./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b 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_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --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 2354c4d30c0335eb0a6c6e03cf8d087a440768412264986840e048ded8afea74 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:51:57,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:51:57,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:51:57,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:51:57,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:51:57,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:51:57,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:51:57,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:51:57,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:51:57,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:51:57,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:51:57,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:51:57,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:51:57,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:51:57,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:51:57,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:51:57,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:51:57,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:51:57,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:51:57,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:51:57,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:51:57,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:51:57,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:51:57,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:51:57,997 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:51:57,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:51:57,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:51:57,998 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:51:57,999 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:51:58,000 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:51:58,000 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:51:58,001 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:51:58,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:51:58,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:51:58,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:51:58,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:51:58,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:51:58,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:51:58,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:51:58,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:51:58,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:51:58,007 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 07:51:58,037 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:51:58,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:51:58,038 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:51:58,039 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:51:58,040 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:51:58,040 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:51:58,040 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:51:58,041 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:51:58,041 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:51:58,041 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:51:58,042 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:51:58,042 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:51:58,043 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:51:58,043 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:51:58,043 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:51:58,043 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:51:58,043 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:51:58,044 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:51:58,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:51:58,045 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:51:58,045 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:51:58,045 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:51:58,045 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:51:58,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:51:58,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:51:58,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:51:58,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:51:58,048 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 07:51:58,048 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:51:58,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:51:58,048 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:51:58,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:51:58,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:51:58,049 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:51:58,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:51:58,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:51:58,050 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:51:58,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:51:58,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:51:58,051 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:51:58,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:51:58,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:51:58,051 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:51:58,052 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2354c4d30c0335eb0a6c6e03cf8d087a440768412264986840e048ded8afea74 [2022-11-19 07:51:58,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:51:58,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:51:58,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:51:58,350 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:51:58,351 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:51:58,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2022-11-19 07:51:58,433 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/data/a5987161c/edb81c38cdf2442587af2d56f0ee6a8a/FLAG08e1f4614 [2022-11-19 07:51:58,942 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:51:58,943 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2022-11-19 07:51:58,953 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/data/a5987161c/edb81c38cdf2442587af2d56f0ee6a8a/FLAG08e1f4614 [2022-11-19 07:51:59,259 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/data/a5987161c/edb81c38cdf2442587af2d56f0ee6a8a [2022-11-19 07:51:59,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:51:59,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:51:59,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:51:59,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:51:59,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:51:59,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:51:59" (1/1) ... [2022-11-19 07:51:59,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62065e8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:59, skipping insertion in model container [2022-11-19 07:51:59,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:51:59" (1/1) ... [2022-11-19 07:51:59,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:51:59,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:51:59,624 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c[14700,14713] [2022-11-19 07:51:59,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:51:59,635 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:51:59,731 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c[14700,14713] [2022-11-19 07:51:59,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:51:59,749 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:51:59,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:59 WrapperNode [2022-11-19 07:51:59,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:51:59,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:51:59,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:51:59,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:51:59,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:59" (1/1) ... [2022-11-19 07:51:59,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:59" (1/1) ... [2022-11-19 07:51:59,816 INFO L138 Inliner]: procedures = 32, calls = 48, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 484 [2022-11-19 07:51:59,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:51:59,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:51:59,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:51:59,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:51:59,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:59" (1/1) ... [2022-11-19 07:51:59,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:59" (1/1) ... [2022-11-19 07:51:59,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:59" (1/1) ... [2022-11-19 07:51:59,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:59" (1/1) ... [2022-11-19 07:51:59,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:59" (1/1) ... [2022-11-19 07:51:59,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:59" (1/1) ... [2022-11-19 07:51:59,858 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:59" (1/1) ... [2022-11-19 07:51:59,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:59" (1/1) ... [2022-11-19 07:51:59,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:51:59,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:51:59,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:51:59,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:51:59,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:59" (1/1) ... [2022-11-19 07:51:59,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:51:59,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:51:59,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:51:59,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:51:59,943 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2022-11-19 07:51:59,943 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2022-11-19 07:51:59,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:51:59,944 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2022-11-19 07:51:59,944 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2022-11-19 07:51:59,944 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-11-19 07:51:59,944 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-11-19 07:51:59,944 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2022-11-19 07:51:59,944 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2022-11-19 07:51:59,944 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 07:51:59,945 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 07:51:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:51:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2022-11-19 07:51:59,945 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2022-11-19 07:51:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:51:59,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:51:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2022-11-19 07:51:59,945 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2022-11-19 07:52:00,095 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:52:00,097 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:52:00,685 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:52:00,881 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:52:00,881 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 07:52:00,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:52:00 BoogieIcfgContainer [2022-11-19 07:52:00,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:52:00,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:52:00,888 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:52:00,891 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:52:00,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:51:59" (1/3) ... [2022-11-19 07:52:00,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b558902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:52:00, skipping insertion in model container [2022-11-19 07:52:00,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:59" (2/3) ... [2022-11-19 07:52:00,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b558902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:52:00, skipping insertion in model container [2022-11-19 07:52:00,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:52:00" (3/3) ... [2022-11-19 07:52:00,895 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2022-11-19 07:52:00,917 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:52:00,917 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-19 07:52:00,980 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:52:00,987 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=LoopsAndPotentialCycles, 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;@3e5dbbc3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:52:00,987 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-19 07:52:00,992 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) [2022-11-19 07:52:01,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-19 07:52:01,005 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:52:01,006 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] [2022-11-19 07:52:01,006 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-19 07:52:01,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:52:01,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1491379421, now seen corresponding path program 1 times [2022-11-19 07:52:01,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:52:01,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423925985] [2022-11-19 07:52:01,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:52:01,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:52:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:52:01,666 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-19 07:52:01,666 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:52:01,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423925985] [2022-11-19 07:52:01,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423925985] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:52:01,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:52:01,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:52:01,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641367267] [2022-11-19 07:52:01,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:52:01,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:52:01,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:52:01,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:52:01,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:52:01,717 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) [2022-11-19 07:52:01,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:52:01,927 INFO L93 Difference]: Finished difference Result 259 states and 409 transitions. [2022-11-19 07:52:01,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:52:01,929 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 [2022-11-19 07:52:01,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:52:01,941 INFO L225 Difference]: With dead ends: 259 [2022-11-19 07:52:01,941 INFO L226 Difference]: Without dead ends: 255 [2022-11-19 07:52:01,944 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 [2022-11-19 07:52:01,947 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 107 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:52:01,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 703 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:52:01,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2022-11-19 07:52:02,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2022-11-19 07:52:02,014 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) [2022-11-19 07:52:02,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 405 transitions. [2022-11-19 07:52:02,020 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 405 transitions. Word has length 55 [2022-11-19 07:52:02,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:52:02,022 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 405 transitions. [2022-11-19 07:52:02,023 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) [2022-11-19 07:52:02,023 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 405 transitions. [2022-11-19 07:52:02,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-19 07:52:02,031 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:52:02,031 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] [2022-11-19 07:52:02,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:52:02,032 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-19 07:52:02,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:52:02,033 INFO L85 PathProgramCache]: Analyzing trace with hash -160747495, now seen corresponding path program 1 times [2022-11-19 07:52:02,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:52:02,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839232850] [2022-11-19 07:52:02,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:52:02,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:52:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:52:02,386 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-19 07:52:02,387 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:52:02,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839232850] [2022-11-19 07:52:02,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839232850] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:52:02,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:52:02,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:52:02,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874972513] [2022-11-19 07:52:02,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:52:02,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:52:02,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:52:02,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:52:02,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:52:02,391 INFO L87 Difference]: Start difference. First operand 255 states and 405 transitions. Second operand has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-11-19 07:52:02,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:52:02,484 INFO L93 Difference]: Finished difference Result 255 states and 405 transitions. [2022-11-19 07:52:02,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:52:02,485 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 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 106 [2022-11-19 07:52:02,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:52:02,492 INFO L225 Difference]: With dead ends: 255 [2022-11-19 07:52:02,492 INFO L226 Difference]: Without dead ends: 254 [2022-11-19 07:52:02,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:52:02,494 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 109 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:52:02,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 501 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:52:02,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2022-11-19 07:52:02,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2022-11-19 07:52:02,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 189 states have (on average 1.5343915343915344) internal successors, (290), 189 states have internal predecessors, (290), 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) [2022-11-19 07:52:02,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 404 transitions. [2022-11-19 07:52:02,542 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 404 transitions. Word has length 106 [2022-11-19 07:52:02,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:52:02,543 INFO L495 AbstractCegarLoop]: Abstraction has 254 states and 404 transitions. [2022-11-19 07:52:02,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-11-19 07:52:02,543 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 404 transitions. [2022-11-19 07:52:02,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-19 07:52:02,548 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:52:02,554 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, 2, 1, 1, 1, 1, 1, 1] [2022-11-19 07:52:02,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:52:02,555 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-19 07:52:02,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:52:02,556 INFO L85 PathProgramCache]: Analyzing trace with hash -688204527, now seen corresponding path program 1 times [2022-11-19 07:52:02,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:52:02,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209643860] [2022-11-19 07:52:02,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:52:02,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:52:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:52:03,065 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-19 07:52:03,065 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:52:03,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209643860] [2022-11-19 07:52:03,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209643860] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:52:03,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365686909] [2022-11-19 07:52:03,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:52:03,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:52:03,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:52:03,074 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:52:03,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:52:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:52:03,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 07:52:03,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:52:03,388 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-19 07:52:03,388 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:52:03,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365686909] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:52:03,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:52:03,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2022-11-19 07:52:03,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156413862] [2022-11-19 07:52:03,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:52:03,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:52:03,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:52:03,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:52:03,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-19 07:52:03,391 INFO L87 Difference]: Start difference. First operand 254 states and 404 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) [2022-11-19 07:52:03,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:52:03,722 INFO L93 Difference]: Finished difference Result 511 states and 806 transitions. [2022-11-19 07:52:03,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:52:03,722 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 107 [2022-11-19 07:52:03,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:52:03,725 INFO L225 Difference]: With dead ends: 511 [2022-11-19 07:52:03,726 INFO L226 Difference]: Without dead ends: 288 [2022-11-19 07:52:03,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-19 07:52:03,737 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 585 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:52:03,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 592 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:52:03,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2022-11-19 07:52:03,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 265. [2022-11-19 07:52:03,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 196 states have (on average 1.5153061224489797) internal successors, (297), 196 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) [2022-11-19 07:52:03,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 413 transitions. [2022-11-19 07:52:03,798 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 413 transitions. Word has length 107 [2022-11-19 07:52:03,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:52:03,802 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 413 transitions. [2022-11-19 07:52:03,802 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) [2022-11-19 07:52:03,802 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 413 transitions. [2022-11-19 07:52:03,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-19 07:52:03,811 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:52:03,811 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] [2022-11-19 07:52:03,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:52:04,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:52:04,022 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-19 07:52:04,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:52:04,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1857544975, now seen corresponding path program 1 times [2022-11-19 07:52:04,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:52:04,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541703777] [2022-11-19 07:52:04,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:52:04,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:52:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:52:04,262 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-19 07:52:04,263 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:52:04,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541703777] [2022-11-19 07:52:04,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541703777] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:52:04,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186268247] [2022-11-19 07:52:04,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:52:04,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:52:04,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:52:04,271 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:52:04,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:52:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:52:04,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 07:52:04,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:52:04,595 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-19 07:52:04,596 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:52:04,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186268247] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:52:04,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:52:04,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2022-11-19 07:52:04,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681552273] [2022-11-19 07:52:04,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:52:04,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:52:04,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:52:04,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:52:04,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:52:04,604 INFO L87 Difference]: Start difference. First operand 265 states and 413 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) [2022-11-19 07:52:04,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:52:04,958 INFO L93 Difference]: Finished difference Result 586 states and 927 transitions. [2022-11-19 07:52:04,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:52:04,959 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 108 [2022-11-19 07:52:04,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:52:04,963 INFO L225 Difference]: With dead ends: 586 [2022-11-19 07:52:04,963 INFO L226 Difference]: Without dead ends: 365 [2022-11-19 07:52:04,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-11-19 07:52:04,968 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 582 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:52:04,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 597 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:52:04,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2022-11-19 07:52:05,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 265. [2022-11-19 07:52:05,005 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) [2022-11-19 07:52:05,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 412 transitions. [2022-11-19 07:52:05,012 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 412 transitions. Word has length 108 [2022-11-19 07:52:05,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:52:05,012 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 412 transitions. [2022-11-19 07:52:05,013 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) [2022-11-19 07:52:05,013 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 412 transitions. [2022-11-19 07:52:05,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-19 07:52:05,017 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:52:05,017 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] [2022-11-19 07:52:05,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-19 07:52:05,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:52:05,228 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-19 07:52:05,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:52:05,231 INFO L85 PathProgramCache]: Analyzing trace with hash -739173235, now seen corresponding path program 1 times [2022-11-19 07:52:05,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:52:05,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935868063] [2022-11-19 07:52:05,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:52:05,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:52:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:52:05,594 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-19 07:52:05,595 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:52:05,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935868063] [2022-11-19 07:52:05,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935868063] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:52:05,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875984953] [2022-11-19 07:52:05,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:52:05,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:52:05,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:52:05,600 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:52:05,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:52:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:52:05,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:52:05,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:52:05,947 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-19 07:52:05,947 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:52:05,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875984953] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:52:05,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:52:05,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-19 07:52:05,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195773565] [2022-11-19 07:52:05,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:52:05,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:52:05,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:52:05,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:52:05,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:52:05,952 INFO L87 Difference]: Start difference. First operand 265 states and 412 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-19 07:52:06,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:52:06,111 INFO L93 Difference]: Finished difference Result 265 states and 412 transitions. [2022-11-19 07:52:06,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:52:06,112 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 110 [2022-11-19 07:52:06,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:52:06,113 INFO L225 Difference]: With dead ends: 265 [2022-11-19 07:52:06,114 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 07:52:06,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:52:06,115 INFO L413 NwaCegarLoop]: 380 mSDtfsCounter, 205 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 1442 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:52:06,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 1442 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:52:06,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 07:52:06,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 07:52:06,118 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) [2022-11-19 07:52:06,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 07:52:06,118 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2022-11-19 07:52:06,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:52:06,118 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 07:52:06,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-19 07:52:06,119 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 07:52:06,119 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 07:52:06,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-19 07:52:06,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-19 07:52:06,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 07:52:06,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:52:06,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 07:52:07,764 INFO L902 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: true [2022-11-19 07:52:07,764 INFO L899 garLoopResultBuilder]: For program point L187-1(line 187) no Hoare annotation was computed. [2022-11-19 07:52:07,764 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 189) no Hoare annotation was computed. [2022-11-19 07:52:07,764 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 189) no Hoare annotation was computed. [2022-11-19 07:52:07,764 INFO L902 garLoopResultBuilder]: At program point read_manual_selection_historyENTRY(lines 173 191) the Hoare annotation is: true [2022-11-19 07:52:07,764 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 189) no Hoare annotation was computed. [2022-11-19 07:52:07,764 INFO L899 garLoopResultBuilder]: For program point read_manual_selection_historyEXIT(lines 173 191) no Hoare annotation was computed. [2022-11-19 07:52:07,765 INFO L899 garLoopResultBuilder]: For program point read_manual_selection_historyFINAL(lines 173 191) no Hoare annotation was computed. [2022-11-19 07:52:07,765 INFO L902 garLoopResultBuilder]: At program point flip_the_sideENTRY(lines 236 248) the Hoare annotation is: true [2022-11-19 07:52:07,765 INFO L899 garLoopResultBuilder]: For program point flip_the_sideEXIT(lines 236 248) no Hoare annotation was computed. [2022-11-19 07:52:07,765 INFO L899 garLoopResultBuilder]: For program point read_side2_failed_historyEXIT(lines 113 131) no Hoare annotation was computed. [2022-11-19 07:52:07,765 INFO L902 garLoopResultBuilder]: At program point L127(line 127) the Hoare annotation is: true [2022-11-19 07:52:07,765 INFO L899 garLoopResultBuilder]: For program point L127-1(line 127) no Hoare annotation was computed. [2022-11-19 07:52:07,765 INFO L902 garLoopResultBuilder]: At program point read_side2_failed_historyENTRY(lines 113 131) the Hoare annotation is: true [2022-11-19 07:52:07,765 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 129) no Hoare annotation was computed. [2022-11-19 07:52:07,765 INFO L899 garLoopResultBuilder]: For program point read_side2_failed_historyFINAL(lines 113 131) no Hoare annotation was computed. [2022-11-19 07:52:07,766 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 129) no Hoare annotation was computed. [2022-11-19 07:52:07,766 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 129) no Hoare annotation was computed. [2022-11-19 07:52:07,766 INFO L902 garLoopResultBuilder]: At program point assertENTRY(lines 612 623) the Hoare annotation is: true [2022-11-19 07:52:07,766 INFO L899 garLoopResultBuilder]: For program point assertEXIT(lines 612 623) no Hoare annotation was computed. [2022-11-19 07:52:07,766 INFO L902 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: true [2022-11-19 07:52:07,766 INFO L899 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2022-11-19 07:52:07,766 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 99) no Hoare annotation was computed. [2022-11-19 07:52:07,766 INFO L899 garLoopResultBuilder]: For program point read_side1_failed_historyFINAL(lines 83 101) no Hoare annotation was computed. [2022-11-19 07:52:07,766 INFO L899 garLoopResultBuilder]: For program point L91(lines 91 99) no Hoare annotation was computed. [2022-11-19 07:52:07,767 INFO L899 garLoopResultBuilder]: For program point read_side1_failed_historyEXIT(lines 83 101) no Hoare annotation was computed. [2022-11-19 07:52:07,767 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 99) no Hoare annotation was computed. [2022-11-19 07:52:07,767 INFO L902 garLoopResultBuilder]: At program point read_side1_failed_historyENTRY(lines 83 101) the Hoare annotation is: true [2022-11-19 07:52:07,767 INFO L895 garLoopResultBuilder]: At program point L564(line 564) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2022-11-19 07:52:07,767 INFO L899 garLoopResultBuilder]: For program point L564-1(line 564) no Hoare annotation was computed. [2022-11-19 07:52:07,767 INFO L899 garLoopResultBuilder]: For program point L465(lines 465 481) no Hoare annotation was computed. [2022-11-19 07:52:07,767 INFO L899 garLoopResultBuilder]: For program point L366-1(lines 347 370) no Hoare annotation was computed. [2022-11-19 07:52:07,768 INFO L895 garLoopResultBuilder]: At program point L300(lines 293 313) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ ~s1p_old~0 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0 (<= (+ ~s2p_old~0 1) 0)))) [2022-11-19 07:52:07,768 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 370) no Hoare annotation was computed. [2022-11-19 07:52:07,768 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-19 07:52:07,768 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2022-11-19 07:52:07,768 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 416) no Hoare annotation was computed. [2022-11-19 07:52:07,768 INFO L899 garLoopResultBuilder]: For program point L466-2(lines 465 481) no Hoare annotation was computed. [2022-11-19 07:52:07,768 INFO L895 garLoopResultBuilder]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ ~s1p_old~0 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0 (<= (+ ~s2p_old~0 1) 0)))) [2022-11-19 07:52:07,768 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 340) no Hoare annotation was computed. [2022-11-19 07:52:07,769 INFO L899 garLoopResultBuilder]: For program point L367-1(line 367) no Hoare annotation was computed. [2022-11-19 07:52:07,769 INFO L895 garLoopResultBuilder]: At program point L582-2(lines 582 608) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ ~s1p_old~0 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0 (<= (+ ~s2p_old~0 1) 0)))) [2022-11-19 07:52:07,769 INFO L895 garLoopResultBuilder]: At program point L450-2(lines 447 454) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side1~2#1| 1) 0) (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side2~2#1| 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2022-11-19 07:52:07,769 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2022-11-19 07:52:07,769 INFO L895 garLoopResultBuilder]: At program point L318(lines 264 320) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ ~s1p_old~0 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0 (<= (+ ~s2p_old~0 1) 0)))) [2022-11-19 07:52:07,769 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 469) no Hoare annotation was computed. [2022-11-19 07:52:07,769 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2022-11-19 07:52:07,770 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 306) no Hoare annotation was computed. [2022-11-19 07:52:07,770 INFO L899 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2022-11-19 07:52:07,774 INFO L895 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ ~s1p_old~0 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0 (<= (+ ~s2p_old~0 1) 0)))) [2022-11-19 07:52:07,774 INFO L899 garLoopResultBuilder]: For program point L386-1(line 386) no Hoare annotation was computed. [2022-11-19 07:52:07,775 INFO L899 garLoopResultBuilder]: For program point L502(line 502) no Hoare annotation was computed. [2022-11-19 07:52:07,775 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 536) no Hoare annotation was computed. [2022-11-19 07:52:07,775 INFO L899 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2022-11-19 07:52:07,775 INFO L899 garLoopResultBuilder]: For program point L519-1(lines 519 536) no Hoare annotation was computed. [2022-11-19 07:52:07,775 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 517) no Hoare annotation was computed. [2022-11-19 07:52:07,776 INFO L895 garLoopResultBuilder]: At program point L503-1(lines 503 517) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side1~2#1| 1) 0) (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side2~2#1| 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2022-11-19 07:52:07,776 INFO L895 garLoopResultBuilder]: At program point L520(line 520) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side1~2#1| 1) 0) (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side2~2#1| 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2022-11-19 07:52:07,778 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 501) no Hoare annotation was computed. [2022-11-19 07:52:07,779 INFO L899 garLoopResultBuilder]: For program point L520-1(line 520) no Hoare annotation was computed. [2022-11-19 07:52:07,779 INFO L895 garLoopResultBuilder]: At program point L487-1(lines 487 501) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side1~2#1| 1) 0) (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side2~2#1| 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2022-11-19 07:52:07,779 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 07:52:07,779 INFO L895 garLoopResultBuilder]: At program point L537(lines 421 539) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side1~2#1| 1) 0) (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side2~2#1| 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2022-11-19 07:52:07,780 INFO L895 garLoopResultBuilder]: At program point L504(line 504) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side1~2#1| 1) 0) (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side2~2#1| 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2022-11-19 07:52:07,780 INFO L899 garLoopResultBuilder]: For program point L504-1(line 504) no Hoare annotation was computed. [2022-11-19 07:52:07,780 INFO L899 garLoopResultBuilder]: For program point L471-1(lines 465 481) no Hoare annotation was computed. [2022-11-19 07:52:07,780 INFO L899 garLoopResultBuilder]: For program point L521(lines 521 535) no Hoare annotation was computed. [2022-11-19 07:52:07,782 INFO L895 garLoopResultBuilder]: At program point L488(line 488) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side1~2#1| 1) 0) (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side2~2#1| 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2022-11-19 07:52:07,782 INFO L895 garLoopResultBuilder]: At program point L455(line 455) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side1~2#1| 1) 0) (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side2~2#1| 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2022-11-19 07:52:07,782 INFO L899 garLoopResultBuilder]: For program point L488-1(line 488) no Hoare annotation was computed. [2022-11-19 07:52:07,783 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 313) no Hoare annotation was computed. [2022-11-19 07:52:07,783 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 516) no Hoare annotation was computed. [2022-11-19 07:52:07,783 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2022-11-19 07:52:07,783 INFO L895 garLoopResultBuilder]: At program point L522(line 522) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side1~2#1| 1) 0) (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side2~2#1| 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2022-11-19 07:52:07,783 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 500) no Hoare annotation was computed. [2022-11-19 07:52:07,783 INFO L899 garLoopResultBuilder]: For program point L522-1(line 522) no Hoare annotation was computed. [2022-11-19 07:52:07,784 INFO L899 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2022-11-19 07:52:07,784 INFO L895 garLoopResultBuilder]: At program point L357(lines 350 370) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ ~s1p_old~0 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0 (<= (+ ~s2p_old~0 1) 0)))) [2022-11-19 07:52:07,784 INFO L895 garLoopResultBuilder]: At program point L605(line 605) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side1~2#1| 1) 0) (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side2~2#1| 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2022-11-19 07:52:07,784 INFO L899 garLoopResultBuilder]: For program point L605-1(line 605) no Hoare annotation was computed. [2022-11-19 07:52:07,784 INFO L895 garLoopResultBuilder]: At program point L506(line 506) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side1~2#1| 1) 0) (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side2~2#1| 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2022-11-19 07:52:07,785 INFO L899 garLoopResultBuilder]: For program point L506-1(line 506) no Hoare annotation was computed. [2022-11-19 07:52:07,785 INFO L895 garLoopResultBuilder]: At program point L407(lines 400 416) the Hoare annotation is: (let ((.cse0 (<= (+ ~s1p_old~0 1) 0)) (.cse1 (<= (+ ~nomsg~0 1) 0)) (.cse2 (<= (+ ~s2p_old~0 1) 0))) (or (and .cse0 (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse1 .cse2) (and (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side1~2#1| 1) 0) .cse0 (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side2~2#1| 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse1 .cse2))) [2022-11-19 07:52:07,785 INFO L895 garLoopResultBuilder]: At program point L308(lines 301 313) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ ~s1p_old~0 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0 (<= (+ ~s2p_old~0 1) 0)))) [2022-11-19 07:52:07,785 INFO L895 garLoopResultBuilder]: At program point L523(line 523) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side1~2#1| 1) 0) (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side2~2#1| 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2022-11-19 07:52:07,785 INFO L895 garLoopResultBuilder]: At program point L490(line 490) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side1~2#1| 1) 0) (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side2~2#1| 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2022-11-19 07:52:07,786 INFO L899 garLoopResultBuilder]: For program point L523-1(line 523) no Hoare annotation was computed. [2022-11-19 07:52:07,786 INFO L899 garLoopResultBuilder]: For program point L457(lines 457 485) no Hoare annotation was computed. [2022-11-19 07:52:07,786 INFO L899 garLoopResultBuilder]: For program point L490-1(line 490) no Hoare annotation was computed. [2022-11-19 07:52:07,786 INFO L895 garLoopResultBuilder]: At program point L457-1(lines 457 485) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side1~2#1| 1) 0) (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side2~2#1| 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2022-11-19 07:52:07,786 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 606) no Hoare annotation was computed. [2022-11-19 07:52:07,786 INFO L899 garLoopResultBuilder]: For program point L606(line 606) no Hoare annotation was computed. [2022-11-19 07:52:07,787 INFO L899 garLoopResultBuilder]: For program point L606-1(line 606) no Hoare annotation was computed. [2022-11-19 07:52:07,787 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 509) no Hoare annotation was computed. [2022-11-19 07:52:07,787 INFO L895 garLoopResultBuilder]: At program point L408(lines 394 416) the Hoare annotation is: (let ((.cse0 (<= (+ ~s1p_old~0 1) 0)) (.cse1 (<= (+ ~nomsg~0 1) 0)) (.cse2 (<= (+ ~s2p_old~0 1) 0))) (or (and .cse0 (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse1 .cse2) (and (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side1~2#1| 1) 0) .cse0 (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side2~2#1| 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse1 .cse2))) [2022-11-19 07:52:07,787 INFO L895 garLoopResultBuilder]: At program point L375(lines 321 377) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ ~s1p_old~0 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0 (<= (+ ~s2p_old~0 1) 0)))) [2022-11-19 07:52:07,787 INFO L899 garLoopResultBuilder]: For program point L309-1(lines 290 313) no Hoare annotation was computed. [2022-11-19 07:52:07,788 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 534) no Hoare annotation was computed. [2022-11-19 07:52:07,788 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 493) no Hoare annotation was computed. [2022-11-19 07:52:07,788 INFO L895 garLoopResultBuilder]: At program point L458(line 458) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side1~2#1| 1) 0) (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side2~2#1| 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2022-11-19 07:52:07,788 INFO L899 garLoopResultBuilder]: For program point L458-1(line 458) no Hoare annotation was computed. [2022-11-19 07:52:07,788 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 363) no Hoare annotation was computed. [2022-11-19 07:52:07,788 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 313) no Hoare annotation was computed. [2022-11-19 07:52:07,789 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 606) no Hoare annotation was computed. [2022-11-19 07:52:07,789 INFO L895 garLoopResultBuilder]: At program point L310(line 310) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ ~s1p_old~0 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0 (<= (+ ~s2p_old~0 1) 0)))) [2022-11-19 07:52:07,789 INFO L899 garLoopResultBuilder]: For program point L277(lines 277 283) no Hoare annotation was computed. [2022-11-19 07:52:07,789 INFO L899 garLoopResultBuilder]: For program point L310-1(line 310) no Hoare annotation was computed. [2022-11-19 07:52:07,789 INFO L895 garLoopResultBuilder]: At program point L525(line 525) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side1~2#1| 1) 0) (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side2~2#1| 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2022-11-19 07:52:07,790 INFO L899 garLoopResultBuilder]: For program point L525-1(line 525) no Hoare annotation was computed. [2022-11-19 07:52:07,790 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 484) no Hoare annotation was computed. [2022-11-19 07:52:07,791 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 298) no Hoare annotation was computed. [2022-11-19 07:52:07,791 INFO L895 garLoopResultBuilder]: At program point L526(line 526) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side1~2#1| 1) 0) (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side2~2#1| 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2022-11-19 07:52:07,791 INFO L899 garLoopResultBuilder]: For program point L526-1(line 526) no Hoare annotation was computed. [2022-11-19 07:52:07,791 INFO L895 garLoopResultBuilder]: At program point L460(line 460) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side1~2#1| 1) 0) (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side2~2#1| 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2022-11-19 07:52:07,792 INFO L899 garLoopResultBuilder]: For program point L460-1(line 460) no Hoare annotation was computed. [2022-11-19 07:52:07,792 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 416) no Hoare annotation was computed. [2022-11-19 07:52:07,792 INFO L895 garLoopResultBuilder]: At program point L510(line 510) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side1~2#1| 1) 0) (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side2~2#1| 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2022-11-19 07:52:07,793 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 479) no Hoare annotation was computed. [2022-11-19 07:52:07,793 INFO L899 garLoopResultBuilder]: For program point L510-1(line 510) no Hoare annotation was computed. [2022-11-19 07:52:07,793 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 533) no Hoare annotation was computed. [2022-11-19 07:52:07,793 INFO L895 garLoopResultBuilder]: At program point L494(line 494) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side1~2#1| 1) 0) (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side2~2#1| 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2022-11-19 07:52:07,794 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 483) no Hoare annotation was computed. [2022-11-19 07:52:07,794 INFO L899 garLoopResultBuilder]: For program point L494-1(line 494) no Hoare annotation was computed. [2022-11-19 07:52:07,794 INFO L899 garLoopResultBuilder]: For program point L511(lines 511 515) no Hoare annotation was computed. [2022-11-19 07:52:07,794 INFO L895 garLoopResultBuilder]: At program point L528(line 528) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side1~2#1| 1) 0) (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side2~2#1| 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2022-11-19 07:52:07,794 INFO L899 garLoopResultBuilder]: For program point L495(lines 495 499) no Hoare annotation was computed. [2022-11-19 07:52:07,794 INFO L899 garLoopResultBuilder]: For program point L528-1(line 528) no Hoare annotation was computed. [2022-11-19 07:52:07,795 INFO L895 garLoopResultBuilder]: At program point L462(line 462) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side1~2#1| 1) 0) (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side2~2#1| 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2022-11-19 07:52:07,795 INFO L899 garLoopResultBuilder]: For program point L462-1(line 462) no Hoare annotation was computed. [2022-11-19 07:52:07,795 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 514) no Hoare annotation was computed. [2022-11-19 07:52:07,795 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 370) no Hoare annotation was computed. [2022-11-19 07:52:07,795 INFO L895 garLoopResultBuilder]: At program point L529(line 529) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side1~2#1| 1) 0) (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side2~2#1| 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2022-11-19 07:52:07,795 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 498) no Hoare annotation was computed. [2022-11-19 07:52:07,796 INFO L899 garLoopResultBuilder]: For program point L529-1(line 529) no Hoare annotation was computed. [2022-11-19 07:52:07,796 INFO L899 garLoopResultBuilder]: For program point L463(lines 463 482) no Hoare annotation was computed. [2022-11-19 07:52:07,796 INFO L899 garLoopResultBuilder]: For program point L397(lines 397 416) no Hoare annotation was computed. [2022-11-19 07:52:07,797 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 532) no Hoare annotation was computed. [2022-11-19 07:52:07,797 INFO L895 garLoopResultBuilder]: At program point L464(line 464) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side1~2#1| 1) 0) (<= (+ |ULTIMATE.start_Pendulum_prism_task_each_pals_period_~side2~2#1| 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0))) [2022-11-19 07:52:07,797 INFO L899 garLoopResultBuilder]: For program point L464-1(line 464) no Hoare annotation was computed. [2022-11-19 07:52:07,797 INFO L895 garLoopResultBuilder]: At program point L365(lines 358 370) the Hoare annotation is: (let ((.cse0 (<= (+ ~nomsg~0 1) 0))) (or (and (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= 1 |ULTIMATE.start_main_~i2~0#1|) .cse0) (and (<= (+ ~s1p_old~0 1) 0) (= |ULTIMATE.start_main_~i2~0#1| 0) .cse0 (<= (+ ~s2p_old~0 1) 0)))) [2022-11-19 07:52:07,797 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 57 59) the Hoare annotation is: true [2022-11-19 07:52:07,798 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 57 59) no Hoare annotation was computed. [2022-11-19 07:52:07,798 INFO L902 garLoopResultBuilder]: At program point L157(line 157) the Hoare annotation is: true [2022-11-19 07:52:07,798 INFO L899 garLoopResultBuilder]: For program point L157-1(line 157) no Hoare annotation was computed. [2022-11-19 07:52:07,798 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 159) no Hoare annotation was computed. [2022-11-19 07:52:07,798 INFO L902 garLoopResultBuilder]: At program point read_active_side_historyENTRY(lines 143 161) the Hoare annotation is: true [2022-11-19 07:52:07,798 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 159) no Hoare annotation was computed. [2022-11-19 07:52:07,799 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 159) no Hoare annotation was computed. [2022-11-19 07:52:07,799 INFO L899 garLoopResultBuilder]: For program point read_active_side_historyEXIT(lines 143 161) no Hoare annotation was computed. [2022-11-19 07:52:07,799 INFO L899 garLoopResultBuilder]: For program point read_active_side_historyFINAL(lines 143 161) no Hoare annotation was computed. [2022-11-19 07:52:07,803 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-19 07:52:07,805 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:52:07,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:52:07 BoogieIcfgContainer [2022-11-19 07:52:07,847 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:52:07,848 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:52:07,848 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:52:07,848 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:52:07,849 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:52:00" (3/4) ... [2022-11-19 07:52:07,852 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:52:07,858 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_manual_selection_history [2022-11-19 07:52:07,858 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flip_the_side [2022-11-19 07:52:07,858 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side2_failed_history [2022-11-19 07:52:07,859 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert [2022-11-19 07:52:07,859 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side1_failed_history [2022-11-19 07:52:07,859 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-19 07:52:07,859 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_active_side_history [2022-11-19 07:52:07,881 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2022-11-19 07:52:07,882 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-19 07:52:07,883 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-19 07:52:07,884 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:52:07,925 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (1 <= i2 && nomsg + 1 <= 0) || (((s1p_\old + 1 <= 0 && i2 == 0) && nomsg + 1 <= 0) && s2p_\old + 1 <= 0) [2022-11-19 07:52:07,928 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((s1p_\old + 1 <= 0 && i2 <= 9) && 1 <= i2) && nomsg + 1 <= 0) && s2p_\old + 1 <= 0) || (((((side1 + 1 <= 0 && s1p_\old + 1 <= 0) && side2 + 1 <= 0) && i2 == 0) && nomsg + 1 <= 0) && s2p_\old + 1 <= 0) [2022-11-19 07:52:07,928 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((s1p_\old + 1 <= 0 && i2 <= 9) && 1 <= i2) && nomsg + 1 <= 0) && s2p_\old + 1 <= 0) || (((((side1 + 1 <= 0 && s1p_\old + 1 <= 0) && side2 + 1 <= 0) && i2 == 0) && nomsg + 1 <= 0) && s2p_\old + 1 <= 0) [2022-11-19 07:52:07,929 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((i2 <= 9 && 1 <= i2) && nomsg + 1 <= 0) || (((s1p_\old + 1 <= 0 && i2 == 0) && nomsg + 1 <= 0) && s2p_\old + 1 <= 0) [2022-11-19 07:52:07,929 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((i2 <= 9 && 1 <= i2) && nomsg + 1 <= 0) || (((s1p_\old + 1 <= 0 && i2 == 0) && nomsg + 1 <= 0) && s2p_\old + 1 <= 0) [2022-11-19 07:52:07,929 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((i2 <= 9 && 1 <= i2) && nomsg + 1 <= 0) || (((s1p_\old + 1 <= 0 && i2 == 0) && nomsg + 1 <= 0) && s2p_\old + 1 <= 0) [2022-11-19 07:52:07,930 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((i2 <= 9 && 1 <= i2) && nomsg + 1 <= 0) || (((s1p_\old + 1 <= 0 && i2 == 0) && nomsg + 1 <= 0) && s2p_\old + 1 <= 0) [2022-11-19 07:52:07,930 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((i2 <= 9 && 1 <= i2) && nomsg + 1 <= 0) || (((s1p_\old + 1 <= 0 && i2 == 0) && nomsg + 1 <= 0) && s2p_\old + 1 <= 0) [2022-11-19 07:52:07,930 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((i2 <= 9 && 1 <= i2) && nomsg + 1 <= 0) || (((s1p_\old + 1 <= 0 && i2 == 0) && nomsg + 1 <= 0) && s2p_\old + 1 <= 0) [2022-11-19 07:52:08,004 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:52:08,005 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:52:08,006 INFO L158 Benchmark]: Toolchain (without parser) took 8744.03ms. Allocated memory was 119.5MB in the beginning and 197.1MB in the end (delta: 77.6MB). Free memory was 81.1MB in the beginning and 114.9MB in the end (delta: -33.8MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2022-11-19 07:52:08,006 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 119.5MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:52:08,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 479.12ms. Allocated memory is still 119.5MB. Free memory was 80.9MB in the beginning and 88.5MB in the end (delta: -7.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 07:52:08,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.44ms. Allocated memory is still 119.5MB. Free memory was 88.5MB in the beginning and 84.8MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:52:08,007 INFO L158 Benchmark]: Boogie Preprocessor took 46.72ms. Allocated memory is still 119.5MB. Free memory was 84.8MB in the beginning and 82.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 07:52:08,008 INFO L158 Benchmark]: RCFGBuilder took 1020.27ms. Allocated memory is still 119.5MB. Free memory was 82.2MB in the beginning and 73.5MB in the end (delta: 8.7MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. [2022-11-19 07:52:08,008 INFO L158 Benchmark]: TraceAbstraction took 6959.99ms. Allocated memory was 119.5MB in the beginning and 197.1MB in the end (delta: 77.6MB). Free memory was 72.9MB in the beginning and 124.3MB in the end (delta: -51.4MB). Peak memory consumption was 94.9MB. Max. memory is 16.1GB. [2022-11-19 07:52:08,009 INFO L158 Benchmark]: Witness Printer took 157.80ms. Allocated memory is still 197.1MB. Free memory was 124.3MB in the beginning and 114.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 07:52:08,011 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 119.5MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 479.12ms. Allocated memory is still 119.5MB. Free memory was 80.9MB in the beginning and 88.5MB in the end (delta: -7.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.44ms. Allocated memory is still 119.5MB. Free memory was 88.5MB in the beginning and 84.8MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.72ms. Allocated memory is still 119.5MB. Free memory was 84.8MB in the beginning and 82.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1020.27ms. Allocated memory is still 119.5MB. Free memory was 82.2MB in the beginning and 73.5MB in the end (delta: 8.7MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. * TraceAbstraction took 6959.99ms. Allocated memory was 119.5MB in the beginning and 197.1MB in the end (delta: 77.6MB). Free memory was 72.9MB in the beginning and 124.3MB in the end (delta: -51.4MB). Peak memory consumption was 94.9MB. Max. memory is 16.1GB. * Witness Printer took 157.80ms. Allocated memory is still 197.1MB. Free memory was 124.3MB in the beginning and 114.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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: 6.8s, OverallIterations: 5, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1666 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1588 mSDsluCounter, 3835 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2575 mSDsCounter, 140 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 512 IncrementalHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 140 mSolverCounterUnsat, 1260 mSDtfsCounter, 512 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 358 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=265occurred in iteration=3, InterpolantAutomatonStates: 26, 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, 123 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 332 PreInvPairs, 404 NumberOfFragments, 1213 HoareAnnotationTreeSize, 332 FomulaSimplifications, 263 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 49 FomulaSimplificationsInter, 1010 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 811 NumberOfCodeBlocks, 811 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 803 ConstructedInterpolants, 0 QuantifiedInterpolants, 1423 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1861 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 444/502 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: 301]: Loop Invariant Derived loop invariant: ((i2 <= 9 && 1 <= i2) && nomsg + 1 <= 0) || (((s1p_\old + 1 <= 0 && i2 == 0) && nomsg + 1 <= 0) && s2p_\old + 1 <= 0) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: ((i2 <= 9 && 1 <= i2) && nomsg + 1 <= 0) || (((s1p_\old + 1 <= 0 && i2 == 0) && nomsg + 1 <= 0) && s2p_\old + 1 <= 0) - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (1 <= i2 && nomsg + 1 <= 0) || (((s1p_\old + 1 <= 0 && i2 == 0) && nomsg + 1 <= 0) && s2p_\old + 1 <= 0) - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: ((i2 <= 9 && 1 <= i2) && nomsg + 1 <= 0) || (((s1p_\old + 1 <= 0 && i2 == 0) && nomsg + 1 <= 0) && s2p_\old + 1 <= 0) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: ((((s1p_\old + 1 <= 0 && i2 <= 9) && 1 <= i2) && nomsg + 1 <= 0) && s2p_\old + 1 <= 0) || (((((side1 + 1 <= 0 && s1p_\old + 1 <= 0) && side2 + 1 <= 0) && i2 == 0) && nomsg + 1 <= 0) && s2p_\old + 1 <= 0) - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: ((((s1p_\old + 1 <= 0 && i2 <= 9) && 1 <= i2) && nomsg + 1 <= 0) && s2p_\old + 1 <= 0) || (((((side1 + 1 <= 0 && s1p_\old + 1 <= 0) && side2 + 1 <= 0) && i2 == 0) && nomsg + 1 <= 0) && s2p_\old + 1 <= 0) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: ((i2 <= 9 && 1 <= i2) && nomsg + 1 <= 0) || (((s1p_\old + 1 <= 0 && i2 == 0) && nomsg + 1 <= 0) && s2p_\old + 1 <= 0) - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: ((i2 <= 9 && 1 <= i2) && nomsg + 1 <= 0) || (((s1p_\old + 1 <= 0 && i2 == 0) && nomsg + 1 <= 0) && s2p_\old + 1 <= 0) - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: ((i2 <= 9 && 1 <= i2) && nomsg + 1 <= 0) || (((s1p_\old + 1 <= 0 && i2 == 0) && nomsg + 1 <= 0) && s2p_\old + 1 <= 0) - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: ((i2 <= 9 && 1 <= i2) && nomsg + 1 <= 0) || (((side1 + 1 <= 0 && side2 + 1 <= 0) && i2 == 0) && nomsg + 1 <= 0) RESULT: Ultimate proved your program to be correct! [2022-11-19 07:52:08,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7733ca1-5c99-4180-ad4d-978d4ba9308f/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE