./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur --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 5c6d968f3bfd626cfd1fff51fa64657ab37ae457da61332877d0ea5ab7fc90f2 --- 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-38b53e6 [2022-11-26 01:06:13,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:06:13,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:06:13,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:06:13,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:06:13,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:06:13,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:06:13,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:06:13,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:06:13,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:06:13,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:06:13,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:06:13,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:06:13,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:06:13,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:06:13,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:06:13,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:06:13,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:06:13,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:06:13,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:06:13,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:06:13,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:06:13,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:06:13,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:06:13,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:06:13,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:06:13,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:06:13,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:06:13,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:06:13,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:06:13,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:06:13,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:06:13,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:06:13,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:06:13,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:06:13,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:06:13,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:06:13,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:06:13,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:06:13,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:06:13,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:06:13,330 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-26 01:06:13,376 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:06:13,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:06:13,377 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:06:13,377 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:06:13,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:06:13,379 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:06:13,379 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:06:13,379 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:06:13,380 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:06:13,380 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 01:06:13,381 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:06:13,381 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:06:13,382 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 01:06:13,382 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 01:06:13,382 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:06:13,382 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 01:06:13,383 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 01:06:13,383 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 01:06:13,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:06:13,384 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 01:06:13,384 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 01:06:13,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:06:13,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 01:06:13,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:06:13,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:06:13,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:06:13,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:06:13,386 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 01:06:13,387 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 01:06:13,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:06:13,387 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:06:13,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:06:13,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:06:13,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:06:13,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:06:13,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:06:13,389 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 01:06:13,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:06:13,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:06:13,390 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 01:06:13,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 01:06:13,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:06:13,391 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:06:13,391 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_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c6d968f3bfd626cfd1fff51fa64657ab37ae457da61332877d0ea5ab7fc90f2 [2022-11-26 01:06:13,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:06:13,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:06:13,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:06:13,830 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:06:13,830 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:06:13,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.ufo.BOUNDED-10.pals.c [2022-11-26 01:06:17,111 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:06:17,419 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:06:17,426 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.ufo.BOUNDED-10.pals.c [2022-11-26 01:06:17,439 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/data/31fee4c80/cb991317f51f4aa4ab97ad69159a82a9/FLAGcbeed63cd [2022-11-26 01:06:17,455 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/data/31fee4c80/cb991317f51f4aa4ab97ad69159a82a9 [2022-11-26 01:06:17,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:06:17,460 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:06:17,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:06:17,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:06:17,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:06:17,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:06:17" (1/1) ... [2022-11-26 01:06:17,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@87786b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:17, skipping insertion in model container [2022-11-26 01:06:17,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:06:17" (1/1) ... [2022-11-26 01:06:17,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:06:17,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:06:17,846 WARN L237 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_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.ufo.BOUNDED-10.pals.c[14698,14711] [2022-11-26 01:06:17,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:06:17,860 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 01:06:17,977 WARN L237 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_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.ufo.BOUNDED-10.pals.c[14698,14711] [2022-11-26 01:06:17,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:06:18,008 INFO L208 MainTranslator]: Completed translation [2022-11-26 01:06:18,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:18 WrapperNode [2022-11-26 01:06:18,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:06:18,010 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 01:06:18,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 01:06:18,010 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 01:06:18,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:18" (1/1) ... [2022-11-26 01:06:18,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:18" (1/1) ... [2022-11-26 01:06:18,079 INFO L138 Inliner]: procedures = 32, calls = 48, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 484 [2022-11-26 01:06:18,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 01:06:18,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 01:06:18,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 01:06:18,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 01:06:18,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:18" (1/1) ... [2022-11-26 01:06:18,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:18" (1/1) ... [2022-11-26 01:06:18,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:18" (1/1) ... [2022-11-26 01:06:18,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:18" (1/1) ... [2022-11-26 01:06:18,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:18" (1/1) ... [2022-11-26 01:06:18,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:18" (1/1) ... [2022-11-26 01:06:18,180 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:18" (1/1) ... [2022-11-26 01:06:18,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:18" (1/1) ... [2022-11-26 01:06:18,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 01:06:18,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 01:06:18,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 01:06:18,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 01:06:18,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:18" (1/1) ... [2022-11-26 01:06:18,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:06:18,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:06:18,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 01:06:18,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 01:06:18,312 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2022-11-26 01:06:18,313 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2022-11-26 01:06:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 01:06:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2022-11-26 01:06:18,313 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2022-11-26 01:06:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-11-26 01:06:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-11-26 01:06:18,314 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2022-11-26 01:06:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2022-11-26 01:06:18,314 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 01:06:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 01:06:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 01:06:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2022-11-26 01:06:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2022-11-26 01:06:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 01:06:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 01:06:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2022-11-26 01:06:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2022-11-26 01:06:18,463 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 01:06:18,465 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 01:06:19,339 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 01:06:19,661 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 01:06:19,661 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-26 01:06:19,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:06:19 BoogieIcfgContainer [2022-11-26 01:06:19,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 01:06:19,668 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 01:06:19,668 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 01:06:19,678 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 01:06:19,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:06:17" (1/3) ... [2022-11-26 01:06:19,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19f1d17e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:06:19, skipping insertion in model container [2022-11-26 01:06:19,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:18" (2/3) ... [2022-11-26 01:06:19,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19f1d17e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:06:19, skipping insertion in model container [2022-11-26 01:06:19,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:06:19" (3/3) ... [2022-11-26 01:06:19,686 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.ufo.BOUNDED-10.pals.c [2022-11-26 01:06:19,711 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 01:06:19,712 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 01:06:19,806 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:06:19,817 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;@718c738b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:06:19,818 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-26 01:06:19,825 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) [2022-11-26 01:06:19,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-26 01:06:19,847 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:06:19,849 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] [2022-11-26 01:06:19,849 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 01:06:19,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:06:19,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1491379421, now seen corresponding path program 1 times [2022-11-26 01:06:19,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:06:19,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921581790] [2022-11-26 01:06:19,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:06:19,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:06:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:06:20,659 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-26 01:06:20,660 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:06:20,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921581790] [2022-11-26 01:06:20,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921581790] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:06:20,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:06:20,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:06:20,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871282159] [2022-11-26 01:06:20,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:06:20,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:06:20,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:06:20,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:06:20,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:06:20,738 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) [2022-11-26 01:06:20,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:06:20,969 INFO L93 Difference]: Finished difference Result 259 states and 409 transitions. [2022-11-26 01:06:20,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:06:20,972 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 [2022-11-26 01:06:20,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:06:20,989 INFO L225 Difference]: With dead ends: 259 [2022-11-26 01:06:20,991 INFO L226 Difference]: Without dead ends: 255 [2022-11-26 01:06:20,995 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 [2022-11-26 01:06:21,002 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 [2022-11-26 01:06:21,003 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] [2022-11-26 01:06:21,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2022-11-26 01:06:21,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2022-11-26 01:06:21,095 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) [2022-11-26 01:06:21,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 405 transitions. [2022-11-26 01:06:21,102 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 405 transitions. Word has length 55 [2022-11-26 01:06:21,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:06:21,104 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 405 transitions. [2022-11-26 01:06:21,105 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) [2022-11-26 01:06:21,105 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 405 transitions. [2022-11-26 01:06:21,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-26 01:06:21,113 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:06:21,113 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] [2022-11-26 01:06:21,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 01:06:21,114 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 01:06:21,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:06:21,115 INFO L85 PathProgramCache]: Analyzing trace with hash -160747495, now seen corresponding path program 1 times [2022-11-26 01:06:21,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:06:21,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802906292] [2022-11-26 01:06:21,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:06:21,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:06:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:06:21,818 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-26 01:06:21,819 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:06:21,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802906292] [2022-11-26 01:06:21,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802906292] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:06:21,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065321585] [2022-11-26 01:06:21,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:06:21,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:06:21,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:06:21,838 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:06:21,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 01:06:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:06:22,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 01:06:22,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:06:22,348 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-26 01:06:22,349 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:06:22,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065321585] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:06:22,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 01:06:22,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2022-11-26 01:06:22,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353872176] [2022-11-26 01:06:22,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:06:22,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:06:22,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:06:22,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:06:22,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-26 01:06:22,356 INFO L87 Difference]: Start difference. First operand 255 states and 405 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-26 01:06:22,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:06:22,833 INFO L93 Difference]: Finished difference Result 513 states and 808 transitions. [2022-11-26 01:06:22,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 01:06:22,834 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 106 [2022-11-26 01:06:22,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:06:22,837 INFO L225 Difference]: With dead ends: 513 [2022-11-26 01:06:22,838 INFO L226 Difference]: Without dead ends: 289 [2022-11-26 01:06:22,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-26 01:06:22,848 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 586 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 01:06:22,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 595 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 01:06:22,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2022-11-26 01:06:22,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 266. [2022-11-26 01:06:22,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 196 states have (on average 1.5204081632653061) internal successors, (298), 197 states have internal predecessors, (298), 58 states have call successors, (58), 10 states have call predecessors, (58), 10 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2022-11-26 01:06:22,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 414 transitions. [2022-11-26 01:06:22,917 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 414 transitions. Word has length 106 [2022-11-26 01:06:22,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:06:22,918 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 414 transitions. [2022-11-26 01:06:22,918 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) [2022-11-26 01:06:22,918 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 414 transitions. [2022-11-26 01:06:22,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-26 01:06:22,931 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:06:22,931 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:06:22,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 01:06:23,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-26 01:06:23,150 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 01:06:23,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:06:23,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1879741861, now seen corresponding path program 1 times [2022-11-26 01:06:23,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:06:23,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555771977] [2022-11-26 01:06:23,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:06:23,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:06:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:06:23,462 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-26 01:06:23,463 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:06:23,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555771977] [2022-11-26 01:06:23,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555771977] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:06:23,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996330340] [2022-11-26 01:06:23,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:06:23,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:06:23,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:06:23,465 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:06:23,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 01:06:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:06:23,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 01:06:23,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:06:23,813 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-26 01:06:23,813 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:06:23,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996330340] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:06:23,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 01:06:23,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2022-11-26 01:06:23,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213298499] [2022-11-26 01:06:23,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:06:23,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:06:23,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:06:23,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:06:23,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-26 01:06:23,817 INFO L87 Difference]: Start difference. First operand 266 states and 414 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-26 01:06:24,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:06:24,220 INFO L93 Difference]: Finished difference Result 589 states and 930 transitions. [2022-11-26 01:06:24,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 01:06:24,221 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 107 [2022-11-26 01:06:24,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:06:24,224 INFO L225 Difference]: With dead ends: 589 [2022-11-26 01:06:24,225 INFO L226 Difference]: Without dead ends: 367 [2022-11-26 01:06:24,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-11-26 01:06:24,228 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 584 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 01:06:24,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 602 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 01:06:24,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2022-11-26 01:06:24,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 266. [2022-11-26 01:06:24,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 196 states have (on average 1.5153061224489797) internal successors, (297), 197 states have internal predecessors, (297), 58 states have call successors, (58), 10 states have call predecessors, (58), 10 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2022-11-26 01:06:24,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 413 transitions. [2022-11-26 01:06:24,266 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 413 transitions. Word has length 107 [2022-11-26 01:06:24,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:06:24,266 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 413 transitions. [2022-11-26 01:06:24,267 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) [2022-11-26 01:06:24,267 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 413 transitions. [2022-11-26 01:06:24,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-26 01:06:24,269 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:06:24,270 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:06:24,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 01:06:24,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:06:24,477 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 01:06:24,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:06:24,477 INFO L85 PathProgramCache]: Analyzing trace with hash -300938979, now seen corresponding path program 1 times [2022-11-26 01:06:24,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:06:24,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538749716] [2022-11-26 01:06:24,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:06:24,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:06:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:06:24,819 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-26 01:06:24,820 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:06:24,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538749716] [2022-11-26 01:06:24,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538749716] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:06:24,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708550808] [2022-11-26 01:06:24,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:06:24,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:06:24,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:06:24,822 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:06:24,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 01:06:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:06:25,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 01:06:25,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:06:25,203 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-26 01:06:25,204 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:06:25,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708550808] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:06:25,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 01:06:25,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-26 01:06:25,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986839834] [2022-11-26 01:06:25,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:06:25,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 01:06:25,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:06:25,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 01:06:25,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:06:25,213 INFO L87 Difference]: Start difference. First operand 266 states and 413 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-26 01:06:25,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:06:25,436 INFO L93 Difference]: Finished difference Result 266 states and 413 transitions. [2022-11-26 01:06:25,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 01:06:25,436 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 109 [2022-11-26 01:06:25,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:06:25,444 INFO L225 Difference]: With dead ends: 266 [2022-11-26 01:06:25,444 INFO L226 Difference]: Without dead ends: 265 [2022-11-26 01:06:25,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-26 01:06:25,448 INFO L413 NwaCegarLoop]: 380 mSDtfsCounter, 212 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 1346 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:06:25,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 1346 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 01:06:25,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2022-11-26 01:06:25,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2022-11-26 01:06:25,495 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) [2022-11-26 01:06:25,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 412 transitions. [2022-11-26 01:06:25,498 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 412 transitions. Word has length 109 [2022-11-26 01:06:25,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:06:25,500 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 412 transitions. [2022-11-26 01:06:25,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-26 01:06:25,503 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 412 transitions. [2022-11-26 01:06:25,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-26 01:06:25,507 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:06:25,508 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] [2022-11-26 01:06:25,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 01:06:25,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:06:25,722 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 01:06:25,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:06:25,723 INFO L85 PathProgramCache]: Analyzing trace with hash -739173235, now seen corresponding path program 1 times [2022-11-26 01:06:25,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:06:25,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497162117] [2022-11-26 01:06:25,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:06:25,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:06:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:06:25,923 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-26 01:06:25,923 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:06:25,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497162117] [2022-11-26 01:06:25,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497162117] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:06:25,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:06:25,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:06:25,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492895325] [2022-11-26 01:06:25,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:06:25,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:06:25,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:06:25,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:06:25,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:06:25,927 INFO L87 Difference]: Start difference. First operand 265 states and 412 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-26 01:06:25,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:06:25,999 INFO L93 Difference]: Finished difference Result 265 states and 412 transitions. [2022-11-26 01:06:26,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:06:26,000 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 110 [2022-11-26 01:06:26,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:06:26,002 INFO L225 Difference]: With dead ends: 265 [2022-11-26 01:06:26,003 INFO L226 Difference]: Without dead ends: 0 [2022-11-26 01:06:26,004 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 [2022-11-26 01:06:26,005 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 106 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 01:06:26,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 501 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 01:06:26,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-26 01:06:26,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-26 01:06:26,007 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) [2022-11-26 01:06:26,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-26 01:06:26,008 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2022-11-26 01:06:26,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:06:26,008 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-26 01:06:26,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-26 01:06:26,009 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-26 01:06:26,009 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-26 01:06:26,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-26 01:06:26,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-26 01:06:26,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 01:06:26,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-26 01:06:26,895 INFO L902 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: true [2022-11-26 01:06:26,895 INFO L899 garLoopResultBuilder]: For program point L187-1(line 187) no Hoare annotation was computed. [2022-11-26 01:06:26,895 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 189) no Hoare annotation was computed. [2022-11-26 01:06:26,896 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 189) no Hoare annotation was computed. [2022-11-26 01:06:26,896 INFO L902 garLoopResultBuilder]: At program point read_manual_selection_historyENTRY(lines 173 191) the Hoare annotation is: true [2022-11-26 01:06:26,896 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 189) no Hoare annotation was computed. [2022-11-26 01:06:26,896 INFO L899 garLoopResultBuilder]: For program point read_manual_selection_historyEXIT(lines 173 191) no Hoare annotation was computed. [2022-11-26 01:06:26,896 INFO L899 garLoopResultBuilder]: For program point read_manual_selection_historyFINAL(lines 173 191) no Hoare annotation was computed. [2022-11-26 01:06:26,896 INFO L902 garLoopResultBuilder]: At program point flip_the_sideENTRY(lines 236 248) the Hoare annotation is: true [2022-11-26 01:06:26,896 INFO L899 garLoopResultBuilder]: For program point flip_the_sideEXIT(lines 236 248) no Hoare annotation was computed. [2022-11-26 01:06:26,896 INFO L899 garLoopResultBuilder]: For program point read_side2_failed_historyEXIT(lines 113 131) no Hoare annotation was computed. [2022-11-26 01:06:26,897 INFO L902 garLoopResultBuilder]: At program point L127(line 127) the Hoare annotation is: true [2022-11-26 01:06:26,897 INFO L899 garLoopResultBuilder]: For program point L127-1(line 127) no Hoare annotation was computed. [2022-11-26 01:06:26,897 INFO L902 garLoopResultBuilder]: At program point read_side2_failed_historyENTRY(lines 113 131) the Hoare annotation is: true [2022-11-26 01:06:26,897 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 129) no Hoare annotation was computed. [2022-11-26 01:06:26,897 INFO L899 garLoopResultBuilder]: For program point read_side2_failed_historyFINAL(lines 113 131) no Hoare annotation was computed. [2022-11-26 01:06:26,897 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 129) no Hoare annotation was computed. [2022-11-26 01:06:26,897 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 129) no Hoare annotation was computed. [2022-11-26 01:06:26,897 INFO L902 garLoopResultBuilder]: At program point assertENTRY(lines 612 623) the Hoare annotation is: true [2022-11-26 01:06:26,898 INFO L899 garLoopResultBuilder]: For program point assertEXIT(lines 612 623) no Hoare annotation was computed. [2022-11-26 01:06:26,898 INFO L902 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: true [2022-11-26 01:06:26,898 INFO L899 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2022-11-26 01:06:26,898 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 99) no Hoare annotation was computed. [2022-11-26 01:06:26,898 INFO L899 garLoopResultBuilder]: For program point read_side1_failed_historyFINAL(lines 83 101) no Hoare annotation was computed. [2022-11-26 01:06:26,898 INFO L899 garLoopResultBuilder]: For program point L91(lines 91 99) no Hoare annotation was computed. [2022-11-26 01:06:26,898 INFO L899 garLoopResultBuilder]: For program point read_side1_failed_historyEXIT(lines 83 101) no Hoare annotation was computed. [2022-11-26 01:06:26,898 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 99) no Hoare annotation was computed. [2022-11-26 01:06:26,899 INFO L902 garLoopResultBuilder]: At program point read_side1_failed_historyENTRY(lines 83 101) the Hoare annotation is: true [2022-11-26 01:06:26,900 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)) [2022-11-26 01:06:26,900 INFO L899 garLoopResultBuilder]: For program point L564-1(line 564) no Hoare annotation was computed. [2022-11-26 01:06:26,900 INFO L899 garLoopResultBuilder]: For program point L465(lines 465 481) no Hoare annotation was computed. [2022-11-26 01:06:26,900 INFO L899 garLoopResultBuilder]: For program point L366-1(lines 347 370) no Hoare annotation was computed. [2022-11-26 01:06:26,901 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)))) [2022-11-26 01:06:26,901 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 370) no Hoare annotation was computed. [2022-11-26 01:06:26,901 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-26 01:06:26,901 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2022-11-26 01:06:26,901 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 416) no Hoare annotation was computed. [2022-11-26 01:06:26,902 INFO L899 garLoopResultBuilder]: For program point L466-2(lines 465 481) no Hoare annotation was computed. [2022-11-26 01:06:26,902 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)))) [2022-11-26 01:06:26,902 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 340) no Hoare annotation was computed. [2022-11-26 01:06:26,902 INFO L899 garLoopResultBuilder]: For program point L367-1(line 367) no Hoare annotation was computed. [2022-11-26 01:06:26,903 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)))) [2022-11-26 01:06:26,903 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))) [2022-11-26 01:06:26,903 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2022-11-26 01:06:26,904 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)))) [2022-11-26 01:06:26,904 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 469) no Hoare annotation was computed. [2022-11-26 01:06:26,904 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2022-11-26 01:06:26,904 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 306) no Hoare annotation was computed. [2022-11-26 01:06:26,904 INFO L899 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2022-11-26 01:06:26,905 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)))) [2022-11-26 01:06:26,905 INFO L899 garLoopResultBuilder]: For program point L386-1(line 386) no Hoare annotation was computed. [2022-11-26 01:06:26,905 INFO L899 garLoopResultBuilder]: For program point L502(line 502) no Hoare annotation was computed. [2022-11-26 01:06:26,905 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 536) no Hoare annotation was computed. [2022-11-26 01:06:26,905 INFO L899 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2022-11-26 01:06:26,906 INFO L899 garLoopResultBuilder]: For program point L519-1(lines 519 536) no Hoare annotation was computed. [2022-11-26 01:06:26,906 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 517) no Hoare annotation was computed. [2022-11-26 01:06:26,906 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))) [2022-11-26 01:06:26,906 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))) [2022-11-26 01:06:26,907 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 501) no Hoare annotation was computed. [2022-11-26 01:06:26,907 INFO L899 garLoopResultBuilder]: For program point L520-1(line 520) no Hoare annotation was computed. [2022-11-26 01:06:26,907 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))) [2022-11-26 01:06:26,907 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-26 01:06:26,907 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))) [2022-11-26 01:06:26,908 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))) [2022-11-26 01:06:26,908 INFO L899 garLoopResultBuilder]: For program point L504-1(line 504) no Hoare annotation was computed. [2022-11-26 01:06:26,908 INFO L899 garLoopResultBuilder]: For program point L471-1(lines 465 481) no Hoare annotation was computed. [2022-11-26 01:06:26,908 INFO L899 garLoopResultBuilder]: For program point L521(lines 521 535) no Hoare annotation was computed. [2022-11-26 01:06:26,909 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))) [2022-11-26 01:06:26,909 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))) [2022-11-26 01:06:26,909 INFO L899 garLoopResultBuilder]: For program point L488-1(line 488) no Hoare annotation was computed. [2022-11-26 01:06:26,909 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 313) no Hoare annotation was computed. [2022-11-26 01:06:26,909 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 516) no Hoare annotation was computed. [2022-11-26 01:06:26,910 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2022-11-26 01:06:26,910 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))) [2022-11-26 01:06:26,910 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 500) no Hoare annotation was computed. [2022-11-26 01:06:26,910 INFO L899 garLoopResultBuilder]: For program point L522-1(line 522) no Hoare annotation was computed. [2022-11-26 01:06:26,911 INFO L899 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2022-11-26 01:06:26,911 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)))) [2022-11-26 01:06:26,911 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))) [2022-11-26 01:06:26,911 INFO L899 garLoopResultBuilder]: For program point L605-1(line 605) no Hoare annotation was computed. [2022-11-26 01:06:26,911 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))) [2022-11-26 01:06:26,912 INFO L899 garLoopResultBuilder]: For program point L506-1(line 506) no Hoare annotation was computed. [2022-11-26 01:06:26,912 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))) [2022-11-26 01:06:26,912 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)))) [2022-11-26 01:06:26,912 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))) [2022-11-26 01:06:26,913 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))) [2022-11-26 01:06:26,913 INFO L899 garLoopResultBuilder]: For program point L523-1(line 523) no Hoare annotation was computed. [2022-11-26 01:06:26,913 INFO L899 garLoopResultBuilder]: For program point L457(lines 457 485) no Hoare annotation was computed. [2022-11-26 01:06:26,913 INFO L899 garLoopResultBuilder]: For program point L490-1(line 490) no Hoare annotation was computed. [2022-11-26 01:06:26,914 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))) [2022-11-26 01:06:26,914 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 606) no Hoare annotation was computed. [2022-11-26 01:06:26,914 INFO L899 garLoopResultBuilder]: For program point L606(line 606) no Hoare annotation was computed. [2022-11-26 01:06:26,914 INFO L899 garLoopResultBuilder]: For program point L606-1(line 606) no Hoare annotation was computed. [2022-11-26 01:06:26,914 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 509) no Hoare annotation was computed. [2022-11-26 01:06:26,915 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))) [2022-11-26 01:06:26,915 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)))) [2022-11-26 01:06:26,915 INFO L899 garLoopResultBuilder]: For program point L309-1(lines 290 313) no Hoare annotation was computed. [2022-11-26 01:06:26,915 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 534) no Hoare annotation was computed. [2022-11-26 01:06:26,915 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 493) no Hoare annotation was computed. [2022-11-26 01:06:26,916 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))) [2022-11-26 01:06:26,916 INFO L899 garLoopResultBuilder]: For program point L458-1(line 458) no Hoare annotation was computed. [2022-11-26 01:06:26,916 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 363) no Hoare annotation was computed. [2022-11-26 01:06:26,916 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 313) no Hoare annotation was computed. [2022-11-26 01:06:26,917 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 606) no Hoare annotation was computed. [2022-11-26 01:06:26,917 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)))) [2022-11-26 01:06:26,917 INFO L899 garLoopResultBuilder]: For program point L277(lines 277 283) no Hoare annotation was computed. [2022-11-26 01:06:26,917 INFO L899 garLoopResultBuilder]: For program point L310-1(line 310) no Hoare annotation was computed. [2022-11-26 01:06:26,917 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))) [2022-11-26 01:06:26,918 INFO L899 garLoopResultBuilder]: For program point L525-1(line 525) no Hoare annotation was computed. [2022-11-26 01:06:26,918 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 484) no Hoare annotation was computed. [2022-11-26 01:06:26,918 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 298) no Hoare annotation was computed. [2022-11-26 01:06:26,918 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))) [2022-11-26 01:06:26,919 INFO L899 garLoopResultBuilder]: For program point L526-1(line 526) no Hoare annotation was computed. [2022-11-26 01:06:26,919 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))) [2022-11-26 01:06:26,919 INFO L899 garLoopResultBuilder]: For program point L460-1(line 460) no Hoare annotation was computed. [2022-11-26 01:06:26,919 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 416) no Hoare annotation was computed. [2022-11-26 01:06:26,919 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))) [2022-11-26 01:06:26,920 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 479) no Hoare annotation was computed. [2022-11-26 01:06:26,920 INFO L899 garLoopResultBuilder]: For program point L510-1(line 510) no Hoare annotation was computed. [2022-11-26 01:06:26,920 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 533) no Hoare annotation was computed. [2022-11-26 01:06:26,920 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))) [2022-11-26 01:06:26,920 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 483) no Hoare annotation was computed. [2022-11-26 01:06:26,921 INFO L899 garLoopResultBuilder]: For program point L494-1(line 494) no Hoare annotation was computed. [2022-11-26 01:06:26,921 INFO L899 garLoopResultBuilder]: For program point L511(lines 511 515) no Hoare annotation was computed. [2022-11-26 01:06:26,921 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))) [2022-11-26 01:06:26,921 INFO L899 garLoopResultBuilder]: For program point L495(lines 495 499) no Hoare annotation was computed. [2022-11-26 01:06:26,921 INFO L899 garLoopResultBuilder]: For program point L528-1(line 528) no Hoare annotation was computed. [2022-11-26 01:06:26,922 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))) [2022-11-26 01:06:26,922 INFO L899 garLoopResultBuilder]: For program point L462-1(line 462) no Hoare annotation was computed. [2022-11-26 01:06:26,922 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 514) no Hoare annotation was computed. [2022-11-26 01:06:26,922 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 370) no Hoare annotation was computed. [2022-11-26 01:06:26,923 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))) [2022-11-26 01:06:26,923 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 498) no Hoare annotation was computed. [2022-11-26 01:06:26,923 INFO L899 garLoopResultBuilder]: For program point L529-1(line 529) no Hoare annotation was computed. [2022-11-26 01:06:26,923 INFO L899 garLoopResultBuilder]: For program point L463(lines 463 482) no Hoare annotation was computed. [2022-11-26 01:06:26,923 INFO L899 garLoopResultBuilder]: For program point L397(lines 397 416) no Hoare annotation was computed. [2022-11-26 01:06:26,924 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 532) no Hoare annotation was computed. [2022-11-26 01:06:26,924 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))) [2022-11-26 01:06:26,924 INFO L899 garLoopResultBuilder]: For program point L464-1(line 464) no Hoare annotation was computed. [2022-11-26 01:06:26,924 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)))) [2022-11-26 01:06:26,924 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 57 59) the Hoare annotation is: true [2022-11-26 01:06:26,925 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 57 59) no Hoare annotation was computed. [2022-11-26 01:06:26,925 INFO L902 garLoopResultBuilder]: At program point L157(line 157) the Hoare annotation is: true [2022-11-26 01:06:26,925 INFO L899 garLoopResultBuilder]: For program point L157-1(line 157) no Hoare annotation was computed. [2022-11-26 01:06:26,925 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 159) no Hoare annotation was computed. [2022-11-26 01:06:26,925 INFO L902 garLoopResultBuilder]: At program point read_active_side_historyENTRY(lines 143 161) the Hoare annotation is: true [2022-11-26 01:06:26,926 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 159) no Hoare annotation was computed. [2022-11-26 01:06:26,926 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 159) no Hoare annotation was computed. [2022-11-26 01:06:26,926 INFO L899 garLoopResultBuilder]: For program point read_active_side_historyEXIT(lines 143 161) no Hoare annotation was computed. [2022-11-26 01:06:26,926 INFO L899 garLoopResultBuilder]: For program point read_active_side_historyFINAL(lines 143 161) no Hoare annotation was computed. [2022-11-26 01:06:26,930 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-26 01:06:26,933 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 01:06:26,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 01:06:26 BoogieIcfgContainer [2022-11-26 01:06:26,955 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 01:06:26,956 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 01:06:26,956 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 01:06:26,956 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 01:06:26,957 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:06:19" (3/4) ... [2022-11-26 01:06:26,961 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-26 01:06:26,976 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_manual_selection_history [2022-11-26 01:06:26,977 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flip_the_side [2022-11-26 01:06:26,977 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side2_failed_history [2022-11-26 01:06:26,977 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert [2022-11-26 01:06:26,978 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side1_failed_history [2022-11-26 01:06:26,978 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-26 01:06:26,978 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_active_side_history [2022-11-26 01:06:26,994 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2022-11-26 01:06:26,999 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-26 01:06:27,000 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-26 01:06:27,001 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-26 01:06:27,043 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) [2022-11-26 01:06:27,046 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) [2022-11-26 01:06:27,047 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) [2022-11-26 01:06:27,047 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) [2022-11-26 01:06:27,047 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) [2022-11-26 01:06:27,047 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) [2022-11-26 01:06:27,048 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) [2022-11-26 01:06:27,048 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) [2022-11-26 01:06:27,048 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) [2022-11-26 01:06:27,129 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 01:06:27,129 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 01:06:27,130 INFO L158 Benchmark]: Toolchain (without parser) took 9670.19ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 135.1MB in the beginning and 57.6MB in the end (delta: 77.5MB). Peak memory consumption was 115.1MB. Max. memory is 16.1GB. [2022-11-26 01:06:27,130 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory was 89.2MB in the beginning and 89.2MB in the end (delta: 29.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:06:27,131 INFO L158 Benchmark]: CACSL2BoogieTranslator took 547.44ms. Allocated memory is still 169.9MB. Free memory was 135.1MB in the beginning and 117.8MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-26 01:06:27,131 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.73ms. Allocated memory is still 169.9MB. Free memory was 117.8MB in the beginning and 114.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 01:06:27,131 INFO L158 Benchmark]: Boogie Preprocessor took 106.37ms. Allocated memory is still 169.9MB. Free memory was 114.3MB in the beginning and 111.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 01:06:27,132 INFO L158 Benchmark]: RCFGBuilder took 1464.42ms. Allocated memory is still 169.9MB. Free memory was 111.5MB in the beginning and 126.6MB in the end (delta: -15.1MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2022-11-26 01:06:27,132 INFO L158 Benchmark]: TraceAbstraction took 7287.42ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 125.5MB in the beginning and 68.1MB in the end (delta: 57.4MB). Peak memory consumption was 95.0MB. Max. memory is 16.1GB. [2022-11-26 01:06:27,133 INFO L158 Benchmark]: Witness Printer took 173.22ms. Allocated memory is still 205.5MB. Free memory was 68.1MB in the beginning and 57.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-26 01:06:27,135 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory was 89.2MB in the beginning and 89.2MB in the end (delta: 29.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 547.44ms. Allocated memory is still 169.9MB. Free memory was 135.1MB in the beginning and 117.8MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.73ms. Allocated memory is still 169.9MB. Free memory was 117.8MB in the beginning and 114.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 106.37ms. Allocated memory is still 169.9MB. Free memory was 114.3MB in the beginning and 111.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1464.42ms. Allocated memory is still 169.9MB. Free memory was 111.5MB in the beginning and 126.6MB in the end (delta: -15.1MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. * TraceAbstraction took 7287.42ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 125.5MB in the beginning and 68.1MB in the end (delta: 57.4MB). Peak memory consumption was 95.0MB. Max. memory is 16.1GB. * Witness Printer took 173.22ms. Allocated memory is still 205.5MB. Free memory was 68.1MB in the beginning and 57.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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: 7.2s, OverallIterations: 5, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1673 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1595 mSDsluCounter, 3747 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2484 mSDsCounter, 158 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 508 IncrementalHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 158 mSolverCounterUnsat, 1263 mSDtfsCounter, 508 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 354 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=266occurred in iteration=2, 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, 124 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 332 PreInvPairs, 404 NumberOfFragments, 1213 HoareAnnotationTreeSize, 332 FomulaSimplifications, 927 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 49 FomulaSimplificationsInter, 159 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 809 NumberOfCodeBlocks, 809 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 801 ConstructedInterpolants, 0 QuantifiedInterpolants, 1417 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1858 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 441/497 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 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! [2022-11-26 01:06:27,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb0f4b92-00c9-4caf-9cca-4be637f5da4e/bin/utaipan-ByfvJB40ur/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