./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 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_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/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_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/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_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/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 2354c4d30c0335eb0a6c6e03cf8d087a440768412264986840e048ded8afea74 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 22:32:38,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:32:38,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:32:38,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:32:38,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:32:38,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:32:38,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:32:38,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:32:38,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:32:38,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:32:38,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:32:38,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:32:38,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:32:38,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:32:38,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:32:38,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:32:38,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:32:38,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:32:38,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:32:38,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:32:38,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:32:38,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:32:38,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:32:38,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:32:38,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:32:38,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:32:38,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:32:38,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:32:38,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:32:38,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:32:38,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:32:38,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:32:38,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:32:38,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:32:38,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:32:38,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:32:38,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:32:38,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:32:38,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:32:38,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:32:38,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:32:38,762 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-25 22:32:38,806 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:32:38,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:32:38,807 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:32:38,807 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:32:38,808 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:32:38,809 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:32:38,809 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:32:38,809 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:32:38,810 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:32:38,810 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:32:38,811 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:32:38,812 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:32:38,812 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:32:38,812 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:32:38,812 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:32:38,813 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:32:38,813 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:32:38,813 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:32:38,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:32:38,814 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:32:38,814 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:32:38,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:32:38,815 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:32:38,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:32:38,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:32:38,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:32:38,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:32:38,817 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:32:38,817 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:32:38,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:32:38,818 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:32:38,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:32:38,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:32:38,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:32:38,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:32:38,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:32:38,821 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:32:38,821 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:32:38,821 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:32:38,821 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:32:38,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:32:38,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:32:38,822 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:32:38,822 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_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2354c4d30c0335eb0a6c6e03cf8d087a440768412264986840e048ded8afea74 [2022-11-25 22:32:39,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:32:39,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:32:39,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:32:39,169 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:32:39,169 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:32:39,171 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2022-11-25 22:32:42,460 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:32:42,788 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:32:42,788 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2022-11-25 22:32:42,807 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/bin/utaipan-ByfvJB40ur/data/b3d25b5f2/6d88c7d395b6460ca896f065cc37c9af/FLAG666526120 [2022-11-25 22:32:42,822 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/bin/utaipan-ByfvJB40ur/data/b3d25b5f2/6d88c7d395b6460ca896f065cc37c9af [2022-11-25 22:32:42,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:32:42,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:32:42,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:32:42,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:32:42,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:32:42,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:32:42" (1/1) ... [2022-11-25 22:32:42,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f42ac5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:42, skipping insertion in model container [2022-11-25 22:32:42,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:32:42" (1/1) ... [2022-11-25 22:32:42,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:32:42,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:32:43,157 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_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c[14700,14713] [2022-11-25 22:32:43,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:32:43,183 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:32:43,333 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_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c[14700,14713] [2022-11-25 22:32:43,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:32:43,372 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:32:43,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:43 WrapperNode [2022-11-25 22:32:43,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:32:43,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:32:43,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:32:43,376 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:32:43,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:43" (1/1) ... [2022-11-25 22:32:43,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:43" (1/1) ... [2022-11-25 22:32:43,479 INFO L138 Inliner]: procedures = 32, calls = 48, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 484 [2022-11-25 22:32:43,480 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:32:43,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:32:43,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:32:43,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:32:43,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:43" (1/1) ... [2022-11-25 22:32:43,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:43" (1/1) ... [2022-11-25 22:32:43,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:43" (1/1) ... [2022-11-25 22:32:43,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:43" (1/1) ... [2022-11-25 22:32:43,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:43" (1/1) ... [2022-11-25 22:32:43,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:43" (1/1) ... [2022-11-25 22:32:43,520 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:43" (1/1) ... [2022-11-25 22:32:43,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:43" (1/1) ... [2022-11-25 22:32:43,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:32:43,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:32:43,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:32:43,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:32:43,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:43" (1/1) ... [2022-11-25 22:32:43,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:32:43,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:32:43,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:32:43,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:32:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2022-11-25 22:32:43,668 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2022-11-25 22:32:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:32:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2022-11-25 22:32:43,668 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2022-11-25 22:32:43,669 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-11-25 22:32:43,669 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-11-25 22:32:43,669 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2022-11-25 22:32:43,669 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2022-11-25 22:32:43,669 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 22:32:43,670 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 22:32:43,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:32:43,670 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2022-11-25 22:32:43,670 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2022-11-25 22:32:43,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:32:43,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:32:43,671 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2022-11-25 22:32:43,671 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2022-11-25 22:32:43,850 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:32:43,860 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:32:44,632 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:32:44,971 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:32:44,972 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 22:32:44,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:32:44 BoogieIcfgContainer [2022-11-25 22:32:44,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:32:44,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:32:44,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:32:44,982 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:32:44,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:32:42" (1/3) ... [2022-11-25 22:32:44,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11b4a41d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:32:44, skipping insertion in model container [2022-11-25 22:32:44,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:43" (2/3) ... [2022-11-25 22:32:44,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11b4a41d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:32:44, skipping insertion in model container [2022-11-25 22:32:44,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:32:44" (3/3) ... [2022-11-25 22:32:44,986 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2022-11-25 22:32:45,004 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:32:45,005 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 22:32:45,066 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:32:45,074 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;@364488ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:32:45,075 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 22:32:45,081 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) [2022-11-25 22:32:45,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-25 22:32:45,097 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:32:45,098 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] [2022-11-25 22:32:45,099 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:32:45,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:32:45,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1491379421, now seen corresponding path program 1 times [2022-11-25 22:32:45,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:32:45,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835358983] [2022-11-25 22:32:45,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:45,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:32:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:32:45,765 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-25 22:32:45,766 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:32:45,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835358983] [2022-11-25 22:32:45,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835358983] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:32:45,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:32:45,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:32:45,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458561649] [2022-11-25 22:32:45,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:32:45,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:32:45,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:32:45,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:32:45,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:32:45,847 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) [2022-11-25 22:32:46,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:32:46,051 INFO L93 Difference]: Finished difference Result 259 states and 409 transitions. [2022-11-25 22:32:46,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:32:46,054 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 [2022-11-25 22:32:46,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:32:46,071 INFO L225 Difference]: With dead ends: 259 [2022-11-25 22:32:46,071 INFO L226 Difference]: Without dead ends: 255 [2022-11-25 22:32:46,074 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 [2022-11-25 22:32:46,078 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 [2022-11-25 22:32:46,079 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] [2022-11-25 22:32:46,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2022-11-25 22:32:46,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2022-11-25 22:32:46,162 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) [2022-11-25 22:32:46,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 405 transitions. [2022-11-25 22:32:46,169 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 405 transitions. Word has length 55 [2022-11-25 22:32:46,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:32:46,171 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 405 transitions. [2022-11-25 22:32:46,172 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) [2022-11-25 22:32:46,172 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 405 transitions. [2022-11-25 22:32:46,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-25 22:32:46,178 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:32:46,179 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] [2022-11-25 22:32:46,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:32:46,179 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:32:46,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:32:46,180 INFO L85 PathProgramCache]: Analyzing trace with hash -160747495, now seen corresponding path program 1 times [2022-11-25 22:32:46,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:32:46,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661743403] [2022-11-25 22:32:46,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:46,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:32:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:32:46,824 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-25 22:32:46,825 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:32:46,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661743403] [2022-11-25 22:32:46,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661743403] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:32:46,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181643543] [2022-11-25 22:32:46,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:46,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:32:46,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:32:46,831 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:32:46,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:32:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:32:47,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 22:32:47,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:32:47,240 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-25 22:32:47,240 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:32:47,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181643543] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:32:47,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:32:47,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2022-11-25 22:32:47,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208807518] [2022-11-25 22:32:47,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:32:47,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:32:47,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:32:47,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:32:47,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 22:32:47,245 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) [2022-11-25 22:32:47,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:32:47,584 INFO L93 Difference]: Finished difference Result 513 states and 808 transitions. [2022-11-25 22:32:47,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:32:47,585 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 [2022-11-25 22:32:47,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:32:47,588 INFO L225 Difference]: With dead ends: 513 [2022-11-25 22:32:47,588 INFO L226 Difference]: Without dead ends: 289 [2022-11-25 22:32:47,591 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 [2022-11-25 22:32:47,592 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 586 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:32:47,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 595 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 22:32:47,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2022-11-25 22:32:47,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 266. [2022-11-25 22:32:47,636 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) [2022-11-25 22:32:47,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 414 transitions. [2022-11-25 22:32:47,644 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 414 transitions. Word has length 106 [2022-11-25 22:32:47,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:32:47,645 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 414 transitions. [2022-11-25 22:32:47,645 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) [2022-11-25 22:32:47,645 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 414 transitions. [2022-11-25 22:32:47,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-25 22:32:47,650 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:32:47,650 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] [2022-11-25 22:32:47,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:32:47,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:32:47,858 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:32:47,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:32:47,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1879741861, now seen corresponding path program 1 times [2022-11-25 22:32:47,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:32:47,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300222156] [2022-11-25 22:32:47,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:47,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:32:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:32:48,123 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-25 22:32:48,124 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:32:48,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300222156] [2022-11-25 22:32:48,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300222156] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:32:48,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568337373] [2022-11-25 22:32:48,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:48,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:32:48,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:32:48,131 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:32:48,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 22:32:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:32:48,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 22:32:48,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:32:48,455 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-25 22:32:48,456 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:32:48,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [568337373] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:32:48,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:32:48,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2022-11-25 22:32:48,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836732085] [2022-11-25 22:32:48,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:32:48,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:32:48,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:32:48,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:32:48,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-25 22:32:48,462 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) [2022-11-25 22:32:48,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:32:48,825 INFO L93 Difference]: Finished difference Result 589 states and 930 transitions. [2022-11-25 22:32:48,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:32:48,826 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 [2022-11-25 22:32:48,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:32:48,832 INFO L225 Difference]: With dead ends: 589 [2022-11-25 22:32:48,832 INFO L226 Difference]: Without dead ends: 367 [2022-11-25 22:32:48,834 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 [2022-11-25 22:32:48,837 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 [2022-11-25 22:32:48,839 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] [2022-11-25 22:32:48,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2022-11-25 22:32:48,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 266. [2022-11-25 22:32:48,887 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) [2022-11-25 22:32:48,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 413 transitions. [2022-11-25 22:32:48,891 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 413 transitions. Word has length 107 [2022-11-25 22:32:48,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:32:48,893 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 413 transitions. [2022-11-25 22:32:48,894 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) [2022-11-25 22:32:48,894 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 413 transitions. [2022-11-25 22:32:48,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-25 22:32:48,904 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:32:48,904 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] [2022-11-25 22:32:48,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-25 22:32:49,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:32:49,112 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:32:49,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:32:49,113 INFO L85 PathProgramCache]: Analyzing trace with hash -300938979, now seen corresponding path program 1 times [2022-11-25 22:32:49,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:32:49,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374492511] [2022-11-25 22:32:49,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:49,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:32:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:32:49,516 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-25 22:32:49,516 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:32:49,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374492511] [2022-11-25 22:32:49,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374492511] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:32:49,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1102701526] [2022-11-25 22:32:49,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:49,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:32:49,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:32:49,527 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:32:49,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 22:32:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:32:49,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:32:49,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:32:49,872 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-25 22:32:49,872 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:32:49,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1102701526] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:32:49,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:32:49,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-25 22:32:49,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566069986] [2022-11-25 22:32:49,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:32:49,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 22:32:49,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:32:49,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 22:32:49,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:32:49,880 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) [2022-11-25 22:32:50,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:32:50,074 INFO L93 Difference]: Finished difference Result 266 states and 413 transitions. [2022-11-25 22:32:50,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:32:50,075 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 [2022-11-25 22:32:50,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:32:50,077 INFO L225 Difference]: With dead ends: 266 [2022-11-25 22:32:50,078 INFO L226 Difference]: Without dead ends: 265 [2022-11-25 22:32:50,078 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 [2022-11-25 22:32:50,079 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:32:50,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 1346 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:32:50,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2022-11-25 22:32:50,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2022-11-25 22:32:50,103 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) [2022-11-25 22:32:50,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 412 transitions. [2022-11-25 22:32:50,106 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 412 transitions. Word has length 109 [2022-11-25 22:32:50,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:32:50,106 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 412 transitions. [2022-11-25 22:32:50,107 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) [2022-11-25 22:32:50,107 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 412 transitions. [2022-11-25 22:32:50,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-25 22:32:50,109 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:32:50,110 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] [2022-11-25 22:32:50,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 22:32:50,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:32:50,318 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:32:50,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:32:50,319 INFO L85 PathProgramCache]: Analyzing trace with hash -739173235, now seen corresponding path program 1 times [2022-11-25 22:32:50,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:32:50,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744486574] [2022-11-25 22:32:50,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:50,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:32:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:32:50,451 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-25 22:32:50,451 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:32:50,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744486574] [2022-11-25 22:32:50,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744486574] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:32:50,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:32:50,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:32:50,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562350598] [2022-11-25 22:32:50,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:32:50,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:32:50,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:32:50,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:32:50,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:32:50,454 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) [2022-11-25 22:32:50,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:32:50,513 INFO L93 Difference]: Finished difference Result 265 states and 412 transitions. [2022-11-25 22:32:50,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:32:50,513 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 [2022-11-25 22:32:50,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:32:50,515 INFO L225 Difference]: With dead ends: 265 [2022-11-25 22:32:50,515 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 22:32:50,516 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 [2022-11-25 22:32:50,517 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 [2022-11-25 22:32:50,517 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] [2022-11-25 22:32:50,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 22:32:50,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 22:32:50,519 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) [2022-11-25 22:32:50,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 22:32:50,519 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2022-11-25 22:32:50,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:32:50,519 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 22:32:50,520 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) [2022-11-25 22:32:50,520 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 22:32:50,520 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 22:32:50,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 22:32:50,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 22:32:50,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 22:32:50,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 22:32:51,293 INFO L902 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: true [2022-11-25 22:32:51,293 INFO L899 garLoopResultBuilder]: For program point L187-1(line 187) no Hoare annotation was computed. [2022-11-25 22:32:51,294 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 189) no Hoare annotation was computed. [2022-11-25 22:32:51,295 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 189) no Hoare annotation was computed. [2022-11-25 22:32:51,295 INFO L902 garLoopResultBuilder]: At program point read_manual_selection_historyENTRY(lines 173 191) the Hoare annotation is: true [2022-11-25 22:32:51,295 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 189) no Hoare annotation was computed. [2022-11-25 22:32:51,296 INFO L899 garLoopResultBuilder]: For program point read_manual_selection_historyEXIT(lines 173 191) no Hoare annotation was computed. [2022-11-25 22:32:51,296 INFO L899 garLoopResultBuilder]: For program point read_manual_selection_historyFINAL(lines 173 191) no Hoare annotation was computed. [2022-11-25 22:32:51,297 INFO L902 garLoopResultBuilder]: At program point flip_the_sideENTRY(lines 236 248) the Hoare annotation is: true [2022-11-25 22:32:51,297 INFO L899 garLoopResultBuilder]: For program point flip_the_sideEXIT(lines 236 248) no Hoare annotation was computed. [2022-11-25 22:32:51,297 INFO L899 garLoopResultBuilder]: For program point read_side2_failed_historyEXIT(lines 113 131) no Hoare annotation was computed. [2022-11-25 22:32:51,298 INFO L902 garLoopResultBuilder]: At program point L127(line 127) the Hoare annotation is: true [2022-11-25 22:32:51,298 INFO L899 garLoopResultBuilder]: For program point L127-1(line 127) no Hoare annotation was computed. [2022-11-25 22:32:51,298 INFO L902 garLoopResultBuilder]: At program point read_side2_failed_historyENTRY(lines 113 131) the Hoare annotation is: true [2022-11-25 22:32:51,299 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 129) no Hoare annotation was computed. [2022-11-25 22:32:51,299 INFO L899 garLoopResultBuilder]: For program point read_side2_failed_historyFINAL(lines 113 131) no Hoare annotation was computed. [2022-11-25 22:32:51,299 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 129) no Hoare annotation was computed. [2022-11-25 22:32:51,299 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 129) no Hoare annotation was computed. [2022-11-25 22:32:51,300 INFO L902 garLoopResultBuilder]: At program point assertENTRY(lines 612 623) the Hoare annotation is: true [2022-11-25 22:32:51,300 INFO L899 garLoopResultBuilder]: For program point assertEXIT(lines 612 623) no Hoare annotation was computed. [2022-11-25 22:32:51,300 INFO L902 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: true [2022-11-25 22:32:51,300 INFO L899 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2022-11-25 22:32:51,300 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 99) no Hoare annotation was computed. [2022-11-25 22:32:51,300 INFO L899 garLoopResultBuilder]: For program point read_side1_failed_historyFINAL(lines 83 101) no Hoare annotation was computed. [2022-11-25 22:32:51,301 INFO L899 garLoopResultBuilder]: For program point L91(lines 91 99) no Hoare annotation was computed. [2022-11-25 22:32:51,301 INFO L899 garLoopResultBuilder]: For program point read_side1_failed_historyEXIT(lines 83 101) no Hoare annotation was computed. [2022-11-25 22:32:51,301 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 99) no Hoare annotation was computed. [2022-11-25 22:32:51,301 INFO L902 garLoopResultBuilder]: At program point read_side1_failed_historyENTRY(lines 83 101) the Hoare annotation is: true [2022-11-25 22:32:51,301 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)) [2022-11-25 22:32:51,302 INFO L899 garLoopResultBuilder]: For program point L564-1(line 564) no Hoare annotation was computed. [2022-11-25 22:32:51,302 INFO L899 garLoopResultBuilder]: For program point L465(lines 465 481) no Hoare annotation was computed. [2022-11-25 22:32:51,302 INFO L899 garLoopResultBuilder]: For program point L366-1(lines 347 370) no Hoare annotation was computed. [2022-11-25 22:32:51,303 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)))) [2022-11-25 22:32:51,303 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 370) no Hoare annotation was computed. [2022-11-25 22:32:51,304 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-25 22:32:51,304 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2022-11-25 22:32:51,304 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 416) no Hoare annotation was computed. [2022-11-25 22:32:51,304 INFO L899 garLoopResultBuilder]: For program point L466-2(lines 465 481) no Hoare annotation was computed. [2022-11-25 22:32:51,304 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)))) [2022-11-25 22:32:51,305 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 340) no Hoare annotation was computed. [2022-11-25 22:32:51,305 INFO L899 garLoopResultBuilder]: For program point L367-1(line 367) no Hoare annotation was computed. [2022-11-25 22:32:51,305 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)))) [2022-11-25 22:32:51,305 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))) [2022-11-25 22:32:51,306 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2022-11-25 22:32:51,306 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)))) [2022-11-25 22:32:51,306 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 469) no Hoare annotation was computed. [2022-11-25 22:32:51,306 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2022-11-25 22:32:51,306 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 306) no Hoare annotation was computed. [2022-11-25 22:32:51,307 INFO L899 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2022-11-25 22:32:51,307 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)))) [2022-11-25 22:32:51,307 INFO L899 garLoopResultBuilder]: For program point L386-1(line 386) no Hoare annotation was computed. [2022-11-25 22:32:51,307 INFO L899 garLoopResultBuilder]: For program point L502(line 502) no Hoare annotation was computed. [2022-11-25 22:32:51,307 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 536) no Hoare annotation was computed. [2022-11-25 22:32:51,307 INFO L899 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2022-11-25 22:32:51,308 INFO L899 garLoopResultBuilder]: For program point L519-1(lines 519 536) no Hoare annotation was computed. [2022-11-25 22:32:51,308 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 517) no Hoare annotation was computed. [2022-11-25 22:32:51,308 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))) [2022-11-25 22:32:51,308 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))) [2022-11-25 22:32:51,308 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 501) no Hoare annotation was computed. [2022-11-25 22:32:51,309 INFO L899 garLoopResultBuilder]: For program point L520-1(line 520) no Hoare annotation was computed. [2022-11-25 22:32:51,309 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))) [2022-11-25 22:32:51,309 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 22:32:51,309 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))) [2022-11-25 22:32:51,309 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))) [2022-11-25 22:32:51,310 INFO L899 garLoopResultBuilder]: For program point L504-1(line 504) no Hoare annotation was computed. [2022-11-25 22:32:51,310 INFO L899 garLoopResultBuilder]: For program point L471-1(lines 465 481) no Hoare annotation was computed. [2022-11-25 22:32:51,310 INFO L899 garLoopResultBuilder]: For program point L521(lines 521 535) no Hoare annotation was computed. [2022-11-25 22:32:51,310 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))) [2022-11-25 22:32:51,312 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))) [2022-11-25 22:32:51,313 INFO L899 garLoopResultBuilder]: For program point L488-1(line 488) no Hoare annotation was computed. [2022-11-25 22:32:51,313 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 313) no Hoare annotation was computed. [2022-11-25 22:32:51,314 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 516) no Hoare annotation was computed. [2022-11-25 22:32:51,314 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2022-11-25 22:32:51,314 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))) [2022-11-25 22:32:51,315 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 500) no Hoare annotation was computed. [2022-11-25 22:32:51,315 INFO L899 garLoopResultBuilder]: For program point L522-1(line 522) no Hoare annotation was computed. [2022-11-25 22:32:51,315 INFO L899 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2022-11-25 22:32:51,315 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)))) [2022-11-25 22:32:51,315 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))) [2022-11-25 22:32:51,316 INFO L899 garLoopResultBuilder]: For program point L605-1(line 605) no Hoare annotation was computed. [2022-11-25 22:32:51,316 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))) [2022-11-25 22:32:51,316 INFO L899 garLoopResultBuilder]: For program point L506-1(line 506) no Hoare annotation was computed. [2022-11-25 22:32:51,316 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))) [2022-11-25 22:32:51,316 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)))) [2022-11-25 22:32:51,317 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))) [2022-11-25 22:32:51,317 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))) [2022-11-25 22:32:51,317 INFO L899 garLoopResultBuilder]: For program point L523-1(line 523) no Hoare annotation was computed. [2022-11-25 22:32:51,317 INFO L899 garLoopResultBuilder]: For program point L457(lines 457 485) no Hoare annotation was computed. [2022-11-25 22:32:51,317 INFO L899 garLoopResultBuilder]: For program point L490-1(line 490) no Hoare annotation was computed. [2022-11-25 22:32:51,318 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))) [2022-11-25 22:32:51,318 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 606) no Hoare annotation was computed. [2022-11-25 22:32:51,318 INFO L899 garLoopResultBuilder]: For program point L606(line 606) no Hoare annotation was computed. [2022-11-25 22:32:51,318 INFO L899 garLoopResultBuilder]: For program point L606-1(line 606) no Hoare annotation was computed. [2022-11-25 22:32:51,318 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 509) no Hoare annotation was computed. [2022-11-25 22:32:51,319 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))) [2022-11-25 22:32:51,319 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)))) [2022-11-25 22:32:51,319 INFO L899 garLoopResultBuilder]: For program point L309-1(lines 290 313) no Hoare annotation was computed. [2022-11-25 22:32:51,319 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 534) no Hoare annotation was computed. [2022-11-25 22:32:51,319 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 493) no Hoare annotation was computed. [2022-11-25 22:32:51,320 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))) [2022-11-25 22:32:51,320 INFO L899 garLoopResultBuilder]: For program point L458-1(line 458) no Hoare annotation was computed. [2022-11-25 22:32:51,320 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 363) no Hoare annotation was computed. [2022-11-25 22:32:51,320 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 313) no Hoare annotation was computed. [2022-11-25 22:32:51,320 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 606) no Hoare annotation was computed. [2022-11-25 22:32:51,321 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)))) [2022-11-25 22:32:51,321 INFO L899 garLoopResultBuilder]: For program point L277(lines 277 283) no Hoare annotation was computed. [2022-11-25 22:32:51,321 INFO L899 garLoopResultBuilder]: For program point L310-1(line 310) no Hoare annotation was computed. [2022-11-25 22:32:51,322 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))) [2022-11-25 22:32:51,322 INFO L899 garLoopResultBuilder]: For program point L525-1(line 525) no Hoare annotation was computed. [2022-11-25 22:32:51,322 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 484) no Hoare annotation was computed. [2022-11-25 22:32:51,322 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 298) no Hoare annotation was computed. [2022-11-25 22:32:51,323 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))) [2022-11-25 22:32:51,323 INFO L899 garLoopResultBuilder]: For program point L526-1(line 526) no Hoare annotation was computed. [2022-11-25 22:32:51,323 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))) [2022-11-25 22:32:51,323 INFO L899 garLoopResultBuilder]: For program point L460-1(line 460) no Hoare annotation was computed. [2022-11-25 22:32:51,323 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 416) no Hoare annotation was computed. [2022-11-25 22:32:51,324 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))) [2022-11-25 22:32:51,324 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 479) no Hoare annotation was computed. [2022-11-25 22:32:51,324 INFO L899 garLoopResultBuilder]: For program point L510-1(line 510) no Hoare annotation was computed. [2022-11-25 22:32:51,324 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 533) no Hoare annotation was computed. [2022-11-25 22:32:51,324 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))) [2022-11-25 22:32:51,325 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 483) no Hoare annotation was computed. [2022-11-25 22:32:51,325 INFO L899 garLoopResultBuilder]: For program point L494-1(line 494) no Hoare annotation was computed. [2022-11-25 22:32:51,325 INFO L899 garLoopResultBuilder]: For program point L511(lines 511 515) no Hoare annotation was computed. [2022-11-25 22:32:51,325 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))) [2022-11-25 22:32:51,325 INFO L899 garLoopResultBuilder]: For program point L495(lines 495 499) no Hoare annotation was computed. [2022-11-25 22:32:51,325 INFO L899 garLoopResultBuilder]: For program point L528-1(line 528) no Hoare annotation was computed. [2022-11-25 22:32:51,326 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))) [2022-11-25 22:32:51,326 INFO L899 garLoopResultBuilder]: For program point L462-1(line 462) no Hoare annotation was computed. [2022-11-25 22:32:51,326 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 514) no Hoare annotation was computed. [2022-11-25 22:32:51,326 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 370) no Hoare annotation was computed. [2022-11-25 22:32:51,326 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))) [2022-11-25 22:32:51,327 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 498) no Hoare annotation was computed. [2022-11-25 22:32:51,327 INFO L899 garLoopResultBuilder]: For program point L529-1(line 529) no Hoare annotation was computed. [2022-11-25 22:32:51,327 INFO L899 garLoopResultBuilder]: For program point L463(lines 463 482) no Hoare annotation was computed. [2022-11-25 22:32:51,327 INFO L899 garLoopResultBuilder]: For program point L397(lines 397 416) no Hoare annotation was computed. [2022-11-25 22:32:51,328 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 532) no Hoare annotation was computed. [2022-11-25 22:32:51,328 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))) [2022-11-25 22:32:51,328 INFO L899 garLoopResultBuilder]: For program point L464-1(line 464) no Hoare annotation was computed. [2022-11-25 22:32:51,328 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)))) [2022-11-25 22:32:51,328 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 57 59) the Hoare annotation is: true [2022-11-25 22:32:51,329 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 57 59) no Hoare annotation was computed. [2022-11-25 22:32:51,329 INFO L902 garLoopResultBuilder]: At program point L157(line 157) the Hoare annotation is: true [2022-11-25 22:32:51,329 INFO L899 garLoopResultBuilder]: For program point L157-1(line 157) no Hoare annotation was computed. [2022-11-25 22:32:51,329 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 159) no Hoare annotation was computed. [2022-11-25 22:32:51,329 INFO L902 garLoopResultBuilder]: At program point read_active_side_historyENTRY(lines 143 161) the Hoare annotation is: true [2022-11-25 22:32:51,329 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 159) no Hoare annotation was computed. [2022-11-25 22:32:51,329 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 159) no Hoare annotation was computed. [2022-11-25 22:32:51,330 INFO L899 garLoopResultBuilder]: For program point read_active_side_historyEXIT(lines 143 161) no Hoare annotation was computed. [2022-11-25 22:32:51,330 INFO L899 garLoopResultBuilder]: For program point read_active_side_historyFINAL(lines 143 161) no Hoare annotation was computed. [2022-11-25 22:32:51,334 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-25 22:32:51,336 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 22:32:51,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 10:32:51 BoogieIcfgContainer [2022-11-25 22:32:51,369 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 22:32:51,369 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 22:32:51,369 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 22:32:51,370 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 22:32:51,370 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:32:44" (3/4) ... [2022-11-25 22:32:51,380 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 22:32:51,386 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_manual_selection_history [2022-11-25 22:32:51,387 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flip_the_side [2022-11-25 22:32:51,387 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side2_failed_history [2022-11-25 22:32:51,387 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert [2022-11-25 22:32:51,387 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side1_failed_history [2022-11-25 22:32:51,388 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-25 22:32:51,388 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_active_side_history [2022-11-25 22:32:51,410 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2022-11-25 22:32:51,410 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-25 22:32:51,411 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 22:32:51,412 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 22:32:51,451 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) [2022-11-25 22:32:51,454 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) [2022-11-25 22:32:51,454 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) [2022-11-25 22:32:51,455 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) [2022-11-25 22:32:51,455 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) [2022-11-25 22:32:51,455 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) [2022-11-25 22:32:51,456 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) [2022-11-25 22:32:51,456 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) [2022-11-25 22:32:51,456 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) [2022-11-25 22:32:51,532 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 22:32:51,534 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 22:32:51,534 INFO L158 Benchmark]: Toolchain (without parser) took 8697.90ms. Allocated memory was 163.6MB in the beginning and 297.8MB in the end (delta: 134.2MB). Free memory was 127.7MB in the beginning and 217.2MB in the end (delta: -89.4MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2022-11-25 22:32:51,538 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 163.6MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:32:51,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 535.64ms. Allocated memory is still 163.6MB. Free memory was 127.1MB in the beginning and 109.9MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 22:32:51,539 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.51ms. Allocated memory is still 163.6MB. Free memory was 109.9MB in the beginning and 106.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 22:32:51,539 INFO L158 Benchmark]: Boogie Preprocessor took 46.93ms. Allocated memory is still 163.6MB. Free memory was 106.3MB in the beginning and 103.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:32:51,540 INFO L158 Benchmark]: RCFGBuilder took 1446.62ms. Allocated memory was 163.6MB in the beginning and 247.5MB in the end (delta: 83.9MB). Free memory was 103.6MB in the beginning and 200.4MB in the end (delta: -96.7MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2022-11-25 22:32:51,540 INFO L158 Benchmark]: TraceAbstraction took 6390.66ms. Allocated memory was 247.5MB in the beginning and 297.8MB in the end (delta: 50.3MB). Free memory was 199.3MB in the beginning and 227.7MB in the end (delta: -28.3MB). Peak memory consumption was 132.5MB. Max. memory is 16.1GB. [2022-11-25 22:32:51,541 INFO L158 Benchmark]: Witness Printer took 164.65ms. Allocated memory is still 297.8MB. Free memory was 227.7MB in the beginning and 217.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 22:32:51,543 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 163.6MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 535.64ms. Allocated memory is still 163.6MB. Free memory was 127.1MB in the beginning and 109.9MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.51ms. Allocated memory is still 163.6MB. Free memory was 109.9MB in the beginning and 106.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.93ms. Allocated memory is still 163.6MB. Free memory was 106.3MB in the beginning and 103.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1446.62ms. Allocated memory was 163.6MB in the beginning and 247.5MB in the end (delta: 83.9MB). Free memory was 103.6MB in the beginning and 200.4MB in the end (delta: -96.7MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. * TraceAbstraction took 6390.66ms. Allocated memory was 247.5MB in the beginning and 297.8MB in the end (delta: 50.3MB). Free memory was 199.3MB in the beginning and 227.7MB in the end (delta: -28.3MB). Peak memory consumption was 132.5MB. Max. memory is 16.1GB. * Witness Printer took 164.65ms. Allocated memory is still 297.8MB. Free memory was 227.7MB in the beginning and 217.2MB 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: 6.3s, OverallIterations: 5, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1673 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1595 mSDsluCounter, 3747 SdHoareTripleChecker+Invalid, 0.6s 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, 0.2s 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, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.9s 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! [2022-11-25 22:32:51,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c82b072-8f3e-4847-a8b8-bb3e7219abe1/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