./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/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_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/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_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/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 4caa1f295436b297cae57f4102149db941e37f67b5d377cc8e9aa7b58bbf9350 --- 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 12:36:09,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:36:09,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:36:09,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:36:09,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:36:09,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:36:09,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:36:09,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:36:09,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:36:09,468 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:36:09,469 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:36:09,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:36:09,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:36:09,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:36:09,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:36:09,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:36:09,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:36:09,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:36:09,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:36:09,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:36:09,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:36:09,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:36:09,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:36:09,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:36:09,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:36:09,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:36:09,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:36:09,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:36:09,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:36:09,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:36:09,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:36:09,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:36:09,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:36:09,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:36:09,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:36:09,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:36:09,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:36:09,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:36:09,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:36:09,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:36:09,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:36:09,499 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 12:36:09,527 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:36:09,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:36:09,527 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:36:09,528 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:36:09,528 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:36:09,529 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:36:09,529 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:36:09,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:36:09,530 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:36:09,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:36:09,530 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:36:09,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:36:09,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:36:09,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:36:09,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:36:09,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:36:09,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:36:09,541 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:36:09,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:36:09,542 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:36:09,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:36:09,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:36:09,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:36:09,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:36:09,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:36:09,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:36:09,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:36:09,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:36:09,546 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:36:09,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:36:09,546 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:36:09,546 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:36:09,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:36:09,547 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_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4caa1f295436b297cae57f4102149db941e37f67b5d377cc8e9aa7b58bbf9350 [2022-11-16 12:36:09,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:36:09,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:36:09,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:36:09,901 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:36:09,902 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:36:09,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c [2022-11-16 12:36:09,973 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/data/1b5591a1a/2920a81bd4584f2eb7dbe306de375062/FLAGbdf099b1d [2022-11-16 12:36:10,559 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:36:10,559 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c [2022-11-16 12:36:10,568 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/data/1b5591a1a/2920a81bd4584f2eb7dbe306de375062/FLAGbdf099b1d [2022-11-16 12:36:10,901 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/data/1b5591a1a/2920a81bd4584f2eb7dbe306de375062 [2022-11-16 12:36:10,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:36:10,911 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:36:10,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:36:10,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:36:10,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:36:10,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:36:10" (1/1) ... [2022-11-16 12:36:10,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5915c8d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:10, skipping insertion in model container [2022-11-16 12:36:10,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:36:10" (1/1) ... [2022-11-16 12:36:10,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:36:10,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:36:11,178 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_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c[415,428] [2022-11-16 12:36:11,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:36:11,205 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:36:11,219 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_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c[415,428] [2022-11-16 12:36:11,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:36:11,243 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:36:11,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:11 WrapperNode [2022-11-16 12:36:11,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:36:11,246 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:36:11,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:36:11,246 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:36:11,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:11" (1/1) ... [2022-11-16 12:36:11,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:11" (1/1) ... [2022-11-16 12:36:11,287 INFO L138 Inliner]: procedures = 15, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2022-11-16 12:36:11,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:36:11,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:36:11,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:36:11,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:36:11,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:11" (1/1) ... [2022-11-16 12:36:11,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:11" (1/1) ... [2022-11-16 12:36:11,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:11" (1/1) ... [2022-11-16 12:36:11,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:11" (1/1) ... [2022-11-16 12:36:11,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:11" (1/1) ... [2022-11-16 12:36:11,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:11" (1/1) ... [2022-11-16 12:36:11,316 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:11" (1/1) ... [2022-11-16 12:36:11,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:11" (1/1) ... [2022-11-16 12:36:11,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:36:11,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:36:11,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:36:11,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:36:11,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:11" (1/1) ... [2022-11-16 12:36:11,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:36:11,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:11,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:11,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:36:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:36:11,419 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 12:36:11,419 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 12:36:11,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:36:11,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:36:11,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:36:11,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:36:11,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:36:11,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:36:11,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:36:11,504 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:36:11,507 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:36:11,726 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:36:11,734 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:36:11,734 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 12:36:11,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:36:11 BoogieIcfgContainer [2022-11-16 12:36:11,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:36:11,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:36:11,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:36:11,745 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:36:11,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:36:10" (1/3) ... [2022-11-16 12:36:11,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6770e29f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:36:11, skipping insertion in model container [2022-11-16 12:36:11,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:11" (2/3) ... [2022-11-16 12:36:11,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6770e29f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:36:11, skipping insertion in model container [2022-11-16 12:36:11,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:36:11" (3/3) ... [2022-11-16 12:36:11,749 INFO L112 eAbstractionObserver]: Analyzing ICFG array_init_pair_symmetr2.c [2022-11-16 12:36:11,774 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:36:11,774 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:36:11,841 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:36:11,850 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;@1a393869, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:36:11,850 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:36:11,856 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 20 states have (on average 1.45) internal successors, (29), 21 states have internal predecessors, (29), 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 12:36:11,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 12:36:11,867 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:36:11,868 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:36:11,869 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:36:11,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:36:11,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1607472667, now seen corresponding path program 1 times [2022-11-16 12:36:11,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:36:11,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966942142] [2022-11-16 12:36:11,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:36:11,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:36:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:12,067 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 12:36:12,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:36:12,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966942142] [2022-11-16 12:36:12,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966942142] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:36:12,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:36:12,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:36:12,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729655346] [2022-11-16 12:36:12,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:36:12,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 12:36:12,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:36:12,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 12:36:12,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:36:12,115 INFO L87 Difference]: Start difference. First operand has 26 states, 20 states have (on average 1.45) internal successors, (29), 21 states have internal predecessors, (29), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:36:12,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:36:12,139 INFO L93 Difference]: Finished difference Result 50 states and 71 transitions. [2022-11-16 12:36:12,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 12:36:12,141 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-16 12:36:12,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:36:12,150 INFO L225 Difference]: With dead ends: 50 [2022-11-16 12:36:12,150 INFO L226 Difference]: Without dead ends: 22 [2022-11-16 12:36:12,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:36:12,157 INFO L413 NwaCegarLoop]: 30 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, 30 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 12:36:12,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:36:12,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-16 12:36:12,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-16 12:36:12,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 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 12:36:12,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2022-11-16 12:36:12,208 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 9 [2022-11-16 12:36:12,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:36:12,209 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2022-11-16 12:36:12,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:36:12,210 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-11-16 12:36:12,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 12:36:12,212 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:36:12,213 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:36:12,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:36:12,213 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:36:12,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:36:12,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1898116011, now seen corresponding path program 1 times [2022-11-16 12:36:12,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:36:12,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462455919] [2022-11-16 12:36:12,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:36:12,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:36:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:12,401 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 12:36:12,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:36:12,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462455919] [2022-11-16 12:36:12,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462455919] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:36:12,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:36:12,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:36:12,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819847439] [2022-11-16 12:36:12,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:36:12,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:36:12,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:36:12,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:36:12,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:36:12,406 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:36:12,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:36:12,547 INFO L93 Difference]: Finished difference Result 40 states and 50 transitions. [2022-11-16 12:36:12,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:36:12,548 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-16 12:36:12,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:36:12,577 INFO L225 Difference]: With dead ends: 40 [2022-11-16 12:36:12,577 INFO L226 Difference]: Without dead ends: 30 [2022-11-16 12:36:12,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:36:12,579 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 36 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:36:12,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 24 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:36:12,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-16 12:36:12,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2022-11-16 12:36:12,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 19 states have internal predecessors, (22), 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 12:36:12,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2022-11-16 12:36:12,590 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 9 [2022-11-16 12:36:12,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:36:12,591 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2022-11-16 12:36:12,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:36:12,591 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-11-16 12:36:12,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-16 12:36:12,592 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:36:12,593 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] [2022-11-16 12:36:12,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:36:12,593 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:36:12,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:36:12,594 INFO L85 PathProgramCache]: Analyzing trace with hash 544146986, now seen corresponding path program 1 times [2022-11-16 12:36:12,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:36:12,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091341753] [2022-11-16 12:36:12,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:36:12,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:36:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:12,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:36:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:12,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 12:36:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:12,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:36:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:12,829 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-16 12:36:12,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:36:12,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091341753] [2022-11-16 12:36:12,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091341753] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:36:12,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800670369] [2022-11-16 12:36:12,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:36:12,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:36:12,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:12,835 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:36:12,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 12:36:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:12,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:36:12,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:36:13,208 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-16 12:36:13,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:36:13,284 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-16 12:36:13,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1800670369] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:36:13,285 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:36:13,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 10 [2022-11-16 12:36:13,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018809547] [2022-11-16 12:36:13,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:36:13,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 12:36:13,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:36:13,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 12:36:13,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:36:13,290 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-16 12:36:13,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:36:13,602 INFO L93 Difference]: Finished difference Result 72 states and 92 transitions. [2022-11-16 12:36:13,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:36:13,603 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 29 [2022-11-16 12:36:13,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:36:13,608 INFO L225 Difference]: With dead ends: 72 [2022-11-16 12:36:13,608 INFO L226 Difference]: Without dead ends: 61 [2022-11-16 12:36:13,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2022-11-16 12:36:13,617 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 158 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:36:13,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 38 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 12:36:13,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-16 12:36:13,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 48. [2022-11-16 12:36:13,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 34 states have (on average 1.088235294117647) internal successors, (37), 34 states have internal predecessors, (37), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-16 12:36:13,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 61 transitions. [2022-11-16 12:36:13,641 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 61 transitions. Word has length 29 [2022-11-16 12:36:13,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:36:13,641 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 61 transitions. [2022-11-16 12:36:13,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-16 12:36:13,642 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2022-11-16 12:36:13,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-16 12:36:13,650 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:36:13,650 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:36:13,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-16 12:36:13,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:36:13,856 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:36:13,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:36:13,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1645511465, now seen corresponding path program 2 times [2022-11-16 12:36:13,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:36:13,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600175280] [2022-11-16 12:36:13,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:36:13,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:36:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:14,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:36:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:14,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 12:36:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:14,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:36:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:14,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-16 12:36:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:14,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 12:36:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:14,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-16 12:36:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:14,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-16 12:36:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:14,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 12:36:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:14,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 12:36:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:14,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-16 12:36:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:14,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 12:36:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:14,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-16 12:36:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:14,454 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-11-16 12:36:14,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:36:14,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600175280] [2022-11-16 12:36:14,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600175280] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:36:14,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965503903] [2022-11-16 12:36:14,458 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 12:36:14,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:36:14,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:14,464 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:36:14,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 12:36:14,612 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 12:36:14,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:36:14,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 12:36:14,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:36:15,027 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-11-16 12:36:15,027 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:36:15,245 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-11-16 12:36:15,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965503903] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:36:15,246 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:36:15,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 19 [2022-11-16 12:36:15,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596275507] [2022-11-16 12:36:15,246 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:36:15,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-16 12:36:15,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:36:15,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-16 12:36:15,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=195, Unknown=0, NotChecked=0, Total=342 [2022-11-16 12:36:15,249 INFO L87 Difference]: Start difference. First operand 48 states and 61 transitions. Second operand has 19 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 19 states have internal predecessors, (58), 12 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) [2022-11-16 12:36:15,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:36:15,827 INFO L93 Difference]: Finished difference Result 162 states and 206 transitions. [2022-11-16 12:36:15,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 12:36:15,828 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 19 states have internal predecessors, (58), 12 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) Word has length 89 [2022-11-16 12:36:15,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:36:15,830 INFO L225 Difference]: With dead ends: 162 [2022-11-16 12:36:15,830 INFO L226 Difference]: Without dead ends: 145 [2022-11-16 12:36:15,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=222, Invalid=330, Unknown=0, NotChecked=0, Total=552 [2022-11-16 12:36:15,832 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 344 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:36:15,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 63 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-16 12:36:15,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-11-16 12:36:15,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 96. [2022-11-16 12:36:15,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 64 states have (on average 1.046875) internal successors, (67), 64 states have internal predecessors, (67), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2022-11-16 12:36:15,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 127 transitions. [2022-11-16 12:36:15,853 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 127 transitions. Word has length 89 [2022-11-16 12:36:15,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:36:15,854 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 127 transitions. [2022-11-16 12:36:15,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 19 states have internal predecessors, (58), 12 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) [2022-11-16 12:36:15,855 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 127 transitions. [2022-11-16 12:36:15,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-11-16 12:36:15,858 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:36:15,858 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:36:15,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:36:16,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:36:16,065 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:36:16,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:36:16,065 INFO L85 PathProgramCache]: Analyzing trace with hash 548463335, now seen corresponding path program 3 times [2022-11-16 12:36:16,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:36:16,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291884236] [2022-11-16 12:36:16,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:36:16,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:36:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:16,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:36:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:16,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 12:36:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:16,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:36:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:16,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-16 12:36:16,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:16,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 12:36:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:16,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-16 12:36:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:16,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-16 12:36:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:16,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 12:36:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:16,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 12:36:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:16,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-16 12:36:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:16,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 12:36:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:17,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-16 12:36:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:17,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-16 12:36:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:17,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:36:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:17,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-16 12:36:17,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:17,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-16 12:36:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:17,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 12:36:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:17,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-16 12:36:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:17,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-16 12:36:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:17,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 12:36:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:17,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-16 12:36:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:17,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-16 12:36:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:17,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-16 12:36:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:17,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-16 12:36:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:17,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-16 12:36:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:17,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-16 12:36:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:17,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 12:36:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:17,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-16 12:36:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:17,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-16 12:36:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:17,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-16 12:36:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:17,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2120 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 1840 trivial. 0 not checked. [2022-11-16 12:36:17,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:36:17,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291884236] [2022-11-16 12:36:17,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291884236] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:36:17,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304560315] [2022-11-16 12:36:17,145 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 12:36:17,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:36:17,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:17,147 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:36:17,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 12:36:18,171 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-11-16 12:36:18,171 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:36:18,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-16 12:36:18,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:36:18,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2120 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 2020 trivial. 0 not checked. [2022-11-16 12:36:18,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:36:19,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2120 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 2020 trivial. 0 not checked. [2022-11-16 12:36:19,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304560315] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:36:19,549 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:36:19,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 14] total 37 [2022-11-16 12:36:19,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872681720] [2022-11-16 12:36:19,550 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:36:19,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-11-16 12:36:19,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:36:19,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-11-16 12:36:19,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=579, Invalid=753, Unknown=0, NotChecked=0, Total=1332 [2022-11-16 12:36:19,554 INFO L87 Difference]: Start difference. First operand 96 states and 127 transitions. Second operand has 37 states, 37 states have (on average 2.7567567567567566) internal successors, (102), 37 states have internal predecessors, (102), 12 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) [2022-11-16 12:36:20,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:36:20,917 INFO L93 Difference]: Finished difference Result 342 states and 434 transitions. [2022-11-16 12:36:20,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-16 12:36:20,918 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.7567567567567566) internal successors, (102), 37 states have internal predecessors, (102), 12 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) Word has length 209 [2022-11-16 12:36:20,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:36:20,922 INFO L225 Difference]: With dead ends: 342 [2022-11-16 12:36:20,922 INFO L226 Difference]: Without dead ends: 313 [2022-11-16 12:36:20,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 500 GetRequests, 454 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=876, Invalid=1380, Unknown=0, NotChecked=0, Total=2256 [2022-11-16 12:36:20,925 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 711 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 480 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 741 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 480 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-16 12:36:20,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [741 Valid, 131 Invalid, 1011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [480 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-16 12:36:20,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2022-11-16 12:36:20,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 192. [2022-11-16 12:36:20,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 124 states have (on average 1.0241935483870968) internal successors, (127), 124 states have internal predecessors, (127), 66 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2022-11-16 12:36:20,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 259 transitions. [2022-11-16 12:36:20,962 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 259 transitions. Word has length 209 [2022-11-16 12:36:20,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:36:20,964 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 259 transitions. [2022-11-16 12:36:20,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.7567567567567566) internal successors, (102), 37 states have internal predecessors, (102), 12 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) [2022-11-16 12:36:20,964 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 259 transitions. [2022-11-16 12:36:20,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2022-11-16 12:36:20,974 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:36:20,975 INFO L195 NwaCegarLoop]: trace histogram [66, 66, 66, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:36:20,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:36:21,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:36:21,182 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:36:21,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:36:21,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1915094685, now seen corresponding path program 4 times [2022-11-16 12:36:21,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:36:21,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843397385] [2022-11-16 12:36:21,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:36:21,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:36:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:36:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 12:36:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:36:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-16 12:36:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 12:36:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-16 12:36:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-16 12:36:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 12:36:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 12:36:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-16 12:36:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 12:36:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-16 12:36:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-16 12:36:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:36:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-16 12:36:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-16 12:36:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 12:36:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-16 12:36:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-16 12:36:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 12:36:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-16 12:36:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-16 12:36:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-16 12:36:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-16 12:36:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-16 12:36:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-16 12:36:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 12:36:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-16 12:36:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-16 12:36:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-16 12:36:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-16 12:36:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-16 12:36:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-16 12:36:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-16 12:36:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-16 12:36:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-16 12:36:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-16 12:36:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-16 12:36:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-16 12:36:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-16 12:36:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-16 12:36:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-11-16 12:36:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-16 12:36:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-11-16 12:36:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-16 12:36:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-16 12:36:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-16 12:36:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-16 12:36:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-16 12:36:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-16 12:36:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-16 12:36:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-11-16 12:36:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-11-16 12:36:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-16 12:36:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-11-16 12:36:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-11-16 12:36:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-11-16 12:36:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-11-16 12:36:23,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-11-16 12:36:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-11-16 12:36:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-16 12:36:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-11-16 12:36:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-11-16 12:36:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-11-16 12:36:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-11-16 12:36:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-11-16 12:36:23,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:23,641 INFO L134 CoverageAnalysis]: Checked inductivity of 10472 backedges. 0 proven. 1408 refuted. 0 times theorem prover too weak. 9064 trivial. 0 not checked. [2022-11-16 12:36:23,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:36:23,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843397385] [2022-11-16 12:36:23,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843397385] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:36:23,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130599340] [2022-11-16 12:36:23,645 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-16 12:36:23,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:36:23,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:23,651 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:36:23,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 12:36:24,000 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-16 12:36:24,000 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:36:24,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 334 conjunts are in the unsatisfiable core [2022-11-16 12:36:24,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:36:24,127 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 12:36:24,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 28 [2022-11-16 12:36:24,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:24,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2022-11-16 12:36:24,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2022-11-16 12:36:24,670 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 12 treesize of output 11 [2022-11-16 12:36:24,680 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 12 treesize of output 11 [2022-11-16 12:36:25,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:25,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:25,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:25,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:25,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:25,395 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:25,408 INFO L321 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2022-11-16 12:36:25,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2022-11-16 12:36:25,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:25,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:25,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:25,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:25,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:25,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:25,935 INFO L321 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2022-11-16 12:36:25,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2022-11-16 12:36:26,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:26,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:26,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:26,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:26,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:26,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:26,496 INFO L321 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2022-11-16 12:36:26,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2022-11-16 12:36:27,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:27,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:27,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:27,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:27,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:27,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:27,099 INFO L321 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2022-11-16 12:36:27,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2022-11-16 12:36:27,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:27,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:27,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:27,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:27,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:27,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:27,623 INFO L321 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2022-11-16 12:36:27,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2022-11-16 12:36:28,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:28,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:28,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:28,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:28,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:28,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:28,139 INFO L321 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2022-11-16 12:36:28,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2022-11-16 12:36:28,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:28,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:28,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:28,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:28,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:28,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:28,636 INFO L321 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2022-11-16 12:36:28,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2022-11-16 12:36:29,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:29,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:29,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:29,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:29,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:29,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:29,459 INFO L321 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2022-11-16 12:36:29,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2022-11-16 12:36:30,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:30,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:30,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:30,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:30,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:30,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:30,101 INFO L321 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2022-11-16 12:36:30,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2022-11-16 12:36:30,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:30,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:30,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:30,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:30,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:30,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:30,717 INFO L321 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2022-11-16 12:36:30,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2022-11-16 12:36:31,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:31,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:31,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:31,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:31,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:31,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:31,319 INFO L321 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2022-11-16 12:36:31,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2022-11-16 12:36:31,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:31,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:31,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:31,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:31,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:31,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:31,916 INFO L321 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2022-11-16 12:36:31,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2022-11-16 12:36:32,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:32,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:32,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:32,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:32,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:32,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:32,587 INFO L321 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2022-11-16 12:36:32,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2022-11-16 12:36:33,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:33,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:33,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:33,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:33,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:33,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:33,181 INFO L321 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2022-11-16 12:36:33,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2022-11-16 12:36:33,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:33,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:33,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:33,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:33,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:33,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:33,785 INFO L321 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2022-11-16 12:36:33,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2022-11-16 12:36:34,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:34,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:34,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:34,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:34,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:34,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:34,463 INFO L321 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2022-11-16 12:36:34,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2022-11-16 12:36:35,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:35,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:35,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:35,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:35,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:35,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:35,093 INFO L321 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2022-11-16 12:36:35,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2022-11-16 12:36:35,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:35,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:35,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:35,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:35,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:35,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:35,711 INFO L321 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2022-11-16 12:36:35,712 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2022-11-16 12:36:36,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:36,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:36,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:36,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:36,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:36,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:36,372 INFO L321 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2022-11-16 12:36:36,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 46 [2022-11-16 12:36:37,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:37,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:37,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:37,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:36:37,089 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-16 12:36:37,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 42 [2022-11-16 12:36:37,372 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 12:36:37,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 29 [2022-11-16 12:36:37,452 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 12:36:37,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 40 [2022-11-16 12:36:37,724 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 12:36:37,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 56 [2022-11-16 12:36:37,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:37,887 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 12:36:37,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 45 [2022-11-16 12:36:38,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:38,067 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 12:36:38,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 45 [2022-11-16 12:36:38,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:38,244 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 12:36:38,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 45 [2022-11-16 12:36:38,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:38,450 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 12:36:38,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 45 [2022-11-16 12:36:38,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:38,665 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 12:36:38,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 45 [2022-11-16 12:36:38,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:38,844 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 12:36:38,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 45 [2022-11-16 12:36:39,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:39,046 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 12:36:39,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 45 [2022-11-16 12:36:39,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:39,255 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 12:36:39,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 45 [2022-11-16 12:36:39,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:39,459 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 12:36:39,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 45 [2022-11-16 12:36:39,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:39,667 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 12:36:39,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 45 [2022-11-16 12:36:39,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:39,876 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 12:36:39,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 45 [2022-11-16 12:36:40,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:40,091 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 12:36:40,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 45 [2022-11-16 12:36:40,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:40,304 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 12:36:40,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 45 [2022-11-16 12:36:40,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:40,523 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 12:36:40,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 45 [2022-11-16 12:36:40,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:40,742 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 12:36:40,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 45 [2022-11-16 12:36:40,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:40,966 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 12:36:40,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 45 [2022-11-16 12:36:41,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:41,188 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 12:36:41,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 45 [2022-11-16 12:36:41,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:36:41,406 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 12:36:41,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 45 [2022-11-16 12:36:41,635 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 12:36:41,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 43 [2022-11-16 12:36:42,052 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-16 12:36:42,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 18 [2022-11-16 12:36:42,145 INFO L134 CoverageAnalysis]: Checked inductivity of 10472 backedges. 1347 proven. 2177 refuted. 0 times theorem prover too weak. 6948 trivial. 0 not checked. [2022-11-16 12:36:42,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:37:21,300 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_819 Int) (v_ArrVal_829 Int) (v_ArrVal_816 Int) (v_ArrVal_838 Int) (v_ArrVal_826 Int) (v_ArrVal_848 Int) (v_ArrVal_814 Int) (v_ArrVal_836 Int) (v_ArrVal_824 Int) (v_ArrVal_846 Int) (v_ArrVal_834 Int) (v_ArrVal_822 Int) (v_ArrVal_844 Int) (v_ArrVal_821 Int) (v_ArrVal_832 Int) (v_ArrVal_843 Int) (v_ArrVal_854 Int) (v_ArrVal_831 Int) (v_ArrVal_853 Int) (v_ArrVal_841 Int) (v_ArrVal_851 Int) (v_ArrVal_813 (Array Int Int))) (let ((.cse1 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (or (not (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base| v_ArrVal_813))) (<= (select (select .cse0 |c_ULTIMATE.start_main_~#a~0#1.base|) (+ .cse1 |c_ULTIMATE.start_main_~#a~0#1.offset| 4)) (+ v_ArrVal_814 (select (select .cse0 |c_ULTIMATE.start_main_~#b~0#1.base|) (+ |c_ULTIMATE.start_main_~#b~0#1.offset| .cse1 4)))))) (< 0 (select (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store v_ArrVal_813 (+ |c_ULTIMATE.start_main_~#c~0#1.offset| .cse1 4) v_ArrVal_814) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| .cse1 8) v_ArrVal_816) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| .cse1 12) v_ArrVal_819) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| .cse1 16) v_ArrVal_821) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| .cse1 20) v_ArrVal_822) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| .cse1 24) v_ArrVal_824) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| .cse1 28) v_ArrVal_826) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 32 .cse1) v_ArrVal_829) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| .cse1 36) v_ArrVal_831) (+ 40 |c_ULTIMATE.start_main_~#c~0#1.offset| .cse1) v_ArrVal_832) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 44 .cse1) v_ArrVal_834) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| .cse1 48) v_ArrVal_836) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| .cse1 52) v_ArrVal_838) (+ 56 |c_ULTIMATE.start_main_~#c~0#1.offset| .cse1) v_ArrVal_841) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| .cse1 60) v_ArrVal_843) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 64 .cse1) v_ArrVal_844) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| .cse1 68) v_ArrVal_846) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| .cse1 72) v_ArrVal_848) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 76 .cse1) v_ArrVal_851) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| .cse1 80) v_ArrVal_853) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| .cse1 84) v_ArrVal_854) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4)))))) is different from false [2022-11-16 12:37:21,622 WARN L833 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~x~0#1| Int) (v_ArrVal_813 (Array Int Int)) (v_ArrVal_810 Int)) (let ((.cse0 (store (let ((.cse2 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#a~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#a~0#1.base|) (+ .cse2 |c_ULTIMATE.start_main_~#a~0#1.offset|) |ULTIMATE.start_main_~x~0#1|)))) (store .cse1 |c_ULTIMATE.start_main_~#b~0#1.base| (store (select .cse1 |c_ULTIMATE.start_main_~#b~0#1.base|) (+ |c_ULTIMATE.start_main_~#b~0#1.offset| .cse2) v_ArrVal_810)))) |c_ULTIMATE.start_main_~#c~0#1.base| v_ArrVal_813))) (< (select (select .cse0 |c_ULTIMATE.start_main_~#b~0#1.base|) (+ |c_ULTIMATE.start_main_~#b~0#1.offset| 4)) (select (select .cse0 |c_ULTIMATE.start_main_~#a~0#1.base|) (+ |c_ULTIMATE.start_main_~#a~0#1.offset| 4))))) is different from false [2022-11-16 12:37:21,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130599340] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:37:21,634 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:37:21,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 56] total 80 [2022-11-16 12:37:21,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142171907] [2022-11-16 12:37:21,635 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:37:21,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2022-11-16 12:37:21,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:37:21,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2022-11-16 12:37:21,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2122, Invalid=13602, Unknown=34, NotChecked=498, Total=16256 [2022-11-16 12:37:21,644 INFO L87 Difference]: Start difference. First operand 192 states and 259 transitions. Second operand has 80 states, 80 states have (on average 2.5875) internal successors, (207), 79 states have internal predecessors, (207), 44 states have call successors, (132), 2 states have call predecessors, (132), 4 states have return successors, (132), 45 states have call predecessors, (132), 44 states have call successors, (132) [2022-11-16 12:37:30,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:37:30,235 INFO L93 Difference]: Finished difference Result 395 states and 470 transitions. [2022-11-16 12:37:30,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-11-16 12:37:30,237 INFO L78 Accepts]: Start accepts. Automaton has has 80 states, 80 states have (on average 2.5875) internal successors, (207), 79 states have internal predecessors, (207), 44 states have call successors, (132), 2 states have call predecessors, (132), 4 states have return successors, (132), 45 states have call predecessors, (132), 44 states have call successors, (132) Word has length 449 [2022-11-16 12:37:30,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:37:30,241 INFO L225 Difference]: With dead ends: 395 [2022-11-16 12:37:30,241 INFO L226 Difference]: Without dead ends: 342 [2022-11-16 12:37:30,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 732 GetRequests, 422 SyntacticMatches, 132 SemanticMatches, 178 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 14842 ImplicationChecksByTransitivity, 56.0s TimeCoverageRelationStatistics Valid=3582, Invalid=27892, Unknown=40, NotChecked=706, Total=32220 [2022-11-16 12:37:30,253 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 695 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 2549 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 698 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 5717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 2549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2939 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-16 12:37:30,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [698 Valid, 713 Invalid, 5717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 2549 Invalid, 0 Unknown, 2939 Unchecked, 2.8s Time] [2022-11-16 12:37:30,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2022-11-16 12:37:30,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 204. [2022-11-16 12:37:30,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 132 states have (on average 1.0227272727272727) internal successors, (135), 132 states have internal predecessors, (135), 69 states have call successors, (69), 2 states have call predecessors, (69), 2 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2022-11-16 12:37:30,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 273 transitions. [2022-11-16 12:37:30,304 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 273 transitions. Word has length 449 [2022-11-16 12:37:30,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:37:30,306 INFO L495 AbstractCegarLoop]: Abstraction has 204 states and 273 transitions. [2022-11-16 12:37:30,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 2.5875) internal successors, (207), 79 states have internal predecessors, (207), 44 states have call successors, (132), 2 states have call predecessors, (132), 4 states have return successors, (132), 45 states have call predecessors, (132), 44 states have call successors, (132) [2022-11-16 12:37:30,307 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 273 transitions. [2022-11-16 12:37:30,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2022-11-16 12:37:30,317 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:37:30,318 INFO L195 NwaCegarLoop]: trace histogram [69, 69, 69, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:37:30,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-16 12:37:30,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-16 12:37:30,532 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:37:30,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:37:30,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1046128312, now seen corresponding path program 5 times [2022-11-16 12:37:30,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:37:30,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651076276] [2022-11-16 12:37:30,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:37:30,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:37:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:37:32,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 12:37:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:37:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-16 12:37:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 12:37:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-16 12:37:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-16 12:37:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 12:37:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 12:37:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-16 12:37:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 12:37:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-16 12:37:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-16 12:37:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:37:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-16 12:37:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-16 12:37:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 12:37:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-16 12:37:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-16 12:37:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 12:37:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-16 12:37:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-16 12:37:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-16 12:37:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-16 12:37:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-16 12:37:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-16 12:37:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 12:37:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-16 12:37:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-16 12:37:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-16 12:37:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-16 12:37:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-16 12:37:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-16 12:37:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-16 12:37:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-16 12:37:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-16 12:37:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-16 12:37:32,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-16 12:37:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-16 12:37:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-16 12:37:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-16 12:37:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-11-16 12:37:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-16 12:37:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-11-16 12:37:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-16 12:37:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-16 12:37:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-16 12:37:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-16 12:37:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-16 12:37:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-16 12:37:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-16 12:37:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-11-16 12:37:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-11-16 12:37:32,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-16 12:37:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-11-16 12:37:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-11-16 12:37:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-11-16 12:37:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-11-16 12:37:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-11-16 12:37:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-11-16 12:37:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-16 12:37:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-11-16 12:37:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-11-16 12:37:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-11-16 12:37:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-11-16 12:37:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-11-16 12:37:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-11-16 12:37:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-11-16 12:37:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-11-16 12:37:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,730 INFO L134 CoverageAnalysis]: Checked inductivity of 11454 backedges. 0 proven. 1541 refuted. 0 times theorem prover too weak. 9913 trivial. 0 not checked. [2022-11-16 12:37:32,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:37:32,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651076276] [2022-11-16 12:37:32,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651076276] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:37:32,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136852481] [2022-11-16 12:37:32,731 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-16 12:37:32,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:37:32,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:37:32,733 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:37:32,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f4d80bc-3aad-4e28-b6ba-cfe472425f58/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process