./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array16_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-patterns/array16_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8 --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 db57f1195f9e10b53cb5b54e10ee768ec758884b71e7f0bbf52d0c8cfb29e46d --- 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-e04fb08 [2022-11-16 11:57:55,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:57:55,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:57:55,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:57:55,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:57:55,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:57:55,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:57:55,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:57:55,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:57:55,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:57:55,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:57:55,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:57:55,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:57:55,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:57:55,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:57:55,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:57:55,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:57:55,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:57:55,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:57:55,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:57:55,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:57:55,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:57:55,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:57:55,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:57:55,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:57:55,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:57:55,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:57:55,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:57:55,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:57:55,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:57:55,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:57:55,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:57:55,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:57:55,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:57:55,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:57:55,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:57:55,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:57:55,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:57:55,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:57:55,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:57:55,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:57:55,466 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:57:55,509 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:57:55,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:57:55,510 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:57:55,510 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:57:55,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:57:55,513 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:57:55,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:57:55,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:57:55,514 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:57:55,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:57:55,515 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:57:55,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:57:55,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:57:55,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:57:55,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:57:55,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:57:55,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:57:55,517 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:57:55,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:57:55,517 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:57:55,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:57:55,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:57:55,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:57:55,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:57:55,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:57:55,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:57:55,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:57:55,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:57:55,520 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:57:55,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:57:55,521 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:57:55,521 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:57:55,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:57:55,521 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_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db57f1195f9e10b53cb5b54e10ee768ec758884b71e7f0bbf52d0c8cfb29e46d [2022-11-16 11:57:55,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:57:55,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:57:55,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:57:55,905 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:57:55,906 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:57:55,908 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/array-patterns/array16_pattern.c [2022-11-16 11:57:55,986 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/data/8e6f642b7/db47ef35df664bd4a216028ac4947ae4/FLAGb2b963864 [2022-11-16 11:57:56,445 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:57:56,446 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/sv-benchmarks/c/array-patterns/array16_pattern.c [2022-11-16 11:57:56,452 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/data/8e6f642b7/db47ef35df664bd4a216028ac4947ae4/FLAGb2b963864 [2022-11-16 11:57:56,808 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/data/8e6f642b7/db47ef35df664bd4a216028ac4947ae4 [2022-11-16 11:57:56,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:57:56,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:57:56,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:57:56,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:57:56,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:57:56,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:57:56" (1/1) ... [2022-11-16 11:57:56,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af11388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:57:56, skipping insertion in model container [2022-11-16 11:57:56,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:57:56" (1/1) ... [2022-11-16 11:57:56,827 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:57:56,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:57:57,014 WARN L229 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_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/sv-benchmarks/c/array-patterns/array16_pattern.c[1311,1324] [2022-11-16 11:57:57,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:57:57,045 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:57:57,057 WARN L229 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_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/sv-benchmarks/c/array-patterns/array16_pattern.c[1311,1324] [2022-11-16 11:57:57,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:57:57,082 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:57:57,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:57:57 WrapperNode [2022-11-16 11:57:57,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:57:57,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:57:57,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:57:57,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:57:57,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:57:57" (1/1) ... [2022-11-16 11:57:57,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:57:57" (1/1) ... [2022-11-16 11:57:57,118 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2022-11-16 11:57:57,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:57:57,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:57:57,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:57:57,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:57:57,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:57:57" (1/1) ... [2022-11-16 11:57:57,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:57:57" (1/1) ... [2022-11-16 11:57:57,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:57:57" (1/1) ... [2022-11-16 11:57:57,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:57:57" (1/1) ... [2022-11-16 11:57:57,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:57:57" (1/1) ... [2022-11-16 11:57:57,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:57:57" (1/1) ... [2022-11-16 11:57:57,165 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:57:57" (1/1) ... [2022-11-16 11:57:57,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:57:57" (1/1) ... [2022-11-16 11:57:57,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:57:57,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:57:57,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:57:57,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:57:57,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:57:57" (1/1) ... [2022-11-16 11:57:57,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:57:57,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:57:57,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:57:57,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:57:57,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:57:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 11:57:57,261 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 11:57:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:57:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:57:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:57:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:57:57,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:57:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:57:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:57:57,336 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:57:57,337 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:57:57,578 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:57:57,584 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:57:57,584 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-16 11:57:57,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:57:57 BoogieIcfgContainer [2022-11-16 11:57:57,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:57:57,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:57:57,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:57:57,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:57:57,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:57:56" (1/3) ... [2022-11-16 11:57:57,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b335aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:57:57, skipping insertion in model container [2022-11-16 11:57:57,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:57:57" (2/3) ... [2022-11-16 11:57:57,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b335aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:57:57, skipping insertion in model container [2022-11-16 11:57:57,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:57:57" (3/3) ... [2022-11-16 11:57:57,602 INFO L112 eAbstractionObserver]: Analyzing ICFG array16_pattern.c [2022-11-16 11:57:57,636 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:57:57,651 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:57:57,730 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:57:57,742 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;@3a67a9d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:57:57,742 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:57:57,746 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 25 states have (on average 1.6) internal successors, (40), 26 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-16 11:57:57,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-16 11:57:57,754 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:57:57,755 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:57:57,757 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:57:57,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:57:57,764 INFO L85 PathProgramCache]: Analyzing trace with hash -152131175, now seen corresponding path program 1 times [2022-11-16 11:57:57,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:57:57,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176974175] [2022-11-16 11:57:57,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:57:57,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:57:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:57,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:57:57,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176974175] [2022-11-16 11:57:57,936 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-16 11:57:57,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624881120] [2022-11-16 11:57:57,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:57:57,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:57:57,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:57:57,943 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:57:57,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 11:57:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:58,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-16 11:57:58,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:57:58,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:57:58,079 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:57:58,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624881120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:57:58,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:57:58,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:57:58,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658547031] [2022-11-16 11:57:58,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:57:58,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:57:58,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:57:58,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:57:58,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:57:58,139 INFO L87 Difference]: Start difference. First operand has 31 states, 25 states have (on average 1.6) internal successors, (40), 26 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 11:57:58,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:57:58,161 INFO L93 Difference]: Finished difference Result 59 states and 91 transitions. [2022-11-16 11:57:58,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:57:58,164 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-16 11:57:58,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:57:58,171 INFO L225 Difference]: With dead ends: 59 [2022-11-16 11:57:58,171 INFO L226 Difference]: Without dead ends: 27 [2022-11-16 11:57:58,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:57:58,177 INFO L413 NwaCegarLoop]: 38 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, 38 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 [2022-11-16 11:57:58,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:57:58,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-16 11:57:58,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-11-16 11:57:58,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 22 states have internal predecessors, (28), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-16 11:57:58,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2022-11-16 11:57:58,212 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 34 transitions. Word has length 15 [2022-11-16 11:57:58,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:57:58,213 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 34 transitions. [2022-11-16 11:57:58,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 11:57:58,214 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2022-11-16 11:57:58,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-16 11:57:58,215 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:57:58,216 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:57:58,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-16 11:57:58,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:57:58,422 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:57:58,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:57:58,422 INFO L85 PathProgramCache]: Analyzing trace with hash -2136147464, now seen corresponding path program 1 times [2022-11-16 11:57:58,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:57:58,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631848530] [2022-11-16 11:57:58,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:57:58,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:57:58,447 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 11:57:58,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [543544325] [2022-11-16 11:57:58,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:57:58,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:57:58,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:57:58,467 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:57:58,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 11:57:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:58,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 11:57:58,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:57:58,711 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 11:57:58,719 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:57:58,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:57:58,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631848530] [2022-11-16 11:57:58,719 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 11:57:58,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543544325] [2022-11-16 11:57:58,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543544325] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:57:58,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:57:58,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:57:58,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678817929] [2022-11-16 11:57:58,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:57:58,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:57:58,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:57:58,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:57:58,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:57:58,723 INFO L87 Difference]: Start difference. First operand 27 states and 34 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:57:58,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:57:58,888 INFO L93 Difference]: Finished difference Result 58 states and 72 transitions. [2022-11-16 11:57:58,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 11:57:58,889 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2022-11-16 11:57:58,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:57:58,890 INFO L225 Difference]: With dead ends: 58 [2022-11-16 11:57:58,890 INFO L226 Difference]: Without dead ends: 39 [2022-11-16 11:57:58,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:57:58,892 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 39 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:57:58,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 52 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:57:58,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-16 11:57:58,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 33. [2022-11-16 11:57:58,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-16 11:57:58,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2022-11-16 11:57:58,902 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 28 [2022-11-16 11:57:58,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:57:58,903 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2022-11-16 11:57:58,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:57:58,903 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2022-11-16 11:57:58,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-16 11:57:58,904 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:57:58,905 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-16 11:57:58,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:57:59,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-16 11:57:59,111 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:57:59,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:57:59,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1984127527, now seen corresponding path program 1 times [2022-11-16 11:57:59,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:57:59,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263527840] [2022-11-16 11:57:59,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:57:59,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:57:59,127 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 11:57:59,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [375802418] [2022-11-16 11:57:59,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:57:59,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:57:59,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:57:59,145 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:57:59,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 11:57:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:59,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:57:59,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:57:59,301 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-16 11:57:59,301 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:57:59,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:57:59,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263527840] [2022-11-16 11:57:59,302 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 11:57:59,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375802418] [2022-11-16 11:57:59,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375802418] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:57:59,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:57:59,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:57:59,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166071623] [2022-11-16 11:57:59,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:57:59,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:57:59,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:57:59,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:57:59,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:57:59,305 INFO L87 Difference]: Start difference. First operand 33 states and 39 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:57:59,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:57:59,407 INFO L93 Difference]: Finished difference Result 61 states and 75 transitions. [2022-11-16 11:57:59,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:57:59,408 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 34 [2022-11-16 11:57:59,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:57:59,409 INFO L225 Difference]: With dead ends: 61 [2022-11-16 11:57:59,409 INFO L226 Difference]: Without dead ends: 37 [2022-11-16 11:57:59,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:57:59,411 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 25 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:57:59,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 47 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:57:59,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-16 11:57:59,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2022-11-16 11:57:59,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-16 11:57:59,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2022-11-16 11:57:59,420 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 34 [2022-11-16 11:57:59,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:57:59,420 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions. [2022-11-16 11:57:59,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:57:59,421 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2022-11-16 11:57:59,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-16 11:57:59,422 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:57:59,422 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:57:59,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:57:59,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:57:59,627 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:57:59,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:57:59,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1380575367, now seen corresponding path program 1 times [2022-11-16 11:57:59,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:57:59,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917936438] [2022-11-16 11:57:59,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:57:59,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:57:59,648 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 11:57:59,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [328902088] [2022-11-16 11:57:59,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:57:59,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:57:59,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:57:59,650 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:57:59,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e236ed-7d8d-491d-8c7e-91e0abe0d721/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 11:57:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:59,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-16 11:57:59,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:57:59,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 37 treesize of output 32 [2022-11-16 11:57:59,932 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 30 treesize of output 30 [2022-11-16 11:58:00,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 316 treesize of output 297 [2022-11-16 11:58:03,457 INFO L321 Elim1Store]: treesize reduction 456, result has 1.1 percent of original size [2022-11-16 11:58:03,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 8 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 9 new quantified variables, introduced 8 case distinctions, treesize of input 308 treesize of output 2651 [2022-11-16 11:58:48,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 11:58:48,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 11:58:48,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 11:58:48,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 11:58:49,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 11:58:49,504 INFO L217 Elim1Store]: Index analysis took 876 ms [2022-11-16 12:01:27,805 WARN L233 SmtUtils]: Spent 2.63m on a formula simplification. DAG size of input: 350 DAG size of output: 123 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 12:01:27,807 INFO L321 Elim1Store]: treesize reduction 3881, result has 16.0 percent of original size [2022-11-16 12:01:27,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 16 stores, 3 select indices, 3 select index equivalence classes, 16 disjoint index pairs (out of 3 index pairs), introduced 16 new quantified variables, introduced 64 case distinctions, treesize of input 3669 treesize of output 28730 [2022-11-16 12:04:08,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:09,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:11,033 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= 73786976294838206464 (+ (* 17179869184 (mod ~ARR_SIZE~0 4294967296)) (* 17179869184 (mod |ULTIMATE.start_main_~index1~0#1| 4294967296)))) [2022-11-16 12:04:13,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:18,157 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (* 17179869184 (mod ~ARR_SIZE~0 4294967296)) (* 17179869184 (mod |ULTIMATE.start_main_~index1~0#1| 4294967296))) [2022-11-16 12:04:20,962 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ (* 17179869184 (mod ~ARR_SIZE~0 4294967296)) (* 17179869184 (mod |ULTIMATE.start_main_~index1~0#1| 4294967296))) 73786976277658337280) [2022-11-16 12:04:36,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:04:49,180 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (+ |ULTIMATE.start_main_~#array~0#1.offset| (* (mod |ULTIMATE.start_main_~index2~0#1| 4294967296) 4) (* (+ (mod |ULTIMATE.start_main_~index1~0#1| 4294967296) (- 4294967296)) (+ (- 17179869184) (* (mod ~ARR_SIZE~0 4294967296) 4)))))) (= (select v_arrayElimArr_17 .cse0) (select v_arrayElimArr_13 .cse0))) [2022-11-16 12:04:51,186 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (+ |ULTIMATE.start_main_~#array~0#1.offset| (* (mod |ULTIMATE.start_main_~index2~0#1| 4294967296) 4) (* (+ (mod |ULTIMATE.start_main_~index1~0#1| 4294967296) (- 4294967296)) (+ (- 17179869184) (* (mod ~ARR_SIZE~0 4294967296) 4)))))) (= (select v_arrayElimArr_17 .cse0) (select v_arrayElimArr_13 .cse0))) [2022-11-16 12:04:59,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:05:07,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:05:09,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:05:15,076 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse2 (* (mod |ULTIMATE.start_main_~index2~0#1| 4294967296) 4)) (.cse1 (mod |ULTIMATE.start_main_~index1~0#1| 4294967296)) (.cse0 (* (mod ~ARR_SIZE~0 4294967296) 4))) (= (select v_arrayElimArr_3 (+ (- 17179869184) |ULTIMATE.start_main_~#array~0#1.offset| (* .cse0 .cse1) .cse2)) (select v_arrayElimArr_20 (+ |ULTIMATE.start_main_~#array~0#1.offset| .cse2 (* (+ .cse1 (- 4294967296)) (+ (- 17179869184) .cse0)))))) [2022-11-16 12:05:18,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:05:20,408 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse2 (* (mod |ULTIMATE.start_main_~index2~0#1| 4294967296) 4)) (.cse0 (mod |ULTIMATE.start_main_~index1~0#1| 4294967296)) (.cse1 (+ (- 17179869184) (* (mod ~ARR_SIZE~0 4294967296) 4)))) (= (select (select |#memory_int| |ULTIMATE.start_main_~#array~0#1.base|) (+ |ULTIMATE.start_main_~#array~0#1.offset| (* .cse0 .cse1) .cse2)) (select v_arrayElimArr_20 (+ |ULTIMATE.start_main_~#array~0#1.offset| .cse2 (* (+ .cse0 (- 4294967296)) .cse1))))) [2022-11-16 12:05:26,778 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse2 (* (mod |ULTIMATE.start_main_~index2~0#1| 4294967296) 4)) (.cse0 (mod |ULTIMATE.start_main_~index1~0#1| 4294967296)) (.cse1 (+ (- 17179869184) (* (mod ~ARR_SIZE~0 4294967296) 4)))) (= (select v_arrayElimArr_17 (+ |ULTIMATE.start_main_~#array~0#1.offset| (* .cse0 .cse1) .cse2)) (select v_arrayElimArr_20 (+ |ULTIMATE.start_main_~#array~0#1.offset| .cse2 (* (+ .cse0 (- 4294967296)) .cse1))))) [2022-11-16 12:05:26,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:05:30,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:05:31,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:05:41,174 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:06:11,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:07:00,228 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (+ |ULTIMATE.start_main_~#array~0#1.offset| (* (mod |ULTIMATE.start_main_~index1~0#1| 4294967296) (+ (- 17179869184) (* (mod ~ARR_SIZE~0 4294967296) 4))) (* (mod |ULTIMATE.start_main_~index2~0#1| 4294967296) 4)))) (= (select v_arrayElimArr_17 .cse0) (select v_arrayElimArr_10 .cse0))) [2022-11-16 12:07:02,713 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse1 (mod |ULTIMATE.start_main_~index1~0#1| 4294967296)) (.cse0 (* (mod ~ARR_SIZE~0 4294967296) 4)) (.cse2 (* (mod |ULTIMATE.start_main_~index2~0#1| 4294967296) 4))) (= (select v_arrayElimArr_12 (+ (- 17179869184) |ULTIMATE.start_main_~#array~0#1.offset| (* .cse0 .cse1) .cse2)) (select v_arrayElimArr_10 (+ |ULTIMATE.start_main_~#array~0#1.offset| (* .cse1 (+ (- 17179869184) .cse0)) .cse2)))) [2022-11-16 12:07:04,722 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse1 (mod |ULTIMATE.start_main_~index1~0#1| 4294967296)) (.cse2 (+ (- 17179869184) (* (mod ~ARR_SIZE~0 4294967296) 4))) (.cse0 (* (mod |ULTIMATE.start_main_~index2~0#1| 4294967296) 4))) (= (select v_arrayElimArr_12 (+ |ULTIMATE.start_main_~#array~0#1.offset| .cse0 (* (+ .cse1 (- 4294967296)) .cse2))) (select v_arrayElimArr_10 (+ |ULTIMATE.start_main_~#array~0#1.offset| (* .cse1 .cse2) .cse0)))) [2022-11-16 12:07:07,316 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (+ |ULTIMATE.start_main_~#array~0#1.offset| (* (mod |ULTIMATE.start_main_~index1~0#1| 4294967296) (+ (- 17179869184) (* (mod ~ARR_SIZE~0 4294967296) 4))) (* (mod |ULTIMATE.start_main_~index2~0#1| 4294967296) 4)))) (= (select v_arrayElimArr_18 .cse0) (select v_arrayElimArr_14 .cse0))) [2022-11-16 12:07:07,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:07:22,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:07:47,223 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (+ |ULTIMATE.start_main_~#array~0#1.offset| (* (mod |ULTIMATE.start_main_~index2~0#1| 4294967296) 4) (* (+ (mod |ULTIMATE.start_main_~index1~0#1| 4294967296) (- 4294967296)) (+ (- 17179869184) (* (mod ~ARR_SIZE~0 4294967296) 4)))))) (= (select v_arrayElimArr_13 .cse0) (select v_arrayElimArr_19 .cse0))) [2022-11-16 12:08:02,748 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse2 (* (mod |ULTIMATE.start_main_~index2~0#1| 4294967296) 4)) (.cse0 (mod |ULTIMATE.start_main_~index1~0#1| 4294967296)) (.cse1 (+ (- 17179869184) (* (mod ~ARR_SIZE~0 4294967296) 4)))) (= (select v_arrayElimArr_3 (+ |ULTIMATE.start_main_~#array~0#1.offset| (* .cse0 .cse1) .cse2)) (select v_arrayElimArr_19 (+ |ULTIMATE.start_main_~#array~0#1.offset| .cse2 (* (+ .cse0 (- 4294967296)) .cse1))))) [2022-11-16 12:08:05,410 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse1 (* (mod ~ARR_SIZE~0 4294967296) 4)) (.cse0 (mod |ULTIMATE.start_main_~index1~0#1| 4294967296)) (.cse2 (* (mod |ULTIMATE.start_main_~index2~0#1| 4294967296) 4))) (= (select v_arrayElimArr_3 (+ |ULTIMATE.start_main_~#array~0#1.offset| (* .cse0 (+ (- 17179869184) .cse1)) .cse2)) (select (select |#memory_int| |ULTIMATE.start_main_~#array~0#1.base|) (+ (- 17179869184) (* .cse1 (+ .cse0 (- 4294967296))) |ULTIMATE.start_main_~#array~0#1.offset| .cse2)))) [2022-11-16 12:08:07,416 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse1 (* (mod ~ARR_SIZE~0 4294967296) 4)) (.cse0 (mod |ULTIMATE.start_main_~index1~0#1| 4294967296)) (.cse2 (* (mod |ULTIMATE.start_main_~index2~0#1| 4294967296) 4))) (= (select v_arrayElimArr_3 (+ |ULTIMATE.start_main_~#array~0#1.offset| (* .cse0 (+ (- 17179869184) .cse1)) .cse2)) (select v_arrayElimArr_12 (+ (- 17179869184) |ULTIMATE.start_main_~#array~0#1.offset| (* .cse1 .cse0) .cse2)))) [2022-11-16 12:08:15,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:08:18,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:08:22,778 INFO L217 Elim1Store]: Index analysis took 257403 ms [2022-11-16 12:08:37,335 WARN L233 SmtUtils]: Spent 14.50s on a formula simplification. DAG size of input: 145 DAG size of output: 1 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 12:08:37,336 INFO L321 Elim1Store]: treesize reduction 1207, result has 0.1 percent of original size [2022-11-16 12:08:37,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 15 stores, 2 select indices, 2 select index equivalence classes, 15 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 37 case distinctions, treesize of input 3454 treesize of output 46897 [2022-11-16 12:10:02,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:10:02,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:10:05,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:10:09,688 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (* 17179869184 (mod ~ARR_SIZE~0 4294967296)) 73786976277658337280) [2022-11-16 12:10:09,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:10:12,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:10:13,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:10:32,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:10:57,020 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:10:59,670 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse2 (* (mod |ULTIMATE.start_main_~index2~0#1| 4294967296) 4)) (.cse0 (mod |ULTIMATE.start_main_~index1~0#1| 4294967296)) (.cse1 (+ (- 17179869184) (* (mod ~ARR_SIZE~0 4294967296) 4)))) (= (select v_arrayElimArr_20 (+ (- 17179869184) |ULTIMATE.start_main_~#array~0#1.offset| (* .cse0 .cse1) .cse2)) (select v_arrayElimArr_20 (+ |ULTIMATE.start_main_~#array~0#1.offset| .cse2 (* (+ .cse0 (- 4294967296)) .cse1))))) [2022-11-16 12:11:07,300 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:11:08,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:11:08,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:11:09,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:11:09,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:11:11,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:11:14,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:11:15,020 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:11:17,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:11:32,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:11:45,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:11:55,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:12:32,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:13:00,362 INFO L217 Elim1Store]: Index analysis took 177967 ms