./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V --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 352373f9b097794e6947f5064b04543cec809ba042ac0b3a931e0e161838d7d3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:12:01,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:12:01,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:12:01,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:12:01,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:12:01,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:12:01,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:12:01,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:12:01,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:12:01,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:12:01,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:12:01,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:12:01,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:12:01,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:12:01,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:12:01,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:12:01,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:12:01,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:12:01,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:12:01,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:12:01,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:12:01,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:12:01,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:12:01,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:12:01,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:12:01,914 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:12:01,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:12:01,916 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:12:01,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:12:01,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:12:01,918 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:12:01,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:12:01,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:12:01,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:12:01,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:12:01,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:12:01,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:12:01,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:12:01,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:12:01,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:12:01,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:12:01,932 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 03:12:01,978 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:12:01,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:12:01,979 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:12:01,979 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:12:01,980 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:12:01,981 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:12:01,981 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:12:01,981 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:12:01,981 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:12:01,981 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:12:01,983 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:12:01,983 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:12:01,983 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:12:01,983 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:12:01,984 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:12:01,984 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:12:01,984 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:12:01,984 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:12:01,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:12:01,985 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:12:01,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:12:01,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:12:01,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:12:01,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:12:01,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:12:01,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:12:01,988 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:12:01,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:12:01,988 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:12:01,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:12:01,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:12:01,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:12:01,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:12:01,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:12:01,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:12:01,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:12:01,990 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:12:01,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:12:01,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:12:01,991 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:12:01,991 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:12:01,991 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_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 352373f9b097794e6947f5064b04543cec809ba042ac0b3a931e0e161838d7d3 [2021-11-23 03:12:02,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:12:02,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:12:02,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:12:02,289 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:12:02,292 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:12:02,293 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound50.c [2021-11-23 03:12:02,361 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/data/4a4fb10b3/27be63208ed14fae8c1da33fb7868e00/FLAG18e72b736 [2021-11-23 03:12:02,817 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:12:02,817 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound50.c [2021-11-23 03:12:02,824 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/data/4a4fb10b3/27be63208ed14fae8c1da33fb7868e00/FLAG18e72b736 [2021-11-23 03:12:02,849 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/data/4a4fb10b3/27be63208ed14fae8c1da33fb7868e00 [2021-11-23 03:12:02,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:12:02,853 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:12:02,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:12:02,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:12:02,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:12:02,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:12:02" (1/1) ... [2021-11-23 03:12:02,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@629be3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:02, skipping insertion in model container [2021-11-23 03:12:02,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:12:02" (1/1) ... [2021-11-23 03:12:02,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:12:02,883 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:12:03,028 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_bea95ee3-e89f-40e1-bb5b-907e126ba65f/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound50.c[537,550] [2021-11-23 03:12:03,061 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:12:03,077 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:12:03,094 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_bea95ee3-e89f-40e1-bb5b-907e126ba65f/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound50.c[537,550] [2021-11-23 03:12:03,117 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:12:03,131 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:12:03,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:03 WrapperNode [2021-11-23 03:12:03,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:12:03,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:12:03,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:12:03,133 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:12:03,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:03" (1/1) ... [2021-11-23 03:12:03,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:03" (1/1) ... [2021-11-23 03:12:03,166 INFO L137 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2021-11-23 03:12:03,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:12:03,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:12:03,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:12:03,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:12:03,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:03" (1/1) ... [2021-11-23 03:12:03,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:03" (1/1) ... [2021-11-23 03:12:03,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:03" (1/1) ... [2021-11-23 03:12:03,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:03" (1/1) ... [2021-11-23 03:12:03,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:03" (1/1) ... [2021-11-23 03:12:03,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:03" (1/1) ... [2021-11-23 03:12:03,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:03" (1/1) ... [2021-11-23 03:12:03,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:12:03,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:12:03,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:12:03,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:12:03,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:03" (1/1) ... [2021-11-23 03:12:03,199 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:12:03,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:12:03,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:12:03,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:12:03,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:12:03,260 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 03:12:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 03:12:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:12:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:12:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:12:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 03:12:03,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 03:12:03,328 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:12:03,329 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:12:03,479 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:12:03,535 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:12:03,536 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 03:12:03,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:12:03 BoogieIcfgContainer [2021-11-23 03:12:03,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:12:03,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:12:03,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:12:03,559 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:12:03,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:12:02" (1/3) ... [2021-11-23 03:12:03,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f24d7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:12:03, skipping insertion in model container [2021-11-23 03:12:03,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:03" (2/3) ... [2021-11-23 03:12:03,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f24d7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:12:03, skipping insertion in model container [2021-11-23 03:12:03,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:12:03" (3/3) ... [2021-11-23 03:12:03,563 INFO L111 eAbstractionObserver]: Analyzing ICFG prodbin-ll_valuebound50.c [2021-11-23 03:12:03,571 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:12:03,572 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 03:12:03,632 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:12:03,640 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 [2021-11-23 03:12:03,640 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 03:12:03,659 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-23 03:12:03,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 03:12:03,676 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:12:03,676 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:12:03,679 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:12:03,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:12:03,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1772938727, now seen corresponding path program 1 times [2021-11-23 03:12:03,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:12:03,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602030784] [2021-11-23 03:12:03,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:12:03,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:12:03,886 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:12:03,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1416241722] [2021-11-23 03:12:03,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:12:03,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:12:03,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:12:03,895 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:12:03,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 03:12:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:12:03,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 03:12:04,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:12:04,253 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 03:12:04,253 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:12:04,253 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:12:04,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602030784] [2021-11-23 03:12:04,255 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:12:04,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1416241722] [2021-11-23 03:12:04,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1416241722] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:12:04,257 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:12:04,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 03:12:04,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782358430] [2021-11-23 03:12:04,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:12:04,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 03:12:04,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:12:04,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 03:12:04,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:12:04,303 INFO L87 Difference]: Start difference. First operand has 20 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-23 03:12:04,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:12:04,394 INFO L93 Difference]: Finished difference Result 42 states and 57 transitions. [2021-11-23 03:12:04,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:12:04,397 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 17 [2021-11-23 03:12:04,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:12:04,405 INFO L225 Difference]: With dead ends: 42 [2021-11-23 03:12:04,406 INFO L226 Difference]: Without dead ends: 26 [2021-11-23 03:12:04,409 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-23 03:12:04,413 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 7 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:12:04,415 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 63 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 03:12:04,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-23 03:12:04,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2021-11-23 03:12:04,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 16 states have internal predecessors, (16), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-23 03:12:04,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2021-11-23 03:12:04,451 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 17 [2021-11-23 03:12:04,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:12:04,452 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-11-23 03:12:04,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-23 03:12:04,453 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2021-11-23 03:12:04,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 03:12:04,455 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:12:04,455 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:12:04,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:12:04,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-23 03:12:04,680 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:12:04,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:12:04,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1457957052, now seen corresponding path program 1 times [2021-11-23 03:12:04,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:12:04,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307728018] [2021-11-23 03:12:04,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:12:04,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:12:04,698 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:12:04,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [721198786] [2021-11-23 03:12:04,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:12:04,699 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:12:04,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:12:04,700 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:12:04,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 03:12:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:12:04,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 03:12:04,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:12:04,915 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 03:12:04,915 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:12:04,916 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:12:04,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307728018] [2021-11-23 03:12:04,916 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:12:04,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721198786] [2021-11-23 03:12:04,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721198786] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:12:04,917 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:12:04,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 03:12:04,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905896864] [2021-11-23 03:12:04,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:12:04,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 03:12:04,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:12:04,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 03:12:04,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:12:04,919 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-23 03:12:04,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:12:04,997 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2021-11-23 03:12:05,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:12:05,000 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 23 [2021-11-23 03:12:05,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:12:05,001 INFO L225 Difference]: With dead ends: 32 [2021-11-23 03:12:05,002 INFO L226 Difference]: Without dead ends: 25 [2021-11-23 03:12:05,002 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-23 03:12:05,004 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 5 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:12:05,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 50 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:12:05,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-11-23 03:12:05,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-11-23 03:12:05,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-23 03:12:05,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2021-11-23 03:12:05,012 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 23 [2021-11-23 03:12:05,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:12:05,012 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2021-11-23 03:12:05,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-23 03:12:05,013 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2021-11-23 03:12:05,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:12:05,013 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:12:05,014 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:12:05,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 03:12:05,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:12:05,232 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:12:05,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:12:05,233 INFO L85 PathProgramCache]: Analyzing trace with hash -489488164, now seen corresponding path program 1 times [2021-11-23 03:12:05,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:12:05,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018660769] [2021-11-23 03:12:05,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:12:05,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:12:05,253 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:12:05,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [375000016] [2021-11-23 03:12:05,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:12:05,257 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:12:05,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:12:05,259 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:12:05,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 03:12:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:12:05,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 03:12:05,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:12:06,638 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 03:12:06,638 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:12:15,592 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 03:12:15,593 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:12:15,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018660769] [2021-11-23 03:12:15,593 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:12:15,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375000016] [2021-11-23 03:12:15,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375000016] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:12:15,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [496950975] [2021-11-23 03:12:15,621 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2021-11-23 03:12:15,621 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:12:15,627 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:12:15,633 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:12:15,635 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:12:16,925 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 39 for LOIs [2021-11-23 03:12:17,420 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 8 for LOIs [2021-11-23 03:12:17,422 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 03:12:25,374 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '481#(and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= __VERIFIER_assert_~cond 0) (exists ((|v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_17| Int) (|v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_12| Int) (|v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_18| Int) (|v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_11| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| Int)) (and (<= |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_17| 2147483647) (<= 0 (+ |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_17| 2147483648)) (<= |v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_18| 2147483647) (= (ite (= (+ |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| (* |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_11|)) (* |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_17| |v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_18|)) 1 0) |__VERIFIER_assert_#in~cond|) (<= 0 (+ |v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_18| 2147483648)) (or (and (= |#NULL.offset| 0) (= |#NULL.base| 0)) (and (= |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| 0) (= |#NULL.offset| 0) (= |#NULL.base| 0))))) (<= 0 |#StackHeapBarrier|))' at error location [2021-11-23 03:12:25,374 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-23 03:12:25,374 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-23 03:12:25,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 15 [2021-11-23 03:12:25,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079032589] [2021-11-23 03:12:25,375 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-23 03:12:25,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-23 03:12:25,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:12:25,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-23 03:12:25,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=693, Unknown=0, NotChecked=0, Total=812 [2021-11-23 03:12:25,378 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 11 states have internal predecessors, (20), 7 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2021-11-23 03:12:33,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:12:33,637 INFO L93 Difference]: Finished difference Result 40 states and 47 transitions. [2021-11-23 03:12:33,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 03:12:33,638 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 11 states have internal predecessors, (20), 7 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) Word has length 24 [2021-11-23 03:12:33,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:12:33,640 INFO L225 Difference]: With dead ends: 40 [2021-11-23 03:12:33,640 INFO L226 Difference]: Without dead ends: 38 [2021-11-23 03:12:33,641 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=151, Invalid=905, Unknown=0, NotChecked=0, Total=1056 [2021-11-23 03:12:33,643 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 37 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:12:33,644 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 96 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-11-23 03:12:33,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-11-23 03:12:33,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2021-11-23 03:12:33,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 23 states have (on average 1.173913043478261) internal successors, (27), 25 states have internal predecessors, (27), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-23 03:12:33,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2021-11-23 03:12:33,654 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 24 [2021-11-23 03:12:33,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:12:33,654 INFO L470 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions. [2021-11-23 03:12:33,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 11 states have internal predecessors, (20), 7 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2021-11-23 03:12:33,655 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2021-11-23 03:12:33,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 03:12:33,656 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:12:33,656 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:12:33,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-23 03:12:33,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:12:33,860 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:12:33,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:12:33,861 INFO L85 PathProgramCache]: Analyzing trace with hash 750858559, now seen corresponding path program 1 times [2021-11-23 03:12:33,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:12:33,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769912236] [2021-11-23 03:12:33,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:12:33,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:12:33,875 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:12:33,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [348863228] [2021-11-23 03:12:33,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:12:33,876 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:12:33,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:12:33,877 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:12:33,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 03:12:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:12:33,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 03:12:33,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:12:34,036 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 03:12:34,036 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:12:34,160 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 03:12:34,160 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:12:34,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769912236] [2021-11-23 03:12:34,161 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:12:34,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348863228] [2021-11-23 03:12:34,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348863228] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:12:34,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [570581295] [2021-11-23 03:12:34,164 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2021-11-23 03:12:34,164 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:12:34,165 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:12:34,165 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:12:34,165 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:12:35,176 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 63 for LOIs [2021-11-23 03:12:35,861 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 8 for LOIs [2021-11-23 03:12:35,863 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 03:12:40,843 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '801#(and (exists ((|v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36| Int) (|v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_34| Int) (|v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_20| Int) (|v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_21| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| Int)) (and (<= 0 (+ |v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_34| 2147483648)) (<= 0 (+ |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36| 2147483648)) (or (and (= |#NULL.offset| 0) (= |#NULL.base| 0)) (and (= |#NULL.offset| 0) (= |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| 0) (= |#NULL.base| 0))) (<= |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36| 2147483647) (<= |v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_34| 2147483647) (= |__VERIFIER_assert_#in~cond| (ite (= (* |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36| |v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_34|) (+ |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| (* |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_20| |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_21|))) 1 0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= __VERIFIER_assert_~cond 0) (<= 0 |#StackHeapBarrier|))' at error location [2021-11-23 03:12:40,844 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-23 03:12:40,844 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-23 03:12:40,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2021-11-23 03:12:40,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214356506] [2021-11-23 03:12:40,845 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-23 03:12:40,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:12:40,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:12:40,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:12:40,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=496, Unknown=1, NotChecked=0, Total=600 [2021-11-23 03:12:40,847 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2021-11-23 03:12:42,861 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 03:12:42,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:12:42,924 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2021-11-23 03:12:42,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 03:12:42,925 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) Word has length 30 [2021-11-23 03:12:42,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:12:42,926 INFO L225 Difference]: With dead ends: 43 [2021-11-23 03:12:42,926 INFO L226 Difference]: Without dead ends: 36 [2021-11-23 03:12:42,927 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=118, Invalid=583, Unknown=1, NotChecked=0, Total=702 [2021-11-23 03:12:42,929 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 13 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:12:42,929 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 71 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 1 Unknown, 0 Unchecked, 2.0s Time] [2021-11-23 03:12:42,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-11-23 03:12:42,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-11-23 03:12:42,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 24 states have internal predecessors, (24), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-23 03:12:42,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2021-11-23 03:12:42,939 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 30 [2021-11-23 03:12:42,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:12:42,940 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2021-11-23 03:12:42,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2021-11-23 03:12:42,940 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2021-11-23 03:12:42,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 03:12:42,942 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:12:42,942 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:12:42,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-23 03:12:43,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:12:43,156 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:12:43,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:12:43,156 INFO L85 PathProgramCache]: Analyzing trace with hash -997597351, now seen corresponding path program 2 times [2021-11-23 03:12:43,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:12:43,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163212008] [2021-11-23 03:12:43,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:12:43,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:12:43,175 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:12:43,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1889390543] [2021-11-23 03:12:43,187 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-23 03:12:43,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:12:43,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:12:43,188 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:12:43,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 03:12:43,274 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-11-23 03:12:43,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 03:12:43,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-23 03:12:43,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:12:44,256 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 17 proven. 28 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 03:12:44,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:12:51,932 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:12:51,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163212008] [2021-11-23 03:12:51,932 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:12:51,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889390543] [2021-11-23 03:12:51,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889390543] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 03:12:51,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1454928986] [2021-11-23 03:12:51,935 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2021-11-23 03:12:51,935 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:12:51,936 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:12:51,936 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:12:51,936 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:12:52,882 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 39 for LOIs [2021-11-23 03:12:53,152 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 8 for LOIs [2021-11-23 03:12:53,154 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 03:12:56,707 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1105#(and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= __VERIFIER_assert_~cond 0) (<= 0 |#StackHeapBarrier|) (exists ((|v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_28| Int) (|v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_33| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_29| Int) (|v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_53| Int) (|v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_53| Int)) (and (<= 0 (+ |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_53| 2147483648)) (<= |v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_53| 2147483647) (<= |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_53| 2147483647) (= |__VERIFIER_assert_#in~cond| (ite (= (* |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_53| |v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_53|) (+ |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_29| (* |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_33|))) 1 0)) (<= 0 (+ |v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_53| 2147483648)) (or (and (= |#NULL.offset| 0) (= |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_29| 0) (= |#NULL.base| 0)) (and (= |#NULL.offset| 0) (= |#NULL.base| 0))))))' at error location [2021-11-23 03:12:56,708 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-23 03:12:56,708 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-23 03:12:56,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2021-11-23 03:12:56,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730246535] [2021-11-23 03:12:56,709 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-23 03:12:56,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 03:12:56,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:12:56,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 03:12:56,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=807, Unknown=1, NotChecked=0, Total=930 [2021-11-23 03:12:56,711 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 11 states have internal predecessors, (23), 7 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2021-11-23 03:12:59,318 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 03:13:02,506 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 03:13:02,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:13:02,797 INFO L93 Difference]: Finished difference Result 50 states and 53 transitions. [2021-11-23 03:13:02,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-23 03:13:02,797 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 11 states have internal predecessors, (23), 7 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 45 [2021-11-23 03:13:02,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:13:02,799 INFO L225 Difference]: With dead ends: 50 [2021-11-23 03:13:02,799 INFO L226 Difference]: Without dead ends: 48 [2021-11-23 03:13:02,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=165, Invalid=1094, Unknown=1, NotChecked=0, Total=1260 [2021-11-23 03:13:02,801 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 17 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:13:02,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 110 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-23 03:13:02,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-11-23 03:13:02,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 47. [2021-11-23 03:13:02,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 31 states have (on average 1.032258064516129) internal successors, (32), 32 states have internal predecessors, (32), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2021-11-23 03:13:02,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 50 transitions. [2021-11-23 03:13:02,812 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 50 transitions. Word has length 45 [2021-11-23 03:13:02,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:13:02,813 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 50 transitions. [2021-11-23 03:13:02,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 11 states have internal predecessors, (23), 7 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2021-11-23 03:13:02,814 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2021-11-23 03:13:02,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 03:13:02,815 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:13:02,815 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:13:02,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-23 03:13:03,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:13:03,032 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:13:03,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:13:03,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1414540388, now seen corresponding path program 3 times [2021-11-23 03:13:03,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:13:03,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50245254] [2021-11-23 03:13:03,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:13:03,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:13:03,057 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:13:03,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1729920577] [2021-11-23 03:13:03,057 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-23 03:13:03,058 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:13:03,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:13:03,059 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:13:03,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 03:13:07,928 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-23 03:13:07,928 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 03:13:07,934 WARN L261 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-23 03:13:07,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:14:20,949 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 7 proven. 45 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-23 03:14:20,949 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:14:45,550 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:14:45,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50245254] [2021-11-23 03:14:45,551 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:14:45,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729920577] [2021-11-23 03:14:45,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729920577] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 03:14:45,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1189041957] [2021-11-23 03:14:45,553 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2021-11-23 03:14:45,553 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:14:45,553 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:14:45,554 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:14:45,554 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:14:46,291 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 39 for LOIs [2021-11-23 03:14:46,515 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 8 for LOIs [2021-11-23 03:14:46,521 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 03:14:50,276 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1484#(and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= __VERIFIER_assert_~cond 0) (exists ((|v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_47| Int) (|v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_76| Int) (|v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_42| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_43| Int) (|v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_73| Int)) (and (<= 0 (+ |v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_73| 2147483648)) (<= |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_76| 2147483647) (<= 0 (+ |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_76| 2147483648)) (= (ite (= (* |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_76| |v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_73|) (+ |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_43| (* |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_47| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_42|))) 1 0) |__VERIFIER_assert_#in~cond|) (or (and (= |#NULL.offset| 0) (= |#NULL.base| 0)) (and (= |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_43| 0) (= |#NULL.offset| 0) (= |#NULL.base| 0))) (<= |v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_73| 2147483647))) (<= 0 |#StackHeapBarrier|))' at error location [2021-11-23 03:14:50,276 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-23 03:14:50,276 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-23 03:14:50,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2021-11-23 03:14:50,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316450033] [2021-11-23 03:14:50,277 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-23 03:14:50,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-23 03:14:50,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:14:50,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-23 03:14:50,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=1028, Unknown=8, NotChecked=0, Total=1190 [2021-11-23 03:14:50,279 INFO L87 Difference]: Start difference. First operand 47 states and 50 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 12 states have internal predecessors, (22), 7 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2021-11-23 03:14:57,638 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 03:14:57,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:14:57,947 INFO L93 Difference]: Finished difference Result 56 states and 59 transitions. [2021-11-23 03:14:57,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-23 03:14:57,948 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 12 states have internal predecessors, (22), 7 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) Word has length 52 [2021-11-23 03:14:57,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:14:57,949 INFO L225 Difference]: With dead ends: 56 [2021-11-23 03:14:57,949 INFO L226 Difference]: Without dead ends: 54 [2021-11-23 03:14:57,950 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 80 SyntacticMatches, 5 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 387 ImplicationChecksByTransitivity, 36.2s TimeCoverageRelationStatistics Valid=169, Invalid=1155, Unknown=8, NotChecked=0, Total=1332 [2021-11-23 03:14:57,951 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 17 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 46 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:14:57,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 208 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 195 Invalid, 0 Unknown, 46 Unchecked, 4.4s Time] [2021-11-23 03:14:57,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-11-23 03:14:57,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-11-23 03:14:57,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 36 states have (on average 1.0277777777777777) internal successors, (37), 37 states have internal predecessors, (37), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2021-11-23 03:14:57,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 57 transitions. [2021-11-23 03:14:57,980 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 57 transitions. Word has length 52 [2021-11-23 03:14:57,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:14:57,980 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 57 transitions. [2021-11-23 03:14:57,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 12 states have internal predecessors, (22), 7 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2021-11-23 03:14:57,981 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 57 transitions. [2021-11-23 03:14:57,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 03:14:57,983 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:14:57,983 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:14:57,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-23 03:14:58,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-23 03:14:58,191 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:14:58,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:14:58,192 INFO L85 PathProgramCache]: Analyzing trace with hash 798891513, now seen corresponding path program 4 times [2021-11-23 03:14:58,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:14:58,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949850721] [2021-11-23 03:14:58,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:14:58,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:14:58,202 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:14:58,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [679898826] [2021-11-23 03:14:58,223 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-23 03:14:58,223 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:14:58,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:14:58,224 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:14:58,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-23 03:14:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:14:58,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 03:14:58,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:14:59,607 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 27 proven. 59 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-11-23 03:14:59,607 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:15:00,558 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:15:00,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949850721] [2021-11-23 03:15:00,558 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:15:00,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679898826] [2021-11-23 03:15:00,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679898826] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 03:15:00,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [558048634] [2021-11-23 03:15:00,560 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2021-11-23 03:15:00,561 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:15:00,561 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:15:00,561 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:15:00,561 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:15:01,227 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 39 for LOIs [2021-11-23 03:15:01,511 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 8 for LOIs [2021-11-23 03:15:01,512 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 03:15:07,868 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1875#(and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= __VERIFIER_assert_~cond 0) (exists ((|v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_61| Int) (|v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_50| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_51| Int) (|v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_93| Int) (|v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_94| Int)) (and (<= |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_93| 2147483647) (<= 0 (+ |v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_94| 2147483648)) (<= |v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_94| 2147483647) (<= 0 (+ |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_93| 2147483648)) (= |__VERIFIER_assert_#in~cond| (ite (= (+ |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_51| (* |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_61| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_50|)) (* |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_93| |v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_94|)) 1 0)) (or (and (= |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_51| 0) (= |#NULL.offset| 0) (= |#NULL.base| 0)) (and (= |#NULL.offset| 0) (= |#NULL.base| 0))))) (<= 0 |#StackHeapBarrier|))' at error location [2021-11-23 03:15:07,868 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-23 03:15:07,868 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-23 03:15:07,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2021-11-23 03:15:07,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270237005] [2021-11-23 03:15:07,868 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-23 03:15:07,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-23 03:15:07,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:15:07,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-23 03:15:07,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=932, Unknown=1, NotChecked=0, Total=1056 [2021-11-23 03:15:07,870 INFO L87 Difference]: Start difference. First operand 54 states and 57 transitions. Second operand has 16 states, 15 states have (on average 1.8) internal successors, (27), 13 states have internal predecessors, (27), 9 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2021-11-23 03:15:08,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:15:08,328 INFO L93 Difference]: Finished difference Result 63 states and 66 transitions. [2021-11-23 03:15:08,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-23 03:15:08,329 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.8) internal successors, (27), 13 states have internal predecessors, (27), 9 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) Word has length 59 [2021-11-23 03:15:08,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:15:08,331 INFO L225 Difference]: With dead ends: 63 [2021-11-23 03:15:08,331 INFO L226 Difference]: Without dead ends: 61 [2021-11-23 03:15:08,331 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 92 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=136, Invalid=1053, Unknown=1, NotChecked=0, Total=1190 [2021-11-23 03:15:08,332 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 17 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 27 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:15:08,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 211 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 266 Invalid, 0 Unknown, 27 Unchecked, 0.4s Time] [2021-11-23 03:15:08,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-11-23 03:15:08,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2021-11-23 03:15:08,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 41 states have (on average 1.024390243902439) internal successors, (42), 42 states have internal predecessors, (42), 11 states have call successors, (11), 8 states have call predecessors, (11), 8 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-23 03:15:08,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2021-11-23 03:15:08,345 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 59 [2021-11-23 03:15:08,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:15:08,346 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2021-11-23 03:15:08,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.8) internal successors, (27), 13 states have internal predecessors, (27), 9 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2021-11-23 03:15:08,346 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2021-11-23 03:15:08,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 03:15:08,348 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:15:08,348 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:15:08,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-23 03:15:08,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:15:08,564 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:15:08,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:15:08,564 INFO L85 PathProgramCache]: Analyzing trace with hash -675946244, now seen corresponding path program 5 times [2021-11-23 03:15:08,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:15:08,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471667419] [2021-11-23 03:15:08,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:15:08,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:15:08,574 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:15:08,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [239818055] [2021-11-23 03:15:08,575 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-23 03:15:08,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:15:08,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:15:08,581 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:15:08,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-23 03:15:08,779 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-11-23 03:15:08,779 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 03:15:08,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 03:15:08,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:15:09,494 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 92 proven. 1 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-11-23 03:15:09,494 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:15:47,927 WARN L227 SmtUtils]: Spent 15.09s on a formula simplification. DAG size of input: 458 DAG size of output: 359 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 03:16:17,965 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 92 proven. 1 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-11-23 03:16:17,965 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:16:17,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471667419] [2021-11-23 03:16:17,966 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:16:17,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239818055] [2021-11-23 03:16:17,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239818055] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:16:17,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [419068636] [2021-11-23 03:16:17,969 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2021-11-23 03:16:17,969 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:16:17,969 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:16:17,969 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:16:17,970 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:16:18,696 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 39 for LOIs [2021-11-23 03:16:19,030 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 8 for LOIs [2021-11-23 03:16:19,032 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 03:16:25,175 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2479#(and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= __VERIFIER_assert_~cond 0) (exists ((|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_58| Int) (|v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_57| Int) (|v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_82| Int) (|v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_109| Int) (|v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_110| Int)) (and (<= |v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_110| 2147483647) (<= 0 (+ |v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_110| 2147483648)) (= |__VERIFIER_assert_#in~cond| (ite (= (+ |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_58| (* |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_57| |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_82|)) (* |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_109| |v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_110|)) 1 0)) (<= |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_109| 2147483647) (or (and (= |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_58| 0) (= |#NULL.offset| 0) (= |#NULL.base| 0)) (and (= |#NULL.offset| 0) (= |#NULL.base| 0))) (<= 0 (+ |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_109| 2147483648)))) (<= 0 |#StackHeapBarrier|))' at error location [2021-11-23 03:16:25,176 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-23 03:16:25,176 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-23 03:16:25,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18 [2021-11-23 03:16:25,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771909299] [2021-11-23 03:16:25,176 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-23 03:16:25,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-23 03:16:25,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:16:25,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-23 03:16:25,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=829, Unknown=0, NotChecked=0, Total=992 [2021-11-23 03:16:25,178 INFO L87 Difference]: Start difference. First operand 61 states and 64 transitions. Second operand has 18 states, 17 states have (on average 2.2941176470588234) internal successors, (39), 16 states have internal predecessors, (39), 17 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 16 states have call predecessors, (18), 16 states have call successors, (18) [2021-11-23 03:16:26,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:16:26,921 INFO L93 Difference]: Finished difference Result 62 states and 65 transitions. [2021-11-23 03:16:26,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 03:16:26,922 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.2941176470588234) internal successors, (39), 16 states have internal predecessors, (39), 17 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 16 states have call predecessors, (18), 16 states have call successors, (18) Word has length 66 [2021-11-23 03:16:26,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:16:26,922 INFO L225 Difference]: With dead ends: 62 [2021-11-23 03:16:26,922 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 03:16:26,924 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 165 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 37.3s TimeCoverageRelationStatistics Valid=267, Invalid=1215, Unknown=0, NotChecked=0, Total=1482 [2021-11-23 03:16:26,924 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 4 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:16:26,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 111 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-23 03:16:26,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 03:16:26,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 03:16:26,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:16:26,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 03:16:26,926 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2021-11-23 03:16:26,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:16:26,926 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 03:16:26,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 2.2941176470588234) internal successors, (39), 16 states have internal predecessors, (39), 17 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 16 states have call predecessors, (18), 16 states have call successors, (18) [2021-11-23 03:16:26,926 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 03:16:26,927 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 03:16:26,929 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 03:16:26,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-23 03:16:27,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:16:27,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 03:16:32,807 WARN L227 SmtUtils]: Spent 5.62s on a formula simplification. DAG size of input: 270 DAG size of output: 157 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-23 03:16:36,031 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 03:16:36,031 INFO L861 garLoopResultBuilder]: At program point L27(line 27) the Hoare annotation is: true [2021-11-23 03:16:36,032 INFO L854 garLoopResultBuilder]: At program point L27-1(line 27) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~b~0#1|) (<= |ULTIMATE.start_main_~b~0#1| 50)) [2021-11-23 03:16:36,032 INFO L861 garLoopResultBuilder]: At program point L25(line 25) the Hoare annotation is: true [2021-11-23 03:16:36,032 INFO L858 garLoopResultBuilder]: For program point L25-1(line 25) no Hoare annotation was computed. [2021-11-23 03:16:36,032 INFO L861 garLoopResultBuilder]: At program point L46(line 46) the Hoare annotation is: true [2021-11-23 03:16:36,032 INFO L854 garLoopResultBuilder]: At program point L34-2(lines 34 45) the Hoare annotation is: (let ((.cse5 (div |ULTIMATE.start_main_~b~0#1| 2))) (let ((.cse1 (div .cse5 2))) (let ((.cse2 (div .cse1 2)) (.cse26 (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|))) (let ((.cse0 (= (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~x~0#1|) |ULTIMATE.start_main_~z~0#1|) .cse26)) (.cse4 (< 0 (+ (* 2 |ULTIMATE.start_main_~y~0#1|) 1))) (.cse7 (= |ULTIMATE.start_main_~z~0#1| 0)) (.cse6 (<= 1 |ULTIMATE.start_main_~b~0#1|)) (.cse3 (<= |ULTIMATE.start_main_~b~0#1| 50)) (.cse27 (div .cse2 2))) (or (and (= (* 8 |ULTIMATE.start_main_~a~0#1|) |ULTIMATE.start_main_~x~0#1|) .cse0 (not (= .cse1 0)) (= |ULTIMATE.start_main_~y~0#1| .cse2) .cse3 .cse4) (and (= (* 4 |ULTIMATE.start_main_~a~0#1|) |ULTIMATE.start_main_~x~0#1|) .cse0 (= .cse1 |ULTIMATE.start_main_~y~0#1|) (not (= 0 .cse5)) .cse3 .cse4) (and (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) .cse6 .cse7 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 50)) (and .cse6 .cse3 (= (* 32 |ULTIMATE.start_main_~a~0#1|) |ULTIMATE.start_main_~x~0#1|) (exists ((|aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52| Int)) (let ((.cse8 (* 2 |aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52|))) (and (<= 0 .cse8) (let ((.cse12 (* 2 (div (+ (* (div (div |ULTIMATE.start_main_~b~0#1| 2) 2) (- 1)) 1) (- 2)))) (.cse10 (* 8 |ULTIMATE.start_main_~y~0#1|)) (.cse11 (* 8 |aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52|)) (.cse13 (= (+ |ULTIMATE.start_main_~z~0#1| (* 32 (* |aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52| |ULTIMATE.start_main_~a~0#1|)) (* 32 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~a~0#1|))) (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|))) (.cse9 (* 2 |ULTIMATE.start_main_~y~0#1|))) (or (and (<= 0 (+ .cse9 .cse8 1)) (or (and (<= (+ .cse10 .cse11 6) .cse12) .cse13 (< .cse12 (+ .cse10 .cse11 8))) (exists ((|aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52| Int)) (let ((.cse14 (+ |aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52| (* 2 |aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52|))) (.cse16 (* 4 |aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52|)) (.cse17 (* 8 |ULTIMATE.start_main_~y~0#1|)) (.cse18 (* 8 |aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52|)) (.cse19 (* 2 |aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52|)) (.cse15 (* 2 (div (+ (* (div (div |ULTIMATE.start_main_~b~0#1| 2) 2) (- 1)) 1) (- 2))))) (and (<= 0 |aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52|) (<= 0 .cse14) (< .cse14 2) (= (+ (* 16 (* |ULTIMATE.start_main_~a~0#1| |aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52|)) |ULTIMATE.start_main_~z~0#1| (* 32 (* |aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52| |ULTIMATE.start_main_~a~0#1|)) (* 8 (* |ULTIMATE.start_main_~a~0#1| |aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52|)) (* 32 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~a~0#1|))) (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)) (< .cse15 (+ .cse16 .cse17 .cse18 6 .cse19)) (< |aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52| 2) (<= (+ .cse16 .cse17 .cse18 .cse19 4) .cse15) (not (= |aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52| 1))))))) (and (or (exists ((|aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52| Int)) (let ((.cse20 (+ |aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52| (* 2 |aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52|))) (.cse22 (* 4 |aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52|)) (.cse23 (* 8 |ULTIMATE.start_main_~y~0#1|)) (.cse24 (* 8 |aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52|)) (.cse25 (* 2 |aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52|)) (.cse21 (* 2 (div (+ (* (div (div |ULTIMATE.start_main_~b~0#1| 2) 2) (- 1)) 1) (- 2))))) (and (<= 0 |aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52|) (<= 0 .cse20) (< .cse20 2) (= (+ (* 16 (* |ULTIMATE.start_main_~a~0#1| |aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52|)) |ULTIMATE.start_main_~z~0#1| (* 32 (* |aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52| |ULTIMATE.start_main_~a~0#1|)) (* 8 (* |ULTIMATE.start_main_~a~0#1| |aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52|)) (* 32 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~a~0#1|))) (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)) (< |aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52| 2) (< .cse21 (+ .cse22 .cse23 .cse24 2 .cse25)) (not (= |aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52| 1)) (<= (+ .cse22 .cse23 .cse24 .cse25) .cse21)))) (and (<= (+ .cse10 .cse11 2) .cse12) (< .cse12 (+ .cse10 .cse11 4)) .cse13)) (not (= (+ .cse9 .cse8) 0))))) (< .cse8 2))))) (and (not (= .cse2 0)) (= (* 16 |ULTIMATE.start_main_~a~0#1|) |ULTIMATE.start_main_~x~0#1|) (= (+ (* 2 (* |ULTIMATE.start_main_~y~0#1| (div (* |ULTIMATE.start_main_~x~0#1| (- 1)) (- 2)))) |ULTIMATE.start_main_~z~0#1|) .cse26) (= |ULTIMATE.start_main_~y~0#1| .cse27) .cse3 .cse4) (and (let ((.cse28 (= (mod |ULTIMATE.start_main_~b~0#1| 2) 1))) (or (and (= |ULTIMATE.start_main_~y~0#1| .cse5) .cse7 (not .cse28)) (and (= (div (+ (- 1) |ULTIMATE.start_main_~b~0#1|) 2) |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~z~0#1|) .cse28))) .cse6 (= |ULTIMATE.start_main_~x~0#1| (* 2 |ULTIMATE.start_main_~a~0#1|)) .cse3) (let ((.cse29 (div .cse27 2))) (and .cse6 (not (= .cse29 0)) .cse3 (= (div (+ (- 1) .cse29) 2) |ULTIMATE.start_main_~y~0#1|) (exists ((|v_ULTIMATE.start_main_~x~0#1_56| Int)) (= (+ (* |v_ULTIMATE.start_main_~x~0#1_56| (div (div (div (div (div |ULTIMATE.start_main_~b~0#1| 2) 2) 2) 2) 2)) |ULTIMATE.start_main_~z~0#1|) (+ |v_ULTIMATE.start_main_~x~0#1_56| (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|))))))))))) [2021-11-23 03:16:36,032 INFO L854 garLoopResultBuilder]: At program point L34-3(lines 34 45) the Hoare annotation is: (let ((.cse0 (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|))) (and (<= 1 |ULTIMATE.start_main_~b~0#1|) (= (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~x~0#1|) |ULTIMATE.start_main_~z~0#1|) .cse0) (= |ULTIMATE.start_main_~z~0#1| .cse0) (<= |ULTIMATE.start_main_~b~0#1| 50))) [2021-11-23 03:16:36,032 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 03:16:36,032 INFO L858 garLoopResultBuilder]: For program point L28(line 28) no Hoare annotation was computed. [2021-11-23 03:16:36,033 INFO L854 garLoopResultBuilder]: At program point L35(line 35) the Hoare annotation is: (let ((.cse5 (div |ULTIMATE.start_main_~b~0#1| 2))) (let ((.cse1 (div .cse5 2))) (let ((.cse2 (div .cse1 2)) (.cse26 (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|))) (let ((.cse0 (= (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~x~0#1|) |ULTIMATE.start_main_~z~0#1|) .cse26)) (.cse4 (< 0 (+ (* 2 |ULTIMATE.start_main_~y~0#1|) 1))) (.cse7 (= |ULTIMATE.start_main_~z~0#1| 0)) (.cse6 (<= 1 |ULTIMATE.start_main_~b~0#1|)) (.cse3 (<= |ULTIMATE.start_main_~b~0#1| 50)) (.cse27 (div .cse2 2))) (or (and (= (* 8 |ULTIMATE.start_main_~a~0#1|) |ULTIMATE.start_main_~x~0#1|) .cse0 (not (= .cse1 0)) (= |ULTIMATE.start_main_~y~0#1| .cse2) .cse3 .cse4) (and (= (* 4 |ULTIMATE.start_main_~a~0#1|) |ULTIMATE.start_main_~x~0#1|) .cse0 (= .cse1 |ULTIMATE.start_main_~y~0#1|) (not (= 0 .cse5)) .cse3 .cse4) (and (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) .cse6 .cse7 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 50)) (and .cse6 .cse3 (= (* 32 |ULTIMATE.start_main_~a~0#1|) |ULTIMATE.start_main_~x~0#1|) (exists ((|aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52| Int)) (let ((.cse8 (* 2 |aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52|))) (and (<= 0 .cse8) (let ((.cse12 (* 2 (div (+ (* (div (div |ULTIMATE.start_main_~b~0#1| 2) 2) (- 1)) 1) (- 2)))) (.cse10 (* 8 |ULTIMATE.start_main_~y~0#1|)) (.cse11 (* 8 |aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52|)) (.cse13 (= (+ |ULTIMATE.start_main_~z~0#1| (* 32 (* |aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52| |ULTIMATE.start_main_~a~0#1|)) (* 32 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~a~0#1|))) (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|))) (.cse9 (* 2 |ULTIMATE.start_main_~y~0#1|))) (or (and (<= 0 (+ .cse9 .cse8 1)) (or (and (<= (+ .cse10 .cse11 6) .cse12) .cse13 (< .cse12 (+ .cse10 .cse11 8))) (exists ((|aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52| Int)) (let ((.cse14 (+ |aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52| (* 2 |aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52|))) (.cse16 (* 4 |aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52|)) (.cse17 (* 8 |ULTIMATE.start_main_~y~0#1|)) (.cse18 (* 8 |aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52|)) (.cse19 (* 2 |aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52|)) (.cse15 (* 2 (div (+ (* (div (div |ULTIMATE.start_main_~b~0#1| 2) 2) (- 1)) 1) (- 2))))) (and (<= 0 |aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52|) (<= 0 .cse14) (< .cse14 2) (= (+ (* 16 (* |ULTIMATE.start_main_~a~0#1| |aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52|)) |ULTIMATE.start_main_~z~0#1| (* 32 (* |aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52| |ULTIMATE.start_main_~a~0#1|)) (* 8 (* |ULTIMATE.start_main_~a~0#1| |aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52|)) (* 32 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~a~0#1|))) (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)) (< .cse15 (+ .cse16 .cse17 .cse18 6 .cse19)) (< |aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52| 2) (<= (+ .cse16 .cse17 .cse18 .cse19 4) .cse15) (not (= |aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52| 1))))))) (and (or (exists ((|aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52| Int)) (let ((.cse20 (+ |aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52| (* 2 |aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52|))) (.cse22 (* 4 |aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52|)) (.cse23 (* 8 |ULTIMATE.start_main_~y~0#1|)) (.cse24 (* 8 |aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52|)) (.cse25 (* 2 |aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52|)) (.cse21 (* 2 (div (+ (* (div (div |ULTIMATE.start_main_~b~0#1| 2) 2) (- 1)) 1) (- 2))))) (and (<= 0 |aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52|) (<= 0 .cse20) (< .cse20 2) (= (+ (* 16 (* |ULTIMATE.start_main_~a~0#1| |aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52|)) |ULTIMATE.start_main_~z~0#1| (* 32 (* |aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52| |ULTIMATE.start_main_~a~0#1|)) (* 8 (* |ULTIMATE.start_main_~a~0#1| |aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52|)) (* 32 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~a~0#1|))) (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)) (< |aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52| 2) (< .cse21 (+ .cse22 .cse23 .cse24 2 .cse25)) (not (= |aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52| 1)) (<= (+ .cse22 .cse23 .cse24 .cse25) .cse21)))) (and (<= (+ .cse10 .cse11 2) .cse12) (< .cse12 (+ .cse10 .cse11 4)) .cse13)) (not (= (+ .cse9 .cse8) 0))))) (< .cse8 2))))) (and (not (= .cse2 0)) (= (* 16 |ULTIMATE.start_main_~a~0#1|) |ULTIMATE.start_main_~x~0#1|) (= (+ (* 2 (* |ULTIMATE.start_main_~y~0#1| (div (* |ULTIMATE.start_main_~x~0#1| (- 1)) (- 2)))) |ULTIMATE.start_main_~z~0#1|) .cse26) (= |ULTIMATE.start_main_~y~0#1| .cse27) .cse3 .cse4) (and (let ((.cse28 (= (mod |ULTIMATE.start_main_~b~0#1| 2) 1))) (or (and (= |ULTIMATE.start_main_~y~0#1| .cse5) .cse7 (not .cse28)) (and (= (div (+ (- 1) |ULTIMATE.start_main_~b~0#1|) 2) |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~z~0#1|) .cse28))) .cse6 (= |ULTIMATE.start_main_~x~0#1| (* 2 |ULTIMATE.start_main_~a~0#1|)) .cse3) (let ((.cse29 (div .cse27 2))) (and .cse6 (not (= .cse29 0)) .cse3 (= (div (+ (- 1) .cse29) 2) |ULTIMATE.start_main_~y~0#1|) (exists ((|v_ULTIMATE.start_main_~x~0#1_56| Int)) (= (+ (* |v_ULTIMATE.start_main_~x~0#1_56| (div (div (div (div (div |ULTIMATE.start_main_~b~0#1| 2) 2) 2) 2) 2)) |ULTIMATE.start_main_~z~0#1|) (+ |v_ULTIMATE.start_main_~x~0#1_56| (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|))))))))))) [2021-11-23 03:16:36,033 INFO L858 garLoopResultBuilder]: For program point L35-1(lines 34 45) no Hoare annotation was computed. [2021-11-23 03:16:36,033 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 9 11) the Hoare annotation is: true [2021-11-23 03:16:36,033 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 9 11) no Hoare annotation was computed. [2021-11-23 03:16:36,033 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 12 18) the Hoare annotation is: true [2021-11-23 03:16:36,033 INFO L858 garLoopResultBuilder]: For program point L14(lines 14 15) no Hoare annotation was computed. [2021-11-23 03:16:36,033 INFO L858 garLoopResultBuilder]: For program point L13(lines 13 16) no Hoare annotation was computed. [2021-11-23 03:16:36,033 INFO L858 garLoopResultBuilder]: For program point L13-2(lines 12 18) no Hoare annotation was computed. [2021-11-23 03:16:36,033 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 12 18) no Hoare annotation was computed. [2021-11-23 03:16:36,034 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2021-11-23 03:16:36,036 INFO L732 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1] [2021-11-23 03:16:36,038 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 03:16:36,053 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,054 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,055 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,055 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,055 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,056 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,056 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,056 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,056 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,056 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,057 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,057 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,061 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,062 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,062 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,062 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,062 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,062 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,063 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,063 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,063 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,063 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,065 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,065 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,065 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,065 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,066 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,066 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,066 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,066 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,067 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,067 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,067 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,067 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,068 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,068 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,068 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,068 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,069 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_56,QUANTIFIED] [2021-11-23 03:16:36,070 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_56,QUANTIFIED] [2021-11-23 03:16:36,099 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,099 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,099 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,100 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,101 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,102 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,102 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,102 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,102 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,103 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,103 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,103 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,103 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,104 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,104 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,104 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,104 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,104 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,105 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,105 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,105 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,105 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,106 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,106 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,106 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,107 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,107 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,107 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,109 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,110 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,110 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,110 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,110 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,110 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,110 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,110 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,110 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,110 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,111 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,111 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,111 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,111 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,111 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_56,QUANTIFIED] [2021-11-23 03:16:36,111 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_56,QUANTIFIED] [2021-11-23 03:16:36,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:16:36 BoogieIcfgContainer [2021-11-23 03:16:36,116 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 03:16:36,117 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 03:16:36,117 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 03:16:36,117 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 03:16:36,117 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:12:03" (3/4) ... [2021-11-23 03:16:36,120 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 03:16:36,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-23 03:16:36,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-23 03:16:36,132 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2021-11-23 03:16:36,132 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-23 03:16:36,132 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 03:16:36,133 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 03:16:36,151 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((8 * a == x && y * x + z == a * b) && !(b / 2 / 2 == 0)) && y == b / 2 / 2 / 2) && b <= 50) && 0 < 2 * y + 1) || (((((4 * a == x && y * x + z == a * b) && b / 2 / 2 == y) && !(0 == b / 2)) && b <= 50) && 0 < 2 * y + 1)) || ((((b == y && 1 <= b) && z == 0) && a == x) && y <= 50)) || (((1 <= b && b <= 50) && 32 * a == x) && (\exists aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 : int :: (0 <= 2 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 && ((0 <= 2 * y + 2 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 + 1 && (((8 * y + 8 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 + 6 <= 2 * ((b / 2 / 2 * -1 + 1) / -2) && z + 32 * (aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 * a) + 32 * (y * a) == a * b) && 2 * ((b / 2 / 2 * -1 + 1) / -2) < 8 * y + 8 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 + 8) || (\exists aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 : int, aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 : int :: ((((((0 <= aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 && 0 <= aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 + 2 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52) && aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 + 2 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 < 2) && 16 * (a * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52) + z + 32 * (aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 * a) + 8 * (a * aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52) + 32 * (y * a) == a * b) && 2 * ((b / 2 / 2 * -1 + 1) / -2) < 4 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 + 8 * y + 8 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 + 6 + 2 * aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52) && aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 < 2) && 4 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 + 8 * y + 8 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 + 2 * aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 + 4 <= 2 * ((b / 2 / 2 * -1 + 1) / -2)) && !(aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 == 1)))) || (((\exists aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 : int, aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 : int :: ((((((0 <= aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 && 0 <= aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 + 2 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52) && aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 + 2 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 < 2) && 16 * (a * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52) + z + 32 * (aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 * a) + 8 * (a * aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52) + 32 * (y * a) == a * b) && aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 < 2) && 2 * ((b / 2 / 2 * -1 + 1) / -2) < 4 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 + 8 * y + 8 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 + 2 + 2 * aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52) && !(aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 == 1)) && 4 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 + 8 * y + 8 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 + 2 * aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 <= 2 * ((b / 2 / 2 * -1 + 1) / -2)) || ((8 * y + 8 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 + 2 <= 2 * ((b / 2 / 2 * -1 + 1) / -2) && 2 * ((b / 2 / 2 * -1 + 1) / -2) < 8 * y + 8 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 + 4) && z + 32 * (aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 * a) + 32 * (y * a) == a * b)) && !(2 * y + 2 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 == 0)))) && 2 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 < 2))) || (((((!(b / 2 / 2 / 2 == 0) && 16 * a == x) && 2 * (y * (x * -1 / -2)) + z == a * b) && y == b / 2 / 2 / 2 / 2) && b <= 50) && 0 < 2 * y + 1)) || ((((((y == b / 2 && z == 0) && !(b % 2 == 1)) || (((-1 + b) / 2 == y && a == z) && b % 2 == 1)) && 1 <= b) && x == 2 * a) && b <= 50)) || ((((1 <= b && !(b / 2 / 2 / 2 / 2 / 2 == 0)) && b <= 50) && (-1 + b / 2 / 2 / 2 / 2 / 2) / 2 == y) && (\exists v_ULTIMATE.start_main_~x~0#1_56 : int :: v_ULTIMATE.start_main_~x~0#1_56 * (b / 2 / 2 / 2 / 2 / 2) + z == v_ULTIMATE.start_main_~x~0#1_56 + a * b)) [2021-11-23 03:16:36,159 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 03:16:36,159 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 03:16:36,160 INFO L158 Benchmark]: Toolchain (without parser) took 273307.23ms. Allocated memory was 92.3MB in the beginning and 136.3MB in the end (delta: 44.0MB). Free memory was 53.3MB in the beginning and 89.3MB in the end (delta: -36.0MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2021-11-23 03:16:36,160 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 69.7MB in the end (delta: 11.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:16:36,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.24ms. Allocated memory is still 92.3MB. Free memory was 53.1MB in the beginning and 68.5MB in the end (delta: -15.5MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2021-11-23 03:16:36,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.24ms. Allocated memory is still 92.3MB. Free memory was 68.5MB in the beginning and 67.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 03:16:36,161 INFO L158 Benchmark]: Boogie Preprocessor took 20.90ms. Allocated memory is still 92.3MB. Free memory was 67.0MB in the beginning and 66.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:16:36,161 INFO L158 Benchmark]: RCFGBuilder took 351.51ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 55.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 03:16:36,162 INFO L158 Benchmark]: TraceAbstraction took 272559.96ms. Allocated memory was 92.3MB in the beginning and 136.3MB in the end (delta: 44.0MB). Free memory was 55.0MB in the beginning and 92.5MB in the end (delta: -37.5MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. [2021-11-23 03:16:36,162 INFO L158 Benchmark]: Witness Printer took 43.07ms. Allocated memory is still 136.3MB. Free memory was 92.5MB in the beginning and 89.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 03:16:36,164 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 69.7MB in the end (delta: 11.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.24ms. Allocated memory is still 92.3MB. Free memory was 53.1MB in the beginning and 68.5MB in the end (delta: -15.5MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.24ms. Allocated memory is still 92.3MB. Free memory was 68.5MB in the beginning and 67.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.90ms. Allocated memory is still 92.3MB. Free memory was 67.0MB in the beginning and 66.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 351.51ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 55.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 272559.96ms. Allocated memory was 92.3MB in the beginning and 136.3MB in the end (delta: 44.0MB). Free memory was 55.0MB in the beginning and 92.5MB in the end (delta: -37.5MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. * Witness Printer took 43.07ms. Allocated memory is still 136.3MB. Free memory was 92.5MB in the beginning and 89.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_56,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_56,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_56,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_56,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 15]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 272.4s, OverallIterations: 8, TraceHistogramMax: 8, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 26.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 125 SdHoareTripleChecker+Valid, 16.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 117 mSDsluCounter, 920 SdHoareTripleChecker+Invalid, 16.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 73 IncrementalHoareTripleChecker+Unchecked, 862 mSDsCounter, 94 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 999 IncrementalHoareTripleChecker+Invalid, 1167 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 94 mSolverCounterUnsat, 140 mSDtfsCounter, 999 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 754 GetRequests, 541 SyntacticMatches, 10 SemanticMatches, 203 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1950 ImplicationChecksByTransitivity, 111.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=7, InterpolantAutomatonStates: 86, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 4 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 22 PreInvPairs, 39 NumberOfFragments, 1311 HoareAnnotationTreeSize, 22 FomulaSimplifications, 120 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1419 FormulaSimplificationTreeSizeReductionInter, 8.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 5.4s SatisfiabilityAnalysisTime, 188.5s InterpolantComputationTime, 316 NumberOfCodeBlocks, 312 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 425 ConstructedInterpolants, 7 QuantifiedInterpolants, 19348 SizeOfPredicates, 40 NumberOfNonLiveVariables, 937 ConjunctsInSsa, 225 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 581/725 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant [2021-11-23 03:16:36,181 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,181 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,181 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,181 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,181 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,181 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,182 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,182 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,182 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,182 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,182 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,182 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,182 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,183 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,183 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,183 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,183 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,183 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,183 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,183 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,183 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,184 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,184 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,184 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,184 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,184 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,185 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,185 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,185 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,185 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,186 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,186 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,186 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,186 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,186 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,187 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,187 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,187 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,187 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,187 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,188 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,188 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,188 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_56,QUANTIFIED] [2021-11-23 03:16:36,188 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_56,QUANTIFIED] [2021-11-23 03:16:36,190 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,191 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,191 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,191 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,191 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,191 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,192 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,192 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,192 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,192 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,193 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,193 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,193 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,193 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,193 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,195 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,195 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,195 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,195 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,196 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,196 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,196 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,196 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,196 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,197 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,197 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,197 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,197 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,197 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,198 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,198 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,198 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52,QUANTIFIED] [2021-11-23 03:16:36,198 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,198 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,199 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,199 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,199 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52,QUANTIFIED] [2021-11-23 03:16:36,199 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_56,QUANTIFIED] [2021-11-23 03:16:36,199 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0#1_56,QUANTIFIED] Derived loop invariant: ((((((((((8 * a == x && y * x + z == a * b) && !(b / 2 / 2 == 0)) && y == b / 2 / 2 / 2) && b <= 50) && 0 < 2 * y + 1) || (((((4 * a == x && y * x + z == a * b) && b / 2 / 2 == y) && !(0 == b / 2)) && b <= 50) && 0 < 2 * y + 1)) || ((((b == y && 1 <= b) && z == 0) && a == x) && y <= 50)) || (((1 <= b && b <= 50) && 32 * a == x) && (\exists aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 : int :: (0 <= 2 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 && ((0 <= 2 * y + 2 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 + 1 && (((8 * y + 8 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 + 6 <= 2 * ((b / 2 / 2 * -1 + 1) / -2) && z + 32 * (aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 * a) + 32 * (y * a) == a * b) && 2 * ((b / 2 / 2 * -1 + 1) / -2) < 8 * y + 8 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 + 8) || (\exists aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 : int, aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 : int :: ((((((0 <= aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 && 0 <= aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 + 2 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52) && aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 + 2 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 < 2) && 16 * (a * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52) + z + 32 * (aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 * a) + 8 * (a * aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52) + 32 * (y * a) == a * b) && 2 * ((b / 2 / 2 * -1 + 1) / -2) < 4 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 + 8 * y + 8 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 + 6 + 2 * aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52) && aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 < 2) && 4 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 + 8 * y + 8 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 + 2 * aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 + 4 <= 2 * ((b / 2 / 2 * -1 + 1) / -2)) && !(aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 == 1)))) || (((\exists aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 : int, aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 : int :: ((((((0 <= aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 && 0 <= aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 + 2 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52) && aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 + 2 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 < 2) && 16 * (a * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52) + z + 32 * (aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 * a) + 8 * (a * aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52) + 32 * (y * a) == a * b) && aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 < 2) && 2 * ((b / 2 / 2 * -1 + 1) / -2) < 4 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 + 8 * y + 8 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 + 2 + 2 * aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52) && !(aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 == 1)) && 4 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 + 8 * y + 8 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 + 2 * aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_60_41_52 <= 2 * ((b / 2 / 2 * -1 + 1) / -2)) || ((8 * y + 8 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 + 2 <= 2 * ((b / 2 / 2 * -1 + 1) / -2) && 2 * ((b / 2 / 2 * -1 + 1) / -2) < 8 * y + 8 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 + 4) && z + 32 * (aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 * a) + 32 * (y * a) == a * b)) && !(2 * y + 2 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 == 0)))) && 2 * aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_56_41_52 < 2))) || (((((!(b / 2 / 2 / 2 == 0) && 16 * a == x) && 2 * (y * (x * -1 / -2)) + z == a * b) && y == b / 2 / 2 / 2 / 2) && b <= 50) && 0 < 2 * y + 1)) || ((((((y == b / 2 && z == 0) && !(b % 2 == 1)) || (((-1 + b) / 2 == y && a == z) && b % 2 == 1)) && 1 <= b) && x == 2 * a) && b <= 50)) || ((((1 <= b && !(b / 2 / 2 / 2 / 2 / 2 == 0)) && b <= 50) && (-1 + b / 2 / 2 / 2 / 2 / 2) / 2 == y) && (\exists v_ULTIMATE.start_main_~x~0#1_56 : int :: v_ULTIMATE.start_main_~x~0#1_56 * (b / 2 / 2 / 2 / 2 / 2) + z == v_ULTIMATE.start_main_~x~0#1_56 + a * b)) RESULT: Ultimate proved your program to be correct! [2021-11-23 03:16:36,405 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-23 03:16:36,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea95ee3-e89f-40e1-bb5b-907e126ba65f/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE