./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/c.03-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0744ed-d883-42dd-81be-95217e86e292/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0744ed-d883-42dd-81be-95217e86e292/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0744ed-d883-42dd-81be-95217e86e292/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0744ed-d883-42dd-81be-95217e86e292/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/c.03-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0744ed-d883-42dd-81be-95217e86e292/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0744ed-d883-42dd-81be-95217e86e292/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ffd6e9554cad43049f3baa89c0ba2bf94011d3e069a47b1754df8be10679286a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 14:58:08,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:58:08,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:58:08,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:58:08,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:58:08,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:58:08,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:58:08,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:58:08,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:58:08,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:58:08,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:58:08,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:58:08,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:58:08,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:58:08,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:58:08,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:58:08,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:58:08,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:58:08,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:58:08,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:58:08,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:58:08,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:58:08,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:58:08,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:58:08,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:58:08,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:58:08,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:58:08,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:58:08,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:58:08,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:58:08,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:58:08,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:58:08,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:58:08,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:58:08,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:58:08,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:58:08,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:58:08,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:58:08,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:58:08,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:58:08,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:58:08,110 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0744ed-d883-42dd-81be-95217e86e292/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 14:58:08,131 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:58:08,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:58:08,131 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:58:08,132 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:58:08,132 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:58:08,132 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:58:08,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:58:08,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:58:08,133 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:58:08,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:58:08,134 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 14:58:08,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:58:08,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:58:08,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:58:08,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:58:08,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:58:08,135 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 14:58:08,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:58:08,135 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:58:08,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:58:08,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:58:08,136 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:58:08,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:58:08,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:58:08,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:58:08,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:58:08,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:58:08,137 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:58:08,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:58:08,137 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:58:08,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:58:08,137 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:58:08,137 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:58:08,138 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:58:08,138 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_0e0744ed-d883-42dd-81be-95217e86e292/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0744ed-d883-42dd-81be-95217e86e292/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffd6e9554cad43049f3baa89c0ba2bf94011d3e069a47b1754df8be10679286a [2022-12-13 14:58:08,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:58:08,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:58:08,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:58:08,347 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:58:08,348 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:58:08,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0744ed-d883-42dd-81be-95217e86e292/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-memory-alloca/c.03-alloca-1.i [2022-12-13 14:58:10,887 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:58:11,028 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:58:11,028 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0744ed-d883-42dd-81be-95217e86e292/sv-benchmarks/c/termination-memory-alloca/c.03-alloca-1.i [2022-12-13 14:58:11,035 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0744ed-d883-42dd-81be-95217e86e292/bin/uautomizer-uyxdKDjOR8/data/20fbad60c/7f8972c5559e4a40b589246642efe9b0/FLAG5317ba946 [2022-12-13 14:58:11,045 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0744ed-d883-42dd-81be-95217e86e292/bin/uautomizer-uyxdKDjOR8/data/20fbad60c/7f8972c5559e4a40b589246642efe9b0 [2022-12-13 14:58:11,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:58:11,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:58:11,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:58:11,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:58:11,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:58:11,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:58:11" (1/1) ... [2022-12-13 14:58:11,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@688561d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:58:11, skipping insertion in model container [2022-12-13 14:58:11,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:58:11" (1/1) ... [2022-12-13 14:58:11,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:58:11,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:58:11,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:58:11,307 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:58:11,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:58:11,355 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:58:11,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:58:11 WrapperNode [2022-12-13 14:58:11,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:58:11,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:58:11,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:58:11,357 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:58:11,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:58:11" (1/1) ... [2022-12-13 14:58:11,373 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:58:11" (1/1) ... [2022-12-13 14:58:11,392 INFO L138 Inliner]: procedures = 111, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 86 [2022-12-13 14:58:11,393 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:58:11,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:58:11,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:58:11,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:58:11,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:58:11" (1/1) ... [2022-12-13 14:58:11,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:58:11" (1/1) ... [2022-12-13 14:58:11,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:58:11" (1/1) ... [2022-12-13 14:58:11,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:58:11" (1/1) ... [2022-12-13 14:58:11,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:58:11" (1/1) ... [2022-12-13 14:58:11,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:58:11" (1/1) ... [2022-12-13 14:58:11,414 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:58:11" (1/1) ... [2022-12-13 14:58:11,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:58:11" (1/1) ... [2022-12-13 14:58:11,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:58:11,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:58:11,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:58:11,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:58:11,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:58:11" (1/1) ... [2022-12-13 14:58:11,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:58:11,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0744ed-d883-42dd-81be-95217e86e292/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:58:11,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0744ed-d883-42dd-81be-95217e86e292/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:58:11,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0744ed-d883-42dd-81be-95217e86e292/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:58:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 14:58:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 14:58:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 14:58:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 14:58:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:58:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:58:11,567 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:58:11,569 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:58:11,682 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:58:11,686 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:58:11,687 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 14:58:11,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:58:11 BoogieIcfgContainer [2022-12-13 14:58:11,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:58:11,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:58:11,690 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:58:11,693 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:58:11,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:58:11" (1/3) ... [2022-12-13 14:58:11,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60dbc56d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:58:11, skipping insertion in model container [2022-12-13 14:58:11,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:58:11" (2/3) ... [2022-12-13 14:58:11,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60dbc56d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:58:11, skipping insertion in model container [2022-12-13 14:58:11,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:58:11" (3/3) ... [2022-12-13 14:58:11,695 INFO L112 eAbstractionObserver]: Analyzing ICFG c.03-alloca-1.i [2022-12-13 14:58:11,710 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:58:11,711 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 14:58:11,749 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:58:11,755 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7d28c585, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:58:11,755 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 14:58:11,758 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 18 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:58:11,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-13 14:58:11,764 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:58:11,764 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:58:11,765 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 14:58:11,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:58:11,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1806849165, now seen corresponding path program 1 times [2022-12-13 14:58:11,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:58:11,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23291044] [2022-12-13 14:58:11,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:58:11,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:58:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:58:12,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:58:12,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:58:12,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23291044] [2022-12-13 14:58:12,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23291044] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:58:12,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:58:12,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 14:58:12,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342028120] [2022-12-13 14:58:12,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:58:12,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:58:12,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:58:12,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:58:12,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:58:12,578 INFO L87 Difference]: Start difference. First operand has 19 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 18 states have internal predecessors, (22), 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 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:58:12,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:58:12,663 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2022-12-13 14:58:12,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:58:12,666 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 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 7 [2022-12-13 14:58:12,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:58:12,671 INFO L225 Difference]: With dead ends: 32 [2022-12-13 14:58:12,671 INFO L226 Difference]: Without dead ends: 16 [2022-12-13 14:58:12,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 14:58:12,676 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 35 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:58:12,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 30 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:58:12,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-13 14:58:12,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 13. [2022-12-13 14:58:12,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.5) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:58:12,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2022-12-13 14:58:12,699 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 7 [2022-12-13 14:58:12,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:58:12,699 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2022-12-13 14:58:12,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:58:12,700 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2022-12-13 14:58:12,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-13 14:58:12,700 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:58:12,700 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:58:12,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 14:58:12,701 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 14:58:12,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:58:12,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1806849357, now seen corresponding path program 1 times [2022-12-13 14:58:12,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:58:12,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910076700] [2022-12-13 14:58:12,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:58:12,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:58:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:58:12,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:58:12,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:58:12,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910076700] [2022-12-13 14:58:12,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910076700] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:58:12,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:58:12,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:58:12,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426045967] [2022-12-13 14:58:12,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:58:12,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 14:58:12,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:58:12,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 14:58:12,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:58:12,983 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:58:13,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:58:13,024 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2022-12-13 14:58:13,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:58:13,024 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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 7 [2022-12-13 14:58:13,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:58:13,025 INFO L225 Difference]: With dead ends: 24 [2022-12-13 14:58:13,025 INFO L226 Difference]: Without dead ends: 23 [2022-12-13 14:58:13,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:58:13,027 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 12 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:58:13,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 22 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:58:13,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-12-13 14:58:13,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 18. [2022-12-13 14:58:13,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 17 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:58:13,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2022-12-13 14:58:13,031 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 7 [2022-12-13 14:58:13,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:58:13,032 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2022-12-13 14:58:13,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:58:13,032 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-12-13 14:58:13,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-13 14:58:13,032 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:58:13,032 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:58:13,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 14:58:13,033 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 14:58:13,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:58:13,034 INFO L85 PathProgramCache]: Analyzing trace with hash 177749322, now seen corresponding path program 1 times [2022-12-13 14:58:13,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:58:13,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601107561] [2022-12-13 14:58:13,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:58:13,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:58:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:58:13,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:58:13,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:58:13,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601107561] [2022-12-13 14:58:13,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601107561] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:58:13,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:58:13,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:58:13,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781995463] [2022-12-13 14:58:13,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:58:13,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 14:58:13,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:58:13,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 14:58:13,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:58:13,116 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:58:13,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:58:13,160 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions. [2022-12-13 14:58:13,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:58:13,160 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-13 14:58:13,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:58:13,161 INFO L225 Difference]: With dead ends: 18 [2022-12-13 14:58:13,161 INFO L226 Difference]: Without dead ends: 17 [2022-12-13 14:58:13,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 14:58:13,162 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 6 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:58:13,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 21 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:58:13,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-12-13 14:58:13,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-12-13 14:58:13,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 15 states have (on average 1.4) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:58:13,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2022-12-13 14:58:13,166 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 8 [2022-12-13 14:58:13,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:58:13,166 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2022-12-13 14:58:13,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:58:13,166 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-12-13 14:58:13,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-13 14:58:13,166 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:58:13,167 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:58:13,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 14:58:13,167 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 14:58:13,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:58:13,167 INFO L85 PathProgramCache]: Analyzing trace with hash 177755280, now seen corresponding path program 1 times [2022-12-13 14:58:13,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:58:13,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498316132] [2022-12-13 14:58:13,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:58:13,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:58:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:58:13,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:58:13,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:58:13,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498316132] [2022-12-13 14:58:13,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498316132] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:58:13,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:58:13,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:58:13,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368339338] [2022-12-13 14:58:13,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:58:13,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 14:58:13,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:58:13,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 14:58:13,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:58:13,229 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:58:13,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:58:13,254 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2022-12-13 14:58:13,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:58:13,254 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-13 14:58:13,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:58:13,255 INFO L225 Difference]: With dead ends: 17 [2022-12-13 14:58:13,255 INFO L226 Difference]: Without dead ends: 16 [2022-12-13 14:58:13,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:58:13,256 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 11 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:58:13,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 13 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:58:13,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-13 14:58:13,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-13 14:58:13,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:58:13,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2022-12-13 14:58:13,259 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 8 [2022-12-13 14:58:13,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:58:13,259 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions. [2022-12-13 14:58:13,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:58:13,259 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2022-12-13 14:58:13,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 14:58:13,260 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:58:13,260 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:58:13,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 14:58:13,260 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 14:58:13,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:58:13,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1818808517, now seen corresponding path program 1 times [2022-12-13 14:58:13,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:58:13,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462494203] [2022-12-13 14:58:13,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:58:13,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:58:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:58:13,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:58:13,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:58:13,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462494203] [2022-12-13 14:58:13,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462494203] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:58:13,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420602765] [2022-12-13 14:58:13,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:58:13,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:58:13,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0744ed-d883-42dd-81be-95217e86e292/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:58:13,515 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0744ed-d883-42dd-81be-95217e86e292/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:58:13,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0744ed-d883-42dd-81be-95217e86e292/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 14:58:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:58:13,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-13 14:58:13,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:58:26,274 WARN L233 SmtUtils]: Spent 12.57s on a formula simplification. DAG size of input: 303 DAG size of output: 145 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-13 14:58:26,275 INFO L321 Elim1Store]: treesize reduction 1044, result has 31.4 percent of original size [2022-12-13 14:58:26,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 14 new quantified variables, introduced 49 case distinctions, treesize of input 2022 treesize of output 4233 [2022-12-13 14:58:26,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 49 treesize of output 42 [2022-12-13 14:58:27,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 25 treesize of output 22 [2022-12-13 14:58:28,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 37 treesize of output 26 [2022-12-13 14:58:28,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 57 treesize of output 44 [2022-12-13 14:58:29,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 37 treesize of output 26 [2022-12-13 14:58:37,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 37 treesize of output 26 [2022-12-13 14:58:39,030 INFO L350 Elim1Store]: Elim1 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 7 treesize of output 5 [2022-12-13 14:59:48,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 113 [2022-12-13 14:59:48,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 14:59:48,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 23 treesize of output 7 [2022-12-13 14:59:49,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 14:59:49,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 14:59:50,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 14:59:51,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 14:59:51,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 14:59:52,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 14:59:52,117 INFO L217 Elim1Store]: Index analysis took 2612 ms [2022-12-13 14:59:52,891 INFO L321 Elim1Store]: treesize reduction 234, result has 9.7 percent of original size [2022-12-13 14:59:52,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 27 case distinctions, treesize of input 8769 treesize of output 9768 [2022-12-13 15:00:06,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:06,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:06,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:06,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:06,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:07,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:07,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:07,146 INFO L217 Elim1Store]: Index analysis took 506 ms [2022-12-13 15:00:07,424 INFO L321 Elim1Store]: treesize reduction 144, result has 10.6 percent of original size [2022-12-13 15:00:07,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 26 case distinctions, treesize of input 3135 treesize of output 4126 [2022-12-13 15:00:13,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:13,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:13,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:13,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:13,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:13,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:13,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:13,404 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:13,406 INFO L217 Elim1Store]: Index analysis took 399 ms [2022-12-13 15:00:13,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 9749 treesize of output 10704 [2022-12-13 15:00:16,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:16,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:16,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:16,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:16,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:16,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:17,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:17,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:17,055 INFO L217 Elim1Store]: Index analysis took 488 ms [2022-12-13 15:00:17,152 INFO L321 Elim1Store]: treesize reduction 73, result has 9.9 percent of original size [2022-12-13 15:00:17,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 14 case distinctions, treesize of input 9749 treesize of output 10712 [2022-12-13 15:00:22,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:22,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:22,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:22,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:22,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:22,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:22,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:22,840 INFO L217 Elim1Store]: Index analysis took 439 ms [2022-12-13 15:00:22,881 INFO L321 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2022-12-13 15:00:22,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 13 case distinctions, treesize of input 9749 treesize of output 10704 [2022-12-13 15:00:26,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:26,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:26,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:26,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:26,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:26,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:26,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:26,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:26,487 INFO L217 Elim1Store]: Index analysis took 298 ms [2022-12-13 15:00:26,677 INFO L321 Elim1Store]: treesize reduction 120, result has 12.4 percent of original size [2022-12-13 15:00:26,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 22 case distinctions, treesize of input 4045 treesize of output 4500 [2022-12-13 15:00:35,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:35,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:35,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:35,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:36,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:36,101 INFO L217 Elim1Store]: Index analysis took 448 ms [2022-12-13 15:00:36,283 INFO L321 Elim1Store]: treesize reduction 203, result has 7.7 percent of original size [2022-12-13 15:00:36,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 23 case distinctions, treesize of input 5206 treesize of output 5627 [2022-12-13 15:00:47,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:48,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:48,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:48,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:49,024 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:49,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:49,130 INFO L217 Elim1Store]: Index analysis took 981 ms [2022-12-13 15:00:49,538 INFO L321 Elim1Store]: treesize reduction 195, result has 11.4 percent of original size [2022-12-13 15:00:49,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 23 case distinctions, treesize of input 22139 treesize of output 22478 [2022-12-13 15:01:34,647 INFO L350 Elim1Store]: Elim1 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 1906 treesize of output 1900 [2022-12-13 15:01:36,509 INFO L350 Elim1Store]: Elim1 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 1912 treesize of output 1906 [2022-12-13 15:01:38,360 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 19 [2022-12-13 15:01:38,589 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 19 [2022-12-13 15:01:38,797 INFO L350 Elim1Store]: Elim1 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 17 treesize of output 13 [2022-12-13 15:01:39,000 INFO L350 Elim1Store]: Elim1 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 17 treesize of output 13 [2022-12-13 15:01:39,306 INFO L350 Elim1Store]: Elim1 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 685 treesize of output 675 [2022-12-13 15:01:40,295 INFO L350 Elim1Store]: Elim1 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 2476 treesize of output 2452 [2022-12-13 15:01:50,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:01:51,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:01:51,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:01:51,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:01:57,308 WARN L233 SmtUtils]: Spent 6.05s on a formula simplification. DAG size of input: 131 DAG size of output: 50 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-13 15:01:57,309 INFO L321 Elim1Store]: treesize reduction 424, result has 19.4 percent of original size [2022-12-13 15:01:57,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 20324 treesize of output 24124 [2022-12-13 15:08:57,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:08:57,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:08:57,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:08:57,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:08:57,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:08:57,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:08:57,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:08:57,950 INFO L321 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2022-12-13 15:08:57,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 7123 treesize of output 7201 [2022-12-13 15:09:03,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:09:03,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:09:03,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:09:03,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:09:03,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:09:03,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:09:03,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:09:03,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:09:03,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:09:03,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:09:03,312 INFO L321 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2022-12-13 15:09:03,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 246 treesize of output 354 [2022-12-13 15:09:03,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:09:03,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:09:03,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:09:03,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:09:03,782 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:09:03,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:09:03,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:09:03,788 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:09:03,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:09:03,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:09:03,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1625 treesize of output 1727 [2022-12-13 15:09:04,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:09:04,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:09:04,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:09:04,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:09:04,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:09:04,260 INFO L321 Elim1Store]: treesize reduction 81, result has 9.0 percent of original size [2022-12-13 15:09:04,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 14 case distinctions, treesize of input 1720 treesize of output 1822 [2022-12-13 15:09:05,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:09:05,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:09:05,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:09:05,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:09:05,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:09:05,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:09:05,600 INFO L321 Elim1Store]: treesize reduction 72, result has 19.1 percent of original size [2022-12-13 15:09:05,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 14 case distinctions, treesize of input 5921 treesize of output 5991 [2022-12-13 15:09:11,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:09:12,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:09:12,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:09:12,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:09:13,308 INFO L321 Elim1Store]: treesize reduction 125, result has 12.0 percent of original size [2022-12-13 15:09:13,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 17 case distinctions, treesize of input 46998 treesize of output 46860