./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6ff1cedc7411bab7c4dff496b498f1be2a7af9e572a1448d390780005c75fec3 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:10:43,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:10:43,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:10:43,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:10:43,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:10:43,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:10:43,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:10:43,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:10:43,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:10:43,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:10:43,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:10:43,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:10:43,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:10:43,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:10:43,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:10:43,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:10:43,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:10:43,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:10:43,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:10:43,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:10:43,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:10:43,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:10:43,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:10:43,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:10:43,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:10:43,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:10:43,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:10:43,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:10:43,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:10:43,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:10:43,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:10:43,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:10:43,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:10:43,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:10:43,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:10:43,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:10:43,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:10:43,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:10:43,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:10:43,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:10:43,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:10:43,824 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 19:10:43,866 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:10:43,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:10:43,868 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:10:43,868 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:10:43,875 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:10:43,875 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:10:43,876 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:10:43,876 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:10:43,876 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:10:43,876 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:10:43,877 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:10:43,878 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:10:43,878 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:10:43,878 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:10:43,878 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:10:43,879 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:10:43,879 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:10:43,879 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:10:43,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:10:43,880 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:10:43,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:10:43,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:10:43,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:10:43,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:10:43,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:10:43,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:10:43,884 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:10:43,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:10:43,884 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:10:43,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:10:43,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:10:43,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:10:43,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:10:43,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:10:43,886 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:10:43,886 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:10:43,886 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:10:43,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:10:43,887 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:10:43,887 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:10:43,887 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:10:43,887 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ff1cedc7411bab7c4dff496b498f1be2a7af9e572a1448d390780005c75fec3 [2021-11-25 19:10:44,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:10:44,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:10:44,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:10:44,179 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:10:44,180 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:10:44,181 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c [2021-11-25 19:10:44,288 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/data/b74f89d91/ba0e772d659a4ebeadec5efdfe6e1ce6/FLAG15c9fc43f [2021-11-25 19:10:44,818 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:10:44,819 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c [2021-11-25 19:10:44,830 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/data/b74f89d91/ba0e772d659a4ebeadec5efdfe6e1ce6/FLAG15c9fc43f [2021-11-25 19:10:45,155 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/data/b74f89d91/ba0e772d659a4ebeadec5efdfe6e1ce6 [2021-11-25 19:10:45,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:10:45,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:10:45,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:10:45,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:10:45,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:10:45,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:10:45" (1/1) ... [2021-11-25 19:10:45,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4484e2f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:10:45, skipping insertion in model container [2021-11-25 19:10:45,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:10:45" (1/1) ... [2021-11-25 19:10:45,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:10:45,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:10:45,507 WARN L230 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_7a4a5849-fe13-4b22-969a-311e06640be9/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c[12106,12119] [2021-11-25 19:10:45,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:10:45,520 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:10:45,580 WARN L230 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_7a4a5849-fe13-4b22-969a-311e06640be9/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c[12106,12119] [2021-11-25 19:10:45,581 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:10:45,597 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:10:45,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:10:45 WrapperNode [2021-11-25 19:10:45,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:10:45,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:10:45,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:10:45,599 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:10:45,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:10:45" (1/1) ... [2021-11-25 19:10:45,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:10:45" (1/1) ... [2021-11-25 19:10:45,664 INFO L137 Inliner]: procedures = 28, calls = 51, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 407 [2021-11-25 19:10:45,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:10:45,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:10:45,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:10:45,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:10:45,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:10:45" (1/1) ... [2021-11-25 19:10:45,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:10:45" (1/1) ... [2021-11-25 19:10:45,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:10:45" (1/1) ... [2021-11-25 19:10:45,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:10:45" (1/1) ... [2021-11-25 19:10:45,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:10:45" (1/1) ... [2021-11-25 19:10:45,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:10:45" (1/1) ... [2021-11-25 19:10:45,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:10:45" (1/1) ... [2021-11-25 19:10:45,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:10:45,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:10:45,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:10:45,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:10:45,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:10:45" (1/1) ... [2021-11-25 19:10:45,777 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:10:45,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:10:45,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:10:45,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:10:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:10:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_bool [2021-11-25 19:10:45,860 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_bool [2021-11-25 19:10:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-11-25 19:10:45,861 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-11-25 19:10:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_int8 [2021-11-25 19:10:45,861 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_int8 [2021-11-25 19:10:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_bool [2021-11-25 19:10:45,862 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_bool [2021-11-25 19:10:45,862 INFO L130 BoogieDeclarations]: Found specification of procedure add_history_type [2021-11-25 19:10:45,862 INFO L138 BoogieDeclarations]: Found implementation of procedure add_history_type [2021-11-25 19:10:45,862 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 19:10:45,862 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 19:10:45,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:10:45,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:10:45,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:10:46,046 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:10:46,050 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:10:46,649 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:10:46,792 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:10:46,792 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 19:10:46,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:10:46 BoogieIcfgContainer [2021-11-25 19:10:46,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:10:46,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:10:46,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:10:46,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:10:46,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:10:45" (1/3) ... [2021-11-25 19:10:46,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae599fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:10:46, skipping insertion in model container [2021-11-25 19:10:46,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:10:45" (2/3) ... [2021-11-25 19:10:46,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae599fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:10:46, skipping insertion in model container [2021-11-25 19:10:46,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:10:46" (3/3) ... [2021-11-25 19:10:46,806 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c [2021-11-25 19:10:46,816 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:10:46,816 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:10:46,873 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:10:46,880 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 19:10:46,881 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:10:46,904 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 99 states have (on average 1.494949494949495) internal successors, (148), 104 states have internal predecessors, (148), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2021-11-25 19:10:46,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 19:10:46,911 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:10:46,912 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:10:46,913 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:10:46,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:10:46,919 INFO L85 PathProgramCache]: Analyzing trace with hash 524804534, now seen corresponding path program 1 times [2021-11-25 19:10:46,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:10:46,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802111747] [2021-11-25 19:10:46,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:46,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:10:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:10:47,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:10:47,163 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:10:47,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802111747] [2021-11-25 19:10:47,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802111747] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:10:47,180 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:10:47,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:10:47,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814409723] [2021-11-25 19:10:47,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:10:47,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:10:47,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:10:47,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:10:47,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:10:47,221 INFO L87 Difference]: Start difference. First operand has 144 states, 99 states have (on average 1.494949494949495) internal successors, (148), 104 states have internal predecessors, (148), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:47,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:10:47,513 INFO L93 Difference]: Finished difference Result 291 states and 484 transitions. [2021-11-25 19:10:47,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:10:47,516 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-25 19:10:47,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:10:47,533 INFO L225 Difference]: With dead ends: 291 [2021-11-25 19:10:47,533 INFO L226 Difference]: Without dead ends: 149 [2021-11-25 19:10:47,547 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:10:47,554 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 6 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:10:47,556 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 564 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 19:10:47,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2021-11-25 19:10:47,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 147. [2021-11-25 19:10:47,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 102 states have (on average 1.4607843137254901) internal successors, (149), 106 states have internal predecessors, (149), 37 states have call successors, (37), 7 states have call predecessors, (37), 7 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2021-11-25 19:10:47,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 223 transitions. [2021-11-25 19:10:47,637 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 223 transitions. Word has length 14 [2021-11-25 19:10:47,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:10:47,638 INFO L470 AbstractCegarLoop]: Abstraction has 147 states and 223 transitions. [2021-11-25 19:10:47,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:47,639 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 223 transitions. [2021-11-25 19:10:47,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 19:10:47,641 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:10:47,642 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:10:47,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:10:47,643 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:10:47,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:10:47,646 INFO L85 PathProgramCache]: Analyzing trace with hash -236073605, now seen corresponding path program 1 times [2021-11-25 19:10:47,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:10:47,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255535501] [2021-11-25 19:10:47,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:47,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:10:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:10:47,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:10:47,735 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:10:47,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255535501] [2021-11-25 19:10:47,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255535501] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:10:47,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:10:47,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:10:47,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312808832] [2021-11-25 19:10:47,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:10:47,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:10:47,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:10:47,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:10:47,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:10:47,740 INFO L87 Difference]: Start difference. First operand 147 states and 223 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:47,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:10:47,883 INFO L93 Difference]: Finished difference Result 306 states and 468 transitions. [2021-11-25 19:10:47,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:10:47,888 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-25 19:10:47,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:10:47,900 INFO L225 Difference]: With dead ends: 306 [2021-11-25 19:10:47,900 INFO L226 Difference]: Without dead ends: 161 [2021-11-25 19:10:47,905 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:10:47,907 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 22 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:10:47,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 575 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 19:10:47,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2021-11-25 19:10:47,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 159. [2021-11-25 19:10:47,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 112 states have (on average 1.4464285714285714) internal successors, (162), 116 states have internal predecessors, (162), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2021-11-25 19:10:47,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 238 transitions. [2021-11-25 19:10:47,952 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 238 transitions. Word has length 15 [2021-11-25 19:10:47,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:10:47,953 INFO L470 AbstractCegarLoop]: Abstraction has 159 states and 238 transitions. [2021-11-25 19:10:47,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:47,954 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 238 transitions. [2021-11-25 19:10:47,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 19:10:47,963 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:10:47,963 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:10:47,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:10:47,964 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:10:47,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:10:47,964 INFO L85 PathProgramCache]: Analyzing trace with hash 214952490, now seen corresponding path program 1 times [2021-11-25 19:10:47,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:10:47,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870670904] [2021-11-25 19:10:47,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:47,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:10:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:10:48,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:10:48,031 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:10:48,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870670904] [2021-11-25 19:10:48,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870670904] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:10:48,032 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:10:48,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:10:48,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121880855] [2021-11-25 19:10:48,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:10:48,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:10:48,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:10:48,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:10:48,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:10:48,035 INFO L87 Difference]: Start difference. First operand 159 states and 238 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:10:48,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:10:48,104 INFO L93 Difference]: Finished difference Result 338 states and 514 transitions. [2021-11-25 19:10:48,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:10:48,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2021-11-25 19:10:48,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:10:48,108 INFO L225 Difference]: With dead ends: 338 [2021-11-25 19:10:48,108 INFO L226 Difference]: Without dead ends: 188 [2021-11-25 19:10:48,109 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:10:48,111 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 22 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:10:48,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 393 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 19:10:48,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-11-25 19:10:48,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 161. [2021-11-25 19:10:48,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 114 states have (on average 1.4385964912280702) internal successors, (164), 118 states have internal predecessors, (164), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2021-11-25 19:10:48,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 240 transitions. [2021-11-25 19:10:48,132 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 240 transitions. Word has length 22 [2021-11-25 19:10:48,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:10:48,132 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 240 transitions. [2021-11-25 19:10:48,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:10:48,133 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 240 transitions. [2021-11-25 19:10:48,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:10:48,134 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:10:48,134 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-25 19:10:48,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 19:10:48,135 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:10:48,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:10:48,136 INFO L85 PathProgramCache]: Analyzing trace with hash -885289892, now seen corresponding path program 1 times [2021-11-25 19:10:48,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:10:48,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881521299] [2021-11-25 19:10:48,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:48,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:10:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:10:48,203 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:10:48,203 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:10:48,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881521299] [2021-11-25 19:10:48,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881521299] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:10:48,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:10:48,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:10:48,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570952293] [2021-11-25 19:10:48,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:10:48,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:10:48,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:10:48,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:10:48,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:10:48,206 INFO L87 Difference]: Start difference. First operand 161 states and 240 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 19:10:48,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:10:48,361 INFO L93 Difference]: Finished difference Result 395 states and 605 transitions. [2021-11-25 19:10:48,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:10:48,361 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2021-11-25 19:10:48,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:10:48,366 INFO L225 Difference]: With dead ends: 395 [2021-11-25 19:10:48,367 INFO L226 Difference]: Without dead ends: 248 [2021-11-25 19:10:48,368 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:10:48,377 INFO L933 BasicCegarLoop]: 221 mSDtfsCounter, 83 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 853 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:10:48,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 853 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 19:10:48,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2021-11-25 19:10:48,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 165. [2021-11-25 19:10:48,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 117 states have (on average 1.4273504273504274) internal successors, (167), 121 states have internal predecessors, (167), 38 states have call successors, (38), 8 states have call predecessors, (38), 9 states have return successors, (39), 39 states have call predecessors, (39), 38 states have call successors, (39) [2021-11-25 19:10:48,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 244 transitions. [2021-11-25 19:10:48,410 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 244 transitions. Word has length 30 [2021-11-25 19:10:48,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:10:48,411 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 244 transitions. [2021-11-25 19:10:48,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 19:10:48,411 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 244 transitions. [2021-11-25 19:10:48,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 19:10:48,422 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:10:48,422 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-25 19:10:48,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 19:10:48,423 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:10:48,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:10:48,423 INFO L85 PathProgramCache]: Analyzing trace with hash -2137679735, now seen corresponding path program 1 times [2021-11-25 19:10:48,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:10:48,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134475500] [2021-11-25 19:10:48,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:48,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:10:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:10:48,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:10:48,543 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:10:48,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134475500] [2021-11-25 19:10:48,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134475500] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:10:48,543 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:10:48,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:10:48,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41567404] [2021-11-25 19:10:48,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:10:48,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:10:48,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:10:48,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:10:48,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:10:48,546 INFO L87 Difference]: Start difference. First operand 165 states and 244 transitions. Second operand has 5 states, 3 states have (on average 7.666666666666667) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-25 19:10:48,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:10:48,679 INFO L93 Difference]: Finished difference Result 279 states and 415 transitions. [2021-11-25 19:10:48,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:10:48,679 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 7.666666666666667) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2021-11-25 19:10:48,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:10:48,682 INFO L225 Difference]: With dead ends: 279 [2021-11-25 19:10:48,683 INFO L226 Difference]: Without dead ends: 161 [2021-11-25 19:10:48,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:10:48,690 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 81 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:10:48,691 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 666 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 19:10:48,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2021-11-25 19:10:48,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2021-11-25 19:10:48,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 114 states have (on average 1.4035087719298245) internal successors, (160), 118 states have internal predecessors, (160), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2021-11-25 19:10:48,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 236 transitions. [2021-11-25 19:10:48,717 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 236 transitions. Word has length 31 [2021-11-25 19:10:48,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:10:48,718 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 236 transitions. [2021-11-25 19:10:48,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 7.666666666666667) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-25 19:10:48,718 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 236 transitions. [2021-11-25 19:10:48,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 19:10:48,719 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:10:48,720 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-25 19:10:48,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 19:10:48,720 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:10:48,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:10:48,721 INFO L85 PathProgramCache]: Analyzing trace with hash 32724522, now seen corresponding path program 1 times [2021-11-25 19:10:48,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:10:48,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863865693] [2021-11-25 19:10:48,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:48,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:10:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:10:48,803 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:10:48,803 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:10:48,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863865693] [2021-11-25 19:10:48,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863865693] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:10:48,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840949226] [2021-11-25 19:10:48,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:48,804 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:10:48,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:10:48,809 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:10:48,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 19:10:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:10:48,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:10:48,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:10:49,086 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:10:49,086 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:10:49,188 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:10:49,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840949226] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:10:49,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [71268214] [2021-11-25 19:10:49,216 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2021-11-25 19:10:49,216 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:10:49,221 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:10:49,227 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:10:49,228 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:10:50,154 INFO L197 IcfgInterpreter]: Interpreting procedure add_history_type with input of size 120 for LOIs [2021-11-25 19:10:52,134 INFO L197 IcfgInterpreter]: Interpreting procedure read_history_bool with input of size 83 for LOIs [2021-11-25 19:10:52,176 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 19:10:55,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [71268214] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:10:55,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-25 19:10:55,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [4, 4, 4] total 21 [2021-11-25 19:10:55,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831799871] [2021-11-25 19:10:55,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:10:55,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-25 19:10:55,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:10:55,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-25 19:10:55,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2021-11-25 19:10:55,589 INFO L87 Difference]: Start difference. First operand 161 states and 236 transitions. Second operand has 17 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 12 states have internal predecessors, (23), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:11:00,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:11:00,700 INFO L93 Difference]: Finished difference Result 359 states and 528 transitions. [2021-11-25 19:11:00,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-25 19:11:00,707 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 12 states have internal predecessors, (23), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 32 [2021-11-25 19:11:00,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:11:00,716 INFO L225 Difference]: With dead ends: 359 [2021-11-25 19:11:00,717 INFO L226 Difference]: Without dead ends: 201 [2021-11-25 19:11:00,731 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 77 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=136, Invalid=734, Unknown=0, NotChecked=0, Total=870 [2021-11-25 19:11:00,732 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 87 mSDsluCounter, 1159 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 1290 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:11:00,732 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [97 Valid, 1290 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 822 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 19:11:00,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-11-25 19:11:00,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 192. [2021-11-25 19:11:00,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 139 states have (on average 1.4028776978417266) internal successors, (195), 143 states have internal predecessors, (195), 42 states have call successors, (42), 10 states have call predecessors, (42), 10 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2021-11-25 19:11:00,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 279 transitions. [2021-11-25 19:11:00,760 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 279 transitions. Word has length 32 [2021-11-25 19:11:00,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:11:00,761 INFO L470 AbstractCegarLoop]: Abstraction has 192 states and 279 transitions. [2021-11-25 19:11:00,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 12 states have internal predecessors, (23), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:11:00,761 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 279 transitions. [2021-11-25 19:11:00,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 19:11:00,763 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:11:00,764 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-25 19:11:00,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-25 19:11:00,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:11:00,980 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:11:00,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:11:00,981 INFO L85 PathProgramCache]: Analyzing trace with hash 477003003, now seen corresponding path program 1 times [2021-11-25 19:11:00,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:11:00,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078538916] [2021-11-25 19:11:00,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:11:00,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:11:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:11:01,029 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:11:01,029 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:11:01,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078538916] [2021-11-25 19:11:01,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078538916] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:11:01,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228977830] [2021-11-25 19:11:01,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:11:01,030 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:11:01,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:11:01,045 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:11:01,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 19:11:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:11:01,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:11:01,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:11:01,178 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:11:01,178 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:11:01,236 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:11:01,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228977830] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:11:01,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [232940504] [2021-11-25 19:11:01,240 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2021-11-25 19:11:01,240 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:11:01,240 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:11:01,240 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:11:01,240 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:11:01,691 INFO L197 IcfgInterpreter]: Interpreting procedure add_history_type with input of size 120 for LOIs [2021-11-25 19:11:03,728 INFO L197 IcfgInterpreter]: Interpreting procedure read_history_bool with input of size 96 for LOIs [2021-11-25 19:11:03,952 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 19:11:07,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [232940504] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:11:07,607 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-25 19:11:07,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [4, 4, 4] total 21 [2021-11-25 19:11:07,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742479842] [2021-11-25 19:11:07,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:11:07,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-25 19:11:07,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:11:07,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-25 19:11:07,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2021-11-25 19:11:07,610 INFO L87 Difference]: Start difference. First operand 192 states and 279 transitions. Second operand has 17 states, 16 states have (on average 1.375) internal successors, (22), 13 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:11:11,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:11:11,358 INFO L93 Difference]: Finished difference Result 381 states and 560 transitions. [2021-11-25 19:11:11,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-25 19:11:11,359 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.375) internal successors, (22), 13 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 32 [2021-11-25 19:11:11,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:11:11,361 INFO L225 Difference]: With dead ends: 381 [2021-11-25 19:11:11,361 INFO L226 Difference]: Without dead ends: 206 [2021-11-25 19:11:11,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 76 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=105, Invalid=597, Unknown=0, NotChecked=0, Total=702 [2021-11-25 19:11:11,363 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 86 mSDsluCounter, 1415 mSDsCounter, 0 mSdLazyCounter, 977 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 1539 SdHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 977 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:11:11,364 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 1539 Invalid, 999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 977 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 19:11:11,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-11-25 19:11:11,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 197. [2021-11-25 19:11:11,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 143 states have (on average 1.3916083916083917) internal successors, (199), 147 states have internal predecessors, (199), 42 states have call successors, (42), 11 states have call predecessors, (42), 11 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2021-11-25 19:11:11,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 283 transitions. [2021-11-25 19:11:11,409 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 283 transitions. Word has length 32 [2021-11-25 19:11:11,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:11:11,412 INFO L470 AbstractCegarLoop]: Abstraction has 197 states and 283 transitions. [2021-11-25 19:11:11,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 1.375) internal successors, (22), 13 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:11:11,412 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 283 transitions. [2021-11-25 19:11:11,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 19:11:11,416 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:11:11,416 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 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] [2021-11-25 19:11:11,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 19:11:11,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-25 19:11:11,632 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:11:11,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:11:11,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1922481380, now seen corresponding path program 1 times [2021-11-25 19:11:11,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:11:11,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41692670] [2021-11-25 19:11:11,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:11:11,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:11:11,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:11:11,666 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-25 19:11:11,666 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:11:11,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41692670] [2021-11-25 19:11:11,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41692670] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:11:11,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732414662] [2021-11-25 19:11:11,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:11:11,667 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:11:11,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:11:11,668 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:11:11,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 19:11:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:11:11,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 19:11:11,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:11:11,829 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 19:11:11,829 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:11:11,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732414662] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:11:11,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 19:11:11,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-25 19:11:11,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218913805] [2021-11-25 19:11:11,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:11:11,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:11:11,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:11:11,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:11:11,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:11:11,835 INFO L87 Difference]: Start difference. First operand 197 states and 283 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-25 19:11:11,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:11:11,898 INFO L93 Difference]: Finished difference Result 378 states and 552 transitions. [2021-11-25 19:11:11,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:11:11,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 44 [2021-11-25 19:11:11,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:11:11,900 INFO L225 Difference]: With dead ends: 378 [2021-11-25 19:11:11,900 INFO L226 Difference]: Without dead ends: 200 [2021-11-25 19:11:11,901 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:11:11,902 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 7 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:11:11,903 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 369 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 19:11:11,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2021-11-25 19:11:11,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 197. [2021-11-25 19:11:11,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 145 states have (on average 1.3793103448275863) internal successors, (200), 149 states have internal predecessors, (200), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2021-11-25 19:11:11,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 280 transitions. [2021-11-25 19:11:11,920 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 280 transitions. Word has length 44 [2021-11-25 19:11:11,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:11:11,920 INFO L470 AbstractCegarLoop]: Abstraction has 197 states and 280 transitions. [2021-11-25 19:11:11,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-25 19:11:11,921 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 280 transitions. [2021-11-25 19:11:11,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-25 19:11:11,922 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:11:11,922 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-11-25 19:11:11,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 19:11:12,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:11:12,138 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:11:12,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:11:12,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1683705723, now seen corresponding path program 1 times [2021-11-25 19:11:12,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:11:12,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628985950] [2021-11-25 19:11:12,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:11:12,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:11:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:11:12,177 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 19:11:12,177 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:11:12,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628985950] [2021-11-25 19:11:12,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628985950] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:11:12,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846933214] [2021-11-25 19:11:12,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:11:12,178 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:11:12,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:11:12,179 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:11:12,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 19:11:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:11:12,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:11:12,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:11:12,346 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 19:11:12,347 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:11:12,428 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 19:11:12,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [846933214] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:11:12,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1739265600] [2021-11-25 19:11:12,434 INFO L159 IcfgInterpreter]: Started Sifa with 36 locations of interest [2021-11-25 19:11:12,434 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:11:12,435 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:11:12,436 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:11:12,436 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:11:13,023 INFO L197 IcfgInterpreter]: Interpreting procedure add_history_type with input of size 120 for LOIs [2021-11-25 19:11:15,339 INFO L197 IcfgInterpreter]: Interpreting procedure read_history_bool with input of size 96 for LOIs [2021-11-25 19:11:15,548 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 19:11:19,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1739265600] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:11:19,577 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-25 19:11:19,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [4, 4, 4] total 23 [2021-11-25 19:11:19,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054896589] [2021-11-25 19:11:19,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:11:19,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-25 19:11:19,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:11:19,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-25 19:11:19,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2021-11-25 19:11:19,579 INFO L87 Difference]: Start difference. First operand 197 states and 280 transitions. Second operand has 19 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 14 states have internal predecessors, (30), 5 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-25 19:11:25,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:11:25,254 INFO L93 Difference]: Finished difference Result 234 states and 325 transitions. [2021-11-25 19:11:25,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-25 19:11:25,255 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 14 states have internal predecessors, (30), 5 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 49 [2021-11-25 19:11:25,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:11:25,256 INFO L225 Difference]: With dead ends: 234 [2021-11-25 19:11:25,256 INFO L226 Difference]: Without dead ends: 0 [2021-11-25 19:11:25,257 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 120 SyntacticMatches, 8 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=178, Invalid=1012, Unknown=0, NotChecked=0, Total=1190 [2021-11-25 19:11:25,258 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 57 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:11:25,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 70 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 19:11:25,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-25 19:11:25,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-25 19:11:25,260 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) [2021-11-25 19:11:25,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-25 19:11:25,260 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2021-11-25 19:11:25,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:11:25,260 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-25 19:11:25,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 14 states have internal predecessors, (30), 5 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-25 19:11:25,261 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-25 19:11:25,261 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 19:11:25,263 INFO L764 garLoopResultBuilder]: Registering result SAFE for location assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 19:11:25,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 19:11:25,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-11-25 19:11:25,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-25 19:11:29,390 INFO L861 garLoopResultBuilder]: At program point L119(line 119) the Hoare annotation is: true [2021-11-25 19:11:29,390 INFO L858 garLoopResultBuilder]: For program point L119-1(line 119) no Hoare annotation was computed. [2021-11-25 19:11:29,391 INFO L858 garLoopResultBuilder]: For program point read_history_int8FINAL(lines 104 123) no Hoare annotation was computed. [2021-11-25 19:11:29,391 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 120) no Hoare annotation was computed. [2021-11-25 19:11:29,391 INFO L858 garLoopResultBuilder]: For program point read_history_int8EXIT(lines 104 123) no Hoare annotation was computed. [2021-11-25 19:11:29,391 INFO L861 garLoopResultBuilder]: At program point read_history_int8ENTRY(lines 104 123) the Hoare annotation is: true [2021-11-25 19:11:29,391 INFO L854 garLoopResultBuilder]: At program point L159(line 159) the Hoare annotation is: (let ((.cse27 (+ ~nomsg~0 1))) (let ((.cse0 (not (<= ~votedValue_History_0~0 127))) (.cse1 (not (= ~g3v_old~0 0))) (.cse2 (not (= ~g3v_new~0 0))) (.cse3 (not (<= 0 (+ ~votedValue_History_1~0 128)))) (.cse4 (not (= ~g1v_new~0 0))) (.cse5 (not (= |#NULL.offset| 0))) (.cse6 (not (= ~g2v~0 0))) (.cse7 (not (<= ~VALUE1~0 127))) (.cse8 (not (= ~g2v_new~0 0))) (.cse9 (not (= ~g1v_old~0 0))) (.cse10 (not (= ~g3v~0 0))) (.cse11 (not (<= ~votedValue_History_2~0 127))) (.cse12 (not (= ~g2v_old~0 0))) (.cse13 (not (= |#NULL.base| 0))) (.cse14 (not (<= ~votedValue_History_1~0 127))) (.cse15 (not (<= 0 .cse27))) (.cse16 (not (<= 0 (+ ~votedValue_History_0~0 128)))) (.cse17 (not (<= 0 |#StackHeapBarrier|))) (.cse18 (not (<= ~VALUE3~0 127))) (.cse19 (not (<= 0 (+ ~votedValue_History_2~0 128)))) (.cse20 (not (<= .cse27 0))) (.cse21 (not (<= 0 (+ ~VALUE3~0 128)))) (.cse22 (not (<= 0 (+ ~VALUE2~0 128)))) (.cse23 (not (= ~g1v~0 0))) (.cse24 (not (<= 0 (+ ~VALUE1~0 128)))) (.cse25 (not (<= ~VALUE2~0 127))) (.cse26 (not (= |read_history_bool_#in~historyIndex| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 (not (= |read_history_bool_#in~history_id| 1))) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (not (= 0 |read_history_bool_#in~history_id|)) .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26)))) [2021-11-25 19:11:29,392 INFO L858 garLoopResultBuilder]: For program point L159-1(line 159) no Hoare annotation was computed. [2021-11-25 19:11:29,392 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 160) no Hoare annotation was computed. [2021-11-25 19:11:29,392 INFO L858 garLoopResultBuilder]: For program point read_history_boolFINAL(lines 124 163) no Hoare annotation was computed. [2021-11-25 19:11:29,392 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 160) no Hoare annotation was computed. [2021-11-25 19:11:29,392 INFO L858 garLoopResultBuilder]: For program point read_history_boolEXIT(lines 124 163) no Hoare annotation was computed. [2021-11-25 19:11:29,392 INFO L861 garLoopResultBuilder]: At program point read_history_boolENTRY(lines 124 163) the Hoare annotation is: true [2021-11-25 19:11:29,393 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 160) no Hoare annotation was computed. [2021-11-25 19:11:29,393 INFO L861 garLoopResultBuilder]: At program point assertENTRY(lines 534 545) the Hoare annotation is: true [2021-11-25 19:11:29,393 INFO L858 garLoopResultBuilder]: For program point L541(line 541) no Hoare annotation was computed. [2021-11-25 19:11:29,393 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 543) no Hoare annotation was computed. [2021-11-25 19:11:29,393 INFO L858 garLoopResultBuilder]: For program point assertEXIT(lines 534 545) no Hoare annotation was computed. [2021-11-25 19:11:29,393 INFO L858 garLoopResultBuilder]: For program point L539-2(lines 534 545) no Hoare annotation was computed. [2021-11-25 19:11:29,394 INFO L858 garLoopResultBuilder]: For program point assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 541) no Hoare annotation was computed. [2021-11-25 19:11:29,394 INFO L858 garLoopResultBuilder]: For program point L217(lines 217 219) no Hoare annotation was computed. [2021-11-25 19:11:29,394 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 301) no Hoare annotation was computed. [2021-11-25 19:11:29,394 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-25 19:11:29,394 INFO L858 garLoopResultBuilder]: For program point L284(lines 284 294) no Hoare annotation was computed. [2021-11-25 19:11:29,394 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 476) no Hoare annotation was computed. [2021-11-25 19:11:29,394 INFO L854 garLoopResultBuilder]: At program point L367(lines 339 369) the Hoare annotation is: false [2021-11-25 19:11:29,395 INFO L854 garLoopResultBuilder]: At program point L268(line 268) the Hoare annotation is: false [2021-11-25 19:11:29,395 INFO L858 garLoopResultBuilder]: For program point L268-1(line 268) no Hoare annotation was computed. [2021-11-25 19:11:29,395 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 175) no Hoare annotation was computed. [2021-11-25 19:11:29,395 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 291) no Hoare annotation was computed. [2021-11-25 19:11:29,395 INFO L858 garLoopResultBuilder]: For program point L269(lines 269 300) no Hoare annotation was computed. [2021-11-25 19:11:29,395 INFO L858 garLoopResultBuilder]: For program point L451(lines 451 476) no Hoare annotation was computed. [2021-11-25 19:11:29,396 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 288) no Hoare annotation was computed. [2021-11-25 19:11:29,396 INFO L854 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: false [2021-11-25 19:11:29,396 INFO L858 garLoopResultBuilder]: For program point L220-1(line 220) no Hoare annotation was computed. [2021-11-25 19:11:29,396 INFO L854 garLoopResultBuilder]: At program point L336(lines 231 338) the Hoare annotation is: false [2021-11-25 19:11:29,396 INFO L858 garLoopResultBuilder]: For program point L303(line 303) no Hoare annotation was computed. [2021-11-25 19:11:29,396 INFO L858 garLoopResultBuilder]: For program point L221(lines 221 223) no Hoare annotation was computed. [2021-11-25 19:11:29,396 INFO L858 garLoopResultBuilder]: For program point L469(lines 469 476) no Hoare annotation was computed. [2021-11-25 19:11:29,397 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 322) no Hoare annotation was computed. [2021-11-25 19:11:29,397 INFO L854 garLoopResultBuilder]: At program point L271(line 271) the Hoare annotation is: false [2021-11-25 19:11:29,397 INFO L854 garLoopResultBuilder]: At program point L304-1(lines 304 322) the Hoare annotation is: false [2021-11-25 19:11:29,397 INFO L858 garLoopResultBuilder]: For program point L271-1(line 271) no Hoare annotation was computed. [2021-11-25 19:11:29,397 INFO L854 garLoopResultBuilder]: At program point L305(line 305) the Hoare annotation is: false [2021-11-25 19:11:29,397 INFO L858 garLoopResultBuilder]: For program point L305-1(line 305) no Hoare annotation was computed. [2021-11-25 19:11:29,397 INFO L854 garLoopResultBuilder]: At program point L272-2(lines 272 274) the Hoare annotation is: false [2021-11-25 19:11:29,397 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-25 19:11:29,397 INFO L858 garLoopResultBuilder]: For program point L306(lines 306 321) no Hoare annotation was computed. [2021-11-25 19:11:29,397 INFO L854 garLoopResultBuilder]: At program point L174(line 174) the Hoare annotation is: false [2021-11-25 19:11:29,398 INFO L854 garLoopResultBuilder]: At program point L174-1(lines 164 178) the Hoare annotation is: false [2021-11-25 19:11:29,398 INFO L854 garLoopResultBuilder]: At program point L422-2(lines 416 426) the Hoare annotation is: false [2021-11-25 19:11:29,398 INFO L858 garLoopResultBuilder]: For program point L323(line 323) no Hoare annotation was computed. [2021-11-25 19:11:29,398 INFO L854 garLoopResultBuilder]: At program point L224(line 224) the Hoare annotation is: false [2021-11-25 19:11:29,398 INFO L858 garLoopResultBuilder]: For program point L224-1(line 224) no Hoare annotation was computed. [2021-11-25 19:11:29,398 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 476) no Hoare annotation was computed. [2021-11-25 19:11:29,399 INFO L854 garLoopResultBuilder]: At program point L307(line 307) the Hoare annotation is: false [2021-11-25 19:11:29,399 INFO L858 garLoopResultBuilder]: For program point L307-1(line 307) no Hoare annotation was computed. [2021-11-25 19:11:29,399 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 335) no Hoare annotation was computed. [2021-11-25 19:11:29,399 INFO L858 garLoopResultBuilder]: For program point L324-1(lines 324 335) no Hoare annotation was computed. [2021-11-25 19:11:29,399 INFO L854 garLoopResultBuilder]: At program point L258-2(lines 252 262) the Hoare annotation is: false [2021-11-25 19:11:29,399 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 320) no Hoare annotation was computed. [2021-11-25 19:11:29,399 INFO L858 garLoopResultBuilder]: For program point L275(line 275) no Hoare annotation was computed. [2021-11-25 19:11:29,400 INFO L854 garLoopResultBuilder]: At program point L391-2(lines 385 395) the Hoare annotation is: false [2021-11-25 19:11:29,400 INFO L854 garLoopResultBuilder]: At program point L325(line 325) the Hoare annotation is: false [2021-11-25 19:11:29,400 INFO L858 garLoopResultBuilder]: For program point L325-1(line 325) no Hoare annotation was computed. [2021-11-25 19:11:29,400 INFO L854 garLoopResultBuilder]: At program point L507(line 507) the Hoare annotation is: (and (= |ULTIMATE.start_main_~i2~0#1| 0) (= |ULTIMATE.start_init_#res#1| 0)) [2021-11-25 19:11:29,400 INFO L858 garLoopResultBuilder]: For program point L507-1(line 507) no Hoare annotation was computed. [2021-11-25 19:11:29,400 INFO L854 garLoopResultBuilder]: At program point L309(line 309) the Hoare annotation is: false [2021-11-25 19:11:29,401 INFO L858 garLoopResultBuilder]: For program point L309-1(line 309) no Hoare annotation was computed. [2021-11-25 19:11:29,401 INFO L854 garLoopResultBuilder]: At program point L276-2(lines 276 278) the Hoare annotation is: false [2021-11-25 19:11:29,401 INFO L858 garLoopResultBuilder]: For program point L458(lines 458 476) no Hoare annotation was computed. [2021-11-25 19:11:29,401 INFO L858 garLoopResultBuilder]: For program point L326(lines 326 334) no Hoare annotation was computed. [2021-11-25 19:11:29,401 INFO L854 garLoopResultBuilder]: At program point L475(line 475) the Hoare annotation is: false [2021-11-25 19:11:29,401 INFO L858 garLoopResultBuilder]: For program point L475-1(lines 444 476) no Hoare annotation was computed. [2021-11-25 19:11:29,402 INFO L854 garLoopResultBuilder]: At program point L409(line 409) the Hoare annotation is: false [2021-11-25 19:11:29,402 INFO L858 garLoopResultBuilder]: For program point L409-1(lines 407 430) no Hoare annotation was computed. [2021-11-25 19:11:29,402 INFO L858 garLoopResultBuilder]: For program point L310(lines 310 317) no Hoare annotation was computed. [2021-11-25 19:11:29,402 INFO L854 garLoopResultBuilder]: At program point L327(line 327) the Hoare annotation is: false [2021-11-25 19:11:29,402 INFO L854 garLoopResultBuilder]: At program point L360-2(lines 354 364) the Hoare annotation is: false [2021-11-25 19:11:29,402 INFO L858 garLoopResultBuilder]: For program point L327-1(line 327) no Hoare annotation was computed. [2021-11-25 19:11:29,402 INFO L854 garLoopResultBuilder]: At program point L228(lines 204 230) the Hoare annotation is: (= |ULTIMATE.start_init_#res#1| 0) [2021-11-25 19:11:29,402 INFO L854 garLoopResultBuilder]: At program point L311(line 311) the Hoare annotation is: false [2021-11-25 19:11:29,402 INFO L858 garLoopResultBuilder]: For program point L311-1(line 311) no Hoare annotation was computed. [2021-11-25 19:11:29,403 INFO L854 garLoopResultBuilder]: At program point L212(line 212) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= 0 (+ ~VALUE3~0 128)) (= 48 (select |#length| 2)) (= (select |#length| 3) 12) (= ~g1v_old~0 0) (= ~g1v_new~0 0) (= |ULTIMATE.start_main_~c1~0#1| 0) (= ~g3v_old~0 0) (= 2 (select |#length| 1)) (= ~g2v~0 0) (= (select |#valid| 3) 1) (= ~g3v_new~0 0) (<= 0 (+ ~votedValue_History_1~0 128)) (<= ~votedValue_History_0~0 127) (<= ~votedValue_History_2~0 127) (<= 0 (+ ~votedValue_History_0~0 128)) (= (select |#valid| 1) 1) (= (+ ~nomsg~0 1) 0) (<= ~VALUE2~0 127) (<= 0 (+ ~VALUE2~0 128)) (= (select |#valid| 0) 0) (= ~g3v~0 0) (<= ~VALUE3~0 127) (= ~g2v_old~0 0) (= (select |#valid| 2) 1) (= ~g1v~0 0) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (<= ~votedValue_History_1~0 127) (= (select .cse0 1) 0) (<= 0 (+ ~votedValue_History_2~0 128)) (<= 0 (+ ~VALUE1~0 128)) (<= ~VALUE1~0 127) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~g2v_new~0 0))) [2021-11-25 19:11:29,403 INFO L858 garLoopResultBuilder]: For program point L212-1(line 212) no Hoare annotation was computed. [2021-11-25 19:11:29,403 INFO L858 garLoopResultBuilder]: For program point L427(lines 407 430) no Hoare annotation was computed. [2021-11-25 19:11:29,403 INFO L858 garLoopResultBuilder]: For program point L328(lines 328 333) no Hoare annotation was computed. [2021-11-25 19:11:29,403 INFO L858 garLoopResultBuilder]: For program point L444(lines 444 476) no Hoare annotation was computed. [2021-11-25 19:11:29,403 INFO L854 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: false [2021-11-25 19:11:29,403 INFO L858 garLoopResultBuilder]: For program point L378-1(lines 376 399) no Hoare annotation was computed. [2021-11-25 19:11:29,403 INFO L858 garLoopResultBuilder]: For program point L312(lines 312 314) no Hoare annotation was computed. [2021-11-25 19:11:29,403 INFO L858 garLoopResultBuilder]: For program point L279(line 279) no Hoare annotation was computed. [2021-11-25 19:11:29,403 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 215) no Hoare annotation was computed. [2021-11-25 19:11:29,404 INFO L854 garLoopResultBuilder]: At program point L329(line 329) the Hoare annotation is: false [2021-11-25 19:11:29,404 INFO L854 garLoopResultBuilder]: At program point L296(lines 283 299) the Hoare annotation is: false [2021-11-25 19:11:29,404 INFO L858 garLoopResultBuilder]: For program point L329-1(line 329) no Hoare annotation was computed. [2021-11-25 19:11:29,404 INFO L854 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: false [2021-11-25 19:11:29,404 INFO L858 garLoopResultBuilder]: For program point L280-2(lines 269 300) no Hoare annotation was computed. [2021-11-25 19:11:29,404 INFO L854 garLoopResultBuilder]: At program point L528(line 528) the Hoare annotation is: false [2021-11-25 19:11:29,404 INFO L854 garLoopResultBuilder]: At program point L528-1(lines 515 530) the Hoare annotation is: false [2021-11-25 19:11:29,405 INFO L854 garLoopResultBuilder]: At program point L429(lines 401 431) the Hoare annotation is: false [2021-11-25 19:11:29,405 INFO L858 garLoopResultBuilder]: For program point L396(lines 376 399) no Hoare annotation was computed. [2021-11-25 19:11:29,405 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 332) no Hoare annotation was computed. [2021-11-25 19:11:29,405 INFO L858 garLoopResultBuilder]: For program point L264(line 264) no Hoare annotation was computed. [2021-11-25 19:11:29,405 INFO L854 garLoopResultBuilder]: At program point L347(line 347) the Hoare annotation is: false [2021-11-25 19:11:29,405 INFO L858 garLoopResultBuilder]: For program point L347-1(lines 345 368) no Hoare annotation was computed. [2021-11-25 19:11:29,406 INFO L858 garLoopResultBuilder]: For program point L265(lines 265 302) no Hoare annotation was computed. [2021-11-25 19:11:29,406 INFO L854 garLoopResultBuilder]: At program point L265-1(lines 265 302) the Hoare annotation is: false [2021-11-25 19:11:29,406 INFO L854 garLoopResultBuilder]: At program point L216(line 216) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= 0 (+ ~VALUE3~0 128)) (= 48 (select |#length| 2)) (= (select |#length| 3) 12) (= ~g1v_old~0 0) (= ~g1v_new~0 0) (= |ULTIMATE.start_main_~c1~0#1| 0) (= ~g3v_old~0 0) (= 2 (select |#length| 1)) (= ~g2v~0 0) (= (select |#valid| 3) 1) (= ~g3v_new~0 0) (<= 0 (+ ~votedValue_History_1~0 128)) (<= ~votedValue_History_0~0 127) (<= ~votedValue_History_2~0 127) (<= 0 (+ ~votedValue_History_0~0 128)) (= |ULTIMATE.start_init_~tmp~1#1| 1) (= (select |#valid| 1) 1) (= (+ ~nomsg~0 1) 0) (<= ~VALUE2~0 127) (<= 0 (+ ~VALUE2~0 128)) (= (select |#valid| 0) 0) (= ~g3v~0 0) (<= ~VALUE3~0 127) (= ~g2v_old~0 0) (= (select |#valid| 2) 1) (= ~g1v~0 0) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (<= ~votedValue_History_1~0 127) (= (select .cse0 1) 0) (<= 0 (+ ~votedValue_History_2~0 128)) (<= 0 (+ ~VALUE1~0 128)) (<= ~VALUE1~0 127) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~g2v_new~0 0))) [2021-11-25 19:11:29,406 INFO L858 garLoopResultBuilder]: For program point L216-1(line 216) no Hoare annotation was computed. [2021-11-25 19:11:29,406 INFO L854 garLoopResultBuilder]: At program point L398(lines 370 400) the Hoare annotation is: false [2021-11-25 19:11:29,406 INFO L858 garLoopResultBuilder]: For program point L365(lines 345 368) no Hoare annotation was computed. [2021-11-25 19:11:29,407 INFO L854 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: false [2021-11-25 19:11:29,407 INFO L858 garLoopResultBuilder]: For program point L266-1(line 266) no Hoare annotation was computed. [2021-11-25 19:11:29,407 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 98) no Hoare annotation was computed. [2021-11-25 19:11:29,407 INFO L858 garLoopResultBuilder]: For program point L93-2(lines 75 98) no Hoare annotation was computed. [2021-11-25 19:11:29,407 INFO L858 garLoopResultBuilder]: For program point L89(lines 89 91) no Hoare annotation was computed. [2021-11-25 19:11:29,407 INFO L858 garLoopResultBuilder]: For program point L81(lines 81 98) no Hoare annotation was computed. [2021-11-25 19:11:29,408 INFO L858 garLoopResultBuilder]: For program point L77(lines 77 79) no Hoare annotation was computed. [2021-11-25 19:11:29,408 INFO L854 garLoopResultBuilder]: At program point L94(line 94) the Hoare annotation is: (let ((.cse34 (select |#memory_int| 1))) (let ((.cse0 (not (<= ~votedValue_History_0~0 127))) (.cse1 (not (= ~g3v_old~0 0))) (.cse2 (not (= ~g3v_new~0 0))) (.cse3 (not (<= 0 (+ ~votedValue_History_1~0 128)))) (.cse4 (not (= ~g1v_new~0 0))) (.cse5 (not (= (select .cse34 0) 48))) (.cse6 (not (= |#NULL.offset| 0))) (.cse7 (not (= ~g2v~0 0))) (.cse8 (not (<= ~VALUE1~0 127))) (.cse9 (not (= 2 (select |#length| 1)))) (.cse10 (not (= ~g2v_new~0 0))) (.cse11 (not (< 0 |#StackHeapBarrier|))) (.cse12 (not (= (select |#valid| 3) 1))) (.cse13 (not (= ~g1v_old~0 0))) (.cse14 (not (= (select |#length| 3) 12))) (.cse15 (not (= (select |#valid| 0) 0))) (.cse16 (not (= (select .cse34 1) 0))) (.cse17 (not (= ~g3v~0 0))) (.cse18 (not (= (select |#valid| 1) 1))) (.cse19 (not (<= ~votedValue_History_2~0 127))) (.cse20 (not (= ~g2v_old~0 0))) (.cse21 (not (= |#NULL.base| 0))) (.cse22 (not (= (+ ~nomsg~0 1) 0))) (.cse23 (not (<= ~votedValue_History_1~0 127))) (.cse24 (not (<= 0 (+ ~votedValue_History_0~0 128)))) (.cse25 (not (<= ~VALUE3~0 127))) (.cse26 (not (<= 0 (+ ~votedValue_History_2~0 128)))) (.cse27 (not (= (select |#valid| 2) 1))) (.cse28 (not (<= 0 (+ ~VALUE3~0 128)))) (.cse29 (not (<= 0 (+ ~VALUE2~0 128)))) (.cse30 (not (= ~g1v~0 0))) (.cse31 (not (<= 0 (+ ~VALUE1~0 128)))) (.cse32 (not (<= ~VALUE2~0 127))) (.cse33 (not (= 48 (select |#length| 2))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (not (= |add_history_type_#in~history_id| 1)) .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= |add_history_type_#in~history_id| 0)) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33)))) [2021-11-25 19:11:29,408 INFO L858 garLoopResultBuilder]: For program point L94-1(line 94) no Hoare annotation was computed. [2021-11-25 19:11:29,408 INFO L854 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse2 (not (= |add_history_type_#in~history_id| 0)))) (let ((.cse0 (let ((.cse37 (select |#memory_int| 1))) (let ((.cse3 (not (<= ~votedValue_History_0~0 127))) (.cse4 (not (= ~g3v_old~0 0))) (.cse5 (not (= ~g3v_new~0 0))) (.cse6 (not (<= 0 (+ ~votedValue_History_1~0 128)))) (.cse7 (not (= ~g1v_new~0 0))) (.cse8 (not (= (select .cse37 0) 48))) (.cse9 (not (= |#NULL.offset| 0))) (.cse10 (not (= ~g2v~0 0))) (.cse11 (not (<= ~VALUE1~0 127))) (.cse12 (not (= 2 (select |#length| 1)))) (.cse13 (not (= ~g2v_new~0 0))) (.cse14 (not (< 0 |#StackHeapBarrier|))) (.cse15 (not (= (select |#valid| 3) 1))) (.cse16 (not (= ~g1v_old~0 0))) (.cse17 (not (= (select |#length| 3) 12))) (.cse18 (not (= (select |#valid| 0) 0))) (.cse19 (not (= (select .cse37 1) 0))) (.cse20 (not (= ~g3v~0 0))) (.cse21 (not (= (select |#valid| 1) 1))) (.cse22 (not (<= ~votedValue_History_2~0 127))) (.cse23 (not (= ~g2v_old~0 0))) (.cse24 (not (= |#NULL.base| 0))) (.cse25 (not (= (+ ~nomsg~0 1) 0))) (.cse26 (not (<= ~votedValue_History_1~0 127))) (.cse27 (not (<= 0 (+ ~votedValue_History_0~0 128)))) (.cse28 (not (<= ~VALUE3~0 127))) (.cse29 (not (<= 0 (+ ~votedValue_History_2~0 128)))) (.cse30 (not (= (select |#valid| 2) 1))) (.cse31 (not (<= 0 (+ ~VALUE3~0 128)))) (.cse32 (not (<= 0 (+ ~VALUE2~0 128)))) (.cse33 (not (= ~g1v~0 0))) (.cse34 (not (<= 0 (+ ~VALUE1~0 128)))) (.cse35 (not (<= ~VALUE2~0 127))) (.cse36 (not (= 48 (select |#length| 2))))) (and (or .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 (not (= |add_history_type_#in~history_id| 1)) .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36) (or .cse3 .cse4 .cse5 .cse6 .cse7 .cse2 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36)))))) (and (or .cse0 (let ((.cse1 (+ 2 add_history_type_~ini_int~0))) (and (<= 0 add_history_type_~var~0) (= add_history_type_~ini_bool~0 0) (not (= add_history_type_~history_id 0)) (<= 0 .cse1) (<= .cse1 0) (<= add_history_type_~var~0 3) (<= 0 add_history_type_~history_id) (<= add_history_type_~history_id 1)))) (or .cse2 .cse0)))) [2021-11-25 19:11:29,409 INFO L858 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2021-11-25 19:11:29,409 INFO L854 garLoopResultBuilder]: At program point L74-2(lines 74 100) the Hoare annotation is: (let ((.cse2 (not (= |add_history_type_#in~history_id| 0)))) (let ((.cse0 (let ((.cse38 (select |#memory_int| 1))) (let ((.cse4 (not (<= ~votedValue_History_0~0 127))) (.cse5 (not (= ~g3v_old~0 0))) (.cse6 (not (= ~g3v_new~0 0))) (.cse7 (not (<= 0 (+ ~votedValue_History_1~0 128)))) (.cse8 (not (= ~g1v_new~0 0))) (.cse9 (not (= (select .cse38 0) 48))) (.cse10 (not (= |#NULL.offset| 0))) (.cse11 (not (= ~g2v~0 0))) (.cse12 (not (<= ~VALUE1~0 127))) (.cse13 (not (= 2 (select |#length| 1)))) (.cse14 (not (= ~g2v_new~0 0))) (.cse15 (not (< 0 |#StackHeapBarrier|))) (.cse16 (not (= (select |#valid| 3) 1))) (.cse17 (not (= ~g1v_old~0 0))) (.cse18 (not (= (select |#length| 3) 12))) (.cse19 (not (= (select |#valid| 0) 0))) (.cse20 (not (= (select .cse38 1) 0))) (.cse21 (not (= ~g3v~0 0))) (.cse22 (not (= (select |#valid| 1) 1))) (.cse23 (not (<= ~votedValue_History_2~0 127))) (.cse24 (not (= ~g2v_old~0 0))) (.cse25 (not (= |#NULL.base| 0))) (.cse26 (not (= (+ ~nomsg~0 1) 0))) (.cse27 (not (<= ~votedValue_History_1~0 127))) (.cse28 (not (<= 0 (+ ~votedValue_History_0~0 128)))) (.cse29 (not (<= ~VALUE3~0 127))) (.cse30 (not (<= 0 (+ ~votedValue_History_2~0 128)))) (.cse31 (not (= (select |#valid| 2) 1))) (.cse32 (not (<= 0 (+ ~VALUE3~0 128)))) (.cse33 (not (<= 0 (+ ~VALUE2~0 128)))) (.cse34 (not (= ~g1v~0 0))) (.cse35 (not (<= 0 (+ ~VALUE1~0 128)))) (.cse36 (not (<= ~VALUE2~0 127))) (.cse37 (not (= 48 (select |#length| 2))))) (and (or .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 (not (= |add_history_type_#in~history_id| 1)) .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37) (or .cse4 .cse5 .cse6 .cse7 .cse8 .cse2 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37)))))) (and (or .cse0 (let ((.cse1 (+ 2 add_history_type_~ini_int~0))) (and (<= 0 add_history_type_~var~0) (= add_history_type_~ini_bool~0 0) (<= 0 .cse1) (<= .cse1 0) (<= 0 add_history_type_~history_id) (<= add_history_type_~history_id 1)))) (let ((.cse3 (= add_history_type_~history_id 0))) (or .cse2 (and (= add_history_type_~tmp~0 (mod add_history_type_~ini_bool~0 256)) .cse3) .cse0 (and (= add_history_type_~var~0 0) .cse3)))))) [2021-11-25 19:11:29,409 INFO L858 garLoopResultBuilder]: For program point L95(lines 95 97) no Hoare annotation was computed. [2021-11-25 19:11:29,409 INFO L858 garLoopResultBuilder]: For program point L87(lines 87 98) no Hoare annotation was computed. [2021-11-25 19:11:29,409 INFO L858 garLoopResultBuilder]: For program point L83(lines 83 85) no Hoare annotation was computed. [2021-11-25 19:11:29,410 INFO L858 garLoopResultBuilder]: For program point add_history_typeEXIT(lines 60 103) no Hoare annotation was computed. [2021-11-25 19:11:29,410 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 98) no Hoare annotation was computed. [2021-11-25 19:11:29,410 INFO L854 garLoopResultBuilder]: At program point L88(line 88) the Hoare annotation is: (let ((.cse34 (select |#memory_int| 1))) (let ((.cse0 (not (<= ~votedValue_History_0~0 127))) (.cse1 (not (= ~g3v_old~0 0))) (.cse2 (not (= ~g3v_new~0 0))) (.cse3 (not (<= 0 (+ ~votedValue_History_1~0 128)))) (.cse4 (not (= ~g1v_new~0 0))) (.cse5 (not (= (select .cse34 0) 48))) (.cse6 (not (= |#NULL.offset| 0))) (.cse7 (not (= ~g2v~0 0))) (.cse8 (not (<= ~VALUE1~0 127))) (.cse9 (not (= 2 (select |#length| 1)))) (.cse10 (not (= ~g2v_new~0 0))) (.cse11 (not (< 0 |#StackHeapBarrier|))) (.cse12 (not (= (select |#valid| 3) 1))) (.cse13 (not (= ~g1v_old~0 0))) (.cse14 (not (= (select |#length| 3) 12))) (.cse15 (not (= (select |#valid| 0) 0))) (.cse16 (not (= (select .cse34 1) 0))) (.cse17 (not (= ~g3v~0 0))) (.cse18 (not (= (select |#valid| 1) 1))) (.cse19 (not (<= ~votedValue_History_2~0 127))) (.cse20 (not (= ~g2v_old~0 0))) (.cse21 (not (= |#NULL.base| 0))) (.cse22 (not (= (+ ~nomsg~0 1) 0))) (.cse23 (not (<= ~votedValue_History_1~0 127))) (.cse24 (not (<= 0 (+ ~votedValue_History_0~0 128)))) (.cse25 (not (<= ~VALUE3~0 127))) (.cse26 (not (<= 0 (+ ~votedValue_History_2~0 128)))) (.cse27 (not (= (select |#valid| 2) 1))) (.cse28 (not (<= 0 (+ ~VALUE3~0 128)))) (.cse29 (not (<= 0 (+ ~VALUE2~0 128)))) (.cse30 (not (= ~g1v~0 0))) (.cse31 (not (<= 0 (+ ~VALUE1~0 128)))) (.cse32 (not (<= ~VALUE2~0 127))) (.cse33 (not (= 48 (select |#length| 2))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (not (= |add_history_type_#in~history_id| 1)) .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= |add_history_type_#in~history_id| 0)) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33)))) [2021-11-25 19:11:29,410 INFO L858 garLoopResultBuilder]: For program point L88-1(line 88) no Hoare annotation was computed. [2021-11-25 19:11:29,410 INFO L861 garLoopResultBuilder]: At program point add_history_typeENTRY(lines 60 103) the Hoare annotation is: true [2021-11-25 19:11:29,411 INFO L854 garLoopResultBuilder]: At program point L76(line 76) the Hoare annotation is: (or (let ((.cse34 (select |#memory_int| 1))) (let ((.cse0 (not (<= ~votedValue_History_0~0 127))) (.cse1 (not (= ~g3v_old~0 0))) (.cse2 (not (= ~g3v_new~0 0))) (.cse3 (not (<= 0 (+ ~votedValue_History_1~0 128)))) (.cse4 (not (= ~g1v_new~0 0))) (.cse5 (not (= (select .cse34 0) 48))) (.cse6 (not (= |#NULL.offset| 0))) (.cse7 (not (= ~g2v~0 0))) (.cse8 (not (<= ~VALUE1~0 127))) (.cse9 (not (= 2 (select |#length| 1)))) (.cse10 (not (= ~g2v_new~0 0))) (.cse11 (not (< 0 |#StackHeapBarrier|))) (.cse12 (not (= (select |#valid| 3) 1))) (.cse13 (not (= ~g1v_old~0 0))) (.cse14 (not (= (select |#length| 3) 12))) (.cse15 (not (= (select |#valid| 0) 0))) (.cse16 (not (= (select .cse34 1) 0))) (.cse17 (not (= ~g3v~0 0))) (.cse18 (not (= (select |#valid| 1) 1))) (.cse19 (not (<= ~votedValue_History_2~0 127))) (.cse20 (not (= ~g2v_old~0 0))) (.cse21 (not (= |#NULL.base| 0))) (.cse22 (not (= (+ ~nomsg~0 1) 0))) (.cse23 (not (<= ~votedValue_History_1~0 127))) (.cse24 (not (<= 0 (+ ~votedValue_History_0~0 128)))) (.cse25 (not (<= ~VALUE3~0 127))) (.cse26 (not (<= 0 (+ ~votedValue_History_2~0 128)))) (.cse27 (not (= (select |#valid| 2) 1))) (.cse28 (not (<= 0 (+ ~VALUE3~0 128)))) (.cse29 (not (<= 0 (+ ~VALUE2~0 128)))) (.cse30 (not (= ~g1v~0 0))) (.cse31 (not (<= 0 (+ ~VALUE1~0 128)))) (.cse32 (not (<= ~VALUE2~0 127))) (.cse33 (not (= 48 (select |#length| 2))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (not (= |add_history_type_#in~history_id| 1)) .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= |add_history_type_#in~history_id| 0)) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33)))) (let ((.cse35 (+ 2 add_history_type_~ini_int~0))) (and (<= 0 add_history_type_~var~0) (= add_history_type_~ini_bool~0 0) (= add_history_type_~history_id 0) (<= 0 .cse35) (<= .cse35 0) (<= add_history_type_~var~0 3)))) [2021-11-25 19:11:29,411 INFO L858 garLoopResultBuilder]: For program point L76-1(line 76) no Hoare annotation was computed. [2021-11-25 19:11:29,411 INFO L858 garLoopResultBuilder]: For program point add_history_typeFINAL(lines 60 103) no Hoare annotation was computed. [2021-11-25 19:11:29,411 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 36 38) the Hoare annotation is: true [2021-11-25 19:11:29,411 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 36 38) no Hoare annotation was computed. [2021-11-25 19:11:29,412 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 200) no Hoare annotation was computed. [2021-11-25 19:11:29,412 INFO L858 garLoopResultBuilder]: For program point write_history_boolEXIT(lines 179 203) no Hoare annotation was computed. [2021-11-25 19:11:29,412 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 200) no Hoare annotation was computed. [2021-11-25 19:11:29,412 INFO L861 garLoopResultBuilder]: At program point write_history_boolENTRY(lines 179 203) the Hoare annotation is: true [2021-11-25 19:11:29,412 INFO L861 garLoopResultBuilder]: At program point L199(line 199) the Hoare annotation is: true [2021-11-25 19:11:29,412 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 179 203) no Hoare annotation was computed. [2021-11-25 19:11:29,413 INFO L858 garLoopResultBuilder]: For program point L194(lines 194 200) no Hoare annotation was computed. [2021-11-25 19:11:29,416 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:11:29,418 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 19:11:29,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 07:11:29 BoogieIcfgContainer [2021-11-25 19:11:29,449 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 19:11:29,450 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 19:11:29,450 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 19:11:29,450 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 19:11:29,451 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:10:46" (3/4) ... [2021-11-25 19:11:29,454 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 19:11:29,459 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure read_history_int8 [2021-11-25 19:11:29,459 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure read_history_bool [2021-11-25 19:11:29,459 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assert [2021-11-25 19:11:29,460 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure add_history_type [2021-11-25 19:11:29,460 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-25 19:11:29,460 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure write_history_bool [2021-11-25 19:11:29,475 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2021-11-25 19:11:29,477 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-25 19:11:29,479 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-25 19:11:29,480 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 19:11:29,506 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == 0 [2021-11-25 19:11:29,506 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((((!(votedValue_History_0 <= 127) || !(g3v_\old == 0)) || !(g3v_new == 0)) || !(0 <= votedValue_History_1 + 128)) || !(g1v_new == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(g2v == 0)) || !(VALUE1 <= 127)) || !(2 == unknown-#length-unknown[1])) || !(g2v_new == 0)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(g1v_\old == 0)) || !(\old(history_id) == 1)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(g3v == 0)) || !(\valid[1] == 1)) || !(votedValue_History_2 <= 127)) || !(g2v_\old == 0)) || !(#NULL == 0)) || !(nomsg + 1 == 0)) || !(votedValue_History_1 <= 127)) || !(0 <= votedValue_History_0 + 128)) || !(VALUE3 <= 127)) || !(0 <= votedValue_History_2 + 128)) || !(\valid[2] == 1)) || !(0 <= VALUE3 + 128)) || !(0 <= VALUE2 + 128)) || !(g1v == 0)) || !(0 <= VALUE1 + 128)) || !(VALUE2 <= 127)) || !(48 == unknown-#length-unknown[2])) && ((((((((((((((((((((((((((((((((((!(votedValue_History_0 <= 127) || !(g3v_\old == 0)) || !(g3v_new == 0)) || !(0 <= votedValue_History_1 + 128)) || !(g1v_new == 0)) || !(\old(history_id) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(g2v == 0)) || !(VALUE1 <= 127)) || !(2 == unknown-#length-unknown[1])) || !(g2v_new == 0)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(g1v_\old == 0)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(g3v == 0)) || !(\valid[1] == 1)) || !(votedValue_History_2 <= 127)) || !(g2v_\old == 0)) || !(#NULL == 0)) || !(nomsg + 1 == 0)) || !(votedValue_History_1 <= 127)) || !(0 <= votedValue_History_0 + 128)) || !(VALUE3 <= 127)) || !(0 <= votedValue_History_2 + 128)) || !(\valid[2] == 1)) || !(0 <= VALUE3 + 128)) || !(0 <= VALUE2 + 128)) || !(g1v == 0)) || !(0 <= VALUE1 + 128)) || !(VALUE2 <= 127)) || !(48 == unknown-#length-unknown[2]))) || (((((0 <= var && ini_bool == 0) && 0 <= 2 + ini_int) && 2 + ini_int <= 0) && 0 <= history_id) && history_id <= 1)) && (((!(\old(history_id) == 0) || (tmp == ini_bool % 256 && history_id == 0)) || (((((((((((((((((((((((((((((((((((!(votedValue_History_0 <= 127) || !(g3v_\old == 0)) || !(g3v_new == 0)) || !(0 <= votedValue_History_1 + 128)) || !(g1v_new == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(g2v == 0)) || !(VALUE1 <= 127)) || !(2 == unknown-#length-unknown[1])) || !(g2v_new == 0)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(g1v_\old == 0)) || !(\old(history_id) == 1)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(g3v == 0)) || !(\valid[1] == 1)) || !(votedValue_History_2 <= 127)) || !(g2v_\old == 0)) || !(#NULL == 0)) || !(nomsg + 1 == 0)) || !(votedValue_History_1 <= 127)) || !(0 <= votedValue_History_0 + 128)) || !(VALUE3 <= 127)) || !(0 <= votedValue_History_2 + 128)) || !(\valid[2] == 1)) || !(0 <= VALUE3 + 128)) || !(0 <= VALUE2 + 128)) || !(g1v == 0)) || !(0 <= VALUE1 + 128)) || !(VALUE2 <= 127)) || !(48 == unknown-#length-unknown[2])) && ((((((((((((((((((((((((((((((((((!(votedValue_History_0 <= 127) || !(g3v_\old == 0)) || !(g3v_new == 0)) || !(0 <= votedValue_History_1 + 128)) || !(g1v_new == 0)) || !(\old(history_id) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(g2v == 0)) || !(VALUE1 <= 127)) || !(2 == unknown-#length-unknown[1])) || !(g2v_new == 0)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(g1v_\old == 0)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(g3v == 0)) || !(\valid[1] == 1)) || !(votedValue_History_2 <= 127)) || !(g2v_\old == 0)) || !(#NULL == 0)) || !(nomsg + 1 == 0)) || !(votedValue_History_1 <= 127)) || !(0 <= votedValue_History_0 + 128)) || !(VALUE3 <= 127)) || !(0 <= votedValue_History_2 + 128)) || !(\valid[2] == 1)) || !(0 <= VALUE3 + 128)) || !(0 <= VALUE2 + 128)) || !(g1v == 0)) || !(0 <= VALUE1 + 128)) || !(VALUE2 <= 127)) || !(48 == unknown-#length-unknown[2])))) || (var == 0 && history_id == 0)) [2021-11-25 19:11:29,578 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 19:11:29,584 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 19:11:29,585 INFO L158 Benchmark]: Toolchain (without parser) took 44425.04ms. Allocated memory was 111.1MB in the beginning and 283.1MB in the end (delta: 172.0MB). Free memory was 76.7MB in the beginning and 145.3MB in the end (delta: -68.6MB). Peak memory consumption was 101.7MB. Max. memory is 16.1GB. [2021-11-25 19:11:29,585 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 43.6MB in the beginning and 43.5MB in the end (delta: 39.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:11:29,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.59ms. Allocated memory is still 111.1MB. Free memory was 76.5MB in the beginning and 81.3MB in the end (delta: -4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 19:11:29,586 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.91ms. Allocated memory is still 111.1MB. Free memory was 81.3MB in the beginning and 78.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 19:11:29,587 INFO L158 Benchmark]: Boogie Preprocessor took 91.52ms. Allocated memory is still 111.1MB. Free memory was 78.5MB in the beginning and 76.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 19:11:29,587 INFO L158 Benchmark]: RCFGBuilder took 1037.59ms. Allocated memory is still 111.1MB. Free memory was 76.4MB in the beginning and 67.9MB in the end (delta: 8.5MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2021-11-25 19:11:29,588 INFO L158 Benchmark]: TraceAbstraction took 42650.25ms. Allocated memory was 111.1MB in the beginning and 283.1MB in the end (delta: 172.0MB). Free memory was 67.4MB in the beginning and 157.9MB in the end (delta: -90.5MB). Peak memory consumption was 153.8MB. Max. memory is 16.1GB. [2021-11-25 19:11:29,588 INFO L158 Benchmark]: Witness Printer took 134.13ms. Allocated memory is still 283.1MB. Free memory was 157.9MB in the beginning and 145.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-25 19:11:29,590 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 43.6MB in the beginning and 43.5MB in the end (delta: 39.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.59ms. Allocated memory is still 111.1MB. Free memory was 76.5MB in the beginning and 81.3MB in the end (delta: -4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.91ms. Allocated memory is still 111.1MB. Free memory was 81.3MB in the beginning and 78.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.52ms. Allocated memory is still 111.1MB. Free memory was 78.5MB in the beginning and 76.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1037.59ms. Allocated memory is still 111.1MB. Free memory was 76.4MB in the beginning and 67.9MB in the end (delta: 8.5MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * TraceAbstraction took 42650.25ms. Allocated memory was 111.1MB in the beginning and 283.1MB in the end (delta: 172.0MB). Free memory was 67.4MB in the beginning and 157.9MB in the end (delta: -90.5MB). Peak memory consumption was 153.8MB. Max. memory is 16.1GB. * Witness Printer took 134.13ms. Allocated memory is still 283.1MB. Free memory was 157.9MB in the beginning and 145.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 541]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 144 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 42.5s, OverallIterations: 9, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 15.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 531 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 451 mSDsluCounter, 6319 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5123 mSDsCounter, 87 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2595 IncrementalHoareTripleChecker+Invalid, 2682 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 87 mSolverCounterUnsat, 1574 mSDtfsCounter, 2595 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 444 GetRequests, 327 SyntacticMatches, 14 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 732 ImplicationChecksByTransitivity, 22.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=197occurred in iteration=7, InterpolantAutomatonStates: 84, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 135 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 691 PreInvPairs, 707 NumberOfFragments, 3190 HoareAnnotationTreeSize, 691 FomulaSimplifications, 101 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 52 FomulaSimplificationsInter, 12698 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 426 NumberOfCodeBlocks, 426 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 523 ConstructedInterpolants, 0 QuantifiedInterpolants, 708 SizeOfPredicates, 0 NumberOfNonLiveVariables, 653 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 16 InterpolantComputations, 6 PerfectInterpolantSequences, 110/130 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: OVERALL_TIME: 8.8s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 9, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 104, DAG_INTERPRETER_EARLY_EXITS: 4, TOOLS_POST_APPLICATIONS: 193, TOOLS_POST_TIME: 2.9s, TOOLS_POST_CALL_APPLICATIONS: 77, TOOLS_POST_CALL_TIME: 2.5s, TOOLS_POST_RETURN_APPLICATIONS: 66, TOOLS_POST_RETURN_TIME: 1.7s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 336, TOOLS_QUANTIFIERELIM_TIME: 7.0s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 398, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 71, DOMAIN_JOIN_TIME: 1.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 12, DOMAIN_WIDEN_TIME: 0.2s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 104, DOMAIN_ISBOTTOM_TIME: 0.2s, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME: 3.5s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 3.5s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 66, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME: 1.2s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 1.2s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 1101, DAG_COMPRESSION_RETAINED_NODES: 245, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: \result == 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((!(votedValue_History_0 <= 127) || !(g3v_\old == 0)) || !(g3v_new == 0)) || !(0 <= votedValue_History_1 + 128)) || !(g1v_new == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(g2v == 0)) || !(VALUE1 <= 127)) || !(2 == unknown-#length-unknown[1])) || !(g2v_new == 0)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(g1v_\old == 0)) || !(\old(history_id) == 1)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(g3v == 0)) || !(\valid[1] == 1)) || !(votedValue_History_2 <= 127)) || !(g2v_\old == 0)) || !(#NULL == 0)) || !(nomsg + 1 == 0)) || !(votedValue_History_1 <= 127)) || !(0 <= votedValue_History_0 + 128)) || !(VALUE3 <= 127)) || !(0 <= votedValue_History_2 + 128)) || !(\valid[2] == 1)) || !(0 <= VALUE3 + 128)) || !(0 <= VALUE2 + 128)) || !(g1v == 0)) || !(0 <= VALUE1 + 128)) || !(VALUE2 <= 127)) || !(48 == unknown-#length-unknown[2])) && ((((((((((((((((((((((((((((((((((!(votedValue_History_0 <= 127) || !(g3v_\old == 0)) || !(g3v_new == 0)) || !(0 <= votedValue_History_1 + 128)) || !(g1v_new == 0)) || !(\old(history_id) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(g2v == 0)) || !(VALUE1 <= 127)) || !(2 == unknown-#length-unknown[1])) || !(g2v_new == 0)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(g1v_\old == 0)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(g3v == 0)) || !(\valid[1] == 1)) || !(votedValue_History_2 <= 127)) || !(g2v_\old == 0)) || !(#NULL == 0)) || !(nomsg + 1 == 0)) || !(votedValue_History_1 <= 127)) || !(0 <= votedValue_History_0 + 128)) || !(VALUE3 <= 127)) || !(0 <= votedValue_History_2 + 128)) || !(\valid[2] == 1)) || !(0 <= VALUE3 + 128)) || !(0 <= VALUE2 + 128)) || !(g1v == 0)) || !(0 <= VALUE1 + 128)) || !(VALUE2 <= 127)) || !(48 == unknown-#length-unknown[2]))) || (((((0 <= var && ini_bool == 0) && 0 <= 2 + ini_int) && 2 + ini_int <= 0) && 0 <= history_id) && history_id <= 1)) && (((!(\old(history_id) == 0) || (tmp == ini_bool % 256 && history_id == 0)) || (((((((((((((((((((((((((((((((((((!(votedValue_History_0 <= 127) || !(g3v_\old == 0)) || !(g3v_new == 0)) || !(0 <= votedValue_History_1 + 128)) || !(g1v_new == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(g2v == 0)) || !(VALUE1 <= 127)) || !(2 == unknown-#length-unknown[1])) || !(g2v_new == 0)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(g1v_\old == 0)) || !(\old(history_id) == 1)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(g3v == 0)) || !(\valid[1] == 1)) || !(votedValue_History_2 <= 127)) || !(g2v_\old == 0)) || !(#NULL == 0)) || !(nomsg + 1 == 0)) || !(votedValue_History_1 <= 127)) || !(0 <= votedValue_History_0 + 128)) || !(VALUE3 <= 127)) || !(0 <= votedValue_History_2 + 128)) || !(\valid[2] == 1)) || !(0 <= VALUE3 + 128)) || !(0 <= VALUE2 + 128)) || !(g1v == 0)) || !(0 <= VALUE1 + 128)) || !(VALUE2 <= 127)) || !(48 == unknown-#length-unknown[2])) && ((((((((((((((((((((((((((((((((((!(votedValue_History_0 <= 127) || !(g3v_\old == 0)) || !(g3v_new == 0)) || !(0 <= votedValue_History_1 + 128)) || !(g1v_new == 0)) || !(\old(history_id) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(g2v == 0)) || !(VALUE1 <= 127)) || !(2 == unknown-#length-unknown[1])) || !(g2v_new == 0)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(g1v_\old == 0)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(g3v == 0)) || !(\valid[1] == 1)) || !(votedValue_History_2 <= 127)) || !(g2v_\old == 0)) || !(#NULL == 0)) || !(nomsg + 1 == 0)) || !(votedValue_History_1 <= 127)) || !(0 <= votedValue_History_0 + 128)) || !(VALUE3 <= 127)) || !(0 <= votedValue_History_2 + 128)) || !(\valid[2] == 1)) || !(0 <= VALUE3 + 128)) || !(0 <= VALUE2 + 128)) || !(g1v == 0)) || !(0 <= VALUE1 + 128)) || !(VALUE2 <= 127)) || !(48 == unknown-#length-unknown[2])))) || (var == 0 && history_id == 0)) - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-25 19:11:29,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a4a5849-fe13-4b22-969a-311e06640be9/bin/utaipan-eEHZpOm5b7/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