05,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385461432] [2023-12-02 17:28:05,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:28:05,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:28:05,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:28:05,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:28:05,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=652, Unknown=0, NotChecked=0, Total=756 [2023-12-02 17:28:05,807 INFO L87 Difference]: Start difference. First operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 17:28:06,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:28:06,215 INFO L93 Difference]: Finished difference Result 82 states and 117 transitions. [2023-12-02 17:28:06,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:28:06,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 72 [2023-12-02 17:28:06,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:28:06,223 INFO L225 Difference]: With dead ends: 82 [2023-12-02 17:28:06,223 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 17:28:06,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=104, Invalid=652, Unknown=0, NotChecked=0, Total=756 [2023-12-02 17:28:06,229 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 1 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 17:28:06,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 99 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 17:28:06,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 17:28:06,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 17:28:06,250 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) [2023-12-02 17:28:06,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 17:28:06,251 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2023-12-02 17:28:06,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:28:06,252 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 17:28:06,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 17:28:06,252 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 17:28:06,252 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 17:28:06,254 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 17:28:06,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0300acdf-58ed-4adf-a3c2-ed5168443707/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 17:28:06,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0300acdf-58ed-4adf-a3c2-ed5168443707/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 17:28:06,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 17:28:06,470 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-12-02 17:28:06,470 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-12-02 17:28:06,470 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-12-02 17:28:06,471 INFO L902 garLoopResultBuilder]: At program point L102(line 102) the Hoare annotation is: true [2023-12-02 17:28:06,471 INFO L899 garLoopResultBuilder]: For program point L102-1(line 102) no Hoare annotation was computed. [2023-12-02 17:28:06,471 INFO L902 garLoopResultBuilder]: At program point L104(line 104) the Hoare annotation is: true [2023-12-02 17:28:06,471 INFO L899 garLoopResultBuilder]: For program point L104-1(line 104) no Hoare annotation was computed. [2023-12-02 17:28:06,471 INFO L902 garLoopResultBuilder]: At program point L105(line 105) the Hoare annotation is: true [2023-12-02 17:28:06,471 INFO L899 garLoopResultBuilder]: For program point L105-1(line 105) no Hoare annotation was computed. [2023-12-02 17:28:06,471 INFO L902 garLoopResultBuilder]: At program point L107(line 107) the Hoare annotation is: true [2023-12-02 17:28:06,471 INFO L899 garLoopResultBuilder]: For program point L107-1(line 107) no Hoare annotation was computed. [2023-12-02 17:28:06,472 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 17:28:06,472 INFO L902 garLoopResultBuilder]: At program point L108(line 108) the Hoare annotation is: true [2023-12-02 17:28:06,472 INFO L899 garLoopResultBuilder]: For program point L108-1(line 108) no Hoare annotation was computed. [2023-12-02 17:28:06,472 INFO L902 garLoopResultBuilder]: At program point L92(line 92) the Hoare annotation is: true [2023-12-02 17:28:06,472 INFO L899 garLoopResultBuilder]: For program point L92-1(line 92) no Hoare annotation was computed. [2023-12-02 17:28:06,472 INFO L902 garLoopResultBuilder]: At program point L93(line 93) the Hoare annotation is: true [2023-12-02 17:28:06,472 INFO L899 garLoopResultBuilder]: For program point L93-1(line 93) no Hoare annotation was computed. [2023-12-02 17:28:06,472 INFO L902 garLoopResultBuilder]: At program point L110(line 110) the Hoare annotation is: true [2023-12-02 17:28:06,473 INFO L899 garLoopResultBuilder]: For program point L110-1(line 110) no Hoare annotation was computed. [2023-12-02 17:28:06,473 INFO L902 garLoopResultBuilder]: At program point L111(line 111) the Hoare annotation is: true [2023-12-02 17:28:06,473 INFO L899 garLoopResultBuilder]: For program point L111-1(line 111) no Hoare annotation was computed. [2023-12-02 17:28:06,473 INFO L902 garLoopResultBuilder]: At program point L95(line 95) the Hoare annotation is: true [2023-12-02 17:28:06,473 INFO L899 garLoopResultBuilder]: For program point L95-1(line 95) no Hoare annotation was computed. [2023-12-02 17:28:06,473 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 17:28:06,473 INFO L902 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: true [2023-12-02 17:28:06,474 INFO L899 garLoopResultBuilder]: For program point L96-1(line 96) no Hoare annotation was computed. [2023-12-02 17:28:06,474 INFO L902 garLoopResultBuilder]: At program point L113-8(line 113) the Hoare annotation is: true [2023-12-02 17:28:06,474 INFO L899 garLoopResultBuilder]: For program point L113-9(line 113) no Hoare annotation was computed. [2023-12-02 17:28:06,474 INFO L902 garLoopResultBuilder]: At program point L130-2(lines 130 136) the Hoare annotation is: true [2023-12-02 17:28:06,474 INFO L902 garLoopResultBuilder]: At program point L98(line 98) the Hoare annotation is: true [2023-12-02 17:28:06,474 INFO L899 garLoopResultBuilder]: For program point L98-1(line 98) no Hoare annotation was computed. [2023-12-02 17:28:06,474 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-12-02 17:28:06,475 INFO L902 garLoopResultBuilder]: At program point L115(line 115) the Hoare annotation is: true [2023-12-02 17:28:06,475 INFO L899 garLoopResultBuilder]: For program point L115-1(line 115) no Hoare annotation was computed. [2023-12-02 17:28:06,475 INFO L902 garLoopResultBuilder]: At program point L99(line 99) the Hoare annotation is: true [2023-12-02 17:28:06,475 INFO L899 garLoopResultBuilder]: For program point L99-1(line 99) no Hoare annotation was computed. [2023-12-02 17:28:06,475 INFO L902 garLoopResultBuilder]: At program point L116(line 116) the Hoare annotation is: true [2023-12-02 17:28:06,475 INFO L899 garLoopResultBuilder]: For program point L116-1(line 116) no Hoare annotation was computed. [2023-12-02 17:28:06,475 INFO L902 garLoopResultBuilder]: At program point L101(line 101) the Hoare annotation is: true [2023-12-02 17:28:06,476 INFO L899 garLoopResultBuilder]: For program point L101-1(line 101) no Hoare annotation was computed. [2023-12-02 17:28:06,476 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-12-02 17:28:06,476 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-12-02 17:28:06,479 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 17:28:06,480 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 17:28:06,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:28:06 BoogieIcfgContainer [2023-12-02 17:28:06,488 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 17:28:06,489 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 17:28:06,489 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 17:28:06,489 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 17:28:06,489 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:27:08" (3/4) ... [2023-12-02 17:28:06,491 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 17:28:06,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 17:28:06,506 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 78 nodes and edges [2023-12-02 17:28:06,507 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-12-02 17:28:06,508 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 17:28:06,510 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 17:28:06,643 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0300acdf-58ed-4adf-a3c2-ed5168443707/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 17:28:06,644 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0300acdf-58ed-4adf-a3c2-ed5168443707/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 17:28:06,644 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 17:28:06,645 INFO L158 Benchmark]: Toolchain (without parser) took 59291.53ms. Allocated memory was 155.2MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 121.6MB in the beginning and 495.9MB in the end (delta: -374.3MB). Peak memory consumption was 750.4MB. Max. memory is 16.1GB. [2023-12-02 17:28:06,645 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 115.3MB. Free memory is still 88.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:28:06,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.72ms. Allocated memory is still 155.2MB. Free memory was 121.0MB in the beginning and 104.9MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 17:28:06,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.33ms. Allocated memory is still 155.2MB. Free memory was 104.9MB in the beginning and 100.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 17:28:06,646 INFO L158 Benchmark]: Boogie Preprocessor took 55.36ms. Allocated memory is still 155.2MB. Free memory was 100.7MB in the beginning and 97.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 17:28:06,646 INFO L158 Benchmark]: RCFGBuilder took 1200.03ms. Allocated memory is still 155.2MB. Free memory was 97.3MB in the beginning and 66.6MB in the end (delta: 30.7MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2023-12-02 17:28:06,646 INFO L158 Benchmark]: TraceAbstraction took 57516.42ms. Allocated memory was 155.2MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 65.5MB in the beginning and 507.5MB in the end (delta: -441.9MB). Peak memory consumption was 684.2MB. Max. memory is 16.1GB. [2023-12-02 17:28:06,647 INFO L158 Benchmark]: Witness Printer took 155.42ms. Allocated memory is still 1.3GB. Free memory was 507.5MB in the beginning and 495.9MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 17:28:06,649 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 115.3MB. Free memory is still 88.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.72ms. Allocated memory is still 155.2MB. Free memory was 121.0MB in the beginning and 104.9MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.33ms. Allocated memory is still 155.2MB. Free memory was 104.9MB in the beginning and 100.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.36ms. Allocated memory is still 155.2MB. Free memory was 100.7MB in the beginning and 97.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1200.03ms. Allocated memory is still 155.2MB. Free memory was 97.3MB in the beginning and 66.6MB in the end (delta: 30.7MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * TraceAbstraction took 57516.42ms. Allocated memory was 155.2MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 65.5MB in the beginning and 507.5MB in the end (delta: -441.9MB). Peak memory consumption was 684.2MB. Max. memory is 16.1GB. * Witness Printer took 155.42ms. Allocated memory is still 1.3GB. Free memory was 507.5MB in the beginning and 495.9MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. 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, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 57.5s, OverallIterations: 1, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 99 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 49 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 50 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 167 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 52 PreInvPairs, 70 NumberOfFragments, 19 HoareAnnotationTreeSize, 52 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 5.5s SatisfiabilityAnalysisTime, 50.8s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 213 ConstructedInterpolants, 0 QuantifiedInterpolants, 7501 SizeOfPredicates, 23 NumberOfNonLiveVariables, 407 ConjunctsInSsa, 113 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 701/816 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: 130]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-02 17:28:06,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0300acdf-58ed-4adf-a3c2-ed5168443707/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE