./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/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_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh --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 0.2.4-dev-0e0057c [2023-12-02 16:12:58,981 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:12:59,053 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-12-02 16:12:59,058 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:12:59,059 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:12:59,087 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:12:59,088 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:12:59,089 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:12:59,090 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:12:59,090 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:12:59,091 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:12:59,092 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:12:59,092 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:12:59,093 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 16:12:59,094 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:12:59,094 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:12:59,095 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 16:12:59,095 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 16:12:59,096 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:12:59,097 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 16:12:59,097 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 16:12:59,098 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 16:12:59,099 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:12:59,099 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:12:59,100 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:12:59,101 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 16:12:59,101 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:12:59,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:12:59,102 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:12:59,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:12:59,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:12:59,104 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 16:12:59,104 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 16:12:59,104 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:12:59,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:12:59,105 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:12:59,105 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:12:59,106 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:12:59,106 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:12:59,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:12:59,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:12:59,107 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:12:59,107 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:12:59,108 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 16:12:59,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 16:12:59,108 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:12:59,108 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:12:59,109 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:12:59,109 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:12:59,109 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_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cdd691469d2e12c2dd1871c48be4dd2db0b9d27541ac5dee5ff25a04db0d98eb [2023-12-02 16:12:59,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:12:59,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:12:59,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:12:59,379 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:12:59,380 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:12:59,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.BOUNDED-10.pals.c [2023-12-02 16:13:02,277 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:13:02,514 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:13:02,514 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.BOUNDED-10.pals.c [2023-12-02 16:13:02,527 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/data/7588a5e1c/017b379eb3d242a5bb769cb66cd1183b/FLAG6c64ec5c3 [2023-12-02 16:13:02,542 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/data/7588a5e1c/017b379eb3d242a5bb769cb66cd1183b [2023-12-02 16:13:02,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:13:02,546 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:13:02,548 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:13:02,548 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:13:02,554 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:13:02,555 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:13:02" (1/1) ... [2023-12-02 16:13:02,556 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ae9468b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:02, skipping insertion in model container [2023-12-02 16:13:02,556 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:13:02" (1/1) ... [2023-12-02 16:13:02,603 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:13:02,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:13:02,855 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:13:02,920 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:13:02,947 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:13:02,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:02 WrapperNode [2023-12-02 16:13:02,948 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:13:02,949 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:13:02,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:13:02,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:13:02,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:02" (1/1) ... [2023-12-02 16:13:02,971 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:02" (1/1) ... [2023-12-02 16:13:03,015 INFO L138 Inliner]: procedures = 32, calls = 49, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 508 [2023-12-02 16:13:03,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:13:03,017 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:13:03,017 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:13:03,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:13:03,027 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:02" (1/1) ... [2023-12-02 16:13:03,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:02" (1/1) ... [2023-12-02 16:13:03,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:02" (1/1) ... [2023-12-02 16:13:03,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:02" (1/1) ... [2023-12-02 16:13:03,048 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:02" (1/1) ... [2023-12-02 16:13:03,055 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:02" (1/1) ... [2023-12-02 16:13:03,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:02" (1/1) ... [2023-12-02 16:13:03,062 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:02" (1/1) ... [2023-12-02 16:13:03,068 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:13:03,069 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:13:03,069 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:13:03,069 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:13:03,070 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:02" (1/1) ... [2023-12-02 16:13:03,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:13:03,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:13:03,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:13:03,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:13:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2023-12-02 16:13:03,141 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2023-12-02 16:13:03,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:13:03,141 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2023-12-02 16:13:03,141 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2023-12-02 16:13:03,142 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-12-02 16:13:03,142 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-12-02 16:13:03,142 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2023-12-02 16:13:03,142 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2023-12-02 16:13:03,142 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 16:13:03,143 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 16:13:03,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 16:13:03,143 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2023-12-02 16:13:03,143 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2023-12-02 16:13:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:13:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:13:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2023-12-02 16:13:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2023-12-02 16:13:03,259 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:13:03,261 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:13:03,753 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:13:03,932 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:13:03,932 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 16:13:03,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:13:03 BoogieIcfgContainer [2023-12-02 16:13:03,934 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:13:03,937 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:13:03,937 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:13:03,940 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:13:03,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:13:02" (1/3) ... [2023-12-02 16:13:03,941 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13741313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:13:03, skipping insertion in model container [2023-12-02 16:13:03,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:13:02" (2/3) ... [2023-12-02 16:13:03,942 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13741313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:13:03, skipping insertion in model container [2023-12-02 16:13:03,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:13:03" (3/3) ... [2023-12-02 16:13:03,943 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.4_2.ufo.BOUNDED-10.pals.c [2023-12-02 16:13:03,962 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:13:03,962 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-02 16:13:04,011 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:13:04,016 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;@56ecb34b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:13:04,017 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 16:13:04,021 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) [2023-12-02 16:13:04,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 16:13:04,032 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:13:04,033 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] [2023-12-02 16:13:04,034 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 16:13:04,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:13:04,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1895278765, now seen corresponding path program 1 times [2023-12-02 16:13:04,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:13:04,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824777895] [2023-12-02 16:13:04,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:13:04,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:13:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:13:04,516 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 16:13:04,516 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:13:04,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824777895] [2023-12-02 16:13:04,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824777895] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:13:04,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:13:04,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 16:13:04,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016400193] [2023-12-02 16:13:04,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:13:04,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:13:04,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:13:04,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:13:04,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:13:04,560 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) [2023-12-02 16:13:04,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:13:04,703 INFO L93 Difference]: Finished difference Result 259 states and 409 transitions. [2023-12-02 16:13:04,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:13:04,707 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 [2023-12-02 16:13:04,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:13:04,720 INFO L225 Difference]: With dead ends: 259 [2023-12-02 16:13:04,721 INFO L226 Difference]: Without dead ends: 255 [2023-12-02 16:13:04,724 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 [2023-12-02 16:13:04,728 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 [2023-12-02 16:13:04,729 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] [2023-12-02 16:13:04,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2023-12-02 16:13:04,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2023-12-02 16:13:04,806 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) [2023-12-02 16:13:04,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 405 transitions. [2023-12-02 16:13:04,814 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 405 transitions. Word has length 55 [2023-12-02 16:13:04,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:13:04,816 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 405 transitions. [2023-12-02 16:13:04,816 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) [2023-12-02 16:13:04,817 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 405 transitions. [2023-12-02 16:13:04,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:13:04,826 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:13:04,826 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] [2023-12-02 16:13:04,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 16:13:04,827 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 16:13:04,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:13:04,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1529074199, now seen corresponding path program 1 times [2023-12-02 16:13:04,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:13:04,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307108794] [2023-12-02 16:13:04,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:13:04,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:13:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:13:05,318 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 16:13:05,318 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:13:05,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307108794] [2023-12-02 16:13:05,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307108794] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:13:05,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023191314] [2023-12-02 16:13:05,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:13:05,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:13:05,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:13:05,324 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:13:05,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 16:13:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:13:05,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 16:13:05,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:13:05,637 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-02 16:13:05,638 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:13:05,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2023191314] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:13:05,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 16:13:05,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-12-02 16:13:05,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739102548] [2023-12-02 16:13:05,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:13:05,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 16:13:05,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:13:05,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 16:13:05,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-12-02 16:13:05,642 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) [2023-12-02 16:13:05,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:13:05,833 INFO L93 Difference]: Finished difference Result 490 states and 769 transitions. [2023-12-02 16:13:05,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 16:13:05,833 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 [2023-12-02 16:13:05,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:13:05,837 INFO L225 Difference]: With dead ends: 490 [2023-12-02 16:13:05,837 INFO L226 Difference]: Without dead ends: 266 [2023-12-02 16:13:05,840 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 [2023-12-02 16:13:05,842 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 [2023-12-02 16:13:05,843 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] [2023-12-02 16:13:05,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2023-12-02 16:13:05,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2023-12-02 16:13:05,890 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) [2023-12-02 16:13:05,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 414 transitions. [2023-12-02 16:13:05,894 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 414 transitions. Word has length 106 [2023-12-02 16:13:05,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:13:05,895 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 414 transitions. [2023-12-02 16:13:05,895 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) [2023-12-02 16:13:05,895 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 414 transitions. [2023-12-02 16:13:05,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-02 16:13:05,901 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:13:05,902 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] [2023-12-02 16:13:05,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 16:13:06,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:13:06,103 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 16:13:06,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:13:06,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1453582833, now seen corresponding path program 1 times [2023-12-02 16:13:06,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:13:06,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613395584] [2023-12-02 16:13:06,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:13:06,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:13:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:13:06,317 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-02 16:13:06,317 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:13:06,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613395584] [2023-12-02 16:13:06,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613395584] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:13:06,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793122193] [2023-12-02 16:13:06,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:13:06,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:13:06,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:13:06,322 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:13:06,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 16:13:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:13:06,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 16:13:06,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:13:06,679 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-02 16:13:06,681 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:13:06,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793122193] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:13:06,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 16:13:06,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2023-12-02 16:13:06,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671993915] [2023-12-02 16:13:06,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:13:06,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 16:13:06,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:13:06,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 16:13:06,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-02 16:13:06,686 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) [2023-12-02 16:13:06,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:13:06,910 INFO L93 Difference]: Finished difference Result 489 states and 765 transitions. [2023-12-02 16:13:06,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 16:13:06,911 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 [2023-12-02 16:13:06,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:13:06,915 INFO L225 Difference]: With dead ends: 489 [2023-12-02 16:13:06,915 INFO L226 Difference]: Without dead ends: 267 [2023-12-02 16:13:06,917 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 [2023-12-02 16:13:06,919 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, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 16:13:06,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 575 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 16:13:06,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2023-12-02 16:13:06,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 266. [2023-12-02 16:13:06,951 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) [2023-12-02 16:13:06,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 413 transitions. [2023-12-02 16:13:06,955 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 413 transitions. Word has length 107 [2023-12-02 16:13:06,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:13:06,956 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 413 transitions. [2023-12-02 16:13:06,956 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) [2023-12-02 16:13:06,957 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 413 transitions. [2023-12-02 16:13:06,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-02 16:13:06,961 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:13:06,961 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] [2023-12-02 16:13:06,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 16:13:07,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:13:07,162 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 16:13:07,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:13:07,162 INFO L85 PathProgramCache]: Analyzing trace with hash -2056646446, now seen corresponding path program 1 times [2023-12-02 16:13:07,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:13:07,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233458623] [2023-12-02 16:13:07,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:13:07,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:13:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:13:07,431 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 16:13:07,431 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:13:07,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233458623] [2023-12-02 16:13:07,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233458623] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:13:07,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991083973] [2023-12-02 16:13:07,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:13:07,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:13:07,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:13:07,434 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:13:07,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 16:13:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:13:07,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 16:13:07,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:13:07,736 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 16:13:07,736 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:13:07,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991083973] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:13:07,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 16:13:07,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2023-12-02 16:13:07,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628006656] [2023-12-02 16:13:07,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:13:07,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 16:13:07,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:13:07,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 16:13:07,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-12-02 16:13:07,739 INFO L87 Difference]: Start difference. First operand 266 states and 413 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 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) [2023-12-02 16:13:07,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:13:07,797 INFO L93 Difference]: Finished difference Result 266 states and 413 transitions. [2023-12-02 16:13:07,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:13:07,798 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 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 109 [2023-12-02 16:13:07,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:13:07,801 INFO L225 Difference]: With dead ends: 266 [2023-12-02 16:13:07,801 INFO L226 Difference]: Without dead ends: 265 [2023-12-02 16:13:07,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-12-02 16:13:07,803 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 110 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 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 [2023-12-02 16:13:07,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 503 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 16:13:07,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2023-12-02 16:13:07,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2023-12-02 16:13:07,826 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) [2023-12-02 16:13:07,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 412 transitions. [2023-12-02 16:13:07,830 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 412 transitions. Word has length 109 [2023-12-02 16:13:07,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:13:07,831 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 412 transitions. [2023-12-02 16:13:07,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 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) [2023-12-02 16:13:07,831 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 412 transitions. [2023-12-02 16:13:07,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-02 16:13:07,834 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:13:07,834 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] [2023-12-02 16:13:07,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 16:13:08,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:13:08,035 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 16:13:08,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:13:08,036 INFO L85 PathProgramCache]: Analyzing trace with hash 668470138, now seen corresponding path program 1 times [2023-12-02 16:13:08,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:13:08,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046594853] [2023-12-02 16:13:08,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:13:08,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:13:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:13:08,180 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-02 16:13:08,180 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:13:08,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046594853] [2023-12-02 16:13:08,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046594853] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:13:08,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:13:08,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 16:13:08,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641557932] [2023-12-02 16:13:08,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:13:08,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:13:08,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:13:08,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:13:08,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:13:08,184 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) [2023-12-02 16:13:08,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:13:08,232 INFO L93 Difference]: Finished difference Result 265 states and 412 transitions. [2023-12-02 16:13:08,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:13:08,233 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 [2023-12-02 16:13:08,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:13:08,234 INFO L225 Difference]: With dead ends: 265 [2023-12-02 16:13:08,234 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 16:13:08,235 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 [2023-12-02 16:13:08,236 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 [2023-12-02 16:13:08,237 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] [2023-12-02 16:13:08,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 16:13:08,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 16:13:08,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:13:08,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 16:13:08,238 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2023-12-02 16:13:08,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:13:08,238 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 16:13:08,239 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) [2023-12-02 16:13:08,239 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 16:13:08,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 16:13:08,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-12-02 16:13:08,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-12-02 16:13:08,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 16:13:08,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 16:13:08,734 INFO L902 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: true [2023-12-02 16:13:08,734 INFO L899 garLoopResultBuilder]: For program point L187-1(line 187) no Hoare annotation was computed. [2023-12-02 16:13:08,734 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 189) no Hoare annotation was computed. [2023-12-02 16:13:08,734 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 189) no Hoare annotation was computed. [2023-12-02 16:13:08,735 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 189) no Hoare annotation was computed. [2023-12-02 16:13:08,735 INFO L899 garLoopResultBuilder]: For program point read_manual_selection_historyEXIT(lines 173 191) no Hoare annotation was computed. [2023-12-02 16:13:08,735 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 173 191) the Hoare annotation is: true [2023-12-02 16:13:08,735 INFO L899 garLoopResultBuilder]: For program point read_manual_selection_historyFINAL(lines 173 191) no Hoare annotation was computed. [2023-12-02 16:13:08,735 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 236 248) the Hoare annotation is: true [2023-12-02 16:13:08,735 INFO L899 garLoopResultBuilder]: For program point flip_the_sideEXIT(lines 236 248) no Hoare annotation was computed. [2023-12-02 16:13:08,736 INFO L899 garLoopResultBuilder]: For program point read_side2_failed_historyEXIT(lines 113 131) no Hoare annotation was computed. [2023-12-02 16:13:08,736 INFO L902 garLoopResultBuilder]: At program point L127(line 127) the Hoare annotation is: true [2023-12-02 16:13:08,736 INFO L899 garLoopResultBuilder]: For program point L127-1(line 127) no Hoare annotation was computed. [2023-12-02 16:13:08,736 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 129) no Hoare annotation was computed. [2023-12-02 16:13:08,736 INFO L899 garLoopResultBuilder]: For program point read_side2_failed_historyFINAL(lines 113 131) no Hoare annotation was computed. [2023-12-02 16:13:08,736 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 129) no Hoare annotation was computed. [2023-12-02 16:13:08,737 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 129) no Hoare annotation was computed. [2023-12-02 16:13:08,737 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 113 131) the Hoare annotation is: true [2023-12-02 16:13:08,737 INFO L899 garLoopResultBuilder]: For program point assertEXIT(lines 612 623) no Hoare annotation was computed. [2023-12-02 16:13:08,737 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 612 623) the Hoare annotation is: true [2023-12-02 16:13:08,737 INFO L902 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: true [2023-12-02 16:13:08,738 INFO L899 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2023-12-02 16:13:08,738 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 99) no Hoare annotation was computed. [2023-12-02 16:13:08,738 INFO L899 garLoopResultBuilder]: For program point read_side1_failed_historyFINAL(lines 83 101) no Hoare annotation was computed. [2023-12-02 16:13:08,738 INFO L899 garLoopResultBuilder]: For program point L91(lines 91 99) no Hoare annotation was computed. [2023-12-02 16:13:08,738 INFO L899 garLoopResultBuilder]: For program point read_side1_failed_historyEXIT(lines 83 101) no Hoare annotation was computed. [2023-12-02 16:13:08,739 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 99) no Hoare annotation was computed. [2023-12-02 16:13:08,739 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 83 101) the Hoare annotation is: true [2023-12-02 16:13:08,739 INFO L895 garLoopResultBuilder]: At program point L564(line 564) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 16:13:08,740 INFO L899 garLoopResultBuilder]: For program point L564-1(line 564) no Hoare annotation was computed. [2023-12-02 16:13:08,740 INFO L899 garLoopResultBuilder]: For program point L465(lines 465 481) no Hoare annotation was computed. [2023-12-02 16:13:08,740 INFO L899 garLoopResultBuilder]: For program point L366-1(lines 347 370) no Hoare annotation was computed. [2023-12-02 16:13:08,740 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 370) no Hoare annotation was computed. [2023-12-02 16:13:08,740 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2023-12-02 16:13:08,741 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 416) no Hoare annotation was computed. [2023-12-02 16:13:08,741 INFO L899 garLoopResultBuilder]: For program point L466-2(lines 465 481) no Hoare annotation was computed. [2023-12-02 16:13:08,741 INFO L895 garLoopResultBuilder]: At program point L367(line 367) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 16:13:08,741 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 340) no Hoare annotation was computed. [2023-12-02 16:13:08,741 INFO L899 garLoopResultBuilder]: For program point L367-1(line 367) no Hoare annotation was computed. [2023-12-02 16:13:08,742 INFO L895 garLoopResultBuilder]: At program point L582-2(lines 582 608) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 16:13:08,742 INFO L895 garLoopResultBuilder]: At program point L450-2(lines 447 454) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 16:13:08,742 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2023-12-02 16:13:08,742 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 469) no Hoare annotation was computed. [2023-12-02 16:13:08,743 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2023-12-02 16:13:08,743 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 306) no Hoare annotation was computed. [2023-12-02 16:13:08,743 INFO L899 garLoopResultBuilder]: For program point $Ultimate##84(lines 408 416) no Hoare annotation was computed. [2023-12-02 16:13:08,743 INFO L899 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2023-12-02 16:13:08,743 INFO L895 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 16:13:08,744 INFO L899 garLoopResultBuilder]: For program point L386-1(line 386) no Hoare annotation was computed. [2023-12-02 16:13:08,744 INFO L899 garLoopResultBuilder]: For program point L502(line 502) no Hoare annotation was computed. [2023-12-02 16:13:08,744 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 536) no Hoare annotation was computed. [2023-12-02 16:13:08,744 INFO L899 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2023-12-02 16:13:08,745 INFO L899 garLoopResultBuilder]: For program point L519-1(lines 519 536) no Hoare annotation was computed. [2023-12-02 16:13:08,745 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 517) no Hoare annotation was computed. [2023-12-02 16:13:08,745 INFO L895 garLoopResultBuilder]: At program point L503-1(lines 503 517) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 16:13:08,745 INFO L895 garLoopResultBuilder]: At program point L520(line 520) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 16:13:08,746 INFO L899 garLoopResultBuilder]: For program point $Ultimate##63(lines 358 370) no Hoare annotation was computed. [2023-12-02 16:13:08,746 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 501) no Hoare annotation was computed. [2023-12-02 16:13:08,746 INFO L899 garLoopResultBuilder]: For program point L520-1(line 520) no Hoare annotation was computed. [2023-12-02 16:13:08,746 INFO L895 garLoopResultBuilder]: At program point L487-1(lines 487 501) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 16:13:08,746 INFO L899 garLoopResultBuilder]: For program point $Ultimate##69(lines 366 370) no Hoare annotation was computed. [2023-12-02 16:13:08,747 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 16:13:08,747 INFO L895 garLoopResultBuilder]: At program point L504(line 504) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 16:13:08,747 INFO L899 garLoopResultBuilder]: For program point L504-1(line 504) no Hoare annotation was computed. [2023-12-02 16:13:08,747 INFO L899 garLoopResultBuilder]: For program point L471-1(lines 465 481) no Hoare annotation was computed. [2023-12-02 16:13:08,747 INFO L899 garLoopResultBuilder]: For program point L521(lines 521 535) no Hoare annotation was computed. [2023-12-02 16:13:08,748 INFO L895 garLoopResultBuilder]: At program point L488(line 488) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 16:13:08,748 INFO L895 garLoopResultBuilder]: At program point L455(line 455) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 16:13:08,748 INFO L899 garLoopResultBuilder]: For program point L488-1(line 488) no Hoare annotation was computed. [2023-12-02 16:13:08,748 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 313) no Hoare annotation was computed. [2023-12-02 16:13:08,749 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 516) no Hoare annotation was computed. [2023-12-02 16:13:08,749 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2023-12-02 16:13:08,749 INFO L899 garLoopResultBuilder]: For program point $Ultimate##49(lines 309 313) no Hoare annotation was computed. [2023-12-02 16:13:08,749 INFO L895 garLoopResultBuilder]: At program point L522(line 522) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 16:13:08,749 INFO L899 garLoopResultBuilder]: For program point $Ultimate##43(lines 301 313) no Hoare annotation was computed. [2023-12-02 16:13:08,750 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 500) no Hoare annotation was computed. [2023-12-02 16:13:08,750 INFO L899 garLoopResultBuilder]: For program point L522-1(line 522) no Hoare annotation was computed. [2023-12-02 16:13:08,750 INFO L899 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2023-12-02 16:13:08,750 INFO L895 garLoopResultBuilder]: At program point L605(line 605) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 16:13:08,750 INFO L899 garLoopResultBuilder]: For program point L605-1(line 605) no Hoare annotation was computed. [2023-12-02 16:13:08,751 INFO L895 garLoopResultBuilder]: At program point L506(line 506) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 16:13:08,751 INFO L899 garLoopResultBuilder]: For program point L506-1(line 506) no Hoare annotation was computed. [2023-12-02 16:13:08,751 INFO L895 garLoopResultBuilder]: At program point L523(line 523) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 16:13:08,751 INFO L895 garLoopResultBuilder]: At program point L490(line 490) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 16:13:08,752 INFO L899 garLoopResultBuilder]: For program point L523-1(line 523) no Hoare annotation was computed. [2023-12-02 16:13:08,752 INFO L899 garLoopResultBuilder]: For program point L457(lines 457 485) no Hoare annotation was computed. [2023-12-02 16:13:08,752 INFO L899 garLoopResultBuilder]: For program point L490-1(line 490) no Hoare annotation was computed. [2023-12-02 16:13:08,752 INFO L895 garLoopResultBuilder]: At program point L457-1(lines 457 485) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 16:13:08,753 INFO L899 garLoopResultBuilder]: For program point Side2_activestandby_task_each_pals_period_returnLabel#1(lines 321 377) no Hoare annotation was computed. [2023-12-02 16:13:08,753 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 606) no Hoare annotation was computed. [2023-12-02 16:13:08,753 INFO L899 garLoopResultBuilder]: For program point L606(line 606) no Hoare annotation was computed. [2023-12-02 16:13:08,753 INFO L899 garLoopResultBuilder]: For program point L606-1(line 606) no Hoare annotation was computed. [2023-12-02 16:13:08,753 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 509) no Hoare annotation was computed. [2023-12-02 16:13:08,754 INFO L899 garLoopResultBuilder]: For program point L408(lines 394 416) no Hoare annotation was computed. [2023-12-02 16:13:08,754 INFO L899 garLoopResultBuilder]: For program point L309-1(lines 290 313) no Hoare annotation was computed. [2023-12-02 16:13:08,754 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 534) no Hoare annotation was computed. [2023-12-02 16:13:08,754 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 493) no Hoare annotation was computed. [2023-12-02 16:13:08,754 INFO L895 garLoopResultBuilder]: At program point L458(line 458) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 16:13:08,755 INFO L899 garLoopResultBuilder]: For program point L458-1(line 458) no Hoare annotation was computed. [2023-12-02 16:13:08,755 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 363) no Hoare annotation was computed. [2023-12-02 16:13:08,755 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 313) no Hoare annotation was computed. [2023-12-02 16:13:08,755 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 606) no Hoare annotation was computed. [2023-12-02 16:13:08,756 INFO L895 garLoopResultBuilder]: At program point L310(line 310) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 16:13:08,756 INFO L899 garLoopResultBuilder]: For program point L277(lines 277 283) no Hoare annotation was computed. [2023-12-02 16:13:08,756 INFO L899 garLoopResultBuilder]: For program point L310-1(line 310) no Hoare annotation was computed. [2023-12-02 16:13:08,756 INFO L895 garLoopResultBuilder]: At program point L525(line 525) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 16:13:08,756 INFO L899 garLoopResultBuilder]: For program point L525-1(line 525) no Hoare annotation was computed. [2023-12-02 16:13:08,757 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 484) no Hoare annotation was computed. [2023-12-02 16:13:08,757 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 16:13:08,757 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 298) no Hoare annotation was computed. [2023-12-02 16:13:08,757 INFO L895 garLoopResultBuilder]: At program point L526(line 526) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 16:13:08,757 INFO L899 garLoopResultBuilder]: For program point L526-1(line 526) no Hoare annotation was computed. [2023-12-02 16:13:08,758 INFO L895 garLoopResultBuilder]: At program point L460(line 460) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 16:13:08,758 INFO L899 garLoopResultBuilder]: For program point L460-1(line 460) no Hoare annotation was computed. [2023-12-02 16:13:08,758 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 416) no Hoare annotation was computed. [2023-12-02 16:13:08,758 INFO L895 garLoopResultBuilder]: At program point L510(line 510) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 16:13:08,759 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 479) no Hoare annotation was computed. [2023-12-02 16:13:08,759 INFO L899 garLoopResultBuilder]: For program point L510-1(line 510) no Hoare annotation was computed. [2023-12-02 16:13:08,759 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 533) no Hoare annotation was computed. [2023-12-02 16:13:08,759 INFO L895 garLoopResultBuilder]: At program point L494(line 494) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 16:13:08,759 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 483) no Hoare annotation was computed. [2023-12-02 16:13:08,760 INFO L899 garLoopResultBuilder]: For program point L494-1(line 494) no Hoare annotation was computed. [2023-12-02 16:13:08,760 INFO L899 garLoopResultBuilder]: For program point L511(lines 511 515) no Hoare annotation was computed. [2023-12-02 16:13:08,760 INFO L895 garLoopResultBuilder]: At program point L528(line 528) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 16:13:08,760 INFO L899 garLoopResultBuilder]: For program point L495(lines 495 499) no Hoare annotation was computed. [2023-12-02 16:13:08,760 INFO L899 garLoopResultBuilder]: For program point L528-1(line 528) no Hoare annotation was computed. [2023-12-02 16:13:08,761 INFO L895 garLoopResultBuilder]: At program point L462(line 462) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 16:13:08,761 INFO L899 garLoopResultBuilder]: For program point L462-1(line 462) no Hoare annotation was computed. [2023-12-02 16:13:08,761 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 514) no Hoare annotation was computed. [2023-12-02 16:13:08,761 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 370) no Hoare annotation was computed. [2023-12-02 16:13:08,761 INFO L895 garLoopResultBuilder]: At program point L529(line 529) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 16:13:08,762 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 498) no Hoare annotation was computed. [2023-12-02 16:13:08,762 INFO L899 garLoopResultBuilder]: For program point L529-1(line 529) no Hoare annotation was computed. [2023-12-02 16:13:08,762 INFO L899 garLoopResultBuilder]: For program point L463(lines 463 482) no Hoare annotation was computed. [2023-12-02 16:13:08,762 INFO L899 garLoopResultBuilder]: For program point check_returnLabel#1(lines 421 539) no Hoare annotation was computed. [2023-12-02 16:13:08,762 INFO L899 garLoopResultBuilder]: For program point L397(lines 397 416) no Hoare annotation was computed. [2023-12-02 16:13:08,763 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 532) no Hoare annotation was computed. [2023-12-02 16:13:08,763 INFO L895 garLoopResultBuilder]: At program point L464(line 464) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 16:13:08,763 INFO L899 garLoopResultBuilder]: For program point L464-1(line 464) no Hoare annotation was computed. [2023-12-02 16:13:08,763 INFO L899 garLoopResultBuilder]: For program point Side1_activestandby_task_each_pals_period_returnLabel#1(lines 264 320) no Hoare annotation was computed. [2023-12-02 16:13:08,763 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 57 59) the Hoare annotation is: true [2023-12-02 16:13:08,763 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 57 59) no Hoare annotation was computed. [2023-12-02 16:13:08,763 INFO L902 garLoopResultBuilder]: At program point L157(line 157) the Hoare annotation is: true [2023-12-02 16:13:08,763 INFO L899 garLoopResultBuilder]: For program point L157-1(line 157) no Hoare annotation was computed. [2023-12-02 16:13:08,763 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 159) no Hoare annotation was computed. [2023-12-02 16:13:08,764 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 159) no Hoare annotation was computed. [2023-12-02 16:13:08,764 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 159) no Hoare annotation was computed. [2023-12-02 16:13:08,764 INFO L899 garLoopResultBuilder]: For program point read_active_side_historyEXIT(lines 143 161) no Hoare annotation was computed. [2023-12-02 16:13:08,764 INFO L899 garLoopResultBuilder]: For program point read_active_side_historyFINAL(lines 143 161) no Hoare annotation was computed. [2023-12-02 16:13:08,764 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 143 161) the Hoare annotation is: true [2023-12-02 16:13:08,767 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-02 16:13:08,769 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 16:13:08,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:13:08 BoogieIcfgContainer [2023-12-02 16:13:08,781 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 16:13:08,782 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 16:13:08,782 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 16:13:08,782 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 16:13:08,783 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:13:03" (3/4) ... [2023-12-02 16:13:08,784 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 16:13:08,787 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_manual_selection_history [2023-12-02 16:13:08,787 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flip_the_side [2023-12-02 16:13:08,787 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side2_failed_history [2023-12-02 16:13:08,787 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert [2023-12-02 16:13:08,788 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side1_failed_history [2023-12-02 16:13:08,788 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 16:13:08,788 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_active_side_history [2023-12-02 16:13:08,805 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2023-12-02 16:13:08,807 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-12-02 16:13:08,808 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 16:13:08,810 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 16:13:08,969 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 16:13:08,969 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 16:13:08,970 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 16:13:08,970 INFO L158 Benchmark]: Toolchain (without parser) took 6423.98ms. Allocated memory was 115.3MB in the beginning and 167.8MB in the end (delta: 52.4MB). Free memory was 68.0MB in the beginning and 104.3MB in the end (delta: -36.3MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2023-12-02 16:13:08,971 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 115.3MB. Free memory was 78.2MB in the beginning and 78.1MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:13:08,972 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.61ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 68.0MB in the beginning and 107.8MB in the end (delta: -39.8MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2023-12-02 16:13:08,972 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.61ms. Allocated memory is still 138.4MB. Free memory was 107.8MB in the beginning and 110.5MB in the end (delta: -2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:13:08,972 INFO L158 Benchmark]: Boogie Preprocessor took 51.55ms. Allocated memory is still 138.4MB. Free memory was 110.5MB in the beginning and 107.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 16:13:08,973 INFO L158 Benchmark]: RCFGBuilder took 865.51ms. Allocated memory is still 138.4MB. Free memory was 107.6MB in the beginning and 102.9MB in the end (delta: 4.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-12-02 16:13:08,973 INFO L158 Benchmark]: TraceAbstraction took 4844.47ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 102.7MB in the beginning and 116.9MB in the end (delta: -14.1MB). Peak memory consumption was 96.2MB. Max. memory is 16.1GB. [2023-12-02 16:13:08,974 INFO L158 Benchmark]: Witness Printer took 187.77ms. Allocated memory is still 167.8MB. Free memory was 116.9MB in the beginning and 104.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 16:13:08,977 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 115.3MB. Free memory was 78.2MB in the beginning and 78.1MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.61ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 68.0MB in the beginning and 107.8MB in the end (delta: -39.8MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.61ms. Allocated memory is still 138.4MB. Free memory was 107.8MB in the beginning and 110.5MB in the end (delta: -2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.55ms. Allocated memory is still 138.4MB. Free memory was 110.5MB in the beginning and 107.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 865.51ms. Allocated memory is still 138.4MB. Free memory was 107.6MB in the beginning and 102.9MB in the end (delta: 4.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4844.47ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 102.7MB in the beginning and 116.9MB in the end (delta: -14.1MB). Peak memory consumption was 96.2MB. Max. memory is 16.1GB. * Witness Printer took 187.77ms. Allocated memory is still 167.8MB. Free memory was 116.9MB in the beginning and 104.3MB 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: 4.8s, OverallIterations: 5, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1048 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 989 mSDsluCounter, 2805 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1768 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 289 IncrementalHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 1037 mSDtfsCounter, 289 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 352 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=266occurred in iteration=2, InterpolantAutomatonStates: 22, 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, 400 HoareAnnotationTreeSize, 322 FomulaSimplifications, 216 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 39 FomulaSimplificationsInter, 552 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 809 NumberOfCodeBlocks, 809 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 801 ConstructedInterpolants, 0 QuantifiedInterpolants, 1413 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1726 ConjunctsInSsa, 12 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: ((0 <= (i2 + 2147483648)) && ((nomsg + 1) <= 0)) RESULT: Ultimate proved your program to be correct! [2023-12-02 16:13:08,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b2942-3500-4649-abe7-b5590b389b0b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE