./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cdd691469d2e12c2dd1871c48be4dd2db0b9d27541ac5dee5ff25a04db0d98eb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:14:35,701 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:14:35,814 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-19 05:14:35,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:14:35,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:14:35,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:14:35,865 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:14:35,866 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:14:35,867 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:14:35,872 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:14:35,873 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:14:35,873 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:14:35,873 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:14:35,875 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:14:35,875 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:14:35,876 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:14:35,876 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:14:35,877 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:14:35,877 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:14:35,877 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:14:35,878 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:14:35,878 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:14:35,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:14:35,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:14:35,880 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:14:35,881 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:14:35,881 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:14:35,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:14:35,882 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:14:35,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:14:35,883 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:14:35,884 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 05:14:35,884 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:14:35,884 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:14:35,884 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:14:35,885 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:14:35,885 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:14:35,886 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:14:35,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:14:35,886 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:14:35,887 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:14:35,887 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:14:35,887 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:14:35,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:14:35,888 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:14:35,888 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:14:35,888 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:14:35,889 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_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cdd691469d2e12c2dd1871c48be4dd2db0b9d27541ac5dee5ff25a04db0d98eb [2023-11-19 05:14:36,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:14:36,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:14:36,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:14:36,254 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:14:36,254 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:14:36,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.BOUNDED-10.pals.c [2023-11-19 05:14:39,286 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:14:39,537 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:14:39,538 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.BOUNDED-10.pals.c [2023-11-19 05:14:39,551 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/data/ceddc2d75/897cd04acf3a42a4aa134cebe1874a85/FLAG6467c2da6 [2023-11-19 05:14:39,569 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/data/ceddc2d75/897cd04acf3a42a4aa134cebe1874a85 [2023-11-19 05:14:39,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:14:39,576 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:14:39,577 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:14:39,577 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:14:39,590 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:14:39,590 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:14:39" (1/1) ... [2023-11-19 05:14:39,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e163980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:39, skipping insertion in model container [2023-11-19 05:14:39,592 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:14:39" (1/1) ... [2023-11-19 05:14:39,657 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:14:39,878 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:14:39,889 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:14:39,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:14:39,974 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:14:39,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:39 WrapperNode [2023-11-19 05:14:39,975 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:14:39,976 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:14:39,976 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:14:39,977 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:14:39,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:39" (1/1) ... [2023-11-19 05:14:39,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:39" (1/1) ... [2023-11-19 05:14:40,045 INFO L138 Inliner]: procedures = 32, calls = 49, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 508 [2023-11-19 05:14:40,056 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:14:40,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:14:40,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:14:40,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:14:40,067 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:39" (1/1) ... [2023-11-19 05:14:40,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:39" (1/1) ... [2023-11-19 05:14:40,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:39" (1/1) ... [2023-11-19 05:14:40,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:39" (1/1) ... [2023-11-19 05:14:40,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:39" (1/1) ... [2023-11-19 05:14:40,114 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:39" (1/1) ... [2023-11-19 05:14:40,117 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:39" (1/1) ... [2023-11-19 05:14:40,120 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:39" (1/1) ... [2023-11-19 05:14:40,127 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:14:40,128 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:14:40,128 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:14:40,128 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:14:40,129 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:39" (1/1) ... [2023-11-19 05:14:40,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:14:40,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:14:40,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:14:40,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:14:40,235 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2023-11-19 05:14:40,235 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2023-11-19 05:14:40,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:14:40,236 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2023-11-19 05:14:40,236 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2023-11-19 05:14:40,236 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-11-19 05:14:40,236 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-11-19 05:14:40,238 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2023-11-19 05:14:40,239 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2023-11-19 05:14:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:14:40,239 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:14:40,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:14:40,240 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2023-11-19 05:14:40,240 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2023-11-19 05:14:40,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:14:40,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:14:40,241 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2023-11-19 05:14:40,241 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2023-11-19 05:14:40,400 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:14:40,404 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:14:41,194 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:14:41,424 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:14:41,424 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:14:41,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:41 BoogieIcfgContainer [2023-11-19 05:14:41,438 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:14:41,442 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:14:41,442 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:14:41,446 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:14:41,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:14:39" (1/3) ... [2023-11-19 05:14:41,447 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aeed177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:14:41, skipping insertion in model container [2023-11-19 05:14:41,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:39" (2/3) ... [2023-11-19 05:14:41,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aeed177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:14:41, skipping insertion in model container [2023-11-19 05:14:41,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:41" (3/3) ... [2023-11-19 05:14:41,451 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.4_2.ufo.BOUNDED-10.pals.c [2023-11-19 05:14:41,470 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:14:41,470 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 05:14:41,519 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:14:41,525 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;@2010d7ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:14:41,525 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-19 05:14:41,529 INFO L276 IsEmpty]: Start isEmpty. Operand has 150 states, 109 states have (on average 1.5412844036697249) internal successors, (168), 111 states have internal predecessors, (168), 31 states have call successors, (31), 7 states have call predecessors, (31), 7 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-19 05:14:41,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 05:14:41,543 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:41,544 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:14:41,544 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 05:14:41,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:41,549 INFO L85 PathProgramCache]: Analyzing trace with hash 701066614, now seen corresponding path program 1 times [2023-11-19 05:14:41,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:14:41,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666442196] [2023-11-19 05:14:41,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:41,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:14:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:42,151 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 05:14:42,152 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:14:42,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666442196] [2023-11-19 05:14:42,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666442196] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:14:42,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:14:42,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:14:42,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920291869] [2023-11-19 05:14:42,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:14:42,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:14:42,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:14:42,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:14:42,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:14:42,201 INFO L87 Difference]: Start difference. First operand has 150 states, 109 states have (on average 1.5412844036697249) internal successors, (168), 111 states have internal predecessors, (168), 31 states have call successors, (31), 7 states have call predecessors, (31), 7 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 05:14:42,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:14:42,359 INFO L93 Difference]: Finished difference Result 259 states and 409 transitions. [2023-11-19 05:14:42,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:14:42,362 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55 [2023-11-19 05:14:42,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:14:42,375 INFO L225 Difference]: With dead ends: 259 [2023-11-19 05:14:42,375 INFO L226 Difference]: Without dead ends: 255 [2023-11-19 05:14:42,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:14:42,382 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 107 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:14:42,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 652 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:14:42,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2023-11-19 05:14:42,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2023-11-19 05:14:42,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 189 states have (on average 1.5396825396825398) internal successors, (291), 190 states have internal predecessors, (291), 57 states have call successors, (57), 7 states have call predecessors, (57), 7 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2023-11-19 05:14:42,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 405 transitions. [2023-11-19 05:14:42,481 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 405 transitions. Word has length 55 [2023-11-19 05:14:42,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:14:42,483 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 405 transitions. [2023-11-19 05:14:42,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 05:14:42,483 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 405 transitions. [2023-11-19 05:14:42,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-19 05:14:42,493 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:42,493 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:14:42,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:14:42,494 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 05:14:42,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:42,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1600466231, now seen corresponding path program 1 times [2023-11-19 05:14:42,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:14:42,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225636441] [2023-11-19 05:14:42,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:42,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:14:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:43,062 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-19 05:14:43,062 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:14:43,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225636441] [2023-11-19 05:14:43,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225636441] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:14:43,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595688156] [2023-11-19 05:14:43,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:43,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:14:43,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:14:43,070 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:14:43,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:14:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:43,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:14:43,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:43,501 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-19 05:14:43,507 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:14:43,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595688156] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:14:43,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 05:14:43,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-11-19 05:14:43,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611505571] [2023-11-19 05:14:43,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:14:43,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:14:43,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:14:43,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:14:43,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-19 05:14:43,514 INFO L87 Difference]: Start difference. First operand 255 states and 405 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-19 05:14:43,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:14:43,759 INFO L93 Difference]: Finished difference Result 490 states and 769 transitions. [2023-11-19 05:14:43,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:14:43,760 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 106 [2023-11-19 05:14:43,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:14:43,767 INFO L225 Difference]: With dead ends: 490 [2023-11-19 05:14:43,767 INFO L226 Difference]: Without dead ends: 266 [2023-11-19 05:14:43,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-19 05:14:43,777 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 335 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:14:43,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 572 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:14:43,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2023-11-19 05:14:43,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2023-11-19 05:14:43,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 196 states have (on average 1.5204081632653061) internal successors, (298), 197 states have internal predecessors, (298), 58 states have call successors, (58), 10 states have call predecessors, (58), 10 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-19 05:14:43,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 414 transitions. [2023-11-19 05:14:43,830 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 414 transitions. Word has length 106 [2023-11-19 05:14:43,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:14:43,831 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 414 transitions. [2023-11-19 05:14:43,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-19 05:14:43,832 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 414 transitions. [2023-11-19 05:14:43,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-19 05:14:43,844 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:43,845 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:14:43,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:14:44,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:14:44,065 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 05:14:44,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:44,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1209181513, now seen corresponding path program 1 times [2023-11-19 05:14:44,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:14:44,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103200559] [2023-11-19 05:14:44,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:44,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:14:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:44,323 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 05:14:44,324 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:14:44,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103200559] [2023-11-19 05:14:44,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103200559] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:14:44,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069304497] [2023-11-19 05:14:44,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:44,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:14:44,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:14:44,337 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:14:44,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 05:14:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:44,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:14:44,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:44,656 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-19 05:14:44,656 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:14:44,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2069304497] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:14:44,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 05:14:44,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2023-11-19 05:14:44,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280269381] [2023-11-19 05:14:44,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:14:44,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:14:44,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:14:44,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:14:44,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-19 05:14:44,663 INFO L87 Difference]: Start difference. First operand 266 states and 414 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-19 05:14:44,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:14:44,864 INFO L93 Difference]: Finished difference Result 489 states and 765 transitions. [2023-11-19 05:14:44,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:14:44,865 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 107 [2023-11-19 05:14:44,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:14:44,869 INFO L225 Difference]: With dead ends: 489 [2023-11-19 05:14:44,869 INFO L226 Difference]: Without dead ends: 267 [2023-11-19 05:14:44,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-11-19 05:14:44,873 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 331 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:14:44,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 575 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:14:44,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2023-11-19 05:14:44,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 266. [2023-11-19 05:14:44,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 196 states have (on average 1.5153061224489797) internal successors, (297), 197 states have internal predecessors, (297), 58 states have call successors, (58), 10 states have call predecessors, (58), 10 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-19 05:14:44,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 413 transitions. [2023-11-19 05:14:44,911 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 413 transitions. Word has length 107 [2023-11-19 05:14:44,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:14:44,911 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 413 transitions. [2023-11-19 05:14:44,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-19 05:14:44,912 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 413 transitions. [2023-11-19 05:14:44,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-19 05:14:44,915 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:44,915 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:14:44,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 05:14:45,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:14:45,134 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 05:14:45,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:45,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1711760600, now seen corresponding path program 1 times [2023-11-19 05:14:45,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:14:45,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236660757] [2023-11-19 05:14:45,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:45,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:14:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:45,453 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-19 05:14:45,453 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:14:45,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236660757] [2023-11-19 05:14:45,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236660757] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:14:45,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793495752] [2023-11-19 05:14:45,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:45,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:14:45,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:14:45,460 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:14:45,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 05:14:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:45,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:14:45,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:45,822 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-19 05:14:45,822 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:14:45,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793495752] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:14:45,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 05:14:45,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2023-11-19 05:14:45,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575240120] [2023-11-19 05:14:45,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:14:45,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 05:14:45,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:14:45,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 05:14:45,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:14:45,825 INFO L87 Difference]: Start difference. First operand 266 states and 413 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-19 05:14:45,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:14:45,974 INFO L93 Difference]: Finished difference Result 266 states and 413 transitions. [2023-11-19 05:14:45,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 05:14:45,974 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 109 [2023-11-19 05:14:45,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:14:45,978 INFO L225 Difference]: With dead ends: 266 [2023-11-19 05:14:45,978 INFO L226 Difference]: Without dead ends: 265 [2023-11-19 05:14:45,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-19 05:14:45,980 INFO L413 NwaCegarLoop]: 380 mSDtfsCounter, 213 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 969 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:14:45,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 969 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:14:45,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2023-11-19 05:14:46,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2023-11-19 05:14:46,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 196 states have (on average 1.510204081632653) internal successors, (296), 196 states have internal predecessors, (296), 58 states have call successors, (58), 10 states have call predecessors, (58), 10 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-19 05:14:46,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 412 transitions. [2023-11-19 05:14:46,009 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 412 transitions. Word has length 109 [2023-11-19 05:14:46,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:14:46,010 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 412 transitions. [2023-11-19 05:14:46,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-19 05:14:46,010 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 412 transitions. [2023-11-19 05:14:46,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-19 05:14:46,013 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:46,014 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:14:46,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 05:14:46,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:14:46,235 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 05:14:46,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:46,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1524971572, now seen corresponding path program 1 times [2023-11-19 05:14:46,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:14:46,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310997846] [2023-11-19 05:14:46,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:46,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:14:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:46,413 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-19 05:14:46,414 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:14:46,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310997846] [2023-11-19 05:14:46,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310997846] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:14:46,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:14:46,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:14:46,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307075274] [2023-11-19 05:14:46,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:14:46,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:14:46,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:14:46,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:14:46,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:14:46,417 INFO L87 Difference]: Start difference. First operand 265 states and 412 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-19 05:14:46,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:14:46,470 INFO L93 Difference]: Finished difference Result 265 states and 412 transitions. [2023-11-19 05:14:46,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:14:46,471 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 110 [2023-11-19 05:14:46,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:14:46,474 INFO L225 Difference]: With dead ends: 265 [2023-11-19 05:14:46,474 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 05:14:46,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:14:46,476 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 106 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:14:46,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 503 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:14:46,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 05:14:46,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 05:14:46,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:14:46,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 05:14:46,478 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2023-11-19 05:14:46,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:14:46,479 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 05:14:46,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-19 05:14:46,479 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 05:14:46,479 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 05:14:46,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-19 05:14:46,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-19 05:14:46,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 05:14:46,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 05:14:46,914 INFO L902 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: true [2023-11-19 05:14:46,915 INFO L899 garLoopResultBuilder]: For program point L187-1(line 187) no Hoare annotation was computed. [2023-11-19 05:14:46,915 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 189) no Hoare annotation was computed. [2023-11-19 05:14:46,915 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 189) no Hoare annotation was computed. [2023-11-19 05:14:46,916 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 189) no Hoare annotation was computed. [2023-11-19 05:14:46,916 INFO L899 garLoopResultBuilder]: For program point read_manual_selection_historyEXIT(lines 173 191) no Hoare annotation was computed. [2023-11-19 05:14:46,916 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 173 191) the Hoare annotation is: true [2023-11-19 05:14:46,916 INFO L899 garLoopResultBuilder]: For program point read_manual_selection_historyFINAL(lines 173 191) no Hoare annotation was computed. [2023-11-19 05:14:46,916 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 236 248) the Hoare annotation is: true [2023-11-19 05:14:46,917 INFO L899 garLoopResultBuilder]: For program point flip_the_sideEXIT(lines 236 248) no Hoare annotation was computed. [2023-11-19 05:14:46,917 INFO L899 garLoopResultBuilder]: For program point read_side2_failed_historyEXIT(lines 113 131) no Hoare annotation was computed. [2023-11-19 05:14:46,917 INFO L902 garLoopResultBuilder]: At program point L127(line 127) the Hoare annotation is: true [2023-11-19 05:14:46,917 INFO L899 garLoopResultBuilder]: For program point L127-1(line 127) no Hoare annotation was computed. [2023-11-19 05:14:46,918 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 129) no Hoare annotation was computed. [2023-11-19 05:14:46,918 INFO L899 garLoopResultBuilder]: For program point read_side2_failed_historyFINAL(lines 113 131) no Hoare annotation was computed. [2023-11-19 05:14:46,918 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 129) no Hoare annotation was computed. [2023-11-19 05:14:46,919 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 129) no Hoare annotation was computed. [2023-11-19 05:14:46,920 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 113 131) the Hoare annotation is: true [2023-11-19 05:14:46,920 INFO L899 garLoopResultBuilder]: For program point assertEXIT(lines 612 623) no Hoare annotation was computed. [2023-11-19 05:14:46,920 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 612 623) the Hoare annotation is: true [2023-11-19 05:14:46,920 INFO L902 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: true [2023-11-19 05:14:46,920 INFO L899 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2023-11-19 05:14:46,920 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 99) no Hoare annotation was computed. [2023-11-19 05:14:46,920 INFO L899 garLoopResultBuilder]: For program point read_side1_failed_historyFINAL(lines 83 101) no Hoare annotation was computed. [2023-11-19 05:14:46,921 INFO L899 garLoopResultBuilder]: For program point L91(lines 91 99) no Hoare annotation was computed. [2023-11-19 05:14:46,922 INFO L899 garLoopResultBuilder]: For program point read_side1_failed_historyEXIT(lines 83 101) no Hoare annotation was computed. [2023-11-19 05:14:46,922 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 99) no Hoare annotation was computed. [2023-11-19 05:14:46,922 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 83 101) the Hoare annotation is: true [2023-11-19 05:14:46,922 INFO L895 garLoopResultBuilder]: At program point L564(line 564) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-11-19 05:14:46,923 INFO L899 garLoopResultBuilder]: For program point L564-1(line 564) no Hoare annotation was computed. [2023-11-19 05:14:46,923 INFO L899 garLoopResultBuilder]: For program point L465(lines 465 481) no Hoare annotation was computed. [2023-11-19 05:14:46,923 INFO L899 garLoopResultBuilder]: For program point L366-1(lines 347 370) no Hoare annotation was computed. [2023-11-19 05:14:46,923 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 370) no Hoare annotation was computed. [2023-11-19 05:14:46,923 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2023-11-19 05:14:46,923 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 416) no Hoare annotation was computed. [2023-11-19 05:14:46,924 INFO L899 garLoopResultBuilder]: For program point L466-2(lines 465 481) no Hoare annotation was computed. [2023-11-19 05:14:46,925 INFO L895 garLoopResultBuilder]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ ~s1p_old~0 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0 (<= (+ ~s2p_old~0 1) 0)))) [2023-11-19 05:14:46,925 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 340) no Hoare annotation was computed. [2023-11-19 05:14:46,925 INFO L899 garLoopResultBuilder]: For program point L367-1(line 367) no Hoare annotation was computed. [2023-11-19 05:14:46,927 INFO L895 garLoopResultBuilder]: At program point L582-2(lines 582 608) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ ~s1p_old~0 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0 (<= (+ ~s2p_old~0 1) 0)))) [2023-11-19 05:14:46,928 INFO L895 garLoopResultBuilder]: At program point L450-2(lines 447 454) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2023-11-19 05:14:46,928 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2023-11-19 05:14:46,928 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 469) no Hoare annotation was computed. [2023-11-19 05:14:46,928 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2023-11-19 05:14:46,928 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 306) no Hoare annotation was computed. [2023-11-19 05:14:46,928 INFO L899 garLoopResultBuilder]: For program point $Ultimate##84(lines 408 416) no Hoare annotation was computed. [2023-11-19 05:14:46,928 INFO L899 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2023-11-19 05:14:46,928 INFO L895 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ ~s1p_old~0 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0 (<= (+ ~s2p_old~0 1) 0)))) [2023-11-19 05:14:46,928 INFO L899 garLoopResultBuilder]: For program point L386-1(line 386) no Hoare annotation was computed. [2023-11-19 05:14:46,929 INFO L899 garLoopResultBuilder]: For program point L502(line 502) no Hoare annotation was computed. [2023-11-19 05:14:46,929 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 536) no Hoare annotation was computed. [2023-11-19 05:14:46,929 INFO L899 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2023-11-19 05:14:46,929 INFO L899 garLoopResultBuilder]: For program point L519-1(lines 519 536) no Hoare annotation was computed. [2023-11-19 05:14:46,929 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 517) no Hoare annotation was computed. [2023-11-19 05:14:46,929 INFO L895 garLoopResultBuilder]: At program point L503-1(lines 503 517) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2023-11-19 05:14:46,929 INFO L895 garLoopResultBuilder]: At program point L520(line 520) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2023-11-19 05:14:46,930 INFO L899 garLoopResultBuilder]: For program point $Ultimate##63(lines 358 370) no Hoare annotation was computed. [2023-11-19 05:14:46,930 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 501) no Hoare annotation was computed. [2023-11-19 05:14:46,930 INFO L899 garLoopResultBuilder]: For program point L520-1(line 520) no Hoare annotation was computed. [2023-11-19 05:14:46,930 INFO L895 garLoopResultBuilder]: At program point L487-1(lines 487 501) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2023-11-19 05:14:46,930 INFO L899 garLoopResultBuilder]: For program point $Ultimate##69(lines 366 370) no Hoare annotation was computed. [2023-11-19 05:14:46,930 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 05:14:46,930 INFO L895 garLoopResultBuilder]: At program point L504(line 504) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2023-11-19 05:14:46,930 INFO L899 garLoopResultBuilder]: For program point L504-1(line 504) no Hoare annotation was computed. [2023-11-19 05:14:46,931 INFO L899 garLoopResultBuilder]: For program point L471-1(lines 465 481) no Hoare annotation was computed. [2023-11-19 05:14:46,931 INFO L899 garLoopResultBuilder]: For program point L521(lines 521 535) no Hoare annotation was computed. [2023-11-19 05:14:46,931 INFO L895 garLoopResultBuilder]: At program point L488(line 488) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2023-11-19 05:14:46,931 INFO L895 garLoopResultBuilder]: At program point L455(line 455) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2023-11-19 05:14:46,931 INFO L899 garLoopResultBuilder]: For program point L488-1(line 488) no Hoare annotation was computed. [2023-11-19 05:14:46,931 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 313) no Hoare annotation was computed. [2023-11-19 05:14:46,931 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 516) no Hoare annotation was computed. [2023-11-19 05:14:46,932 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2023-11-19 05:14:46,932 INFO L899 garLoopResultBuilder]: For program point $Ultimate##49(lines 309 313) no Hoare annotation was computed. [2023-11-19 05:14:46,932 INFO L895 garLoopResultBuilder]: At program point L522(line 522) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2023-11-19 05:14:46,932 INFO L899 garLoopResultBuilder]: For program point $Ultimate##43(lines 301 313) no Hoare annotation was computed. [2023-11-19 05:14:46,932 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 500) no Hoare annotation was computed. [2023-11-19 05:14:46,932 INFO L899 garLoopResultBuilder]: For program point L522-1(line 522) no Hoare annotation was computed. [2023-11-19 05:14:46,932 INFO L899 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2023-11-19 05:14:46,933 INFO L895 garLoopResultBuilder]: At program point L605(line 605) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2023-11-19 05:14:46,933 INFO L899 garLoopResultBuilder]: For program point L605-1(line 605) no Hoare annotation was computed. [2023-11-19 05:14:46,933 INFO L895 garLoopResultBuilder]: At program point L506(line 506) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2023-11-19 05:14:46,933 INFO L899 garLoopResultBuilder]: For program point L506-1(line 506) no Hoare annotation was computed. [2023-11-19 05:14:46,933 INFO L895 garLoopResultBuilder]: At program point L523(line 523) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2023-11-19 05:14:46,933 INFO L895 garLoopResultBuilder]: At program point L490(line 490) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2023-11-19 05:14:46,933 INFO L899 garLoopResultBuilder]: For program point L523-1(line 523) no Hoare annotation was computed. [2023-11-19 05:14:46,934 INFO L899 garLoopResultBuilder]: For program point L457(lines 457 485) no Hoare annotation was computed. [2023-11-19 05:14:46,934 INFO L899 garLoopResultBuilder]: For program point L490-1(line 490) no Hoare annotation was computed. [2023-11-19 05:14:46,934 INFO L895 garLoopResultBuilder]: At program point L457-1(lines 457 485) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2023-11-19 05:14:46,934 INFO L899 garLoopResultBuilder]: For program point Side2_activestandby_task_each_pals_period_returnLabel#1(lines 321 377) no Hoare annotation was computed. [2023-11-19 05:14:46,934 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 606) no Hoare annotation was computed. [2023-11-19 05:14:46,934 INFO L899 garLoopResultBuilder]: For program point L606(line 606) no Hoare annotation was computed. [2023-11-19 05:14:46,934 INFO L899 garLoopResultBuilder]: For program point L606-1(line 606) no Hoare annotation was computed. [2023-11-19 05:14:46,934 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 509) no Hoare annotation was computed. [2023-11-19 05:14:46,935 INFO L899 garLoopResultBuilder]: For program point L408(lines 394 416) no Hoare annotation was computed. [2023-11-19 05:14:46,935 INFO L899 garLoopResultBuilder]: For program point L309-1(lines 290 313) no Hoare annotation was computed. [2023-11-19 05:14:46,935 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 534) no Hoare annotation was computed. [2023-11-19 05:14:46,935 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 493) no Hoare annotation was computed. [2023-11-19 05:14:46,935 INFO L895 garLoopResultBuilder]: At program point L458(line 458) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2023-11-19 05:14:46,935 INFO L899 garLoopResultBuilder]: For program point L458-1(line 458) no Hoare annotation was computed. [2023-11-19 05:14:46,935 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 363) no Hoare annotation was computed. [2023-11-19 05:14:46,936 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 313) no Hoare annotation was computed. [2023-11-19 05:14:46,936 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 606) no Hoare annotation was computed. [2023-11-19 05:14:46,936 INFO L895 garLoopResultBuilder]: At program point L310(line 310) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ ~s1p_old~0 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0 (<= (+ ~s2p_old~0 1) 0)))) [2023-11-19 05:14:46,936 INFO L899 garLoopResultBuilder]: For program point L277(lines 277 283) no Hoare annotation was computed. [2023-11-19 05:14:46,936 INFO L899 garLoopResultBuilder]: For program point L310-1(line 310) no Hoare annotation was computed. [2023-11-19 05:14:46,936 INFO L895 garLoopResultBuilder]: At program point L525(line 525) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2023-11-19 05:14:46,936 INFO L899 garLoopResultBuilder]: For program point L525-1(line 525) no Hoare annotation was computed. [2023-11-19 05:14:46,936 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 484) no Hoare annotation was computed. [2023-11-19 05:14:46,937 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 05:14:46,937 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 298) no Hoare annotation was computed. [2023-11-19 05:14:46,937 INFO L895 garLoopResultBuilder]: At program point L526(line 526) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2023-11-19 05:14:46,937 INFO L899 garLoopResultBuilder]: For program point L526-1(line 526) no Hoare annotation was computed. [2023-11-19 05:14:46,937 INFO L895 garLoopResultBuilder]: At program point L460(line 460) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2023-11-19 05:14:46,937 INFO L899 garLoopResultBuilder]: For program point L460-1(line 460) no Hoare annotation was computed. [2023-11-19 05:14:46,937 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 416) no Hoare annotation was computed. [2023-11-19 05:14:46,938 INFO L895 garLoopResultBuilder]: At program point L510(line 510) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2023-11-19 05:14:46,938 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 479) no Hoare annotation was computed. [2023-11-19 05:14:46,938 INFO L899 garLoopResultBuilder]: For program point L510-1(line 510) no Hoare annotation was computed. [2023-11-19 05:14:46,938 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 533) no Hoare annotation was computed. [2023-11-19 05:14:46,938 INFO L895 garLoopResultBuilder]: At program point L494(line 494) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2023-11-19 05:14:46,938 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 483) no Hoare annotation was computed. [2023-11-19 05:14:46,938 INFO L899 garLoopResultBuilder]: For program point L494-1(line 494) no Hoare annotation was computed. [2023-11-19 05:14:46,938 INFO L899 garLoopResultBuilder]: For program point L511(lines 511 515) no Hoare annotation was computed. [2023-11-19 05:14:46,938 INFO L895 garLoopResultBuilder]: At program point L528(line 528) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2023-11-19 05:14:46,939 INFO L899 garLoopResultBuilder]: For program point L495(lines 495 499) no Hoare annotation was computed. [2023-11-19 05:14:46,939 INFO L899 garLoopResultBuilder]: For program point L528-1(line 528) no Hoare annotation was computed. [2023-11-19 05:14:46,939 INFO L895 garLoopResultBuilder]: At program point L462(line 462) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2023-11-19 05:14:46,939 INFO L899 garLoopResultBuilder]: For program point L462-1(line 462) no Hoare annotation was computed. [2023-11-19 05:14:46,939 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 514) no Hoare annotation was computed. [2023-11-19 05:14:46,939 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 370) no Hoare annotation was computed. [2023-11-19 05:14:46,939 INFO L895 garLoopResultBuilder]: At program point L529(line 529) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2023-11-19 05:14:46,939 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 498) no Hoare annotation was computed. [2023-11-19 05:14:46,940 INFO L899 garLoopResultBuilder]: For program point L529-1(line 529) no Hoare annotation was computed. [2023-11-19 05:14:46,940 INFO L899 garLoopResultBuilder]: For program point L463(lines 463 482) no Hoare annotation was computed. [2023-11-19 05:14:46,940 INFO L899 garLoopResultBuilder]: For program point check_returnLabel#1(lines 421 539) no Hoare annotation was computed. [2023-11-19 05:14:46,940 INFO L899 garLoopResultBuilder]: For program point L397(lines 397 416) no Hoare annotation was computed. [2023-11-19 05:14:46,940 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 532) no Hoare annotation was computed. [2023-11-19 05:14:46,940 INFO L895 garLoopResultBuilder]: At program point L464(line 464) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2023-11-19 05:14:46,940 INFO L899 garLoopResultBuilder]: For program point L464-1(line 464) no Hoare annotation was computed. [2023-11-19 05:14:46,940 INFO L899 garLoopResultBuilder]: For program point Side1_activestandby_task_each_pals_period_returnLabel#1(lines 264 320) no Hoare annotation was computed. [2023-11-19 05:14:46,940 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 57 59) the Hoare annotation is: true [2023-11-19 05:14:46,941 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 57 59) no Hoare annotation was computed. [2023-11-19 05:14:46,941 INFO L902 garLoopResultBuilder]: At program point L157(line 157) the Hoare annotation is: true [2023-11-19 05:14:46,941 INFO L899 garLoopResultBuilder]: For program point L157-1(line 157) no Hoare annotation was computed. [2023-11-19 05:14:46,941 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 159) no Hoare annotation was computed. [2023-11-19 05:14:46,941 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 159) no Hoare annotation was computed. [2023-11-19 05:14:46,941 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 159) no Hoare annotation was computed. [2023-11-19 05:14:46,941 INFO L899 garLoopResultBuilder]: For program point read_active_side_historyEXIT(lines 143 161) no Hoare annotation was computed. [2023-11-19 05:14:46,941 INFO L899 garLoopResultBuilder]: For program point read_active_side_historyFINAL(lines 143 161) no Hoare annotation was computed. [2023-11-19 05:14:46,941 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 143 161) the Hoare annotation is: true [2023-11-19 05:14:46,945 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-19 05:14:46,947 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:14:46,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:14:46 BoogieIcfgContainer [2023-11-19 05:14:46,959 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:14:46,959 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:14:46,959 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:14:46,960 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:14:46,960 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:41" (3/4) ... [2023-11-19 05:14:46,962 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 05:14:46,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_manual_selection_history [2023-11-19 05:14:46,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flip_the_side [2023-11-19 05:14:46,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side2_failed_history [2023-11-19 05:14:46,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert [2023-11-19 05:14:46,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side1_failed_history [2023-11-19 05:14:46,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-19 05:14:46,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_active_side_history [2023-11-19 05:14:46,979 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2023-11-19 05:14:46,981 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-19 05:14:46,982 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 05:14:46,984 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 05:14:47,136 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 05:14:47,137 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 05:14:47,137 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:14:47,138 INFO L158 Benchmark]: Toolchain (without parser) took 7561.99ms. Allocated memory was 151.0MB in the beginning and 232.8MB in the end (delta: 81.8MB). Free memory was 109.5MB in the beginning and 73.2MB in the end (delta: 36.3MB). Peak memory consumption was 120.2MB. Max. memory is 16.1GB. [2023-11-19 05:14:47,138 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 151.0MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:14:47,138 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.66ms. Allocated memory is still 151.0MB. Free memory was 109.0MB in the beginning and 91.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:14:47,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.23ms. Allocated memory is still 151.0MB. Free memory was 91.2MB in the beginning and 87.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:14:47,139 INFO L158 Benchmark]: Boogie Preprocessor took 69.90ms. Allocated memory is still 151.0MB. Free memory was 87.5MB in the beginning and 84.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:14:47,139 INFO L158 Benchmark]: RCFGBuilder took 1310.74ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 84.9MB in the beginning and 118.6MB in the end (delta: -33.8MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2023-11-19 05:14:47,140 INFO L158 Benchmark]: TraceAbstraction took 5516.70ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 117.6MB in the beginning and 85.8MB in the end (delta: 31.8MB). Peak memory consumption was 70.6MB. Max. memory is 16.1GB. [2023-11-19 05:14:47,140 INFO L158 Benchmark]: Witness Printer took 177.70ms. Allocated memory is still 232.8MB. Free memory was 85.8MB in the beginning and 73.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 05:14:47,142 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 151.0MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.66ms. Allocated memory is still 151.0MB. Free memory was 109.0MB in the beginning and 91.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.23ms. Allocated memory is still 151.0MB. Free memory was 91.2MB in the beginning and 87.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.90ms. Allocated memory is still 151.0MB. Free memory was 87.5MB in the beginning and 84.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1310.74ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 84.9MB in the beginning and 118.6MB in the end (delta: -33.8MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5516.70ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 117.6MB in the beginning and 85.8MB in the end (delta: 31.8MB). Peak memory consumption was 70.6MB. Max. memory is 16.1GB. * Witness Printer took 177.70ms. Allocated memory is still 232.8MB. Free memory was 85.8MB in the beginning and 73.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 150 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 5, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1170 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1092 mSDsluCounter, 3271 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2070 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 338 IncrementalHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 1201 mSDtfsCounter, 338 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 352 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=266occurred in iteration=2, InterpolantAutomatonStates: 24, 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, 5 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 322 PreInvPairs, 376 NumberOfFragments, 654 HoareAnnotationTreeSize, 322 FomulaSimplifications, 162 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 39 FomulaSimplificationsInter, 242 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 809 NumberOfCodeBlocks, 809 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 801 ConstructedInterpolants, 0 QuantifiedInterpolants, 1417 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1726 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 441/497 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((1 <= i2) && ((nomsg + 1) <= 0)) || (((((s1p_old + 1) <= 0) && (i2 == 0)) && ((nomsg + 1) <= 0)) && ((s2p_old + 1) <= 0))) RESULT: Ultimate proved your program to be correct! [2023-11-19 05:14:47,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1758cfd-1ca9-4427-bfe4-780e400d68d5/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE