./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-90.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a43c69c-68c7-4810-937e-d4a40f96fbe5/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a43c69c-68c7-4810-937e-d4a40f96fbe5/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_7a43c69c-68c7-4810-937e-d4a40f96fbe5/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a43c69c-68c7-4810-937e-d4a40f96fbe5/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-90.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a43c69c-68c7-4810-937e-d4a40f96fbe5/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_7a43c69c-68c7-4810-937e-d4a40f96fbe5/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 6e77bebacf9cc027e4e188a98d7f434947d60e1a94e9441a91471f1ac89fe261 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:32:44,356 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:32:44,421 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a43c69c-68c7-4810-937e-d4a40f96fbe5/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 13:32:44,426 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:32:44,426 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:32:44,451 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:32:44,451 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:32:44,452 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:32:44,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:32:44,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:32:44,454 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:32:44,454 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:32:44,455 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:32:44,455 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:32:44,456 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:32:44,456 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:32:44,456 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:32:44,457 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:32:44,457 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:32:44,458 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:32:44,458 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:32:44,459 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:32:44,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:32:44,460 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:32:44,461 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:32:44,461 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:32:44,462 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:32:44,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:32:44,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:32:44,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:32:44,463 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:32:44,464 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:32:44,464 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:32:44,464 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:32:44,464 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:32:44,465 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:32:44,465 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:32:44,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:32:44,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:32:44,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:32:44,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:32:44,466 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:32:44,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:32:44,466 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:32:44,467 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:32:44,467 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:32:44,467 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:32:44,467 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_7a43c69c-68c7-4810-937e-d4a40f96fbe5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a43c69c-68c7-4810-937e-d4a40f96fbe5/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e77bebacf9cc027e4e188a98d7f434947d60e1a94e9441a91471f1ac89fe261 [2023-12-02 13:32:44,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:32:44,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:32:44,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:32:44,719 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:32:44,719 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:32:44,720 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a43c69c-68c7-4810-937e-d4a40f96fbe5/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-90.i [2023-12-02 13:32:47,468 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:32:47,655 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:32:47,656 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a43c69c-68c7-4810-937e-d4a40f96fbe5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-90.i [2023-12-02 13:32:47,665 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a43c69c-68c7-4810-937e-d4a40f96fbe5/bin/utaipan-verify-nQ1chXbOIh/data/b4797b58e/31221ad789424295a20f2763a409add5/FLAG36abbde40 [2023-12-02 13:32:47,679 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a43c69c-68c7-4810-937e-d4a40f96fbe5/bin/utaipan-verify-nQ1chXbOIh/data/b4797b58e/31221ad789424295a20f2763a409add5 [2023-12-02 13:32:47,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:32:47,683 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:32:47,685 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:32:47,685 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:32:47,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:32:47,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:32:47" (1/1) ... [2023-12-02 13:32:47,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eea3b68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:47, skipping insertion in model container [2023-12-02 13:32:47,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:32:47" (1/1) ... [2023-12-02 13:32:47,723 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:32:47,866 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_7a43c69c-68c7-4810-937e-d4a40f96fbe5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-90.i[916,929] [2023-12-02 13:32:47,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:32:47,925 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:32:47,938 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_7a43c69c-68c7-4810-937e-d4a40f96fbe5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-90.i[916,929] [2023-12-02 13:32:47,969 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:32:47,988 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:32:47,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:47 WrapperNode [2023-12-02 13:32:47,989 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:32:47,990 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:32:47,990 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:32:47,990 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:32:47,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:47" (1/1) ... [2023-12-02 13:32:48,010 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:47" (1/1) ... [2023-12-02 13:32:48,045 INFO L138 Inliner]: procedures = 26, calls = 162, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 407 [2023-12-02 13:32:48,046 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:32:48,047 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:32:48,047 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:32:48,047 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:32:48,056 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:47" (1/1) ... [2023-12-02 13:32:48,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:47" (1/1) ... [2023-12-02 13:32:48,062 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:47" (1/1) ... [2023-12-02 13:32:48,062 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:47" (1/1) ... [2023-12-02 13:32:48,082 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:47" (1/1) ... [2023-12-02 13:32:48,086 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:47" (1/1) ... [2023-12-02 13:32:48,089 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:47" (1/1) ... [2023-12-02 13:32:48,092 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:47" (1/1) ... [2023-12-02 13:32:48,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:32:48,098 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:32:48,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:32:48,098 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:32:48,099 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:47" (1/1) ... [2023-12-02 13:32:48,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:32:48,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a43c69c-68c7-4810-937e-d4a40f96fbe5/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:32:48,127 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a43c69c-68c7-4810-937e-d4a40f96fbe5/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:32:48,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a43c69c-68c7-4810-937e-d4a40f96fbe5/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:32:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:32:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 13:32:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 13:32:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:32:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:32:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:32:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:32:48,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:32:48,253 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:32:48,255 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:32:48,671 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:32:49,283 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:32:49,283 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:32:49,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:32:49 BoogieIcfgContainer [2023-12-02 13:32:49,285 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:32:49,288 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:32:49,288 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:32:49,291 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:32:49,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:32:47" (1/3) ... [2023-12-02 13:32:49,292 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@406983a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:32:49, skipping insertion in model container [2023-12-02 13:32:49,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:47" (2/3) ... [2023-12-02 13:32:49,292 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@406983a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:32:49, skipping insertion in model container [2023-12-02 13:32:49,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:32:49" (3/3) ... [2023-12-02 13:32:49,294 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-90.i [2023-12-02 13:32:49,312 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:32:49,312 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:32:49,359 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:32:49,366 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;@2b9793ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:32:49,366 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:32:49,370 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 27 states have internal predecessors, (29), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-02 13:32:49,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 13:32:49,382 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:32:49,382 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:32:49,383 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:32:49,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:32:49,388 INFO L85 PathProgramCache]: Analyzing trace with hash -298676628, now seen corresponding path program 1 times [2023-12-02 13:32:49,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:32:49,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425043006] [2023-12-02 13:32:49,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:32:49,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:32:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:33:35,023 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 35 proven. 49 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2023-12-02 13:33:35,023 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:33:35,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425043006] [2023-12-02 13:33:35,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425043006] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:33:35,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057801180] [2023-12-02 13:33:35,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:33:35,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:33:35,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a43c69c-68c7-4810-937e-d4a40f96fbe5/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:33:35,026 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a43c69c-68c7-4810-937e-d4a40f96fbe5/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:33:35,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a43c69c-68c7-4810-937e-d4a40f96fbe5/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 13:33:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:33:37,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 153 conjunts are in the unsatisfiable core [2023-12-02 13:33:37,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:33:37,651 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 13:33:37,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 125 treesize of output 148 [2023-12-02 13:33:38,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 150 [2023-12-02 13:33:39,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 155 [2023-12-02 13:33:40,499 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 13:33:40,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 145 treesize of output 160 [2023-12-02 13:33:41,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 160 [2023-12-02 13:33:42,404 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 13:33:42,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 147 treesize of output 162 [2023-12-02 13:33:43,414 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 13:33:43,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 149 treesize of output 164 [2023-12-02 13:33:44,024 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 13:33:44,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 142 treesize of output 154 [2023-12-02 13:33:45,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 156 [2023-12-02 13:33:47,376 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 13:33:47,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 146 treesize of output 158 [2023-12-02 13:33:51,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 225 [2023-12-02 13:33:57,818 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 8 proven. 363 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 13:33:57,818 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:34:04,632 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-12-02 13:34:04,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057801180] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 13:34:04,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 13:34:04,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [22, 40] total 61 [2023-12-02 13:34:04,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676466261] [2023-12-02 13:34:04,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:34:04,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:34:04,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:34:04,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:34:04,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=3373, Unknown=0, NotChecked=0, Total=3660 [2023-12-02 13:34:04,664 INFO L87 Difference]: Start difference. First operand has 49 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 27 states have internal predecessors, (29), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 13:34:04,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:34:04,925 INFO L93 Difference]: Finished difference Result 94 states and 135 transitions. [2023-12-02 13:34:04,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:34:04,927 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 84 [2023-12-02 13:34:04,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:34:04,932 INFO L225 Difference]: With dead ends: 94 [2023-12-02 13:34:04,932 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 13:34:04,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 138 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1370 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=287, Invalid=3373, Unknown=0, NotChecked=0, Total=3660 [2023-12-02 13:34:04,939 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 1 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:34:04,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 119 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 13:34:04,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 13:34:04,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 13:34:04,956 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 13:34:04,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 13:34:04,957 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84 [2023-12-02 13:34:04,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:34:04,957 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 13:34:04,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 13:34:04,958 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 13:34:04,958 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 13:34:04,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 13:34:04,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a43c69c-68c7-4810-937e-d4a40f96fbe5/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:34:05,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a43c69c-68c7-4810-937e-d4a40f96fbe5/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 13:34:05,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 13:34:05,177 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-12-02 13:34:05,177 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-12-02 13:34:05,178 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-12-02 13:34:05,178 INFO L902 garLoopResultBuilder]: At program point L102(line 102) the Hoare annotation is: true [2023-12-02 13:34:05,178 INFO L899 garLoopResultBuilder]: For program point L102-1(line 102) no Hoare annotation was computed. [2023-12-02 13:34:05,178 INFO L902 garLoopResultBuilder]: At program point L119(line 119) the Hoare annotation is: true [2023-12-02 13:34:05,178 INFO L899 garLoopResultBuilder]: For program point L119-1(line 119) no Hoare annotation was computed. [2023-12-02 13:34:05,179 INFO L902 garLoopResultBuilder]: At program point L120(line 120) the Hoare annotation is: true [2023-12-02 13:34:05,179 INFO L899 garLoopResultBuilder]: For program point L120-1(line 120) no Hoare annotation was computed. [2023-12-02 13:34:05,179 INFO L902 garLoopResultBuilder]: At program point L104(line 104) the Hoare annotation is: true [2023-12-02 13:34:05,179 INFO L899 garLoopResultBuilder]: For program point L104-1(line 104) no Hoare annotation was computed. [2023-12-02 13:34:05,179 INFO L902 garLoopResultBuilder]: At program point L137-2(lines 137 143) the Hoare annotation is: true [2023-12-02 13:34:05,179 INFO L902 garLoopResultBuilder]: At program point L105(line 105) the Hoare annotation is: true [2023-12-02 13:34:05,179 INFO L899 garLoopResultBuilder]: For program point L105-1(line 105) no Hoare annotation was computed. [2023-12-02 13:34:05,180 INFO L902 garLoopResultBuilder]: At program point L122(line 122) the Hoare annotation is: true [2023-12-02 13:34:05,180 INFO L899 garLoopResultBuilder]: For program point L122-1(line 122) no Hoare annotation was computed. [2023-12-02 13:34:05,180 INFO L902 garLoopResultBuilder]: At program point L123(line 123) the Hoare annotation is: true [2023-12-02 13:34:05,180 INFO L899 garLoopResultBuilder]: For program point L123-1(line 123) no Hoare annotation was computed. [2023-12-02 13:34:05,180 INFO L902 garLoopResultBuilder]: At program point L107(line 107) the Hoare annotation is: true [2023-12-02 13:34:05,180 INFO L899 garLoopResultBuilder]: For program point L107-1(line 107) no Hoare annotation was computed. [2023-12-02 13:34:05,180 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 13:34:05,181 INFO L902 garLoopResultBuilder]: At program point L108(line 108) the Hoare annotation is: true [2023-12-02 13:34:05,181 INFO L899 garLoopResultBuilder]: For program point L108-1(line 108) no Hoare annotation was computed. [2023-12-02 13:34:05,181 INFO L902 garLoopResultBuilder]: At program point L110(line 110) the Hoare annotation is: true [2023-12-02 13:34:05,181 INFO L899 garLoopResultBuilder]: For program point L110-1(line 110) no Hoare annotation was computed. [2023-12-02 13:34:05,181 INFO L902 garLoopResultBuilder]: At program point L111(line 111) the Hoare annotation is: true [2023-12-02 13:34:05,181 INFO L899 garLoopResultBuilder]: For program point L111-1(line 111) no Hoare annotation was computed. [2023-12-02 13:34:05,182 INFO L902 garLoopResultBuilder]: At program point L95(line 95) the Hoare annotation is: true [2023-12-02 13:34:05,182 INFO L899 garLoopResultBuilder]: For program point L95-1(line 95) no Hoare annotation was computed. [2023-12-02 13:34:05,182 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 13:34:05,182 INFO L902 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: true [2023-12-02 13:34:05,182 INFO L899 garLoopResultBuilder]: For program point L96-1(line 96) no Hoare annotation was computed. [2023-12-02 13:34:05,182 INFO L902 garLoopResultBuilder]: At program point L113(line 113) the Hoare annotation is: true [2023-12-02 13:34:05,182 INFO L899 garLoopResultBuilder]: For program point L113-1(line 113) no Hoare annotation was computed. [2023-12-02 13:34:05,183 INFO L902 garLoopResultBuilder]: At program point L114(line 114) the Hoare annotation is: true [2023-12-02 13:34:05,183 INFO L899 garLoopResultBuilder]: For program point L114-1(line 114) no Hoare annotation was computed. [2023-12-02 13:34:05,183 INFO L902 garLoopResultBuilder]: At program point L98(line 98) the Hoare annotation is: true [2023-12-02 13:34:05,183 INFO L899 garLoopResultBuilder]: For program point L98-1(line 98) no Hoare annotation was computed. [2023-12-02 13:34:05,183 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-12-02 13:34:05,184 INFO L902 garLoopResultBuilder]: At program point L99(line 99) the Hoare annotation is: true [2023-12-02 13:34:05,184 INFO L899 garLoopResultBuilder]: For program point L99-1(line 99) no Hoare annotation was computed. [2023-12-02 13:34:05,184 INFO L902 garLoopResultBuilder]: At program point L116(line 116) the Hoare annotation is: true [2023-12-02 13:34:05,184 INFO L899 garLoopResultBuilder]: For program point L116-1(line 116) no Hoare annotation was computed. [2023-12-02 13:34:05,185 INFO L902 garLoopResultBuilder]: At program point L117(line 117) the Hoare annotation is: true [2023-12-02 13:34:05,185 INFO L899 garLoopResultBuilder]: For program point L117-1(line 117) no Hoare annotation was computed. [2023-12-02 13:34:05,185 INFO L902 garLoopResultBuilder]: At program point L101(line 101) the Hoare annotation is: true [2023-12-02 13:34:05,185 INFO L899 garLoopResultBuilder]: For program point L101-1(line 101) no Hoare annotation was computed. [2023-12-02 13:34:05,185 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-12-02 13:34:05,186 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-12-02 13:34:05,189 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 13:34:05,191 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 13:34:05,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:34:05 BoogieIcfgContainer [2023-12-02 13:34:05,200 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 13:34:05,201 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 13:34:05,201 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 13:34:05,201 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 13:34:05,202 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:32:49" (3/4) ... [2023-12-02 13:34:05,204 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 13:34:05,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 13:34:05,218 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 69 nodes and edges [2023-12-02 13:34:05,219 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-12-02 13:34:05,220 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 13:34:05,222 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 13:34:05,372 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a43c69c-68c7-4810-937e-d4a40f96fbe5/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 13:34:05,372 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a43c69c-68c7-4810-937e-d4a40f96fbe5/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 13:34:05,372 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 13:34:05,373 INFO L158 Benchmark]: Toolchain (without parser) took 77689.52ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 102.6MB in the beginning and 1.1GB in the end (delta: -975.0MB). Peak memory consumption was 264.4MB. Max. memory is 16.1GB. [2023-12-02 13:34:05,373 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 107.6MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:34:05,374 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.60ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 86.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 13:34:05,374 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.01ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 82.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 13:34:05,374 INFO L158 Benchmark]: Boogie Preprocessor took 50.39ms. Allocated memory is still 142.6MB. Free memory was 82.1MB in the beginning and 79.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 13:34:05,374 INFO L158 Benchmark]: RCFGBuilder took 1187.41ms. Allocated memory was 142.6MB in the beginning and 203.4MB in the end (delta: 60.8MB). Free memory was 79.5MB in the beginning and 166.0MB in the end (delta: -86.4MB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB. [2023-12-02 13:34:05,375 INFO L158 Benchmark]: TraceAbstraction took 75912.57ms. Allocated memory was 203.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 164.9MB in the beginning and 1.1GB in the end (delta: -923.2MB). Peak memory consumption was 253.3MB. Max. memory is 16.1GB. [2023-12-02 13:34:05,375 INFO L158 Benchmark]: Witness Printer took 171.49ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 13:34:05,377 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 107.6MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.60ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 86.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.01ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 82.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.39ms. Allocated memory is still 142.6MB. Free memory was 82.1MB in the beginning and 79.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1187.41ms. Allocated memory was 142.6MB in the beginning and 203.4MB in the end (delta: 60.8MB). Free memory was 79.5MB in the beginning and 166.0MB in the end (delta: -86.4MB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB. * TraceAbstraction took 75912.57ms. Allocated memory was 203.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 164.9MB in the beginning and 1.1GB in the end (delta: -923.2MB). Peak memory consumption was 253.3MB. Max. memory is 16.1GB. * Witness Printer took 171.49ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 10.5MB). 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, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 75.8s, OverallIterations: 1, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 119 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 59 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 60 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 198 GetRequests, 138 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1370 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred 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, 22 LocationsWithAnnotation, 61 PreInvPairs, 82 NumberOfFragments, 22 HoareAnnotationTreeSize, 61 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.5s SatisfiabilityAnalysisTime, 70.3s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 249 ConstructedInterpolants, 0 QuantifiedInterpolants, 15319 SizeOfPredicates, 32 NumberOfNonLiveVariables, 367 ConjunctsInSsa, 153 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 728/1140 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: 137]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-02 13:34:05,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a43c69c-68c7-4810-937e-d4a40f96fbe5/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