./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/mono-crafted_10.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_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/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_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/mono-crafted_10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/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_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/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 8c5f43b3e9ff1d4598a5a525fe9e716f863331c4c517b4b8adb0491943243286 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:54:20,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:54:20,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:54:21,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:54:21,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:54:21,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:54:21,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:54:21,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:54:21,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:54:21,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:54:21,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:54:21,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:54:21,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:54:21,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:54:21,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:54:21,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:54:21,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:54:21,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:54:21,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:54:21,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:54:21,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:54:21,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:54:21,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:54:21,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:54:21,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:54:21,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:54:21,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:54:21,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:54:21,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:54:21,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:54:21,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:54:21,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:54:21,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:54:21,061 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:54:21,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:54:21,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:54:21,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:54:21,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:54:21,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:54:21,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:54:21,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:54:21,070 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 19:54:21,114 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:54:21,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:54:21,115 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:54:21,115 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:54:21,116 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:54:21,116 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:54:21,116 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:54:21,117 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:54:21,117 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:54:21,117 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:54:21,118 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:54:21,118 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:54:21,119 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:54:21,119 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:54:21,119 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:54:21,119 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:54:21,120 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:54:21,120 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:54:21,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:54:21,121 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:54:21,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:54:21,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:54:21,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:54:21,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:54:21,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:54:21,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:54:21,124 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:54:21,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:54:21,124 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:54:21,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:54:21,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:54:21,125 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:54:21,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:54:21,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:54:21,126 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:54:21,126 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:54:21,127 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:54:21,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:54:21,127 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:54:21,127 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:54:21,127 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:54:21,128 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_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c5f43b3e9ff1d4598a5a525fe9e716f863331c4c517b4b8adb0491943243286 [2021-11-25 19:54:21,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:54:21,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:54:21,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:54:21,465 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:54:21,466 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:54:21,467 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/loops-crafted-1/mono-crafted_10.c [2021-11-25 19:54:21,540 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/data/9a7f6932f/ad1fe34fd5fa4c499b9c84b6a94d041f/FLAG439247b7e [2021-11-25 19:54:22,055 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:54:22,056 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/sv-benchmarks/c/loops-crafted-1/mono-crafted_10.c [2021-11-25 19:54:22,066 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/data/9a7f6932f/ad1fe34fd5fa4c499b9c84b6a94d041f/FLAG439247b7e [2021-11-25 19:54:22,452 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/data/9a7f6932f/ad1fe34fd5fa4c499b9c84b6a94d041f [2021-11-25 19:54:22,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:54:22,456 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:54:22,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:54:22,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:54:22,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:54:22,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:54:22" (1/1) ... [2021-11-25 19:54:22,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@443ef200 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:22, skipping insertion in model container [2021-11-25 19:54:22,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:54:22" (1/1) ... [2021-11-25 19:54:22,484 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:54:22,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:54:22,707 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_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/sv-benchmarks/c/loops-crafted-1/mono-crafted_10.c[319,332] [2021-11-25 19:54:22,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:54:22,729 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:54:22,741 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_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/sv-benchmarks/c/loops-crafted-1/mono-crafted_10.c[319,332] [2021-11-25 19:54:22,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:54:22,756 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:54:22,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:22 WrapperNode [2021-11-25 19:54:22,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:54:22,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:54:22,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:54:22,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:54:22,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:22" (1/1) ... [2021-11-25 19:54:22,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:22" (1/1) ... [2021-11-25 19:54:22,793 INFO L137 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 32 [2021-11-25 19:54:22,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:54:22,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:54:22,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:54:22,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:54:22,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:22" (1/1) ... [2021-11-25 19:54:22,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:22" (1/1) ... [2021-11-25 19:54:22,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:22" (1/1) ... [2021-11-25 19:54:22,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:22" (1/1) ... [2021-11-25 19:54:22,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:22" (1/1) ... [2021-11-25 19:54:22,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:22" (1/1) ... [2021-11-25 19:54:22,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:22" (1/1) ... [2021-11-25 19:54:22,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:54:22,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:54:22,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:54:22,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:54:22,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:22" (1/1) ... [2021-11-25 19:54:22,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:54:22,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:54:22,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:54:22,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:54:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:54:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:54:22,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:54:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:54:22,968 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:54:22,970 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:54:23,116 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:54:23,139 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:54:23,139 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 19:54:23,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:54:23 BoogieIcfgContainer [2021-11-25 19:54:23,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:54:23,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:54:23,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:54:23,147 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:54:23,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:54:22" (1/3) ... [2021-11-25 19:54:23,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d066d47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:54:23, skipping insertion in model container [2021-11-25 19:54:23,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:22" (2/3) ... [2021-11-25 19:54:23,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d066d47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:54:23, skipping insertion in model container [2021-11-25 19:54:23,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:54:23" (3/3) ... [2021-11-25 19:54:23,150 INFO L111 eAbstractionObserver]: Analyzing ICFG mono-crafted_10.c [2021-11-25 19:54:23,155 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:54:23,155 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:54:23,200 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:54:23,207 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 19:54:23,208 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:54:23,221 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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 19:54:23,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 19:54:23,225 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:54:23,226 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-25 19:54:23,226 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:54:23,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:54:23,232 INFO L85 PathProgramCache]: Analyzing trace with hash 2065030, now seen corresponding path program 1 times [2021-11-25 19:54:23,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:54:23,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544706273] [2021-11-25 19:54:23,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:54:23,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:54:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:54:23,606 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 19:54:23,607 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:54:23,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544706273] [2021-11-25 19:54:23,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544706273] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:54:23,608 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:54:23,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:54:23,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299493110] [2021-11-25 19:54:23,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:54:23,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:54:23,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:54:23,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:54:23,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:54:23,657 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 19:54:23,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:54:23,682 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2021-11-25 19:54:23,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:54:23,685 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2021-11-25 19:54:23,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:54:23,692 INFO L225 Difference]: With dead ends: 13 [2021-11-25 19:54:23,692 INFO L226 Difference]: Without dead ends: 6 [2021-11-25 19:54:23,695 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 19:54:23,699 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:54:23,700 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 19:54:23,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2021-11-25 19:54:23,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2021-11-25 19:54:23,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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 19:54:23,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2021-11-25 19:54:23,742 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2021-11-25 19:54:23,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:54:23,743 INFO L470 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2021-11-25 19:54:23,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 19:54:23,743 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2021-11-25 19:54:23,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 19:54:23,744 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:54:23,744 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-25 19:54:23,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:54:23,746 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:54:23,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:54:23,749 INFO L85 PathProgramCache]: Analyzing trace with hash 64119683, now seen corresponding path program 1 times [2021-11-25 19:54:23,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:54:23,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146682760] [2021-11-25 19:54:23,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:54:23,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:54:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:54:23,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:54:23,887 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:54:23,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146682760] [2021-11-25 19:54:23,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146682760] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:54:23,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174831588] [2021-11-25 19:54:23,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:54:23,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:54:23,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:54:23,890 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:54:23,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 19:54:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:54:23,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 19:54:23,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:54:24,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:54:24,023 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:54:24,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:54:24,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174831588] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:54:24,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1350582995] [2021-11-25 19:54:24,112 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2021-11-25 19:54:24,120 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:54:24,124 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:54:24,130 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:54:24,130 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:54:24,441 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 19:54:24,572 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '69#(and (= |ULTIMATE.start_main_~y~0#1| 10000000) (<= 0 |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= (mod |ULTIMATE.start_main_~y~0#1| 4294967296) (mod |ULTIMATE.start_main_~x~0#1| 4294967296)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 5000000 |ULTIMATE.start_main_~z~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= (ite (= (mod |ULTIMATE.start_main_~x~0#1| 4294967296) (mod |ULTIMATE.start_main_~z~0#1| 4294967296)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|))' at error location [2021-11-25 19:54:24,572 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 19:54:24,572 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-25 19:54:24,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2021-11-25 19:54:24,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912869010] [2021-11-25 19:54:24,574 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-25 19:54:24,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 19:54:24,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:54:24,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 19:54:24,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:54:24,578 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 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 19:54:24,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:54:24,648 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2021-11-25 19:54:24,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 19:54:24,650 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 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) Word has length 5 [2021-11-25 19:54:24,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:54:24,650 INFO L225 Difference]: With dead ends: 12 [2021-11-25 19:54:24,650 INFO L226 Difference]: Without dead ends: 9 [2021-11-25 19:54:24,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-11-25 19:54:24,653 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:54:24,654 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 19:54:24,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-11-25 19:54:24,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-25 19:54:24,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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 19:54:24,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2021-11-25 19:54:24,660 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2021-11-25 19:54:24,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:54:24,660 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2021-11-25 19:54:24,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 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 19:54:24,661 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2021-11-25 19:54:24,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 19:54:24,661 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:54:24,662 INFO L514 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1] [2021-11-25 19:54:24,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 19:54:24,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:54:24,862 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:54:24,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:54:24,863 INFO L85 PathProgramCache]: Analyzing trace with hash -967943738, now seen corresponding path program 2 times [2021-11-25 19:54:24,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:54:24,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025268070] [2021-11-25 19:54:24,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:54:24,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:54:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:54:25,073 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:54:25,073 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:54:25,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025268070] [2021-11-25 19:54:25,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025268070] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:54:25,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466723236] [2021-11-25 19:54:25,078 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-25 19:54:25,078 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:54:25,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:54:25,081 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:54:25,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 19:54:25,146 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-25 19:54:25,146 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 19:54:25,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 19:54:25,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:54:25,288 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:54:25,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:54:25,424 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:54:25,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466723236] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:54:25,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1579585767] [2021-11-25 19:54:25,427 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2021-11-25 19:54:25,427 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:54:25,428 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:54:25,428 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:54:25,428 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:54:25,528 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 19:54:25,857 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '163#(and (<= 0 |#NULL.base|) (<= |ULTIMATE.start_main_~y~0#1| 10000000) (<= 10000000 |ULTIMATE.start_main_~y~0#1|) (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= (mod |ULTIMATE.start_main_~y~0#1| 4294967296) (mod |ULTIMATE.start_main_~x~0#1| 4294967296)) (<= |#NULL.base| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 5000000 |ULTIMATE.start_main_~z~0#1|) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (= (ite (= (mod |ULTIMATE.start_main_~x~0#1| 4294967296) (mod |ULTIMATE.start_main_~z~0#1| 4294967296)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|))' at error location [2021-11-25 19:54:25,858 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 19:54:25,858 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-25 19:54:25,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 15 [2021-11-25 19:54:25,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50198132] [2021-11-25 19:54:25,859 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-25 19:54:25,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-25 19:54:25,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:54:25,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-25 19:54:25,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2021-11-25 19:54:25,861 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 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 19:54:26,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:54:26,876 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2021-11-25 19:54:26,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-25 19:54:26,877 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 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) Word has length 8 [2021-11-25 19:54:26,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:54:26,877 INFO L225 Difference]: With dead ends: 18 [2021-11-25 19:54:26,877 INFO L226 Difference]: Without dead ends: 15 [2021-11-25 19:54:26,878 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=158, Invalid=348, Unknown=0, NotChecked=0, Total=506 [2021-11-25 19:54:26,879 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:54:26,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 19:54:26,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-11-25 19:54:26,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-11-25 19:54:26,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 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 19:54:26,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2021-11-25 19:54:26,884 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2021-11-25 19:54:26,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:54:26,884 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2021-11-25 19:54:26,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 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 19:54:26,885 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2021-11-25 19:54:26,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 19:54:26,886 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:54:26,886 INFO L514 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1] [2021-11-25 19:54:26,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 19:54:27,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:54:27,087 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:54:27,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:54:27,088 INFO L85 PathProgramCache]: Analyzing trace with hash -313388890, now seen corresponding path program 3 times [2021-11-25 19:54:27,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:54:27,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847355473] [2021-11-25 19:54:27,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:54:27,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:54:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:54:27,445 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:54:27,445 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:54:27,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847355473] [2021-11-25 19:54:27,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847355473] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:54:27,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28221310] [2021-11-25 19:54:27,446 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-25 19:54:27,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:54:27,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:54:27,447 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:54:27,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 19:54:27,507 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-25 19:54:27,507 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 19:54:27,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-25 19:54:27,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:54:27,861 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:54:27,861 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:54:28,262 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:54:28,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [28221310] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:54:28,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [664576893] [2021-11-25 19:54:28,265 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2021-11-25 19:54:28,265 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:54:28,265 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:54:28,265 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:54:28,265 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:54:28,381 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 19:54:28,759 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '341#(and (<= 0 |#NULL.base|) (<= |ULTIMATE.start_main_~y~0#1| 10000000) (<= 10000000 |ULTIMATE.start_main_~y~0#1|) (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= (mod |ULTIMATE.start_main_~y~0#1| 4294967296) (mod |ULTIMATE.start_main_~x~0#1| 4294967296)) (<= |#NULL.base| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 5000000 |ULTIMATE.start_main_~z~0#1|) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (= (ite (= (mod |ULTIMATE.start_main_~x~0#1| 4294967296) (mod |ULTIMATE.start_main_~z~0#1| 4294967296)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|))' at error location [2021-11-25 19:54:28,759 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 19:54:28,759 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-25 19:54:28,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 33 [2021-11-25 19:54:28,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604949472] [2021-11-25 19:54:28,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-25 19:54:28,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-25 19:54:28,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:54:28,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-25 19:54:28,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=334, Invalid=998, Unknown=0, NotChecked=0, Total=1332 [2021-11-25 19:54:28,762 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 34 states, 34 states have (on average 1.088235294117647) internal successors, (37), 33 states have internal predecessors, (37), 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 19:54:38,364 WARN L227 SmtUtils]: Spent 6.00s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 19:54:56,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:54:56,698 INFO L93 Difference]: Finished difference Result 30 states and 41 transitions. [2021-11-25 19:54:56,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-25 19:54:56,698 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 1.088235294117647) internal successors, (37), 33 states have internal predecessors, (37), 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) Word has length 14 [2021-11-25 19:54:56,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:54:56,699 INFO L225 Difference]: With dead ends: 30 [2021-11-25 19:54:56,699 INFO L226 Difference]: Without dead ends: 27 [2021-11-25 19:54:56,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 607 ImplicationChecksByTransitivity, 28.5s TimeCoverageRelationStatistics Valid=674, Invalid=1488, Unknown=0, NotChecked=0, Total=2162 [2021-11-25 19:54:56,702 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:54:56,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-25 19:54:56,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-11-25 19:54:56,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-11-25 19:54:56,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 states have internal predecessors, (27), 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 19:54:56,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2021-11-25 19:54:56,710 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 14 [2021-11-25 19:54:56,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:54:56,710 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2021-11-25 19:54:56,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.088235294117647) internal successors, (37), 33 states have internal predecessors, (37), 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 19:54:56,711 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2021-11-25 19:54:56,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 19:54:56,712 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:54:56,712 INFO L514 BasicCegarLoop]: trace histogram [22, 1, 1, 1, 1] [2021-11-25 19:54:56,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-25 19:54:56,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:54:56,925 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:54:56,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:54:56,926 INFO L85 PathProgramCache]: Analyzing trace with hash 292652646, now seen corresponding path program 4 times [2021-11-25 19:54:56,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:54:56,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482096701] [2021-11-25 19:54:56,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:54:56,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:54:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:54:57,746 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:54:57,746 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:54:57,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482096701] [2021-11-25 19:54:57,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482096701] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:54:57,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559560150] [2021-11-25 19:54:57,747 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-25 19:54:57,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:54:57,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:54:57,753 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:54:57,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 19:54:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:54:57,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-25 19:54:57,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:54:59,044 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:54:59,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:55:00,424 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:55:00,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [559560150] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:55:00,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [128105723] [2021-11-25 19:55:00,427 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2021-11-25 19:55:00,427 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:55:00,427 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:55:00,428 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:55:00,428 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:55:00,570 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 19:55:00,913 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '687#(and (= |ULTIMATE.start_main_~y~0#1| 10000000) (<= 0 |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= (mod |ULTIMATE.start_main_~y~0#1| 4294967296) (mod |ULTIMATE.start_main_~x~0#1| 4294967296)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 5000000 |ULTIMATE.start_main_~z~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= (ite (= (mod |ULTIMATE.start_main_~x~0#1| 4294967296) (mod |ULTIMATE.start_main_~z~0#1| 4294967296)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|))' at error location [2021-11-25 19:55:00,914 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 19:55:00,914 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-25 19:55:00,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 69 [2021-11-25 19:55:00,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943983855] [2021-11-25 19:55:00,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-25 19:55:00,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2021-11-25 19:55:00,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:55:00,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-11-25 19:55:00,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1246, Invalid=4010, Unknown=0, NotChecked=0, Total=5256 [2021-11-25 19:55:00,919 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand has 70 states, 70 states have (on average 1.042857142857143) internal successors, (73), 69 states have internal predecessors, (73), 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 19:56:46,051 WARN L227 SmtUtils]: Spent 1.18m on a formula simplification that was a NOOP. DAG size: 95 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 19:56:48,472 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_main_~y~0#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 15) 4294967296) .cse0) (< (mod (+ 6 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ 2 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296) .cse0) (< (mod (+ 16 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ 21 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 20) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 18) 4294967296) .cse0) (< (mod (+ 19 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 17) 4294967296) .cse0) (< (mod (+ 9 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ 3 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 13) 4294967296) .cse0) (< (mod (+ 5 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 1) 4294967296) .cse0) (< (mod (+ 14 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 11) 4294967296) .cse0))) is different from false [2021-11-25 19:58:17,737 WARN L227 SmtUtils]: Spent 54.19s on a formula simplification that was a NOOP. DAG size: 87 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 19:58:18,983 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:58:21,506 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_main_~y~0#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 15) 4294967296) .cse0) (< (mod (+ 6 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ 2 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296) .cse0) (< (mod (+ 16 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 18) 4294967296) .cse0) (< (mod (+ 19 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 17) 4294967296) .cse0) (< (mod (+ 9 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ 3 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 13) 4294967296) .cse0) (< (mod (+ 5 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 1) 4294967296) .cse0) (< (mod (+ 14 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 11) 4294967296) .cse0))) is different from false [2021-11-25 19:58:23,512 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_main_~y~0#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 15) 4294967296) .cse0) (< (mod (+ 6 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ 2 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296) .cse0) (< (mod (+ 16 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 18) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 17) 4294967296) .cse0) (< (mod (+ 9 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ 3 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 13) 4294967296) .cse0) (< (mod (+ 5 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 1) 4294967296) .cse0) (< (mod (+ 14 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 11) 4294967296) .cse0))) is different from false [2021-11-25 19:58:25,521 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_main_~y~0#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 15) 4294967296) .cse0) (< (mod (+ 6 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ 2 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296) .cse0) (< (mod (+ 16 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 17) 4294967296) .cse0) (< (mod (+ 9 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ 3 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 13) 4294967296) .cse0) (< (mod (+ 5 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 1) 4294967296) .cse0) (< (mod (+ 14 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 11) 4294967296) .cse0))) is different from false [2021-11-25 19:59:36,211 WARN L227 SmtUtils]: Spent 35.70s on a formula simplification that was a NOOP. DAG size: 71 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 19:59:38,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:59:40,744 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_main_~y~0#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 15) 4294967296) .cse0) (< (mod (+ 6 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ 2 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296) .cse0) (< (mod (+ 9 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ 3 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 13) 4294967296) .cse0) (< (mod (+ 5 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 1) 4294967296) .cse0) (< (mod (+ 14 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 11) 4294967296) .cse0))) is different from false [2021-11-25 19:59:42,751 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_main_~y~0#1| 4294967296))) (and (< (mod (+ 6 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ 2 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296) .cse0) (< (mod (+ 9 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ 3 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 13) 4294967296) .cse0) (< (mod (+ 5 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 1) 4294967296) .cse0) (< (mod (+ 14 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 11) 4294967296) .cse0))) is different from false [2021-11-25 20:00:25,219 WARN L227 SmtUtils]: Spent 22.18s on a formula simplification that was a NOOP. DAG size: 59 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 20:00:50,622 WARN L227 SmtUtils]: Spent 6.71s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 20:00:52,682 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_main_~y~0#1| 4294967296))) (and (< (mod (+ 6 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ 2 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296) .cse0) (< (mod (+ 9 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ 3 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ 5 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 1) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 11) 4294967296) .cse0))) is different from false [2021-11-25 20:01:31,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:01:31,985 INFO L93 Difference]: Finished difference Result 54 states and 77 transitions. [2021-11-25 20:01:31,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-25 20:01:31,986 INFO L78 Accepts]: Start accepts. Automaton has has 70 states, 70 states have (on average 1.042857142857143) internal successors, (73), 69 states have internal predecessors, (73), 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) Word has length 26 [2021-11-25 20:01:31,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:01:31,987 INFO L225 Difference]: With dead ends: 54 [2021-11-25 20:01:31,987 INFO L226 Difference]: Without dead ends: 51 [2021-11-25 20:01:31,991 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 93 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 2233 ImplicationChecksByTransitivity, 387.7s TimeCoverageRelationStatistics Valid=2223, Invalid=5448, Unknown=13, NotChecked=1246, Total=8930 [2021-11-25 20:01:31,992 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 7 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:01:31,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 714 Invalid, 0 Unknown, 7 Unchecked, 6.2s Time] [2021-11-25 20:01:31,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-11-25 20:01:32,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-11-25 20:01:32,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.02) internal successors, (51), 50 states have internal predecessors, (51), 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 20:01:32,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2021-11-25 20:01:32,006 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 26 [2021-11-25 20:01:32,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:01:32,006 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2021-11-25 20:01:32,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 1.042857142857143) internal successors, (73), 69 states have internal predecessors, (73), 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 20:01:32,007 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2021-11-25 20:01:32,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-25 20:01:32,009 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:01:32,009 INFO L514 BasicCegarLoop]: trace histogram [46, 1, 1, 1, 1] [2021-11-25 20:01:32,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 20:01:32,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:01:32,228 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:01:32,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:01:32,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1910018534, now seen corresponding path program 5 times [2021-11-25 20:01:32,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:01:32,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153670345] [2021-11-25 20:01:32,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:01:32,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:01:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:01:34,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:01:34,598 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:01:34,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153670345] [2021-11-25 20:01:34,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153670345] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 20:01:34,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661213889] [2021-11-25 20:01:34,599 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-25 20:01:34,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:01:34,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:01:34,607 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:01:34,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d88fd1-8af5-41c2-8f97-7c1ed224ddf6/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 20:02:23,446 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) [2021-11-25 20:02:23,446 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 20:02:23,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 111 conjunts are in the unsatisfiable core [2021-11-25 20:02:23,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:02:26,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:02:26,597 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:02:43,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:02:43,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661213889] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:02:43,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1994396636] [2021-11-25 20:02:43,045 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2021-11-25 20:02:43,046 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:02:43,046 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:02:43,046 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:02:43,046 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:02:43,172 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:02:45,233 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1369#(and (= |ULTIMATE.start_main_~y~0#1| 10000000) (<= 0 |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= (mod |ULTIMATE.start_main_~y~0#1| 4294967296) (mod |ULTIMATE.start_main_~x~0#1| 4294967296)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 5000000 |ULTIMATE.start_main_~z~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= (ite (= (mod |ULTIMATE.start_main_~x~0#1| 4294967296) (mod |ULTIMATE.start_main_~z~0#1| 4294967296)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|))' at error location [2021-11-25 20:02:45,233 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 20:02:45,237 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-25 20:02:45,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 141 [2021-11-25 20:02:45,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822442723] [2021-11-25 20:02:45,238 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-25 20:02:45,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 142 states [2021-11-25 20:02:45,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:02:45,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2021-11-25 20:02:45,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4890, Invalid=15990, Unknown=0, NotChecked=0, Total=20880 [2021-11-25 20:02:45,250 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand has 142 states, 142 states have (on average 1.0211267605633803) internal successors, (145), 141 states have internal predecessors, (145), 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 20:02:49,078 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse38 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 27) 4294967296)) (.cse13 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296)) (.cse43 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 18) 4294967296)) (.cse46 (mod (+ 22 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse45 (mod (+ 5 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse59 (mod (+ 2 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse61 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 15) 4294967296)) (.cse55 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296)) (.cse24 (mod (+ 3 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse54 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 11) 4294967296)) (.cse71 (mod (+ 6 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse26 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 20) 4294967296)) (.cse73 (mod (+ 16 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse58 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 25) 4294967296)) (.cse74 (mod (+ 23 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse30 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 1) 4294967296)) (.cse33 (mod (+ 14 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse68 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 12) 4294967296)) (.cse63 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 24) 4294967296)) (.cse67 (mod (+ 7 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse22 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296)) (.cse65 (mod (+ 21 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse70 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296)) (.cse8 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 17) 4294967296)) (.cse50 (mod (+ 19 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse51 (mod (+ 9 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse56 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 26) 4294967296)) (.cse0 (mod |c_ULTIMATE.start_main_~y~0#1| 4294967296)) (.cse60 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 13) 4294967296))) (let ((.cse16 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 39) 4294967296)) (.cse2 (mod (+ 31 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse3 (<= .cse0 .cse60)) (.cse4 (mod (+ 44 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse20 (mod (+ 40 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse34 (<= .cse0 .cse56)) (.cse14 (<= .cse0 .cse51)) (.cse36 (mod (+ 41 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse25 (<= .cse0 .cse50)) (.cse27 (<= .cse0 .cse8)) (.cse44 (<= .cse0 .cse70)) (.cse17 (<= .cse0 .cse65)) (.cse18 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 38) 4294967296)) (.cse42 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 37) 4294967296)) (.cse10 (mod (+ 29 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse1 (mod (+ 30 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse52 (<= .cse0 .cse22)) (.cse21 (<= .cse0 .cse67)) (.cse39 (<= .cse0 .cse63)) (.cse48 (<= .cse0 .cse68)) (.cse31 (<= .cse0 .cse33)) (.cse15 (<= .cse0 .cse30)) (.cse37 (<= .cse0 .cse74)) (.cse40 (mod (+ 42 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse35 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 43) 4294967296)) (.cse57 (<= .cse0 .cse58)) (.cse7 (<= .cse0 .cse73)) (.cse29 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 34) 4294967296)) (.cse5 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 45) 4294967296)) (.cse47 (<= .cse0 .cse26)) (.cse62 (<= .cse0 .cse71)) (.cse11 (<= .cse0 .cse54)) (.cse64 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 33) 4294967296)) (.cse32 (mod (+ 32 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse66 (<= .cse0 .cse24)) (.cse9 (<= .cse0 .cse55)) (.cse69 (<= .cse0 .cse61)) (.cse23 (<= .cse0 .cse59)) (.cse72 (<= .cse0 .cse45)) (.cse19 (<= .cse0 .cse46)) (.cse49 (<= .cse0 .cse43)) (.cse28 (mod (+ 35 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse41 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 36) 4294967296)) (.cse53 (<= .cse0 .cse13)) (.cse12 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 28) 4294967296)) (.cse6 (<= .cse0 .cse38))) (and (or (<= .cse0 .cse1) (< .cse2 .cse0) .cse3) (or (<= .cse0 .cse4) (< .cse5 .cse0) .cse6) (or .cse7 (< .cse8 .cse0) .cse9) (or (< .cse10 .cse0) .cse11 (<= .cse0 .cse12)) (or (< .cse13 .cse0) .cse14 .cse15) (or (< .cse16 .cse0) .cse17 (<= .cse0 .cse18)) (or .cse19 (< .cse20 .cse0) (<= .cse0 .cse16)) (or .cse21 (< .cse22 .cse0) .cse9) (or .cse23 (< .cse24 .cse0) .cse9) (or .cse25 (< .cse26 .cse0) .cse23) (or .cse27 (< .cse28 .cse0) (<= .cse0 .cse29)) (or .cse9 (< .cse30 .cse0)) (or (<= .cse0 .cse2) .cse31 (< .cse32 .cse0)) (or .cse9 .cse3 (< .cse33 .cse0)) (or .cse34 (<= .cse0 .cse35) (< .cse4 .cse0)) (or (< .cse36 .cse0) .cse37 (<= .cse0 .cse20)) (or .cse34 .cse14 (< .cse38 .cse0)) (or (<= .cse0 .cse36) .cse39 (< .cse40 .cse0)) (or .cse25 (<= .cse0 .cse41) (< .cse42 .cse0)) (or .cse27 (< .cse43 .cse0) .cse9) (or .cse44 (< .cse45 .cse0) .cse9) (or .cse44 (< .cse46 .cse0) .cse17) (or (< .cse18 .cse0) (<= .cse0 .cse42) .cse47) (or (<= .cse0 .cse10) (< .cse1 .cse0) .cse48) (or .cse49 (< .cse50 .cse0) .cse15) (or (< .cse51 .cse0) .cse9 .cse52) (or .cse23 .cse53 (< .cse54 .cse0)) (< .cse55 .cse0) (or (< .cse56 .cse0) .cse57 .cse52) (or .cse21 (< .cse58 .cse0) .cse39) (or (< .cse59 .cse0) .cse9 .cse15) (or .cse48 (< .cse60 .cse0) .cse15) (or (< .cse61 .cse0) .cse31 .cse15) (or .cse62 .cse37 (< .cse63 .cse0)) (or (<= .cse0 .cse40) (< .cse35 .cse0) .cse57) (or .cse7 (< .cse29 .cse0) (<= .cse0 .cse64)) (or .cse9 (< (mod (+ 46 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (<= .cse0 .cse5)) (or (< .cse65 .cse0) .cse66 .cse47) (or .cse62 .cse9 (< .cse67 .cse0)) (or .cse11 .cse9 (< .cse68 .cse0)) (or (< .cse64 .cse0) .cse69 (<= .cse0 .cse32)) (or (< .cse70 .cse0) .cse66 .cse9) (or (< .cse71 .cse0) .cse72 .cse9) (or (< .cse73 .cse0) .cse69 .cse23) (or (< .cse74 .cse0) .cse72 .cse19) (or .cse49 (<= .cse0 .cse28) (< .cse41 .cse0)) (or .cse53 (< .cse12 .cse0) .cse6)))) is different from false