./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_42580350-c754-40ed-b161-7cbc28c253c1/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42580350-c754-40ed-b161-7cbc28c253c1/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42580350-c754-40ed-b161-7cbc28c253c1/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42580350-c754-40ed-b161-7cbc28c253c1/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42580350-c754-40ed-b161-7cbc28c253c1/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42580350-c754-40ed-b161-7cbc28c253c1/bin/utaipan-verify-NcY6lQBIFX --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 ef6497bb448d9a320776973de65f322a5dd7ce0e422c6531ce8baf2751ae72d5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:47:09,469 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:47:09,579 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42580350-c754-40ed-b161-7cbc28c253c1/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:47:09,589 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:47:09,590 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:47:09,633 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:47:09,634 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:47:09,635 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:47:09,636 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:47:09,641 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:47:09,641 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:47:09,642 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:47:09,643 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:47:09,644 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:47:09,645 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:47:09,645 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:47:09,646 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:47:09,646 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:47:09,647 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:47:09,647 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:47:09,648 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:47:09,649 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:47:09,650 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:47:09,650 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:47:09,651 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:47:09,651 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:47:09,652 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:47:09,652 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:47:09,653 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:47:09,653 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:47:09,654 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:47:09,655 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:47:09,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:47:09,679 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:47:09,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:47:09,679 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:47:09,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:47:09,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:47:09,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:47:09,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:47:09,681 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:47:09,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:47:09,682 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:47:09,683 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:47:09,683 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:47:09,683 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_42580350-c754-40ed-b161-7cbc28c253c1/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42580350-c754-40ed-b161-7cbc28c253c1/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef6497bb448d9a320776973de65f322a5dd7ce0e422c6531ce8baf2751ae72d5 [2023-11-12 00:47:09,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:47:10,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:47:10,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:47:10,038 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:47:10,038 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:47:10,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42580350-c754-40ed-b161-7cbc28c253c1/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-5.i [2023-11-12 00:47:13,111 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:47:13,457 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:47:13,458 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42580350-c754-40ed-b161-7cbc28c253c1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-5.i [2023-11-12 00:47:13,469 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42580350-c754-40ed-b161-7cbc28c253c1/bin/utaipan-verify-NcY6lQBIFX/data/ffed1f9a4/4c112aeb332d4893bacd38246c21178a/FLAG53d42c953 [2023-11-12 00:47:13,486 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42580350-c754-40ed-b161-7cbc28c253c1/bin/utaipan-verify-NcY6lQBIFX/data/ffed1f9a4/4c112aeb332d4893bacd38246c21178a [2023-11-12 00:47:13,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:47:13,491 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:47:13,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:47:13,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:47:13,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:47:13,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:47:13" (1/1) ... [2023-11-12 00:47:13,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ec17916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:13, skipping insertion in model container [2023-11-12 00:47:13,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:47:13" (1/1) ... [2023-11-12 00:47:13,563 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:47:13,698 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_42580350-c754-40ed-b161-7cbc28c253c1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-5.i[915,928] [2023-11-12 00:47:13,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:47:13,789 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:47:13,801 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_42580350-c754-40ed-b161-7cbc28c253c1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-5.i[915,928] [2023-11-12 00:47:13,844 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:47:13,866 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:47:13,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:13 WrapperNode [2023-11-12 00:47:13,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:47:13,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:47:13,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:47:13,869 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:47:13,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:13" (1/1) ... [2023-11-12 00:47:13,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:13" (1/1) ... [2023-11-12 00:47:13,970 INFO L138 Inliner]: procedures = 26, calls = 154, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 361 [2023-11-12 00:47:13,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:47:13,971 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:47:13,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:47:13,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:47:13,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:13" (1/1) ... [2023-11-12 00:47:13,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:13" (1/1) ... [2023-11-12 00:47:13,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:13" (1/1) ... [2023-11-12 00:47:13,987 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:13" (1/1) ... [2023-11-12 00:47:14,024 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:13" (1/1) ... [2023-11-12 00:47:14,029 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:13" (1/1) ... [2023-11-12 00:47:14,034 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:13" (1/1) ... [2023-11-12 00:47:14,037 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:13" (1/1) ... [2023-11-12 00:47:14,046 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:47:14,049 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:47:14,050 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:47:14,051 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:47:14,052 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:13" (1/1) ... [2023-11-12 00:47:14,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:47:14,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42580350-c754-40ed-b161-7cbc28c253c1/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:47:14,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42580350-c754-40ed-b161-7cbc28c253c1/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:47:14,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42580350-c754-40ed-b161-7cbc28c253c1/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:47:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:47:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:47:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:47:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:47:14,132 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:47:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:47:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:47:14,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:47:14,281 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:47:14,283 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:47:14,908 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:47:15,665 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:47:15,676 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:47:15,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:47:15 BoogieIcfgContainer [2023-11-12 00:47:15,679 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:47:15,681 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:47:15,682 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:47:15,685 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:47:15,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:47:13" (1/3) ... [2023-11-12 00:47:15,686 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77d5ffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:47:15, skipping insertion in model container [2023-11-12 00:47:15,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:13" (2/3) ... [2023-11-12 00:47:15,686 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77d5ffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:47:15, skipping insertion in model container [2023-11-12 00:47:15,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:47:15" (3/3) ... [2023-11-12 00:47:15,689 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-5.i [2023-11-12 00:47:15,709 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:47:15,709 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:47:15,770 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:47:15,778 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;@37f133f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:47:15,779 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:47:15,784 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) [2023-11-12 00:47:15,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-12 00:47:15,797 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:15,798 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] [2023-11-12 00:47:15,799 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:47:15,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:15,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1761208135, now seen corresponding path program 1 times [2023-11-12 00:47:15,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:15,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737208312] [2023-11-12 00:47:15,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:15,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:16,126 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:47:16,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [93053031] [2023-11-12 00:47:16,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:16,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:47:16,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42580350-c754-40ed-b161-7cbc28c253c1/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:47:16,134 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42580350-c754-40ed-b161-7cbc28c253c1/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:47:16,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42580350-c754-40ed-b161-7cbc28c253c1/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:47:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:18,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 110 conjunts are in the unsatisfiable core [2023-11-12 00:47:18,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:47:18,892 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:47:18,893 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 141 treesize of output 152 [2023-11-12 00:47:19,758 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:47:19,758 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 132 treesize of output 140 [2023-11-12 00:47:20,410 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:47:20,411 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 123 treesize of output 128 [2023-11-12 00:47:21,048 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:47:21,050 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 114 treesize of output 125 [2023-11-12 00:47:21,484 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:47:21,484 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 114 treesize of output 116 [2023-11-12 00:47:22,017 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:47:22,017 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 105 treesize of output 104 [2023-11-12 00:47:22,539 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:47:22,539 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 96 treesize of output 92 [2023-11-12 00:47:23,028 INFO L351 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 0 case distinctions, treesize of input 87 treesize of output 80 [2023-11-12 00:47:23,537 INFO L351 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 0 case distinctions, treesize of input 89 treesize of output 82 [2023-11-12 00:47:29,099 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 2 proven. 351 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-12 00:47:29,100 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:47:32,003 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-12 00:47:32,003 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:47:32,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737208312] [2023-11-12 00:47:32,004 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 00:47:32,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93053031] [2023-11-12 00:47:32,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93053031] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-12 00:47:32,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:47:32,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 20 [2023-11-12 00:47:32,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098358400] [2023-11-12 00:47:32,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:47:32,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:47:32,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:47:32,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:47:32,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=308, Unknown=0, NotChecked=0, Total=380 [2023-11-12 00:47:32,057 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) [2023-11-12 00:47:32,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:32,357 INFO L93 Difference]: Finished difference Result 94 states and 135 transitions. [2023-11-12 00:47:32,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:47:32,360 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 [2023-11-12 00:47:32,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:47:32,365 INFO L225 Difference]: With dead ends: 94 [2023-11-12 00:47:32,366 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 00:47:32,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=72, Invalid=308, Unknown=0, NotChecked=0, Total=380 [2023-11-12 00:47:32,372 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 1 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:47:32,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 119 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 00:47:32,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 00:47:32,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 00:47:32,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:32,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 00:47:32,399 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84 [2023-11-12 00:47:32,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:47:32,399 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 00:47:32,400 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) [2023-11-12 00:47:32,400 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 00:47:32,400 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:47:32,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:47:32,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42580350-c754-40ed-b161-7cbc28c253c1/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:47:32,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42580350-c754-40ed-b161-7cbc28c253c1/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:47:32,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 00:47:32,641 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-12 00:47:32,641 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-12 00:47:32,641 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-11-12 00:47:32,642 INFO L902 garLoopResultBuilder]: At program point L94(line 94) the Hoare annotation is: true [2023-11-12 00:47:32,642 INFO L899 garLoopResultBuilder]: For program point L94-1(line 94) no Hoare annotation was computed. [2023-11-12 00:47:32,642 INFO L902 garLoopResultBuilder]: At program point L111(line 111) the Hoare annotation is: true [2023-11-12 00:47:32,642 INFO L899 garLoopResultBuilder]: For program point L111-1(line 111) no Hoare annotation was computed. [2023-11-12 00:47:32,642 INFO L902 garLoopResultBuilder]: At program point L103(line 103) the Hoare annotation is: true [2023-11-12 00:47:32,642 INFO L899 garLoopResultBuilder]: For program point L103-1(line 103) no Hoare annotation was computed. [2023-11-12 00:47:32,643 INFO L902 garLoopResultBuilder]: At program point L95(line 95) the Hoare annotation is: true [2023-11-12 00:47:32,643 INFO L899 garLoopResultBuilder]: For program point L95-1(line 95) no Hoare annotation was computed. [2023-11-12 00:47:32,643 INFO L902 garLoopResultBuilder]: At program point L128-2(lines 128 134) the Hoare annotation is: true [2023-11-12 00:47:32,643 INFO L902 garLoopResultBuilder]: At program point L112(line 112) the Hoare annotation is: true [2023-11-12 00:47:32,643 INFO L899 garLoopResultBuilder]: For program point L112-1(line 112) no Hoare annotation was computed. [2023-11-12 00:47:32,643 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 00:47:32,644 INFO L902 garLoopResultBuilder]: At program point L104(line 104) the Hoare annotation is: true [2023-11-12 00:47:32,644 INFO L899 garLoopResultBuilder]: For program point L104-1(line 104) no Hoare annotation was computed. [2023-11-12 00:47:32,644 INFO L902 garLoopResultBuilder]: At program point L88(line 88) the Hoare annotation is: true [2023-11-12 00:47:32,644 INFO L899 garLoopResultBuilder]: For program point L88-1(line 88) no Hoare annotation was computed. [2023-11-12 00:47:32,644 INFO L902 garLoopResultBuilder]: At program point L105(line 105) the Hoare annotation is: true [2023-11-12 00:47:32,644 INFO L899 garLoopResultBuilder]: For program point L105-1(line 105) no Hoare annotation was computed. [2023-11-12 00:47:32,645 INFO L902 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: true [2023-11-12 00:47:32,645 INFO L899 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2023-11-12 00:47:32,645 INFO L902 garLoopResultBuilder]: At program point L89(line 89) the Hoare annotation is: true [2023-11-12 00:47:32,645 INFO L899 garLoopResultBuilder]: For program point L89-1(line 89) no Hoare annotation was computed. [2023-11-12 00:47:32,645 INFO L902 garLoopResultBuilder]: At program point L114(line 114) the Hoare annotation is: true [2023-11-12 00:47:32,645 INFO L899 garLoopResultBuilder]: For program point L114-1(line 114) no Hoare annotation was computed. [2023-11-12 00:47:32,646 INFO L902 garLoopResultBuilder]: At program point L98(line 98) the Hoare annotation is: true [2023-11-12 00:47:32,646 INFO L899 garLoopResultBuilder]: For program point L98-1(line 98) no Hoare annotation was computed. [2023-11-12 00:47:32,646 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-12 00:47:32,646 INFO L902 garLoopResultBuilder]: At program point L115(line 115) the Hoare annotation is: true [2023-11-12 00:47:32,646 INFO L899 garLoopResultBuilder]: For program point L115-1(line 115) no Hoare annotation was computed. [2023-11-12 00:47:32,646 INFO L902 garLoopResultBuilder]: At program point L107(line 107) the Hoare annotation is: true [2023-11-12 00:47:32,647 INFO L899 garLoopResultBuilder]: For program point L107-1(line 107) no Hoare annotation was computed. [2023-11-12 00:47:32,647 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 00:47:32,647 INFO L902 garLoopResultBuilder]: At program point L91(line 91) the Hoare annotation is: true [2023-11-12 00:47:32,647 INFO L899 garLoopResultBuilder]: For program point L91-1(line 91) no Hoare annotation was computed. [2023-11-12 00:47:32,647 INFO L902 garLoopResultBuilder]: At program point L108(line 108) the Hoare annotation is: true [2023-11-12 00:47:32,647 INFO L899 garLoopResultBuilder]: For program point L108-1(line 108) no Hoare annotation was computed. [2023-11-12 00:47:32,648 INFO L902 garLoopResultBuilder]: At program point L100(line 100) the Hoare annotation is: true [2023-11-12 00:47:32,648 INFO L899 garLoopResultBuilder]: For program point L100-1(line 100) no Hoare annotation was computed. [2023-11-12 00:47:32,648 INFO L902 garLoopResultBuilder]: At program point L92(line 92) the Hoare annotation is: true [2023-11-12 00:47:32,648 INFO L899 garLoopResultBuilder]: For program point L92-1(line 92) no Hoare annotation was computed. [2023-11-12 00:47:32,648 INFO L902 garLoopResultBuilder]: At program point L109(line 109) the Hoare annotation is: true [2023-11-12 00:47:32,648 INFO L899 garLoopResultBuilder]: For program point L109-1(line 109) no Hoare annotation was computed. [2023-11-12 00:47:32,649 INFO L902 garLoopResultBuilder]: At program point L101(line 101) the Hoare annotation is: true [2023-11-12 00:47:32,649 INFO L899 garLoopResultBuilder]: For program point L101-1(line 101) no Hoare annotation was computed. [2023-11-12 00:47:32,649 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-12 00:47:32,649 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-12 00:47:32,653 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:47:32,655 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:47:32,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:47:32 BoogieIcfgContainer [2023-11-12 00:47:32,665 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:47:32,666 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:47:32,666 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:47:32,666 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:47:32,666 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:47:15" (3/4) ... [2023-11-12 00:47:32,673 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:47:32,677 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-12 00:47:32,698 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2023-11-12 00:47:32,701 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-12 00:47:32,702 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-12 00:47:32,704 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-12 00:47:32,899 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42580350-c754-40ed-b161-7cbc28c253c1/bin/utaipan-verify-NcY6lQBIFX/witness.graphml [2023-11-12 00:47:32,899 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42580350-c754-40ed-b161-7cbc28c253c1/bin/utaipan-verify-NcY6lQBIFX/witness.yml [2023-11-12 00:47:32,900 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:47:32,900 INFO L158 Benchmark]: Toolchain (without parser) took 19409.55ms. Allocated memory was 184.5MB in the beginning and 444.6MB in the end (delta: 260.0MB). Free memory was 151.9MB in the beginning and 193.6MB in the end (delta: -41.7MB). Peak memory consumption was 218.7MB. Max. memory is 16.1GB. [2023-11-12 00:47:32,900 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 130.0MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:47:32,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.06ms. Allocated memory is still 184.5MB. Free memory was 151.7MB in the beginning and 140.3MB in the end (delta: 11.3MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2023-11-12 00:47:32,901 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.27ms. Allocated memory is still 184.5MB. Free memory was 140.3MB in the beginning and 136.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:47:32,902 INFO L158 Benchmark]: Boogie Preprocessor took 77.20ms. Allocated memory is still 184.5MB. Free memory was 136.1MB in the beginning and 132.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:47:32,902 INFO L158 Benchmark]: RCFGBuilder took 1629.77ms. Allocated memory is still 184.5MB. Free memory was 132.8MB in the beginning and 62.6MB in the end (delta: 70.2MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. [2023-11-12 00:47:32,902 INFO L158 Benchmark]: TraceAbstraction took 16983.67ms. Allocated memory was 184.5MB in the beginning and 444.6MB in the end (delta: 260.0MB). Free memory was 61.6MB in the beginning and 203.1MB in the end (delta: -141.5MB). Peak memory consumption was 118.5MB. Max. memory is 16.1GB. [2023-11-12 00:47:32,903 INFO L158 Benchmark]: Witness Printer took 234.09ms. Allocated memory is still 444.6MB. Free memory was 203.1MB in the beginning and 193.6MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:47:32,905 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 130.0MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.06ms. Allocated memory is still 184.5MB. Free memory was 151.7MB in the beginning and 140.3MB in the end (delta: 11.3MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.27ms. Allocated memory is still 184.5MB. Free memory was 140.3MB in the beginning and 136.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.20ms. Allocated memory is still 184.5MB. Free memory was 136.1MB in the beginning and 132.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1629.77ms. Allocated memory is still 184.5MB. Free memory was 132.8MB in the beginning and 62.6MB in the end (delta: 70.2MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. * TraceAbstraction took 16983.67ms. Allocated memory was 184.5MB in the beginning and 444.6MB in the end (delta: 260.0MB). Free memory was 61.6MB in the beginning and 203.1MB in the end (delta: -141.5MB). Peak memory consumption was 118.5MB. Max. memory is 16.1GB. * Witness Printer took 234.09ms. Allocated memory is still 444.6MB. Free memory was 203.1MB in the beginning and 193.6MB in the end (delta: 9.4MB). 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: 16.9s, OverallIterations: 1, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 119 SdHoareTripleChecker+Invalid, 0.3s 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, 166 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 1.0s 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, 2.3s SatisfiabilityAnalysisTime, 13.5s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 166 ConstructedInterpolants, 0 QuantifiedInterpolants, 7636 SizeOfPredicates, 19 NumberOfNonLiveVariables, 361 ConjunctsInSsa, 110 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 409/760 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: 128]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-12 00:47:32,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42580350-c754-40ed-b161-7cbc28c253c1/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE