./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/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_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/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_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/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 d6dd7af8c681da9a32811252853803422c95f4df19741eb4bc23f2d0511fe647 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:03:57,887 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:03:58,022 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 01:03:58,035 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:03:58,036 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:03:58,103 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:03:58,104 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:03:58,104 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:03:58,106 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:03:58,111 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:03:58,111 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:03:58,112 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:03:58,112 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:03:58,114 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 01:03:58,115 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:03:58,115 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:03:58,115 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 01:03:58,116 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 01:03:58,116 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:03:58,118 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 01:03:58,119 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 01:03:58,119 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 01:03:58,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:03:58,121 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:03:58,122 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 01:03:58,122 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 01:03:58,122 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 01:03:58,123 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:03:58,123 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:03:58,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:03:58,125 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:03:58,125 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 01:03:58,126 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:03:58,126 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:03:58,126 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:03:58,126 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:03:58,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:03:58,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:03:58,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:03:58,139 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:03:58,139 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 01:03:58,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 01:03:58,140 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:03:58,140 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:03:58,141 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:03:58,141 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_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6dd7af8c681da9a32811252853803422c95f4df19741eb4bc23f2d0511fe647 [2023-11-12 01:03:58,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:03:58,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:03:58,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:03:58,555 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:03:58,556 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:03:58,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c [2023-11-12 01:04:01,562 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:04:01,929 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:04:01,931 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c [2023-11-12 01:04:01,950 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/bin/utaipan-verify-NcY6lQBIFX/data/83d1ea2df/c038142999114005a01f6743e9df10c7/FLAG0d1028a53 [2023-11-12 01:04:01,968 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/bin/utaipan-verify-NcY6lQBIFX/data/83d1ea2df/c038142999114005a01f6743e9df10c7 [2023-11-12 01:04:01,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:04:01,976 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:04:01,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:04:01,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:04:01,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:04:01,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:04:01" (1/1) ... [2023-11-12 01:04:01,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e1b8a65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:01, skipping insertion in model container [2023-11-12 01:04:01,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:04:01" (1/1) ... [2023-11-12 01:04:02,043 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:04:02,313 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_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c[11956,11969] [2023-11-12 01:04:02,318 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:04:02,333 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:04:02,403 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_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c[11956,11969] [2023-11-12 01:04:02,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:04:02,424 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:04:02,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:02 WrapperNode [2023-11-12 01:04:02,425 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:04:02,426 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:04:02,426 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:04:02,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:04:02,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:02" (1/1) ... [2023-11-12 01:04:02,459 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:02" (1/1) ... [2023-11-12 01:04:02,520 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 412 [2023-11-12 01:04:02,520 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:04:02,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:04:02,521 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:04:02,521 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:04:02,532 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:02" (1/1) ... [2023-11-12 01:04:02,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:02" (1/1) ... [2023-11-12 01:04:02,537 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:02" (1/1) ... [2023-11-12 01:04:02,537 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:02" (1/1) ... [2023-11-12 01:04:02,550 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:02" (1/1) ... [2023-11-12 01:04:02,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:02" (1/1) ... [2023-11-12 01:04:02,560 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:02" (1/1) ... [2023-11-12 01:04:02,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:02" (1/1) ... [2023-11-12 01:04:02,569 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:04:02,570 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:04:02,570 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:04:02,570 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:04:02,571 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:02" (1/1) ... [2023-11-12 01:04:02,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:04:02,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:04:02,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:04:02,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:04:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:04:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_bool [2023-11-12 01:04:02,695 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_bool [2023-11-12 01:04:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-11-12 01:04:02,696 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-11-12 01:04:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_int8 [2023-11-12 01:04:02,698 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_int8 [2023-11-12 01:04:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_bool [2023-11-12 01:04:02,699 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_bool [2023-11-12 01:04:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure add_history_type [2023-11-12 01:04:02,699 INFO L138 BoogieDeclarations]: Found implementation of procedure add_history_type [2023-11-12 01:04:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 01:04:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:04:02,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:04:02,866 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:04:02,868 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:04:03,513 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:04:03,784 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:04:03,784 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 01:04:03,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:04:03 BoogieIcfgContainer [2023-11-12 01:04:03,789 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:04:03,793 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:04:03,794 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:04:03,797 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:04:03,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:04:01" (1/3) ... [2023-11-12 01:04:03,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5903c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:04:03, skipping insertion in model container [2023-11-12 01:04:03,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:02" (2/3) ... [2023-11-12 01:04:03,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5903c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:04:03, skipping insertion in model container [2023-11-12 01:04:03,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:04:03" (3/3) ... [2023-11-12 01:04:03,804 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c [2023-11-12 01:04:03,825 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:04:03,825 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 01:04:03,897 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:04:03,905 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;@2b13d41e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:04:03,906 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 01:04:03,911 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 92 states have (on average 1.5) internal successors, (138), 96 states have internal predecessors, (138), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-12 01:04:03,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 01:04:03,920 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:04:03,920 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:04:03,921 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:04:03,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:04:03,926 INFO L85 PathProgramCache]: Analyzing trace with hash 96048872, now seen corresponding path program 1 times [2023-11-12 01:04:03,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:04:03,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875088673] [2023-11-12 01:04:03,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:04:03,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:04:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:04:04,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 01:04:04,268 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:04:04,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875088673] [2023-11-12 01:04:04,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875088673] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:04:04,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:04:04,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 01:04:04,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734785896] [2023-11-12 01:04:04,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:04:04,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 01:04:04,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:04:04,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 01:04:04,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 01:04:04,323 INFO L87 Difference]: Start difference. First operand has 131 states, 92 states have (on average 1.5) internal successors, (138), 96 states have internal predecessors, (138), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 01:04:04,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:04:04,605 INFO L93 Difference]: Finished difference Result 266 states and 444 transitions. [2023-11-12 01:04:04,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 01:04:04,608 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-12 01:04:04,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:04:04,623 INFO L225 Difference]: With dead ends: 266 [2023-11-12 01:04:04,623 INFO L226 Difference]: Without dead ends: 136 [2023-11-12 01:04:04,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 01:04:04,638 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 6 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 01:04:04,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 525 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 01:04:04,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-11-12 01:04:04,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2023-11-12 01:04:04,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 98 states have internal predecessors, (139), 32 states have call successors, (32), 6 states have call predecessors, (32), 6 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-12 01:04:04,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 203 transitions. [2023-11-12 01:04:04,722 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 203 transitions. Word has length 14 [2023-11-12 01:04:04,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:04:04,723 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 203 transitions. [2023-11-12 01:04:04,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 01:04:04,724 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 203 transitions. [2023-11-12 01:04:04,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 01:04:04,726 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:04:04,727 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:04:04,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 01:04:04,727 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:04:04,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:04:04,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1260125447, now seen corresponding path program 1 times [2023-11-12 01:04:04,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:04:04,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48268337] [2023-11-12 01:04:04,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:04:04,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:04:04,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:04:04,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 01:04:04,835 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:04:04,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48268337] [2023-11-12 01:04:04,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48268337] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:04:04,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:04:04,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 01:04:04,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906137823] [2023-11-12 01:04:04,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:04:04,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 01:04:04,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:04:04,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 01:04:04,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 01:04:04,839 INFO L87 Difference]: Start difference. First operand 134 states and 203 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 01:04:04,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:04:04,949 INFO L93 Difference]: Finished difference Result 280 states and 428 transitions. [2023-11-12 01:04:04,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 01:04:04,950 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-11-12 01:04:04,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:04:04,952 INFO L225 Difference]: With dead ends: 280 [2023-11-12 01:04:04,953 INFO L226 Difference]: Without dead ends: 148 [2023-11-12 01:04:04,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 01:04:04,955 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 22 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 01:04:04,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 535 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 01:04:04,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2023-11-12 01:04:04,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 146. [2023-11-12 01:04:04,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 105 states have (on average 1.4476190476190476) internal successors, (152), 108 states have internal predecessors, (152), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-12 01:04:04,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 218 transitions. [2023-11-12 01:04:04,974 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 218 transitions. Word has length 15 [2023-11-12 01:04:04,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:04:04,975 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 218 transitions. [2023-11-12 01:04:04,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 01:04:04,975 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 218 transitions. [2023-11-12 01:04:04,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 01:04:04,977 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:04:04,977 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:04:04,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 01:04:04,977 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:04:04,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:04:04,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1515922935, now seen corresponding path program 1 times [2023-11-12 01:04:04,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:04:04,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408912171] [2023-11-12 01:04:04,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:04:04,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:04:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:04:05,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 01:04:05,063 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:04:05,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408912171] [2023-11-12 01:04:05,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408912171] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:04:05,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:04:05,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:04:05,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065200053] [2023-11-12 01:04:05,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:04:05,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:04:05,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:04:05,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:04:05,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:04:05,067 INFO L87 Difference]: Start difference. First operand 146 states and 218 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 01:04:05,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:04:05,159 INFO L93 Difference]: Finished difference Result 312 states and 474 transitions. [2023-11-12 01:04:05,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 01:04:05,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2023-11-12 01:04:05,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:04:05,168 INFO L225 Difference]: With dead ends: 312 [2023-11-12 01:04:05,168 INFO L226 Difference]: Without dead ends: 175 [2023-11-12 01:04:05,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:04:05,177 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 22 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 01:04:05,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 363 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 01:04:05,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-11-12 01:04:05,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 148. [2023-11-12 01:04:05,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 107 states have (on average 1.439252336448598) internal successors, (154), 110 states have internal predecessors, (154), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-12 01:04:05,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 220 transitions. [2023-11-12 01:04:05,207 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 220 transitions. Word has length 19 [2023-11-12 01:04:05,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:04:05,208 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 220 transitions. [2023-11-12 01:04:05,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 01:04:05,208 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 220 transitions. [2023-11-12 01:04:05,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-12 01:04:05,214 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:04:05,215 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 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 01:04:05,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 01:04:05,216 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:04:05,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:04:05,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1654724394, now seen corresponding path program 1 times [2023-11-12 01:04:05,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:04:05,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464189054] [2023-11-12 01:04:05,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:04:05,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:04:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:04:05,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 01:04:05,286 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:04:05,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464189054] [2023-11-12 01:04:05,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464189054] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:04:05,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:04:05,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:04:05,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198955600] [2023-11-12 01:04:05,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:04:05,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:04:05,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:04:05,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:04:05,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:04:05,289 INFO L87 Difference]: Start difference. First operand 148 states and 220 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-12 01:04:05,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:04:05,342 INFO L93 Difference]: Finished difference Result 249 states and 371 transitions. [2023-11-12 01:04:05,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 01:04:05,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2023-11-12 01:04:05,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:04:05,345 INFO L225 Difference]: With dead ends: 249 [2023-11-12 01:04:05,345 INFO L226 Difference]: Without dead ends: 148 [2023-11-12 01:04:05,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:04:05,347 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 0 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 01:04:05,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 363 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 01:04:05,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2023-11-12 01:04:05,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2023-11-12 01:04:05,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 107 states have (on average 1.411214953271028) internal successors, (151), 110 states have internal predecessors, (151), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-12 01:04:05,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 217 transitions. [2023-11-12 01:04:05,363 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 217 transitions. Word has length 27 [2023-11-12 01:04:05,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:04:05,363 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 217 transitions. [2023-11-12 01:04:05,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-12 01:04:05,364 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 217 transitions. [2023-11-12 01:04:05,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-12 01:04:05,365 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:04:05,365 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 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 01:04:05,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 01:04:05,365 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:04:05,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:04:05,366 INFO L85 PathProgramCache]: Analyzing trace with hash 737566189, now seen corresponding path program 1 times [2023-11-12 01:04:05,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:04:05,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568282074] [2023-11-12 01:04:05,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:04:05,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:04:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:04:05,457 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 01:04:05,457 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:04:05,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568282074] [2023-11-12 01:04:05,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568282074] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:04:05,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:04:05,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 01:04:05,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117517964] [2023-11-12 01:04:05,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:04:05,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 01:04:05,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:04:05,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 01:04:05,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 01:04:05,460 INFO L87 Difference]: Start difference. First operand 148 states and 217 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-12 01:04:05,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:04:05,548 INFO L93 Difference]: Finished difference Result 288 states and 425 transitions. [2023-11-12 01:04:05,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 01:04:05,549 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2023-11-12 01:04:05,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:04:05,551 INFO L225 Difference]: With dead ends: 288 [2023-11-12 01:04:05,551 INFO L226 Difference]: Without dead ends: 150 [2023-11-12 01:04:05,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 01:04:05,553 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 0 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 01:04:05,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 715 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 01:04:05,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2023-11-12 01:04:05,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 148. [2023-11-12 01:04:05,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 107 states have (on average 1.4018691588785046) internal successors, (150), 110 states have internal predecessors, (150), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-12 01:04:05,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 216 transitions. [2023-11-12 01:04:05,568 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 216 transitions. Word has length 30 [2023-11-12 01:04:05,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:04:05,568 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 216 transitions. [2023-11-12 01:04:05,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-12 01:04:05,569 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 216 transitions. [2023-11-12 01:04:05,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-12 01:04:05,570 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:04:05,570 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 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 01:04:05,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 01:04:05,570 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:04:05,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:04:05,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1142805188, now seen corresponding path program 1 times [2023-11-12 01:04:05,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:04:05,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882574529] [2023-11-12 01:04:05,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:04:05,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:04:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:04:05,647 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 01:04:05,650 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:04:05,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882574529] [2023-11-12 01:04:05,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882574529] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 01:04:05,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963133317] [2023-11-12 01:04:05,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:04:05,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 01:04:05,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:04:05,661 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 01:04:05,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 01:04:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:04:05,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 01:04:05,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 01:04:05,854 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 01:04:05,854 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 01:04:05,902 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 01:04:05,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963133317] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 01:04:05,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [207473849] [2023-11-12 01:04:05,931 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2023-11-12 01:04:05,931 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 01:04:05,937 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 01:04:05,943 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 01:04:05,943 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 01:04:07,292 INFO L197 IcfgInterpreter]: Interpreting procedure add_history_type with input of size 93 for LOIs [2023-11-12 01:04:10,758 INFO L197 IcfgInterpreter]: Interpreting procedure read_history_bool with input of size 108 for LOIs [2023-11-12 01:04:11,442 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 01:04:15,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [207473849] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:04:15,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-12 01:04:15,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [4, 4, 4] total 21 [2023-11-12 01:04:15,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286031653] [2023-11-12 01:04:15,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:04:15,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-12 01:04:15,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:04:15,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-12 01:04:15,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2023-11-12 01:04:15,003 INFO L87 Difference]: Start difference. First operand 148 states and 216 transitions. Second operand has 18 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 14 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 01:04:20,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:04:20,498 INFO L93 Difference]: Finished difference Result 342 states and 501 transitions. [2023-11-12 01:04:20,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-12 01:04:20,501 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 14 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 32 [2023-11-12 01:04:20,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:04:20,503 INFO L225 Difference]: With dead ends: 342 [2023-11-12 01:04:20,503 INFO L226 Difference]: Without dead ends: 183 [2023-11-12 01:04:20,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 79 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=161, Invalid=1029, Unknown=0, NotChecked=0, Total=1190 [2023-11-12 01:04:20,506 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 124 mSDsluCounter, 1296 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 1466 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-12 01:04:20,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 1466 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-12 01:04:20,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2023-11-12 01:04:20,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 170. [2023-11-12 01:04:20,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 124 states have (on average 1.3790322580645162) internal successors, (171), 127 states have internal predecessors, (171), 35 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-12 01:04:20,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 241 transitions. [2023-11-12 01:04:20,548 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 241 transitions. Word has length 32 [2023-11-12 01:04:20,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:04:20,548 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 241 transitions. [2023-11-12 01:04:20,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 14 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 01:04:20,548 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 241 transitions. [2023-11-12 01:04:20,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-12 01:04:20,551 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:04:20,551 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 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 01:04:20,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 01:04:20,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 01:04:20,757 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:04:20,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:04:20,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1288048757, now seen corresponding path program 1 times [2023-11-12 01:04:20,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:04:20,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642362107] [2023-11-12 01:04:20,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:04:20,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:04:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:04:20,852 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 01:04:20,853 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:04:20,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642362107] [2023-11-12 01:04:20,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642362107] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 01:04:20,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974980048] [2023-11-12 01:04:20,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:04:20,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 01:04:20,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:04:20,855 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 01:04:20,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 01:04:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:04:20,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 01:04:20,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 01:04:20,982 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 01:04:20,982 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 01:04:21,044 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 01:04:21,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974980048] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 01:04:21,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1297914073] [2023-11-12 01:04:21,047 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2023-11-12 01:04:21,047 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 01:04:21,048 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 01:04:21,048 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 01:04:21,048 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 01:04:21,517 INFO L197 IcfgInterpreter]: Interpreting procedure add_history_type with input of size 88 for LOIs [2023-11-12 01:04:23,703 INFO L197 IcfgInterpreter]: Interpreting procedure read_history_bool with input of size 105 for LOIs [2023-11-12 01:04:24,026 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 01:04:27,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1297914073] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:04:27,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-12 01:04:27,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [4, 4, 4] total 21 [2023-11-12 01:04:27,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814783621] [2023-11-12 01:04:27,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:04:27,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-12 01:04:27,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:04:27,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-12 01:04:27,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2023-11-12 01:04:27,258 INFO L87 Difference]: Start difference. First operand 170 states and 241 transitions. Second operand has 17 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 12 states have internal predecessors, (23), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 01:04:30,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:04:30,551 INFO L93 Difference]: Finished difference Result 316 states and 452 transitions. [2023-11-12 01:04:30,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-12 01:04:30,552 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 12 states have internal predecessors, (23), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 32 [2023-11-12 01:04:30,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:04:30,554 INFO L225 Difference]: With dead ends: 316 [2023-11-12 01:04:30,554 INFO L226 Difference]: Without dead ends: 167 [2023-11-12 01:04:30,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=171, Invalid=821, Unknown=0, NotChecked=0, Total=992 [2023-11-12 01:04:30,556 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 54 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-12 01:04:30,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 798 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-12 01:04:30,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-11-12 01:04:30,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 162. [2023-11-12 01:04:30,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 118 states have (on average 1.3559322033898304) internal successors, (160), 121 states have internal predecessors, (160), 33 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-12 01:04:30,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 226 transitions. [2023-11-12 01:04:30,584 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 226 transitions. Word has length 32 [2023-11-12 01:04:30,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:04:30,585 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 226 transitions. [2023-11-12 01:04:30,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 12 states have internal predecessors, (23), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 01:04:30,585 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 226 transitions. [2023-11-12 01:04:30,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-12 01:04:30,586 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:04:30,587 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:04:30,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 01:04:30,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 01:04:30,793 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:04:30,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:04:30,794 INFO L85 PathProgramCache]: Analyzing trace with hash -16079027, now seen corresponding path program 1 times [2023-11-12 01:04:30,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:04:30,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320825272] [2023-11-12 01:04:30,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:04:30,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:04:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:04:30,887 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-12 01:04:30,887 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:04:30,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320825272] [2023-11-12 01:04:30,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320825272] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 01:04:30,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849918936] [2023-11-12 01:04:30,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:04:30,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 01:04:30,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:04:30,890 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 01:04:30,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 01:04:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:04:31,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 01:04:31,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 01:04:31,031 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 01:04:31,031 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 01:04:31,071 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-12 01:04:31,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1849918936] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 01:04:31,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1358227325] [2023-11-12 01:04:31,074 INFO L159 IcfgInterpreter]: Started Sifa with 36 locations of interest [2023-11-12 01:04:31,074 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 01:04:31,075 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 01:04:31,075 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 01:04:31,075 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 01:04:31,697 INFO L197 IcfgInterpreter]: Interpreting procedure add_history_type with input of size 88 for LOIs [2023-11-12 01:04:33,138 INFO L197 IcfgInterpreter]: Interpreting procedure read_history_bool with input of size 111 for LOIs [2023-11-12 01:04:33,984 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 01:04:39,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1358227325] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:04:39,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-12 01:04:39,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [4, 4, 4] total 24 [2023-11-12 01:04:39,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618504142] [2023-11-12 01:04:39,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:04:39,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-12 01:04:39,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:04:39,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-12 01:04:39,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2023-11-12 01:04:39,145 INFO L87 Difference]: Start difference. First operand 162 states and 226 transitions. Second operand has 20 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 15 states have internal predecessors, (30), 5 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-12 01:04:42,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:04:42,465 INFO L93 Difference]: Finished difference Result 172 states and 236 transitions. [2023-11-12 01:04:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-12 01:04:42,472 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 15 states have internal predecessors, (30), 5 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 49 [2023-11-12 01:04:42,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:04:42,473 INFO L225 Difference]: With dead ends: 172 [2023-11-12 01:04:42,473 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 01:04:42,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 124 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=186, Invalid=1074, Unknown=0, NotChecked=0, Total=1260 [2023-11-12 01:04:42,475 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 39 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 01:04:42,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 57 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 01:04:42,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 01:04:42,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 01:04:42,476 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 01:04:42,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 01:04:42,476 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2023-11-12 01:04:42,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:04:42,480 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 01:04:42,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 15 states have internal predecessors, (30), 5 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-12 01:04:42,480 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 01:04:42,481 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 01:04:42,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 01:04:42,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 01:04:42,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 01:04:42,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 01:04:46,844 INFO L902 garLoopResultBuilder]: At program point L116(line 116) the Hoare annotation is: true [2023-11-12 01:04:46,845 INFO L899 garLoopResultBuilder]: For program point read_history_int8FINAL(lines 101 120) no Hoare annotation was computed. [2023-11-12 01:04:46,845 INFO L899 garLoopResultBuilder]: For program point L116-1(line 116) no Hoare annotation was computed. [2023-11-12 01:04:46,845 INFO L899 garLoopResultBuilder]: For program point L106(lines 106 117) no Hoare annotation was computed. [2023-11-12 01:04:46,845 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 101 120) the Hoare annotation is: true [2023-11-12 01:04:46,845 INFO L899 garLoopResultBuilder]: For program point read_history_int8EXIT(lines 101 120) no Hoare annotation was computed. [2023-11-12 01:04:46,845 INFO L899 garLoopResultBuilder]: For program point L126(lines 126 157) no Hoare annotation was computed. [2023-11-12 01:04:46,846 INFO L899 garLoopResultBuilder]: For program point read_history_boolFINAL(lines 121 160) no Hoare annotation was computed. [2023-11-12 01:04:46,846 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 121 160) the Hoare annotation is: true [2023-11-12 01:04:46,846 INFO L899 garLoopResultBuilder]: For program point read_history_boolEXIT(lines 121 160) no Hoare annotation was computed. [2023-11-12 01:04:46,846 INFO L895 garLoopResultBuilder]: At program point L156(line 156) the Hoare annotation is: (let ((.cse0 (not (= |read_history_bool_#in~historyIndex| 0)))) (and (or (not (= 0 |read_history_bool_#in~history_id|)) .cse0) (or (< (+ ~votedValue_History_0~0 128) 0) (not (= ~g3v_old~0 0)) (not (= ~g3v_new~0 0)) (not (= ~g1v_new~0 0)) (< (+ ~votedValue_History_1~0 128) 0) (not (= ~g2v~0 0)) (< 127 ~VALUE2~0) (not (= ~g2v_new~0 0)) (not (= ~g1v_old~0 0)) (< (+ ~VALUE3~0 128) 0) (< (+ ~VALUE1~0 128) 0) (not (= ~g3v~0 0)) (< 127 ~VALUE1~0) (< 127 ~VALUE3~0) (not (= ~g2v_old~0 0)) (not (= (+ ~nomsg~0 1) 0)) (< |#StackHeapBarrier| 1) (< 127 ~votedValue_History_0~0) (< (+ ~VALUE2~0 128) 0) (< (+ ~votedValue_History_2~0 128) 0) (not (= ~g1v~0 0)) (< 127 ~votedValue_History_2~0) (< 127 ~votedValue_History_1~0) .cse0 (not (= |read_history_bool_#in~history_id| 1))))) [2023-11-12 01:04:46,846 INFO L899 garLoopResultBuilder]: For program point L156-1(line 156) no Hoare annotation was computed. [2023-11-12 01:04:46,847 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 157) no Hoare annotation was computed. [2023-11-12 01:04:46,847 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 157) no Hoare annotation was computed. [2023-11-12 01:04:46,847 INFO L899 garLoopResultBuilder]: For program point assertEXIT(lines 528 539) no Hoare annotation was computed. [2023-11-12 01:04:46,847 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 528 539) the Hoare annotation is: true [2023-11-12 01:04:46,847 INFO L899 garLoopResultBuilder]: For program point L535(line 535) no Hoare annotation was computed. [2023-11-12 01:04:46,847 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 537) no Hoare annotation was computed. [2023-11-12 01:04:46,848 INFO L899 garLoopResultBuilder]: For program point assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 535) no Hoare annotation was computed. [2023-11-12 01:04:46,848 INFO L899 garLoopResultBuilder]: For program point L533-2(lines 528 539) no Hoare annotation was computed. [2023-11-12 01:04:46,848 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 285) no Hoare annotation was computed. [2023-11-12 01:04:46,848 INFO L895 garLoopResultBuilder]: At program point L217(line 217) the Hoare annotation is: false [2023-11-12 01:04:46,848 INFO L899 garLoopResultBuilder]: For program point L217-1(line 217) no Hoare annotation was computed. [2023-11-12 01:04:46,849 INFO L899 garLoopResultBuilder]: For program point L465(lines 465 469) no Hoare annotation was computed. [2023-11-12 01:04:46,849 INFO L899 garLoopResultBuilder]: For program point L300(line 300) no Hoare annotation was computed. [2023-11-12 01:04:46,849 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 220) no Hoare annotation was computed. [2023-11-12 01:04:46,849 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 319) no Hoare annotation was computed. [2023-11-12 01:04:46,849 INFO L895 garLoopResultBuilder]: At program point L268(line 268) the Hoare annotation is: false [2023-11-12 01:04:46,849 INFO L895 garLoopResultBuilder]: At program point L301-1(lines 301 319) the Hoare annotation is: false [2023-11-12 01:04:46,849 INFO L899 garLoopResultBuilder]: For program point L268-1(line 268) no Hoare annotation was computed. [2023-11-12 01:04:46,850 INFO L895 garLoopResultBuilder]: At program point L302(line 302) the Hoare annotation is: false [2023-11-12 01:04:46,850 INFO L899 garLoopResultBuilder]: For program point L302-1(line 302) no Hoare annotation was computed. [2023-11-12 01:04:46,850 INFO L895 garLoopResultBuilder]: At program point L269-2(lines 269 271) the Hoare annotation is: false [2023-11-12 01:04:46,850 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 469) no Hoare annotation was computed. [2023-11-12 01:04:46,850 INFO L895 garLoopResultBuilder]: At program point L468(line 468) the Hoare annotation is: false [2023-11-12 01:04:46,850 INFO L899 garLoopResultBuilder]: For program point L468-1(lines 441 469) no Hoare annotation was computed. [2023-11-12 01:04:46,851 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 318) no Hoare annotation was computed. [2023-11-12 01:04:46,851 INFO L895 garLoopResultBuilder]: At program point L171(line 171) the Hoare annotation is: false [2023-11-12 01:04:46,851 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 161 175) no Hoare annotation was computed. [2023-11-12 01:04:46,851 INFO L899 garLoopResultBuilder]: For program point L320(line 320) no Hoare annotation was computed. [2023-11-12 01:04:46,851 INFO L895 garLoopResultBuilder]: At program point L221(line 221) the Hoare annotation is: false [2023-11-12 01:04:46,851 INFO L899 garLoopResultBuilder]: For program point L221-1(line 221) no Hoare annotation was computed. [2023-11-12 01:04:46,852 INFO L895 garLoopResultBuilder]: At program point L304(line 304) the Hoare annotation is: false [2023-11-12 01:04:46,852 INFO L899 garLoopResultBuilder]: For program point L304-1(line 304) no Hoare annotation was computed. [2023-11-12 01:04:46,852 INFO L899 garLoopResultBuilder]: For program point L321(lines 321 332) no Hoare annotation was computed. [2023-11-12 01:04:46,852 INFO L899 garLoopResultBuilder]: For program point L321-1(lines 321 332) no Hoare annotation was computed. [2023-11-12 01:04:46,852 INFO L899 garLoopResultBuilder]: For program point L305(lines 305 317) no Hoare annotation was computed. [2023-11-12 01:04:46,852 INFO L899 garLoopResultBuilder]: For program point L272(line 272) no Hoare annotation was computed. [2023-11-12 01:04:46,852 INFO L895 garLoopResultBuilder]: At program point L322(line 322) the Hoare annotation is: false [2023-11-12 01:04:46,853 INFO L899 garLoopResultBuilder]: For program point L322-1(line 322) no Hoare annotation was computed. [2023-11-12 01:04:46,853 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 01:04:46,853 INFO L895 garLoopResultBuilder]: At program point L306(line 306) the Hoare annotation is: false [2023-11-12 01:04:46,853 INFO L899 garLoopResultBuilder]: For program point L306-1(line 306) no Hoare annotation was computed. [2023-11-12 01:04:46,853 INFO L895 garLoopResultBuilder]: At program point L273-2(lines 273 275) the Hoare annotation is: false [2023-11-12 01:04:46,853 INFO L895 garLoopResultBuilder]: At program point L521(line 521) the Hoare annotation is: false [2023-11-12 01:04:46,853 INFO L899 garLoopResultBuilder]: For program point L521-1(line 521) no Hoare annotation was computed. [2023-11-12 01:04:46,853 INFO L899 garLoopResultBuilder]: For program point L323(lines 323 331) no Hoare annotation was computed. [2023-11-12 01:04:46,854 INFO L895 garLoopResultBuilder]: At program point L406(line 406) the Hoare annotation is: false [2023-11-12 01:04:46,854 INFO L899 garLoopResultBuilder]: For program point L406-1(lines 404 427) no Hoare annotation was computed. [2023-11-12 01:04:46,854 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 314) no Hoare annotation was computed. [2023-11-12 01:04:46,854 INFO L895 garLoopResultBuilder]: At program point L324(line 324) the Hoare annotation is: false [2023-11-12 01:04:46,854 INFO L899 garLoopResultBuilder]: For program point L324-1(line 324) no Hoare annotation was computed. [2023-11-12 01:04:46,854 INFO L895 garLoopResultBuilder]: At program point L308(line 308) the Hoare annotation is: false [2023-11-12 01:04:46,854 INFO L899 garLoopResultBuilder]: For program point L308-1(line 308) no Hoare annotation was computed. [2023-11-12 01:04:46,854 INFO L895 garLoopResultBuilder]: At program point L209(line 209) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= 0 (+ ~VALUE3~0 128)) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= ~g1v_old~0 0) (= 51 (select |#length| 2)) (= ~g1v_new~0 0) (= |ULTIMATE.start_main_~c1~0#1| 0) (= ~g3v_old~0 0) (= 2 (select |#length| 1)) (= ~g2v~0 0) (= (select |#valid| 3) 1) (= ~g3v_new~0 0) (<= 0 (+ ~votedValue_History_1~0 128)) (<= ~votedValue_History_0~0 127) (<= ~votedValue_History_2~0 127) (<= 0 (+ ~votedValue_History_0~0 128)) (= (select |#valid| 1) 1) (= (+ ~nomsg~0 1) 0) (<= ~VALUE2~0 127) (<= 0 (+ ~VALUE2~0 128)) (= (select |#valid| 0) 0) (= ~g3v~0 0) (<= ~VALUE3~0 127) (= ~g2v_old~0 0) (= (select |#valid| 2) 1) (= ~g1v~0 0) (= (select .cse0 0) 48) (<= ~votedValue_History_1~0 127) (= (select .cse0 1) 0) (<= 0 (+ ~votedValue_History_2~0 128)) (<= 0 (+ ~VALUE1~0 128)) (<= ~VALUE1~0 127) (= ~g2v_new~0 0))) [2023-11-12 01:04:46,855 INFO L899 garLoopResultBuilder]: For program point L209-1(line 209) no Hoare annotation was computed. [2023-11-12 01:04:46,855 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 330) no Hoare annotation was computed. [2023-11-12 01:04:46,855 INFO L899 garLoopResultBuilder]: For program point L441(lines 441 469) no Hoare annotation was computed. [2023-11-12 01:04:46,855 INFO L895 garLoopResultBuilder]: At program point L375(line 375) the Hoare annotation is: false [2023-11-12 01:04:46,855 INFO L899 garLoopResultBuilder]: For program point L375-1(lines 373 396) no Hoare annotation was computed. [2023-11-12 01:04:46,855 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 311) no Hoare annotation was computed. [2023-11-12 01:04:46,855 INFO L899 garLoopResultBuilder]: For program point L276(line 276) no Hoare annotation was computed. [2023-11-12 01:04:46,856 INFO L899 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2023-11-12 01:04:46,856 INFO L895 garLoopResultBuilder]: At program point L326(line 326) the Hoare annotation is: false [2023-11-12 01:04:46,856 INFO L899 garLoopResultBuilder]: For program point L326-1(line 326) no Hoare annotation was computed. [2023-11-12 01:04:46,856 INFO L895 garLoopResultBuilder]: At program point L260-1(line 260) the Hoare annotation is: false [2023-11-12 01:04:46,856 INFO L895 garLoopResultBuilder]: At program point L508-2(lines 508 524) the Hoare annotation is: false [2023-11-12 01:04:46,856 INFO L899 garLoopResultBuilder]: For program point L277-2(lines 266 297) no Hoare annotation was computed. [2023-11-12 01:04:46,857 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 469) no Hoare annotation was computed. [2023-11-12 01:04:46,857 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 01:04:46,857 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 329) no Hoare annotation was computed. [2023-11-12 01:04:46,857 INFO L899 garLoopResultBuilder]: For program point L261(line 261) no Hoare annotation was computed. [2023-11-12 01:04:46,857 INFO L895 garLoopResultBuilder]: At program point L344(line 344) the Hoare annotation is: false [2023-11-12 01:04:46,857 INFO L899 garLoopResultBuilder]: For program point L344-1(lines 342 365) no Hoare annotation was computed. [2023-11-12 01:04:46,857 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 299) no Hoare annotation was computed. [2023-11-12 01:04:46,858 INFO L895 garLoopResultBuilder]: At program point L262-1(lines 262 299) the Hoare annotation is: false [2023-11-12 01:04:46,858 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 469) no Hoare annotation was computed. [2023-11-12 01:04:46,858 INFO L895 garLoopResultBuilder]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= 0 (+ ~VALUE3~0 128)) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= ~g1v_old~0 0) (= 51 (select |#length| 2)) (= ~g1v_new~0 0) (= |ULTIMATE.start_main_~c1~0#1| 0) (= ~g3v_old~0 0) (= 2 (select |#length| 1)) (= ~g2v~0 0) (= (select |#valid| 3) 1) (= ~g3v_new~0 0) (<= 0 (+ ~votedValue_History_1~0 128)) (<= ~votedValue_History_0~0 127) (<= ~votedValue_History_2~0 127) (<= 0 (+ ~votedValue_History_0~0 128)) (= |ULTIMATE.start_init_~tmp~1#1| 1) (= (select |#valid| 1) 1) (= (+ ~nomsg~0 1) 0) (<= ~VALUE2~0 127) (<= 0 (+ ~VALUE2~0 128)) (= (select |#valid| 0) 0) (= ~g3v~0 0) (<= ~VALUE3~0 127) (= ~g2v_old~0 0) (= (select |#valid| 2) 1) (= ~g1v~0 0) (= (select .cse0 0) 48) (<= ~votedValue_History_1~0 127) (= (select .cse0 1) 0) (<= 0 (+ ~votedValue_History_2~0 128)) (<= 0 (+ ~VALUE1~0 128)) (<= ~VALUE1~0 127) (= ~g2v_new~0 0))) [2023-11-12 01:04:46,858 INFO L899 garLoopResultBuilder]: For program point L213-1(line 213) no Hoare annotation was computed. [2023-11-12 01:04:46,859 INFO L895 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: false [2023-11-12 01:04:46,859 INFO L899 garLoopResultBuilder]: For program point L263-1(line 263) no Hoare annotation was computed. [2023-11-12 01:04:46,859 INFO L899 garLoopResultBuilder]: For program point L214(lines 214 216) no Hoare annotation was computed. [2023-11-12 01:04:46,859 INFO L899 garLoopResultBuilder]: For program point L462(lines 462 469) no Hoare annotation was computed. [2023-11-12 01:04:46,859 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 298) no Hoare annotation was computed. [2023-11-12 01:04:46,859 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 291) no Hoare annotation was computed. [2023-11-12 01:04:46,859 INFO L899 garLoopResultBuilder]: For program point check_returnLabel#1(lines 228 335) no Hoare annotation was computed. [2023-11-12 01:04:46,860 INFO L895 garLoopResultBuilder]: At program point L265(line 265) the Hoare annotation is: false [2023-11-12 01:04:46,860 INFO L899 garLoopResultBuilder]: For program point L265-1(line 265) no Hoare annotation was computed. [2023-11-12 01:04:46,860 INFO L899 garLoopResultBuilder]: For program point L166(lines 166 172) no Hoare annotation was computed. [2023-11-12 01:04:46,860 INFO L899 garLoopResultBuilder]: For program point L282(lines 282 288) no Hoare annotation was computed. [2023-11-12 01:04:46,860 INFO L899 garLoopResultBuilder]: For program point init_returnLabel#1(lines 201 227) no Hoare annotation was computed. [2023-11-12 01:04:46,860 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 297) no Hoare annotation was computed. [2023-11-12 01:04:46,861 INFO L899 garLoopResultBuilder]: For program point $Ultimate##126(lines 294 296) no Hoare annotation was computed. [2023-11-12 01:04:46,861 INFO L895 garLoopResultBuilder]: At program point L85(line 85) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (or (not (= (select .cse0 0) 48)) (not (= 2 (select |#length| 1))) (not (= (select |#valid| 3) 1)) (let ((.cse1 (< (+ ~votedValue_History_0~0 128) 0)) (.cse2 (not (= ~g3v_old~0 0))) (.cse3 (not (= ~g3v_new~0 0))) (.cse4 (not (= ~g1v_new~0 0))) (.cse5 (< (+ ~votedValue_History_1~0 128) 0)) (.cse6 (not (= ~g2v~0 0))) (.cse7 (< 127 ~VALUE2~0)) (.cse8 (not (= ~g2v_new~0 0))) (.cse9 (not (= ~g1v_old~0 0))) (.cse10 (< (+ ~VALUE3~0 128) 0)) (.cse11 (< (+ ~VALUE1~0 128) 0)) (.cse12 (not (= ~g3v~0 0))) (.cse13 (< 127 ~VALUE1~0)) (.cse14 (< 127 ~VALUE3~0)) (.cse15 (not (= ~g2v_old~0 0))) (.cse16 (not (= (+ ~nomsg~0 1) 0))) (.cse17 (< |#StackHeapBarrier| 1)) (.cse18 (< 127 ~votedValue_History_0~0)) (.cse19 (< (+ ~VALUE2~0 128) 0)) (.cse20 (< (+ ~votedValue_History_2~0 128) 0)) (.cse21 (not (= ~g1v~0 0))) (.cse22 (< 127 ~votedValue_History_2~0)) (.cse23 (< 127 ~votedValue_History_1~0))) (and (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (not (= |add_history_type_#in~history_id| 1)) .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23) (or .cse1 .cse2 .cse3 .cse4 (not (= |add_history_type_#in~history_id| 0)) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23))) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 2) 1)) (not (= 51 (select |#length| 2))))) [2023-11-12 01:04:46,861 INFO L899 garLoopResultBuilder]: For program point L85-1(line 85) no Hoare annotation was computed. [2023-11-12 01:04:46,862 INFO L895 garLoopResultBuilder]: At program point L73(line 73) the Hoare annotation is: (let ((.cse0 (not (= |add_history_type_#in~history_id| 0))) (.cse11 (select |#memory_int| 1))) (let ((.cse1 (not (= (select .cse11 0) 48))) (.cse2 (not (= 2 (select |#length| 1)))) (.cse3 (not (= (select |#valid| 3) 1))) (.cse4 (let ((.cse12 (< (+ ~votedValue_History_0~0 128) 0)) (.cse13 (not (= ~g3v_old~0 0))) (.cse14 (not (= ~g3v_new~0 0))) (.cse15 (not (= ~g1v_new~0 0))) (.cse16 (< (+ ~votedValue_History_1~0 128) 0)) (.cse17 (not (= ~g2v~0 0))) (.cse18 (< 127 ~VALUE2~0)) (.cse19 (not (= ~g2v_new~0 0))) (.cse20 (not (= ~g1v_old~0 0))) (.cse21 (< (+ ~VALUE3~0 128) 0)) (.cse22 (< (+ ~VALUE1~0 128) 0)) (.cse23 (not (= ~g3v~0 0))) (.cse24 (< 127 ~VALUE1~0)) (.cse25 (< 127 ~VALUE3~0)) (.cse26 (not (= ~g2v_old~0 0))) (.cse27 (not (= (+ ~nomsg~0 1) 0))) (.cse28 (< |#StackHeapBarrier| 1)) (.cse29 (< 127 ~votedValue_History_0~0)) (.cse30 (< (+ ~VALUE2~0 128) 0)) (.cse31 (< (+ ~votedValue_History_2~0 128) 0)) (.cse32 (not (= ~g1v~0 0))) (.cse33 (< 127 ~votedValue_History_2~0)) (.cse34 (< 127 ~votedValue_History_1~0))) (and (or .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 (not (= |add_history_type_#in~history_id| 1)) .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34) (or .cse12 .cse13 .cse14 .cse15 .cse0 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34)))) (.cse5 (not (= (select |#length| 3) 12))) (.cse6 (not (= (select |#valid| 0) 0))) (.cse7 (not (= (select .cse11 1) 0))) (.cse8 (not (= (select |#valid| 1) 1))) (.cse9 (not (= (select |#valid| 2) 1))) (.cse10 (not (= 51 (select |#length| 2))))) (and (or .cse0 .cse1 .cse2 (and (<= 0 add_history_type_~var~0) (= add_history_type_~ini_bool~0 0) (= (+ 2 add_history_type_~ini_int~0) 0)) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (and (<= add_history_type_~var~0 2) (= add_history_type_~history_id 0)) .cse8 .cse9 .cse10)))) [2023-11-12 01:04:46,862 INFO L899 garLoopResultBuilder]: For program point L73-1(line 73) no Hoare annotation was computed. [2023-11-12 01:04:46,862 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 95) no Hoare annotation was computed. [2023-11-12 01:04:46,862 INFO L899 garLoopResultBuilder]: For program point L90-2(lines 72 95) no Hoare annotation was computed. [2023-11-12 01:04:46,862 INFO L899 garLoopResultBuilder]: For program point L86(lines 86 88) no Hoare annotation was computed. [2023-11-12 01:04:46,862 INFO L899 garLoopResultBuilder]: For program point L78(lines 78 95) no Hoare annotation was computed. [2023-11-12 01:04:46,863 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 76) no Hoare annotation was computed. [2023-11-12 01:04:46,863 INFO L895 garLoopResultBuilder]: At program point L91(line 91) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (or (not (= (select .cse0 0) 48)) (not (= 2 (select |#length| 1))) (not (= (select |#valid| 3) 1)) (let ((.cse1 (< (+ ~votedValue_History_0~0 128) 0)) (.cse2 (not (= ~g3v_old~0 0))) (.cse3 (not (= ~g3v_new~0 0))) (.cse4 (not (= ~g1v_new~0 0))) (.cse5 (< (+ ~votedValue_History_1~0 128) 0)) (.cse6 (not (= ~g2v~0 0))) (.cse7 (< 127 ~VALUE2~0)) (.cse8 (not (= ~g2v_new~0 0))) (.cse9 (not (= ~g1v_old~0 0))) (.cse10 (< (+ ~VALUE3~0 128) 0)) (.cse11 (< (+ ~VALUE1~0 128) 0)) (.cse12 (not (= ~g3v~0 0))) (.cse13 (< 127 ~VALUE1~0)) (.cse14 (< 127 ~VALUE3~0)) (.cse15 (not (= ~g2v_old~0 0))) (.cse16 (not (= (+ ~nomsg~0 1) 0))) (.cse17 (< |#StackHeapBarrier| 1)) (.cse18 (< 127 ~votedValue_History_0~0)) (.cse19 (< (+ ~VALUE2~0 128) 0)) (.cse20 (< (+ ~votedValue_History_2~0 128) 0)) (.cse21 (not (= ~g1v~0 0))) (.cse22 (< 127 ~votedValue_History_2~0)) (.cse23 (< 127 ~votedValue_History_1~0))) (and (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (not (= |add_history_type_#in~history_id| 1)) .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23) (or .cse1 .cse2 .cse3 .cse4 (not (= |add_history_type_#in~history_id| 0)) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23))) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 2) 1)) (not (= 51 (select |#length| 2))))) [2023-11-12 01:04:46,863 INFO L899 garLoopResultBuilder]: For program point L91-1(line 91) no Hoare annotation was computed. [2023-11-12 01:04:46,863 INFO L899 garLoopResultBuilder]: For program point add_history_typeEXIT(lines 57 100) no Hoare annotation was computed. [2023-11-12 01:04:46,864 INFO L895 garLoopResultBuilder]: At program point L79(line 79) the Hoare annotation is: (let ((.cse10 (not (= |add_history_type_#in~history_id| 0))) (.cse11 (select |#memory_int| 1))) (let ((.cse0 (not (= (select .cse11 0) 48))) (.cse1 (not (= 2 (select |#length| 1)))) (.cse2 (not (= (select |#valid| 3) 1))) (.cse3 (let ((.cse12 (< (+ ~votedValue_History_0~0 128) 0)) (.cse13 (not (= ~g3v_old~0 0))) (.cse14 (not (= ~g3v_new~0 0))) (.cse15 (not (= ~g1v_new~0 0))) (.cse16 (< (+ ~votedValue_History_1~0 128) 0)) (.cse17 (not (= ~g2v~0 0))) (.cse18 (< 127 ~VALUE2~0)) (.cse19 (not (= ~g2v_new~0 0))) (.cse20 (not (= ~g1v_old~0 0))) (.cse21 (< (+ ~VALUE3~0 128) 0)) (.cse22 (< (+ ~VALUE1~0 128) 0)) (.cse23 (not (= ~g3v~0 0))) (.cse24 (< 127 ~VALUE1~0)) (.cse25 (< 127 ~VALUE3~0)) (.cse26 (not (= ~g2v_old~0 0))) (.cse27 (not (= (+ ~nomsg~0 1) 0))) (.cse28 (< |#StackHeapBarrier| 1)) (.cse29 (< 127 ~votedValue_History_0~0)) (.cse30 (< (+ ~VALUE2~0 128) 0)) (.cse31 (< (+ ~votedValue_History_2~0 128) 0)) (.cse32 (not (= ~g1v~0 0))) (.cse33 (< 127 ~votedValue_History_2~0)) (.cse34 (< 127 ~votedValue_History_1~0))) (and (or .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 (not (= |add_history_type_#in~history_id| 1)) .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34) (or .cse12 .cse13 .cse14 .cse15 .cse10 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34)))) (.cse4 (not (= (select |#length| 3) 12))) (.cse5 (not (= (select |#valid| 0) 0))) (.cse6 (not (= (select .cse11 1) 0))) (.cse7 (not (= (select |#valid| 1) 1))) (.cse8 (not (= (select |#valid| 2) 1))) (.cse9 (not (= 51 (select |#length| 2))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (and (<= 0 add_history_type_~var~0) (<= add_history_type_~var~0 2) (= add_history_type_~ini_bool~0 0) (= add_history_type_~history_id 1) (= (+ 2 add_history_type_~ini_int~0) 0))) (or .cse10 .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9)))) [2023-11-12 01:04:46,864 INFO L899 garLoopResultBuilder]: For program point L79-1(line 79) no Hoare annotation was computed. [2023-11-12 01:04:46,864 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 57 100) the Hoare annotation is: true [2023-11-12 01:04:46,865 INFO L895 garLoopResultBuilder]: At program point L71-2(lines 71 97) the Hoare annotation is: (let ((.cse0 (not (= |add_history_type_#in~history_id| 0))) (.cse12 (select |#memory_int| 1))) (let ((.cse1 (not (= (select .cse12 0) 48))) (.cse2 (not (= 2 (select |#length| 1)))) (.cse3 (not (= (select |#valid| 3) 1))) (.cse4 (let ((.cse13 (< (+ ~votedValue_History_0~0 128) 0)) (.cse14 (not (= ~g3v_old~0 0))) (.cse15 (not (= ~g3v_new~0 0))) (.cse16 (not (= ~g1v_new~0 0))) (.cse17 (< (+ ~votedValue_History_1~0 128) 0)) (.cse18 (not (= ~g2v~0 0))) (.cse19 (< 127 ~VALUE2~0)) (.cse20 (not (= ~g2v_new~0 0))) (.cse21 (not (= ~g1v_old~0 0))) (.cse22 (< (+ ~VALUE3~0 128) 0)) (.cse23 (< (+ ~VALUE1~0 128) 0)) (.cse24 (not (= ~g3v~0 0))) (.cse25 (< 127 ~VALUE1~0)) (.cse26 (< 127 ~VALUE3~0)) (.cse27 (not (= ~g2v_old~0 0))) (.cse28 (not (= (+ ~nomsg~0 1) 0))) (.cse29 (< |#StackHeapBarrier| 1)) (.cse30 (< 127 ~votedValue_History_0~0)) (.cse31 (< (+ ~VALUE2~0 128) 0)) (.cse32 (< (+ ~votedValue_History_2~0 128) 0)) (.cse33 (not (= ~g1v~0 0))) (.cse34 (< 127 ~votedValue_History_2~0)) (.cse35 (< 127 ~votedValue_History_1~0))) (and (or .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 (not (= |add_history_type_#in~history_id| 1)) .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35) (or .cse13 .cse14 .cse15 .cse16 .cse0 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35)))) (.cse5 (not (= (select |#length| 3) 12))) (.cse6 (not (= (select |#valid| 0) 0))) (.cse7 (not (= (select .cse12 1) 0))) (.cse8 (not (= (select |#valid| 1) 1))) (.cse10 (not (= (select |#valid| 2) 1))) (.cse11 (not (= 51 (select |#length| 2))))) (and (let ((.cse9 (= add_history_type_~history_id 0))) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (and (= add_history_type_~tmp~0 0) .cse9) (and (= add_history_type_~var~0 0) .cse9) .cse10 .cse11)) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (and (<= 0 add_history_type_~var~0) (= add_history_type_~ini_bool~0 0) (= (+ 2 add_history_type_~ini_int~0) 0) (<= 0 add_history_type_~history_id) (<= add_history_type_~history_id 1)) .cse10 .cse11)))) [2023-11-12 01:04:46,865 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 94) no Hoare annotation was computed. [2023-11-12 01:04:46,865 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 95) no Hoare annotation was computed. [2023-11-12 01:04:46,865 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 82) no Hoare annotation was computed. [2023-11-12 01:04:46,865 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 95) no Hoare annotation was computed. [2023-11-12 01:04:46,865 INFO L899 garLoopResultBuilder]: For program point add_history_typeFINAL(lines 57 100) no Hoare annotation was computed. [2023-11-12 01:04:46,866 INFO L899 garLoopResultBuilder]: For program point L191(lines 191 197) no Hoare annotation was computed. [2023-11-12 01:04:46,866 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 197) no Hoare annotation was computed. [2023-11-12 01:04:46,866 INFO L899 garLoopResultBuilder]: For program point write_history_boolEXIT(lines 176 200) no Hoare annotation was computed. [2023-11-12 01:04:46,866 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 197) no Hoare annotation was computed. [2023-11-12 01:04:46,866 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 176 200) the Hoare annotation is: true [2023-11-12 01:04:46,866 INFO L902 garLoopResultBuilder]: At program point L196(line 196) the Hoare annotation is: true [2023-11-12 01:04:46,866 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 176 200) no Hoare annotation was computed. [2023-11-12 01:04:46,870 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:04:46,872 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 01:04:46,889 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-11-12 01:04:46,890 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-12 01:04:46,891 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-12 01:04:46,893 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-12 01:04:46,893 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-12 01:04:46,893 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-11-12 01:04:46,893 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-12 01:04:46,894 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-12 01:04:46,894 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-12 01:04:46,894 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-11-12 01:04:46,894 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-12 01:04:46,895 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-12 01:04:46,897 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-12 01:04:46,897 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-12 01:04:46,897 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-11-12 01:04:46,897 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-12 01:04:46,898 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-12 01:04:46,898 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-12 01:04:46,900 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-11-12 01:04:46,900 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-12 01:04:46,900 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-12 01:04:46,902 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-12 01:04:46,902 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-12 01:04:46,902 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-11-12 01:04:46,903 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-12 01:04:46,903 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-12 01:04:46,903 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-12 01:04:46,903 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-11-12 01:04:46,904 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-12 01:04:46,904 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-12 01:04:46,906 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-12 01:04:46,906 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-12 01:04:46,906 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-11-12 01:04:46,906 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-12 01:04:46,907 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-12 01:04:46,907 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-12 01:04:46,907 ERROR L464 ceAbstractionStarter]: Failed to backtranslate (let ((.cse0 (not (= |add_history_type_#in~history_id| 0))) (.cse12 (select |#memory_int| 1))) (let ((.cse1 (not (= (select .cse12 0) 48))) (.cse2 (not (= 2 (select |#length| 1)))) (.cse3 (not (= (select |#valid| 3) 1))) (.cse4 (let ((.cse13 (< (+ ~votedValue_History_0~0 128) 0)) (.cse14 (not (= ~g3v_old~0 0))) (.cse15 (not (= ~g3v_new~0 0))) (.cse16 (not (= ~g1v_new~0 0))) (.cse17 (< (+ ~votedValue_History_1~0 128) 0)) (.cse18 (not (= ~g2v~0 0))) (.cse19 (< 127 ~VALUE2~0)) (.cse20 (not (= ~g2v_new~0 0))) (.cse21 (not (= ~g1v_old~0 0))) (.cse22 (< (+ ~VALUE3~0 128) 0)) (.cse23 (< (+ ~VALUE1~0 128) 0)) (.cse24 (not (= ~g3v~0 0))) (.cse25 (< 127 ~VALUE1~0)) (.cse26 (< 127 ~VALUE3~0)) (.cse27 (not (= ~g2v_old~0 0))) (.cse28 (not (= (+ ~nomsg~0 1) 0))) (.cse29 (< |#StackHeapBarrier| 1)) (.cse30 (< 127 ~votedValue_History_0~0)) (.cse31 (< (+ ~VALUE2~0 128) 0)) (.cse32 (< (+ ~votedValue_History_2~0 128) 0)) (.cse33 (not (= ~g1v~0 0))) (.cse34 (< 127 ~votedValue_History_2~0)) (.cse35 (< 127 ~votedValue_History_1~0))) (and (or .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 (not (= |add_history_type_#in~history_id| 1)) .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35) (or .cse13 .cse14 .cse15 .cse16 .cse0 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35)))) (.cse5 (not (= (select |#length| 3) 12))) (.cse6 (not (= (select |#valid| 0) 0))) (.cse7 (not (= (select .cse12 1) 0))) (.cse8 (not (= (select |#valid| 1) 1))) (.cse10 (not (= (select |#valid| 2) 1))) (.cse11 (not (= 51 (select |#length| 2))))) (and (let ((.cse9 (= add_history_type_~history_id 0))) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (and (= add_history_type_~tmp~0 0) .cse9) (and (= add_history_type_~var~0 0) .cse9) .cse10 .cse11)) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (and (<= 0 add_history_type_~var~0) (= add_history_type_~ini_bool~0 0) (= (+ 2 add_history_type_~ini_int~0) 0) (<= 0 add_history_type_~history_id) (<= add_history_type_~history_id 1)) .cse10 .cse11)))) [2023-11-12 01:04:46,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 01:04:46 BoogieIcfgContainer [2023-11-12 01:04:46,908 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 01:04:46,909 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 01:04:46,909 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 01:04:46,909 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 01:04:46,910 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:04:03" (3/4) ... [2023-11-12 01:04:46,912 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 01:04:46,915 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_history_int8 [2023-11-12 01:04:46,915 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_history_bool [2023-11-12 01:04:46,916 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert [2023-11-12 01:04:46,916 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure add_history_type [2023-11-12 01:04:46,916 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure write_history_bool [2023-11-12 01:04:46,930 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2023-11-12 01:04:46,932 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-12 01:04:46,933 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 01:04:46,935 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 01:04:47,081 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/bin/utaipan-verify-NcY6lQBIFX/witness.graphml [2023-11-12 01:04:47,082 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/bin/utaipan-verify-NcY6lQBIFX/witness.yml [2023-11-12 01:04:47,082 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 01:04:47,083 INFO L158 Benchmark]: Toolchain (without parser) took 45106.70ms. Allocated memory was 178.3MB in the beginning and 526.4MB in the end (delta: 348.1MB). Free memory was 144.9MB in the beginning and 364.1MB in the end (delta: -219.2MB). Peak memory consumption was 129.8MB. Max. memory is 16.1GB. [2023-11-12 01:04:47,083 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:04:47,084 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.43ms. Allocated memory is still 178.3MB. Free memory was 144.4MB in the beginning and 128.4MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 01:04:47,084 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.07ms. Allocated memory is still 178.3MB. Free memory was 128.4MB in the beginning and 125.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 01:04:47,084 INFO L158 Benchmark]: Boogie Preprocessor took 48.03ms. Allocated memory is still 178.3MB. Free memory was 125.3MB in the beginning and 123.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 01:04:47,085 INFO L158 Benchmark]: RCFGBuilder took 1219.53ms. Allocated memory is still 178.3MB. Free memory was 123.2MB in the beginning and 129.5MB in the end (delta: -6.4MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2023-11-12 01:04:47,085 INFO L158 Benchmark]: TraceAbstraction took 43115.20ms. Allocated memory was 178.3MB in the beginning and 526.4MB in the end (delta: 348.1MB). Free memory was 128.5MB in the beginning and 375.6MB in the end (delta: -247.1MB). Peak memory consumption was 300.6MB. Max. memory is 16.1GB. [2023-11-12 01:04:47,086 INFO L158 Benchmark]: Witness Printer took 173.25ms. Allocated memory is still 526.4MB. Free memory was 374.6MB in the beginning and 364.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 01:04:47,088 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 445.43ms. Allocated memory is still 178.3MB. Free memory was 144.4MB in the beginning and 128.4MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.07ms. Allocated memory is still 178.3MB. Free memory was 128.4MB in the beginning and 125.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.03ms. Allocated memory is still 178.3MB. Free memory was 125.3MB in the beginning and 123.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1219.53ms. Allocated memory is still 178.3MB. Free memory was 123.2MB in the beginning and 129.5MB in the end (delta: -6.4MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. * TraceAbstraction took 43115.20ms. Allocated memory was 178.3MB in the beginning and 526.4MB in the end (delta: 348.1MB). Free memory was 128.5MB in the beginning and 375.6MB in the end (delta: -247.1MB). Peak memory consumption was 300.6MB. Max. memory is 16.1GB. * Witness Printer took 173.25ms. Allocated memory is still 526.4MB. Free memory was 374.6MB in the beginning and 364.1MB 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated * 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: 535]: 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 6 procedures, 131 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 43.0s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 288 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 267 mSDsluCounter, 4822 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3569 mSDsCounter, 78 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1668 IncrementalHoareTripleChecker+Invalid, 1746 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 78 mSolverCounterUnsat, 1253 mSDtfsCounter, 1668 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 404 GetRequests, 291 SyntacticMatches, 5 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 882 ImplicationChecksByTransitivity, 21.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=170occurred in iteration=6, InterpolantAutomatonStates: 95, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 51 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 554 PreInvPairs, 577 NumberOfFragments, 2550 HoareAnnotationTreeSize, 554 FomulaSimplifications, 5471 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 39 FomulaSimplificationsInter, 6803 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 331 NumberOfCodeBlocks, 331 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 430 ConstructedInterpolants, 0 QuantifiedInterpolants, 578 SizeOfPredicates, 0 NumberOfNonLiveVariables, 469 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 14 InterpolantComputations, 5 PerfectInterpolantSequences, 79/98 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: OVERALL_TIME: 11.4s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 9, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 104, DAG_INTERPRETER_EARLY_EXITS: 4, TOOLS_POST_APPLICATIONS: 193, TOOLS_POST_TIME: 5.8s, TOOLS_POST_CALL_APPLICATIONS: 75, TOOLS_POST_CALL_TIME: 1.7s, TOOLS_POST_RETURN_APPLICATIONS: 64, TOOLS_POST_RETURN_TIME: 1.8s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 332, TOOLS_QUANTIFIERELIM_TIME: 9.1s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 396, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 69, DOMAIN_JOIN_TIME: 1.4s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 12, DOMAIN_WIDEN_TIME: 0.3s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 104, DOMAIN_ISBOTTOM_TIME: 0.2s, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME: 5.1s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 5.1s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 64, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME: 1.3s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 1.3s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 1095, DAG_COMPRESSION_RETAINED_NODES: 243, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 71]: Loop Invariant [2023-11-12 01:04:47,103 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-11-12 01:04:47,103 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-12 01:04:47,103 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-12 01:04:47,105 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-12 01:04:47,105 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-12 01:04:47,105 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-11-12 01:04:47,106 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-12 01:04:47,106 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-12 01:04:47,106 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-12 01:04:47,106 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-11-12 01:04:47,107 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-12 01:04:47,107 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-12 01:04:47,108 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-12 01:04:47,109 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-12 01:04:47,109 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-11-12 01:04:47,109 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-12 01:04:47,109 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-12 01:04:47,109 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-12 01:04:47,111 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-11-12 01:04:47,111 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-12 01:04:47,111 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-12 01:04:47,113 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-12 01:04:47,113 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-12 01:04:47,113 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-11-12 01:04:47,114 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-12 01:04:47,114 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-12 01:04:47,114 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-12 01:04:47,114 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-11-12 01:04:47,114 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-12 01:04:47,115 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-12 01:04:47,116 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-12 01:04:47,116 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-12 01:04:47,117 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-11-12 01:04:47,117 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-12 01:04:47,117 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-12 01:04:47,117 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated Derived loop invariant: NULL - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-12 01:04:47,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1cb50-7753-4a0c-be97-fb844cfaabdb/bin/utaipan-verify-NcY6lQBIFX/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