./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ss3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/ss3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5805614faff907ef6adf6c59906ce41481de02c5b77e55fb631cc39640689370 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:26:29,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:26:29,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:26:29,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:26:29,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:26:29,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:26:29,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:26:29,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:26:29,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:26:29,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:26:29,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:26:29,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:26:30,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:26:30,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:26:30,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:26:30,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:26:30,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:26:30,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:26:30,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:26:30,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:26:30,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:26:30,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:26:30,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:26:30,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:26:30,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:26:30,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:26:30,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:26:30,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:26:30,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:26:30,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:26:30,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:26:30,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:26:30,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:26:30,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:26:30,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:26:30,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:26:30,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:26:30,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:26:30,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:26:30,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:26:30,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:26:30,030 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-07 00:26:30,052 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:26:30,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:26:30,052 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:26:30,052 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:26:30,053 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:26:30,053 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:26:30,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:26:30,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:26:30,054 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:26:30,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:26:30,054 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 00:26:30,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:26:30,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 00:26:30,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:26:30,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:26:30,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:26:30,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:26:30,055 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 00:26:30,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:26:30,056 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:26:30,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:26:30,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:26:30,056 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:26:30,056 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:26:30,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:26:30,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:26:30,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:26:30,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:26:30,057 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:26:30,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 00:26:30,057 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:26:30,057 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:26:30,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:26:30,057 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:26:30,058 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5805614faff907ef6adf6c59906ce41481de02c5b77e55fb631cc39640689370 [2021-12-07 00:26:30,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:26:30,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:26:30,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:26:30,257 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:26:30,257 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:26:30,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/array-fpi/ss3.c [2021-12-07 00:26:30,298 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/data/f2cbd5eb4/7b9acf1e9b6741e3ba6965ab519677a6/FLAG89746594b [2021-12-07 00:26:30,652 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:26:30,653 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/sv-benchmarks/c/array-fpi/ss3.c [2021-12-07 00:26:30,657 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/data/f2cbd5eb4/7b9acf1e9b6741e3ba6965ab519677a6/FLAG89746594b [2021-12-07 00:26:30,667 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/data/f2cbd5eb4/7b9acf1e9b6741e3ba6965ab519677a6 [2021-12-07 00:26:30,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:26:30,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:26:30,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:26:30,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:26:30,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:26:30,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:26:30" (1/1) ... [2021-12-07 00:26:30,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3adcd7e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:26:30, skipping insertion in model container [2021-12-07 00:26:30,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:26:30" (1/1) ... [2021-12-07 00:26:30,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:26:30,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:26:30,788 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_5bb678d6-abca-4b30-a180-885bf7baf78f/sv-benchmarks/c/array-fpi/ss3.c[586,599] [2021-12-07 00:26:30,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:26:30,809 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:26:30,818 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_5bb678d6-abca-4b30-a180-885bf7baf78f/sv-benchmarks/c/array-fpi/ss3.c[586,599] [2021-12-07 00:26:30,825 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:26:30,835 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:26:30,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:26:30 WrapperNode [2021-12-07 00:26:30,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:26:30,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:26:30,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:26:30,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:26:30,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:26:30" (1/1) ... [2021-12-07 00:26:30,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:26:30" (1/1) ... [2021-12-07 00:26:30,863 INFO L137 Inliner]: procedures = 17, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 104 [2021-12-07 00:26:30,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:26:30,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:26:30,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:26:30,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:26:30,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:26:30" (1/1) ... [2021-12-07 00:26:30,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:26:30" (1/1) ... [2021-12-07 00:26:30,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:26:30" (1/1) ... [2021-12-07 00:26:30,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:26:30" (1/1) ... [2021-12-07 00:26:30,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:26:30" (1/1) ... [2021-12-07 00:26:30,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:26:30" (1/1) ... [2021-12-07 00:26:30,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:26:30" (1/1) ... [2021-12-07 00:26:30,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:26:30,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:26:30,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:26:30,892 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:26:30,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:26:30" (1/1) ... [2021-12-07 00:26:30,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:26:30,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:26:30,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:26:30,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:26:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:26:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 00:26:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 00:26:30,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 00:26:30,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 00:26:30,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:26:30,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:26:30,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 00:26:30,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 00:26:31,016 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:26:31,017 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:26:31,123 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:26:31,127 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:26:31,127 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-07 00:26:31,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:26:31 BoogieIcfgContainer [2021-12-07 00:26:31,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:26:31,130 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 00:26:31,130 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 00:26:31,133 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 00:26:31,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:26:30" (1/3) ... [2021-12-07 00:26:31,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7135bce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:26:31, skipping insertion in model container [2021-12-07 00:26:31,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:26:30" (2/3) ... [2021-12-07 00:26:31,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7135bce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:26:31, skipping insertion in model container [2021-12-07 00:26:31,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:26:31" (3/3) ... [2021-12-07 00:26:31,135 INFO L111 eAbstractionObserver]: Analyzing ICFG ss3.c [2021-12-07 00:26:31,139 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 00:26:31,139 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 00:26:31,173 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 00:26:31,180 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=PETRI_NET, 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 [2021-12-07 00:26:31,180 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 00:26:31,195 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 25 states have (on average 1.56) internal successors, (39), 26 states have internal predecessors, (39), 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) [2021-12-07 00:26:31,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-12-07 00:26:31,202 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:26:31,202 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:26:31,203 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:26:31,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:26:31,209 INFO L85 PathProgramCache]: Analyzing trace with hash 118053350, now seen corresponding path program 1 times [2021-12-07 00:26:31,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:26:31,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619263129] [2021-12-07 00:26:31,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:26:31,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:26:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:31,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:26:31,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:26:31,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619263129] [2021-12-07 00:26:31,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619263129] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:26:31,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:26:31,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 00:26:31,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922005945] [2021-12-07 00:26:31,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:26:31,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 00:26:31,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:26:31,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 00:26:31,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 00:26:31,408 INFO L87 Difference]: Start difference. First operand has 27 states, 25 states have (on average 1.56) internal successors, (39), 26 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 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) [2021-12-07 00:26:31,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:26:31,424 INFO L93 Difference]: Finished difference Result 50 states and 72 transitions. [2021-12-07 00:26:31,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 00:26:31,426 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-12-07 00:26:31,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:26:31,433 INFO L225 Difference]: With dead ends: 50 [2021-12-07 00:26:31,434 INFO L226 Difference]: Without dead ends: 23 [2021-12-07 00:26:31,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 00:26:31,441 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:26:31,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:26:31,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-12-07 00:26:31,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2021-12-07 00:26:31,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 22 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:26:31,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2021-12-07 00:26:31,473 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 17 [2021-12-07 00:26:31,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:26:31,474 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-12-07 00:26:31,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 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) [2021-12-07 00:26:31,474 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-12-07 00:26:31,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-12-07 00:26:31,475 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:26:31,475 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:26:31,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 00:26:31,476 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:26:31,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:26:31,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1065017552, now seen corresponding path program 1 times [2021-12-07 00:26:31,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:26:31,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439332287] [2021-12-07 00:26:31,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:26:31,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:26:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:31,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:26:31,552 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:26:31,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439332287] [2021-12-07 00:26:31,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439332287] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:26:31,552 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:26:31,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:26:31,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682698617] [2021-12-07 00:26:31,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:26:31,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:26:31,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:26:31,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:26:31,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:26:31,556 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-12-07 00:26:31,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:26:31,614 INFO L93 Difference]: Finished difference Result 49 states and 61 transitions. [2021-12-07 00:26:31,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:26:31,614 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-12-07 00:26:31,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:26:31,615 INFO L225 Difference]: With dead ends: 49 [2021-12-07 00:26:31,615 INFO L226 Difference]: Without dead ends: 33 [2021-12-07 00:26:31,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:26:31,616 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 33 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:26:31,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 13 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:26:31,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-12-07 00:26:31,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 28. [2021-12-07 00:26:31,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 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) [2021-12-07 00:26:31,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2021-12-07 00:26:31,622 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 17 [2021-12-07 00:26:31,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:26:31,622 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2021-12-07 00:26:31,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-12-07 00:26:31,623 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2021-12-07 00:26:31,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-12-07 00:26:31,623 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:26:31,623 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:26:31,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 00:26:31,624 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:26:31,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:26:31,624 INFO L85 PathProgramCache]: Analyzing trace with hash 524088314, now seen corresponding path program 1 times [2021-12-07 00:26:31,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:26:31,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452567034] [2021-12-07 00:26:31,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:26:31,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:26:31,650 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:26:31,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2040111333] [2021-12-07 00:26:31,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:26:31,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:26:31,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:26:31,652 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:26:31,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-07 00:26:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:31,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 50 conjunts are in the unsatisfiable core [2021-12-07 00:26:31,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:26:31,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-07 00:26:31,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-12-07 00:26:31,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-12-07 00:26:32,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2021-12-07 00:26:32,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2021-12-07 00:26:32,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2021-12-07 00:26:32,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2021-12-07 00:26:32,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2021-12-07 00:26:32,398 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:26:32,398 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 00:26:33,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-07 00:26:33,069 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:26:33,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:26:33,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452567034] [2021-12-07 00:26:33,070 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-07 00:26:33,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040111333] [2021-12-07 00:26:33,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040111333] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 00:26:33,070 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-07 00:26:33,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16] total 27 [2021-12-07 00:26:33,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972209009] [2021-12-07 00:26:33,070 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-07 00:26:33,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-12-07 00:26:33,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:26:33,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-12-07 00:26:33,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=582, Unknown=0, NotChecked=0, Total=702 [2021-12-07 00:26:33,073 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 27 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 27 states have internal predecessors, (50), 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) [2021-12-07 00:26:36,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:26:36,004 INFO L93 Difference]: Finished difference Result 71 states and 84 transitions. [2021-12-07 00:26:36,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-07 00:26:36,005 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 27 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-12-07 00:26:36,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:26:36,006 INFO L225 Difference]: With dead ends: 71 [2021-12-07 00:26:36,006 INFO L226 Difference]: Without dead ends: 61 [2021-12-07 00:26:36,007 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=320, Invalid=1402, Unknown=0, NotChecked=0, Total=1722 [2021-12-07 00:26:36,008 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 67 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 38 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:26:36,008 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 99 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 402 Invalid, 0 Unknown, 38 Unchecked, 1.0s Time] [2021-12-07 00:26:36,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-12-07 00:26:36,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 46. [2021-12-07 00:26:36,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.2) internal successors, (54), 45 states have internal predecessors, (54), 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) [2021-12-07 00:26:36,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 54 transitions. [2021-12-07 00:26:36,015 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 54 transitions. Word has length 27 [2021-12-07 00:26:36,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:26:36,015 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 54 transitions. [2021-12-07 00:26:36,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 27 states have internal predecessors, (50), 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) [2021-12-07 00:26:36,015 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2021-12-07 00:26:36,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-12-07 00:26:36,016 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:26:36,016 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:26:36,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-07 00:26:36,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:26:36,218 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:26:36,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:26:36,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1190930620, now seen corresponding path program 2 times [2021-12-07 00:26:36,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:26:36,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112964042] [2021-12-07 00:26:36,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:26:36,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:26:36,277 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:26:36,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [136892306] [2021-12-07 00:26:36,277 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 00:26:36,277 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:26:36,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:26:36,278 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:26:36,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-07 00:26:36,317 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 00:26:36,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 00:26:36,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-07 00:26:36,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:26:36,359 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-07 00:26:36,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 00:26:36,387 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-07 00:26:36,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:26:36,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112964042] [2021-12-07 00:26:36,388 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-07 00:26:36,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136892306] [2021-12-07 00:26:36,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136892306] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 00:26:36,388 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-07 00:26:36,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-12-07 00:26:36,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906235850] [2021-12-07 00:26:36,388 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-07 00:26:36,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 00:26:36,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:26:36,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 00:26:36,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:26:36,390 INFO L87 Difference]: Start difference. First operand 46 states and 54 transitions. Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 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) [2021-12-07 00:26:36,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:26:36,488 INFO L93 Difference]: Finished difference Result 109 states and 127 transitions. [2021-12-07 00:26:36,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 00:26:36,489 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-12-07 00:26:36,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:26:36,490 INFO L225 Difference]: With dead ends: 109 [2021-12-07 00:26:36,490 INFO L226 Difference]: Without dead ends: 65 [2021-12-07 00:26:36,490 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-12-07 00:26:36,491 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 81 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:26:36,491 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [81 Valid, 30 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 00:26:36,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-12-07 00:26:36,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 48. [2021-12-07 00:26:36,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 47 states have internal predecessors, (55), 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) [2021-12-07 00:26:36,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 55 transitions. [2021-12-07 00:26:36,499 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 55 transitions. Word has length 29 [2021-12-07 00:26:36,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:26:36,499 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 55 transitions. [2021-12-07 00:26:36,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 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) [2021-12-07 00:26:36,499 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2021-12-07 00:26:36,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-12-07 00:26:36,500 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:26:36,500 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:26:36,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-07 00:26:36,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:26:36,702 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:26:36,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:26:36,704 INFO L85 PathProgramCache]: Analyzing trace with hash 264308668, now seen corresponding path program 3 times [2021-12-07 00:26:36,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:26:36,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600887649] [2021-12-07 00:26:36,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:26:36,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:26:36,760 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:26:36,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [40250059] [2021-12-07 00:26:36,761 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-07 00:26:36,761 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:26:36,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:26:36,762 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:26:36,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-07 00:26:36,806 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-12-07 00:26:36,806 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 00:26:36,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-07 00:26:36,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:26:36,856 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-07 00:26:36,857 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 00:26:36,894 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-07 00:26:36,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:26:36,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600887649] [2021-12-07 00:26:36,895 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-07 00:26:36,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40250059] [2021-12-07 00:26:36,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [40250059] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 00:26:36,895 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-07 00:26:36,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-12-07 00:26:36,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592645932] [2021-12-07 00:26:36,895 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-07 00:26:36,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 00:26:36,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:26:36,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 00:26:36,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:26:36,897 INFO L87 Difference]: Start difference. First operand 48 states and 55 transitions. Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 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) [2021-12-07 00:26:36,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:26:36,986 INFO L93 Difference]: Finished difference Result 58 states and 65 transitions. [2021-12-07 00:26:36,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 00:26:36,986 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-12-07 00:26:36,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:26:36,987 INFO L225 Difference]: With dead ends: 58 [2021-12-07 00:26:36,987 INFO L226 Difference]: Without dead ends: 42 [2021-12-07 00:26:36,987 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-12-07 00:26:36,988 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 64 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:26:36,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 21 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 00:26:36,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2021-12-07 00:26:36,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 38. [2021-12-07 00:26:36,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.135135135135135) internal successors, (42), 37 states have internal predecessors, (42), 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) [2021-12-07 00:26:36,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2021-12-07 00:26:36,995 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 29 [2021-12-07 00:26:36,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:26:36,996 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2021-12-07 00:26:36,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 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) [2021-12-07 00:26:36,996 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2021-12-07 00:26:36,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-12-07 00:26:36,997 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:26:36,997 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:26:37,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-07 00:26:37,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:26:37,199 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:26:37,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:26:37,201 INFO L85 PathProgramCache]: Analyzing trace with hash 982389828, now seen corresponding path program 4 times [2021-12-07 00:26:37,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:26:37,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521355153] [2021-12-07 00:26:37,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:26:37,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:26:37,267 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:26:37,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [941666639] [2021-12-07 00:26:37,267 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-07 00:26:37,267 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:26:37,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:26:37,268 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:26:37,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-07 00:26:37,307 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-07 00:26:37,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 00:26:37,308 WARN L261 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 76 conjunts are in the unsatisfiable core [2021-12-07 00:26:37,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:26:37,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-07 00:26:37,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:26:37,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-12-07 00:26:37,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:26:37,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:26:37,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-12-07 00:26:37,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:26:37,448 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-07 00:26:37,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:26:37,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 39 [2021-12-07 00:26:37,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:26:37,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:26:37,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-12-07 00:26:37,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:26:37,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:26:37,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-07 00:26:37,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 39 [2021-12-07 00:26:37,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:26:37,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:26:37,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2021-12-07 00:26:37,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:26:37,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-07 00:26:37,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:26:37,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 39 [2021-12-07 00:26:37,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:26:37,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:26:37,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-12-07 00:26:37,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:26:37,940 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-07 00:26:37,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:26:37,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-12-07 00:26:38,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:26:38,033 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-07 00:26:38,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 37 [2021-12-07 00:26:38,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:26:38,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 36 [2021-12-07 00:26:38,216 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:26:38,216 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 00:26:57,724 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:26:57,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:26:57,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521355153] [2021-12-07 00:26:57,724 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-07 00:26:57,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941666639] [2021-12-07 00:26:57,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941666639] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 00:26:57,725 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-07 00:26:57,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 47 [2021-12-07 00:26:57,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661251297] [2021-12-07 00:26:57,725 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-07 00:26:57,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2021-12-07 00:26:57,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:26:57,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-12-07 00:26:57,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=1953, Unknown=1, NotChecked=0, Total=2162 [2021-12-07 00:26:57,728 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand has 47 states, 47 states have (on average 1.446808510638298) internal successors, (68), 47 states have internal predecessors, (68), 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) [2021-12-07 00:28:02,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:28:02,640 INFO L93 Difference]: Finished difference Result 93 states and 106 transitions. [2021-12-07 00:28:02,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-12-07 00:28:02,640 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 47 states have (on average 1.446808510638298) internal successors, (68), 47 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-12-07 00:28:02,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:28:02,642 INFO L225 Difference]: With dead ends: 93 [2021-12-07 00:28:02,642 INFO L226 Difference]: Without dead ends: 88 [2021-12-07 00:28:02,644 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 841 ImplicationChecksByTransitivity, 78.3s TimeCoverageRelationStatistics Valid=400, Invalid=4566, Unknown=4, NotChecked=0, Total=4970 [2021-12-07 00:28:02,644 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 26 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 1209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 282 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2021-12-07 00:28:02,645 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 144 Invalid, 1209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 845 Invalid, 0 Unknown, 282 Unchecked, 5.8s Time] [2021-12-07 00:28:02,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-12-07 00:28:02,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 75. [2021-12-07 00:28:02,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.162162162162162) internal successors, (86), 74 states have internal predecessors, (86), 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) [2021-12-07 00:28:02,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 86 transitions. [2021-12-07 00:28:02,654 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 86 transitions. Word has length 37 [2021-12-07 00:28:02,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:28:02,654 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 86 transitions. [2021-12-07 00:28:02,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 1.446808510638298) internal successors, (68), 47 states have internal predecessors, (68), 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) [2021-12-07 00:28:02,655 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 86 transitions. [2021-12-07 00:28:02,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-12-07 00:28:02,656 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:28:02,656 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:28:02,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-07 00:28:02,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:28:02,857 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:28:02,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:28:02,857 INFO L85 PathProgramCache]: Analyzing trace with hash -762945914, now seen corresponding path program 5 times [2021-12-07 00:28:02,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:28:02,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751871488] [2021-12-07 00:28:02,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:28:02,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:28:02,881 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:28:02,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [322523445] [2021-12-07 00:28:02,881 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-07 00:28:02,881 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:28:02,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:28:02,882 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:28:02,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-07 00:28:02,962 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-12-07 00:28:02,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 00:28:02,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-07 00:28:02,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:28:03,034 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-07 00:28:03,035 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 00:28:03,092 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-07 00:28:03,092 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:28:03,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751871488] [2021-12-07 00:28:03,092 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-07 00:28:03,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322523445] [2021-12-07 00:28:03,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [322523445] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 00:28:03,092 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-07 00:28:03,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2021-12-07 00:28:03,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952891553] [2021-12-07 00:28:03,092 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-07 00:28:03,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-07 00:28:03,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:28:03,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-07 00:28:03,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-12-07 00:28:03,093 INFO L87 Difference]: Start difference. First operand 75 states and 86 transitions. Second operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 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) [2021-12-07 00:28:03,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:28:03,248 INFO L93 Difference]: Finished difference Result 147 states and 167 transitions. [2021-12-07 00:28:03,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 00:28:03,248 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-12-07 00:28:03,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:28:03,249 INFO L225 Difference]: With dead ends: 147 [2021-12-07 00:28:03,249 INFO L226 Difference]: Without dead ends: 74 [2021-12-07 00:28:03,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2021-12-07 00:28:03,250 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 96 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:28:03,250 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 33 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 00:28:03,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-12-07 00:28:03,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 58. [2021-12-07 00:28:03,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 57 states have (on average 1.1228070175438596) internal successors, (64), 57 states have internal predecessors, (64), 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) [2021-12-07 00:28:03,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 64 transitions. [2021-12-07 00:28:03,257 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 64 transitions. Word has length 39 [2021-12-07 00:28:03,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:28:03,257 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 64 transitions. [2021-12-07 00:28:03,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 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) [2021-12-07 00:28:03,257 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 64 transitions. [2021-12-07 00:28:03,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-07 00:28:03,258 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:28:03,258 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:28:03,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-07 00:28:03,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-12-07 00:28:03,460 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:28:03,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:28:03,462 INFO L85 PathProgramCache]: Analyzing trace with hash -703482232, now seen corresponding path program 6 times [2021-12-07 00:28:03,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:28:03,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751514729] [2021-12-07 00:28:03,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:28:03,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:28:03,519 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:28:03,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [675453306] [2021-12-07 00:28:03,519 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-12-07 00:28:03,519 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:28:03,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:28:03,520 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:28:03,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-07 00:28:03,581 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-12-07 00:28:03,581 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 00:28:03,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-07 00:28:03,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:28:03,654 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-07 00:28:03,654 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 00:28:03,717 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-07 00:28:03,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:28:03,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751514729] [2021-12-07 00:28:03,717 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-07 00:28:03,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675453306] [2021-12-07 00:28:03,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675453306] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 00:28:03,717 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-07 00:28:03,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2021-12-07 00:28:03,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489983336] [2021-12-07 00:28:03,718 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-07 00:28:03,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-07 00:28:03,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:28:03,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-07 00:28:03,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-12-07 00:28:03,719 INFO L87 Difference]: Start difference. First operand 58 states and 64 transitions. Second operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 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) [2021-12-07 00:28:03,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:28:03,862 INFO L93 Difference]: Finished difference Result 68 states and 74 transitions. [2021-12-07 00:28:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 00:28:03,862 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-12-07 00:28:03,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:28:03,863 INFO L225 Difference]: With dead ends: 68 [2021-12-07 00:28:03,863 INFO L226 Difference]: Without dead ends: 52 [2021-12-07 00:28:03,863 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-12-07 00:28:03,864 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 81 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:28:03,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [81 Valid, 18 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 00:28:03,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-12-07 00:28:03,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2021-12-07 00:28:03,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.1063829787234043) internal successors, (52), 47 states have internal predecessors, (52), 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) [2021-12-07 00:28:03,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions. [2021-12-07 00:28:03,869 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 41 [2021-12-07 00:28:03,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:28:03,869 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions. [2021-12-07 00:28:03,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 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) [2021-12-07 00:28:03,870 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2021-12-07 00:28:03,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-12-07 00:28:03,871 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:28:03,871 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:28:03,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-07 00:28:04,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:28:04,073 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:28:04,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:28:04,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1373102066, now seen corresponding path program 7 times [2021-12-07 00:28:04,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:28:04,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907476964] [2021-12-07 00:28:04,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:28:04,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:28:04,127 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:28:04,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2084619223] [2021-12-07 00:28:04,128 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-12-07 00:28:04,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:28:04,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:28:04,129 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:28:04,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb678d6-abca-4b30-a180-885bf7baf78f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-07 00:28:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:04,198 WARN L261 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 108 conjunts are in the unsatisfiable core [2021-12-07 00:28:04,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:28:04,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-12-07 00:28:04,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-07 00:28:04,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-12-07 00:28:04,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:04,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2021-12-07 00:28:04,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:04,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:04,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:04,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2021-12-07 00:28:04,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:04,424 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-07 00:28:04,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:04,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:04,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 51 [2021-12-07 00:28:04,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:04,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:04,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:04,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:04,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:04,508 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-07 00:28:04,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 49 [2021-12-07 00:28:04,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:04,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:04,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:04,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 51 [2021-12-07 00:28:04,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:04,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:04,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-07 00:28:04,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:04,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 49 [2021-12-07 00:28:04,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:04,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:04,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:04,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:04,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:04,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-07 00:28:04,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 47 [2021-12-07 00:28:04,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:04,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:04,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:04,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 45 [2021-12-07 00:28:05,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:05,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-07 00:28:05,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:05,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:05,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 51 [2021-12-07 00:28:05,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:05,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:05,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:05,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:05,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:05,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-07 00:28:05,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 49 [2021-12-07 00:28:05,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:05,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:05,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:05,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 47 [2021-12-07 00:28:05,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:05,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-07 00:28:05,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:05,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:05,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 51 [2021-12-07 00:28:05,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:05,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:05,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:05,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:05,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:28:05,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-07 00:28:05,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 54 [2021-12-07 00:28:05,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 43 [2021-12-07 00:28:05,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-12-07 00:28:05,805 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:28:05,805 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 00:32:37,441 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:32:37,441 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:32:37,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907476964] [2021-12-07 00:32:37,441 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-07 00:32:37,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084619223] [2021-12-07 00:32:37,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084619223] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 00:32:37,441 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-07 00:32:37,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 67 [2021-12-07 00:32:37,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94133817] [2021-12-07 00:32:37,442 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-07 00:32:37,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2021-12-07 00:32:37,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:32:37,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-12-07 00:32:37,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=4106, Unknown=21, NotChecked=0, Total=4422 [2021-12-07 00:32:37,444 INFO L87 Difference]: Start difference. First operand 48 states and 52 transitions. Second operand has 67 states, 67 states have (on average 1.3134328358208955) internal successors, (88), 67 states have internal predecessors, (88), 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) [2021-12-07 00:33:04,055 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse12 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|)) (.cse26 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse74 (* |c_ULTIMATE.start_main_~i~0#1| 8)) (.cse13 (select .cse26 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse15 (select .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse16 (+ .cse13 .cse15)) (.cse45 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse74)) (.cse5 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (.cse6 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)) (.cse35 (store .cse26 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse74 8) 0)) (.cse17 (+ c_~N~0 (* c_~N~0 c_~N~0)))) (and (= (let ((.cse8 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse14 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse16)) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ .cse13 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse13 .cse14 .cse15))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse14 .cse15)))))) (let ((.cse7 (let ((.cse9 (let ((.cse10 (let ((.cse11 (store (store (store (select .cse8 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| 0) .cse6 0) .cse5 0))) (store .cse11 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (select .cse11 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store .cse8 |c_ULTIMATE.start_main_~a~0#1.base| .cse11) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store .cse10 .cse6 (+ (select (select (store .cse8 |c_ULTIMATE.start_main_~a~0#1.base| .cse10) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse10 .cse6)))))) (store .cse9 .cse5 (+ (select (select (store .cse8 |c_ULTIMATE.start_main_~a~0#1.base| .cse9) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse9 .cse5)))))) (let ((.cse0 (store .cse8 |c_ULTIMATE.start_main_~a~0#1.base| .cse7))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse2 (select .cse7 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse4 (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse3 (select (select (store .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse2 .cse4))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ (select (select (store .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse2 .cse3 .cse4))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse2 .cse3 .cse4))))))) .cse17) (= (let ((.cse23 (let ((.cse24 (let ((.cse25 (store .cse26 |c_ULTIMATE.start_main_~a~0#1.offset| .cse16))) (store .cse25 .cse6 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse25) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse25 .cse6)))))) (store .cse24 .cse5 (+ (select .cse24 .cse5) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse24) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (let ((.cse20 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse23))) (let ((.cse21 (select .cse20 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse19 (select .cse21 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse22 (select .cse23 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse18 (select (select (store .cse20 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse21 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse19 .cse22))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ .cse18 .cse19 (select (select (store .cse20 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse21 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse18 .cse19 .cse22))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse22)))))) .cse17) (= (let ((.cse32 (let ((.cse33 (let ((.cse34 (store .cse35 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (select .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse35) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (store .cse34 .cse6 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse34) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse34 .cse6)))))) (store .cse33 .cse5 (+ (select .cse33 .cse5) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse33) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (let ((.cse28 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse32))) (let ((.cse29 (select .cse28 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse27 (select .cse29 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse31 (select .cse32 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse30 (select (select (store .cse28 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse29 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse27 .cse31))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ .cse27 (select (select (store .cse28 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse29 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse27 .cse30 .cse31))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse30 .cse31)))))) .cse17) (= (let ((.cse41 (let ((.cse42 (let ((.cse43 (let ((.cse44 (store .cse26 .cse45 0))) (store .cse44 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse44) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse44 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (store .cse43 .cse6 (+ (select .cse43 .cse6) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse43) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store .cse42 .cse5 (+ (select .cse42 .cse5) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse42) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (let ((.cse36 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse41))) (let ((.cse37 (select .cse36 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse38 (select .cse41 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse39 (select .cse37 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse40 (select (select (store .cse36 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse37 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse38 .cse39))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ (select (select (store .cse36 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse37 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse38 .cse39 .cse40))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse38 .cse39 .cse40)))))) .cse17) (= (let ((.cse52 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ (select .cse26 .cse45) .cse15))))) (let ((.cse51 (let ((.cse53 (let ((.cse54 (let ((.cse55 (store (store (store (select .cse52 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| 0) .cse6 0) .cse5 0))) (store .cse55 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (select .cse55 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store .cse52 |c_ULTIMATE.start_main_~a~0#1.base| .cse55) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store .cse54 .cse6 (+ (select .cse54 .cse6) (select (select (store .cse52 |c_ULTIMATE.start_main_~a~0#1.base| .cse54) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store .cse53 .cse5 (+ (select .cse53 .cse5) (select (select (store .cse52 |c_ULTIMATE.start_main_~a~0#1.base| .cse53) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (let ((.cse49 (store .cse52 |c_ULTIMATE.start_main_~a~0#1.base| .cse51))) (let ((.cse50 (select .cse49 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse46 (select .cse51 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse48 (select .cse50 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse47 (select (select (store .cse49 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse50 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse46 .cse48))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ .cse46 .cse47 .cse48 (select (select (store .cse49 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse50 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse46 .cse47 .cse48))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5)))))))) .cse17) (= (let ((.cse61 (let ((.cse62 (let ((.cse63 (let ((.cse64 (store (store (store .cse26 |c_ULTIMATE.start_main_~a~0#1.offset| 0) .cse6 0) .cse5 0))) (store .cse64 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse64) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse64 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (store .cse63 .cse6 (+ (select .cse63 .cse6) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse63) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store .cse62 .cse5 (+ (select .cse62 .cse5) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse62) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (let ((.cse58 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse61))) (let ((.cse59 (select .cse58 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse57 (select .cse59 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse60 (select .cse61 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse56 (select (select (store .cse58 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse59 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse57 .cse60))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ .cse56 .cse57 (select (select (store .cse58 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse59 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse56 .cse57 .cse60))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse60)))))) .cse17) (= (let ((.cse70 (let ((.cse71 (let ((.cse72 (let ((.cse73 (store .cse35 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse74 16) 0))) (store .cse73 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse73) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse73 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (store .cse72 .cse6 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse72) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse72 .cse6)))))) (store .cse71 .cse5 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse71) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse71 .cse5)))))) (let ((.cse65 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse70))) (let ((.cse66 (select .cse65 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse67 (select .cse70 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse68 (select .cse66 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse69 (select (select (store .cse65 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse66 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse67 .cse68))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ (select (select (store .cse65 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse66 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse67 .cse68 .cse69))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse67 .cse68 .cse69)))))) .cse17))))) is different from false [2021-12-07 00:33:06,073 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse12 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|)) (.cse26 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse74 (* |c_ULTIMATE.start_main_~i~0#1| 8)) (.cse13 (select .cse26 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse15 (select .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse16 (+ .cse13 .cse15)) (.cse45 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse74)) (.cse5 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (.cse6 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)) (.cse35 (store .cse26 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse74 8) 0)) (.cse17 (+ c_~N~0 (* c_~N~0 c_~N~0)))) (and (= (let ((.cse8 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse14 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse16)) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ .cse13 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse13 .cse14 .cse15))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse14 .cse15)))))) (let ((.cse7 (let ((.cse9 (let ((.cse10 (let ((.cse11 (store (store (store (select .cse8 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| 0) .cse6 0) .cse5 0))) (store .cse11 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (select .cse11 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store .cse8 |c_ULTIMATE.start_main_~a~0#1.base| .cse11) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store .cse10 .cse6 (+ (select (select (store .cse8 |c_ULTIMATE.start_main_~a~0#1.base| .cse10) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse10 .cse6)))))) (store .cse9 .cse5 (+ (select (select (store .cse8 |c_ULTIMATE.start_main_~a~0#1.base| .cse9) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse9 .cse5)))))) (let ((.cse0 (store .cse8 |c_ULTIMATE.start_main_~a~0#1.base| .cse7))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse2 (select .cse7 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse4 (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse3 (select (select (store .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse2 .cse4))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ (select (select (store .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse2 .cse3 .cse4))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse2 .cse3 .cse4))))))) .cse17) (= (let ((.cse23 (let ((.cse24 (let ((.cse25 (store .cse26 |c_ULTIMATE.start_main_~a~0#1.offset| .cse16))) (store .cse25 .cse6 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse25) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse25 .cse6)))))) (store .cse24 .cse5 (+ (select .cse24 .cse5) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse24) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (let ((.cse20 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse23))) (let ((.cse21 (select .cse20 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse19 (select .cse21 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse22 (select .cse23 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse18 (select (select (store .cse20 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse21 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse19 .cse22))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ .cse18 .cse19 (select (select (store .cse20 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse21 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse18 .cse19 .cse22))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse22)))))) .cse17) (= (let ((.cse32 (let ((.cse33 (let ((.cse34 (store .cse35 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (select .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse35) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (store .cse34 .cse6 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse34) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse34 .cse6)))))) (store .cse33 .cse5 (+ (select .cse33 .cse5) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse33) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (let ((.cse28 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse32))) (let ((.cse29 (select .cse28 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse27 (select .cse29 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse31 (select .cse32 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse30 (select (select (store .cse28 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse29 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse27 .cse31))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ .cse27 (select (select (store .cse28 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse29 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse27 .cse30 .cse31))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse30 .cse31)))))) .cse17) (= (let ((.cse41 (let ((.cse42 (let ((.cse43 (let ((.cse44 (store .cse26 .cse45 0))) (store .cse44 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse44) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse44 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (store .cse43 .cse6 (+ (select .cse43 .cse6) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse43) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store .cse42 .cse5 (+ (select .cse42 .cse5) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse42) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (let ((.cse36 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse41))) (let ((.cse37 (select .cse36 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse38 (select .cse41 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse39 (select .cse37 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse40 (select (select (store .cse36 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse37 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse38 .cse39))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ (select (select (store .cse36 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse37 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse38 .cse39 .cse40))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse38 .cse39 .cse40)))))) .cse17) (= (let ((.cse52 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ (select .cse26 .cse45) .cse15))))) (let ((.cse51 (let ((.cse53 (let ((.cse54 (let ((.cse55 (store (store (store (select .cse52 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| 0) .cse6 0) .cse5 0))) (store .cse55 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (select .cse55 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store .cse52 |c_ULTIMATE.start_main_~a~0#1.base| .cse55) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store .cse54 .cse6 (+ (select .cse54 .cse6) (select (select (store .cse52 |c_ULTIMATE.start_main_~a~0#1.base| .cse54) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store .cse53 .cse5 (+ (select .cse53 .cse5) (select (select (store .cse52 |c_ULTIMATE.start_main_~a~0#1.base| .cse53) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (let ((.cse49 (store .cse52 |c_ULTIMATE.start_main_~a~0#1.base| .cse51))) (let ((.cse50 (select .cse49 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse46 (select .cse51 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse48 (select .cse50 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse47 (select (select (store .cse49 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse50 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse46 .cse48))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ .cse46 .cse47 .cse48 (select (select (store .cse49 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse50 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse46 .cse47 .cse48))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5)))))))) .cse17) (= (let ((.cse61 (let ((.cse62 (let ((.cse63 (let ((.cse64 (store (store (store .cse26 |c_ULTIMATE.start_main_~a~0#1.offset| 0) .cse6 0) .cse5 0))) (store .cse64 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse64) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse64 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (store .cse63 .cse6 (+ (select .cse63 .cse6) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse63) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store .cse62 .cse5 (+ (select .cse62 .cse5) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse62) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (let ((.cse58 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse61))) (let ((.cse59 (select .cse58 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse57 (select .cse59 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse60 (select .cse61 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse56 (select (select (store .cse58 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse59 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse57 .cse60))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ .cse56 .cse57 (select (select (store .cse58 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse59 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse56 .cse57 .cse60))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse60)))))) .cse17) (= (let ((.cse70 (let ((.cse71 (let ((.cse72 (let ((.cse73 (store .cse35 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse74 16) 0))) (store .cse73 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse73) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse73 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (store .cse72 .cse6 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse72) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse72 .cse6)))))) (store .cse71 .cse5 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse71) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse71 .cse5)))))) (let ((.cse65 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse70))) (let ((.cse66 (select .cse65 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse67 (select .cse70 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse68 (select .cse66 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse69 (select (select (store .cse65 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse66 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse67 .cse68))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ (select (select (store .cse65 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse66 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse67 .cse68 .cse69))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse67 .cse68 .cse69)))))) .cse17))))) is different from true [2021-12-07 00:34:34,677 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 00:34:35,700 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 00:34:37,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 00:34:39,793 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 00:34:41,305 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 00:34:43,357 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse42 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|)) (.cse10 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse43 (select .cse10 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse45 (select .cse42 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse22 (* |c_ULTIMATE.start_main_~i~0#1| 8)) (.cse5 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (.cse11 (+ .cse43 .cse45)) (.cse6 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)) (.cse12 (+ c_~N~0 (* c_~N~0 c_~N~0)))) (and (= (let ((.cse7 (let ((.cse8 (let ((.cse9 (store .cse10 |c_ULTIMATE.start_main_~a~0#1.offset| .cse11))) (store .cse9 .cse6 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse9) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse9 .cse6)))))) (store .cse8 .cse5 (+ (select .cse8 .cse5) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse8) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse7))) (let ((.cse3 (select .cse2 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse1 (select .cse3 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse4 (select .cse7 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse0 (select (select (store .cse2 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse1 .cse4))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ .cse0 .cse1 (select (select (store .cse2 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse0 .cse1 .cse4))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse4)))))) .cse12) (= (let ((.cse18 (let ((.cse19 (let ((.cse20 (let ((.cse21 (store .cse10 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse22 8) 0))) (store .cse21 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (select .cse21 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse21) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store .cse20 .cse6 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse20) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse20 .cse6)))))) (store .cse19 .cse5 (+ (select .cse19 .cse5) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse19) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse18))) (let ((.cse15 (select .cse14 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse13 (select .cse15 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse17 (select .cse18 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse16 (select (select (store .cse14 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse15 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse13 .cse17))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ .cse13 (select (select (store .cse14 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse15 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse13 .cse16 .cse17))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse16 .cse17)))))) .cse12) (= (let ((.cse28 (let ((.cse29 (let ((.cse30 (let ((.cse31 (store .cse10 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse22) 0))) (store .cse31 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse31) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse31 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (store .cse30 .cse6 (+ (select .cse30 .cse6) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse30) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store .cse29 .cse5 (+ (select .cse29 .cse5) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse29) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (let ((.cse23 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse28))) (let ((.cse24 (select .cse23 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse25 (select .cse28 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse26 (select .cse24 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse27 (select (select (store .cse23 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse24 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse25 .cse26))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ (select (select (store .cse23 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse24 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse25 .cse26 .cse27))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse25 .cse26 .cse27)))))) .cse12) (or (= (let ((.cse38 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse42 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse44 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse42 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse11)) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ .cse43 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse42 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse43 .cse44 .cse45))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse44 .cse45)))))) (let ((.cse37 (let ((.cse39 (let ((.cse40 (let ((.cse41 (store (store (store (select .cse38 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| 0) .cse6 0) .cse5 0))) (store .cse41 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (select .cse41 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store .cse38 |c_ULTIMATE.start_main_~a~0#1.base| .cse41) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store .cse40 .cse6 (+ (select (select (store .cse38 |c_ULTIMATE.start_main_~a~0#1.base| .cse40) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse40 .cse6)))))) (store .cse39 .cse5 (+ (select (select (store .cse38 |c_ULTIMATE.start_main_~a~0#1.base| .cse39) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse39 .cse5)))))) (let ((.cse32 (store .cse38 |c_ULTIMATE.start_main_~a~0#1.base| .cse37))) (let ((.cse33 (select .cse32 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse34 (select .cse37 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse36 (select .cse33 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse35 (select (select (store .cse32 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse33 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse34 .cse36))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ (select (select (store .cse32 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse33 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse34 .cse35 .cse36))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse34 .cse35 .cse36))))))) .cse12) (< |c_ULTIMATE.start_main_~i~0#1| c_~N~0)))))) is different from false [2021-12-07 00:34:47,719 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 00:34:50,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 00:34:52,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 00:34:53,877 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 00:34:57,222 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 00:37:26,080 WARN L227 SmtUtils]: Spent 13.01s on a formula simplification that was a NOOP. DAG size: 138 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-07 00:37:29,405 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 00:37:32,050 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 00:37:33,892 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 00:37:37,264 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 00:37:39,045 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 00:37:41,073 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 00:38:24,394 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 00:38:39,016 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 00:40:49,892 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 00:40:53,876 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 00:41:00,936 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 00:41:02,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 00:41:04,789 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 00:41:06,844 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 00:42:00,378 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers []