./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array7_pattern.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_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/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_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-patterns/array7_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/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_e9e28986-f901-45e1-befe-ed3c215265a8/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 85b55cdd1f26353e63ecc189ba28ba899672edc569fe3ef3f04470f2b5e667fa --- 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 12:03:04,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:03:04,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:03:04,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:03:04,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:03:04,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:03:04,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:03:04,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:03:04,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:03:04,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:03:04,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:03:04,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:03:04,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:03:04,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:03:04,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:03:04,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:03:04,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:03:04,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:03:04,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:03:04,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:03:04,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:03:04,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:03:04,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:03:04,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:03:04,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:03:04,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:03:04,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:03:04,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:03:04,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:03:04,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:03:04,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:03:04,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:03:04,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:03:04,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:03:04,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:03:04,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:03:04,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:03:04,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:03:04,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:03:04,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:03:04,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:03:04,283 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 12:03:04,316 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:03:04,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:03:04,318 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:03:04,318 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:03:04,319 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:03:04,320 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:03:04,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:03:04,321 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:03:04,321 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:03:04,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:03:04,323 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:03:04,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:03:04,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:03:04,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:03:04,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:03:04,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:03:04,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:03:04,325 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:03:04,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:03:04,325 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:03:04,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:03:04,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:03:04,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:03:04,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:03:04,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:03:04,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:03:04,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:03:04,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:03:04,329 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:03:04,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:03:04,330 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:03:04,330 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:03:04,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:03:04,331 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_e9e28986-f901-45e1-befe-ed3c215265a8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b55cdd1f26353e63ecc189ba28ba899672edc569fe3ef3f04470f2b5e667fa [2022-11-16 12:03:04,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:03:04,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:03:04,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:03:04,719 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:03:04,720 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:03:04,721 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/array-patterns/array7_pattern.c [2022-11-16 12:03:04,816 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/data/fd64f25a9/14ab7ee712a542fd8ab9cce905c8dd0e/FLAG2429a93e1 [2022-11-16 12:03:05,387 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:03:05,388 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/sv-benchmarks/c/array-patterns/array7_pattern.c [2022-11-16 12:03:05,399 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/data/fd64f25a9/14ab7ee712a542fd8ab9cce905c8dd0e/FLAG2429a93e1 [2022-11-16 12:03:05,707 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/data/fd64f25a9/14ab7ee712a542fd8ab9cce905c8dd0e [2022-11-16 12:03:05,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:03:05,712 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:03:05,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:03:05,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:03:05,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:03:05,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:03:05" (1/1) ... [2022-11-16 12:03:05,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eb69408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:05, skipping insertion in model container [2022-11-16 12:03:05,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:03:05" (1/1) ... [2022-11-16 12:03:05,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:03:05,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:03:05,999 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_e9e28986-f901-45e1-befe-ed3c215265a8/sv-benchmarks/c/array-patterns/array7_pattern.c[1375,1388] [2022-11-16 12:03:06,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:03:06,033 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:03:06,049 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_e9e28986-f901-45e1-befe-ed3c215265a8/sv-benchmarks/c/array-patterns/array7_pattern.c[1375,1388] [2022-11-16 12:03:06,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:03:06,078 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:03:06,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:06 WrapperNode [2022-11-16 12:03:06,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:03:06,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:03:06,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:03:06,080 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:03:06,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:06" (1/1) ... [2022-11-16 12:03:06,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:06" (1/1) ... [2022-11-16 12:03:06,123 INFO L138 Inliner]: procedures = 16, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2022-11-16 12:03:06,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:03:06,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:03:06,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:03:06,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:03:06,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:06" (1/1) ... [2022-11-16 12:03:06,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:06" (1/1) ... [2022-11-16 12:03:06,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:06" (1/1) ... [2022-11-16 12:03:06,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:06" (1/1) ... [2022-11-16 12:03:06,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:06" (1/1) ... [2022-11-16 12:03:06,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:06" (1/1) ... [2022-11-16 12:03:06,154 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:06" (1/1) ... [2022-11-16 12:03:06,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:06" (1/1) ... [2022-11-16 12:03:06,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:03:06,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:03:06,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:03:06,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:03:06,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:06" (1/1) ... [2022-11-16 12:03:06,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:03:06,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:03:06,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:03:06,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:03:06,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:03:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 12:03:06,270 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 12:03:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:03:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:03:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:03:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:03:06,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:03:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:03:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:03:06,362 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:03:06,365 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:03:06,626 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:03:06,635 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:03:06,635 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 12:03:06,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:03:06 BoogieIcfgContainer [2022-11-16 12:03:06,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:03:06,640 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:03:06,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:03:06,645 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:03:06,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:03:05" (1/3) ... [2022-11-16 12:03:06,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@610c386b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:03:06, skipping insertion in model container [2022-11-16 12:03:06,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:06" (2/3) ... [2022-11-16 12:03:06,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@610c386b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:03:06, skipping insertion in model container [2022-11-16 12:03:06,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:03:06" (3/3) ... [2022-11-16 12:03:06,649 INFO L112 eAbstractionObserver]: Analyzing ICFG array7_pattern.c [2022-11-16 12:03:06,673 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:03:06,673 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:03:06,735 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:03:06,745 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;@4462a59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:03:06,745 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:03:06,750 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 20 states have (on average 1.5) internal successors, (30), 21 states have internal predecessors, (30), 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 12:03:06,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-16 12:03:06,761 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:03:06,762 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:03:06,764 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:03:06,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:03:06,772 INFO L85 PathProgramCache]: Analyzing trace with hash -440982883, now seen corresponding path program 1 times [2022-11-16 12:03:06,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:03:06,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61697149] [2022-11-16 12:03:06,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:06,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:03:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:06,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:03:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:06,984 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 12:03:06,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:03:06,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61697149] [2022-11-16 12:03:06,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61697149] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:03:06,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:03:06,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:03:06,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490170925] [2022-11-16 12:03:06,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:03:07,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 12:03:07,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:03:07,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 12:03:07,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:03:07,061 INFO L87 Difference]: Start difference. First operand has 26 states, 20 states have (on average 1.5) internal successors, (30), 21 states have internal predecessors, (30), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:03:07,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:03:07,097 INFO L93 Difference]: Finished difference Result 49 states and 71 transitions. [2022-11-16 12:03:07,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 12:03:07,102 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-16 12:03:07,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:03:07,112 INFO L225 Difference]: With dead ends: 49 [2022-11-16 12:03:07,112 INFO L226 Difference]: Without dead ends: 22 [2022-11-16 12:03:07,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 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 12:03:07,125 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 12:03:07,126 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 12:03:07,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-16 12:03:07,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-16 12:03:07,186 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 12:03:07,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2022-11-16 12:03:07,191 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 15 [2022-11-16 12:03:07,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:03:07,192 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2022-11-16 12:03:07,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:03:07,193 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-11-16 12:03:07,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-16 12:03:07,197 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:03:07,198 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] [2022-11-16 12:03:07,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:03:07,198 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:03:07,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:03:07,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1396045698, now seen corresponding path program 1 times [2022-11-16 12:03:07,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:03:07,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173888616] [2022-11-16 12:03:07,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:07,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:03:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:07,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:03:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:07,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:03:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:07,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-16 12:03:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:07,740 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 12:03:07,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:03:07,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173888616] [2022-11-16 12:03:07,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173888616] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:03:07,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:03:07,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:03:07,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913033637] [2022-11-16 12:03:07,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:03:07,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:03:07,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:03:07,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:03:07,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:03:07,762 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 12:03:07,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:03:07,835 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2022-11-16 12:03:07,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:03:07,836 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 27 [2022-11-16 12:03:07,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:03:07,837 INFO L225 Difference]: With dead ends: 27 [2022-11-16 12:03:07,837 INFO L226 Difference]: Without dead ends: 23 [2022-11-16 12:03:07,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:03:07,840 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 4 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:03:07,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 59 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:03:07,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-16 12:03:07,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-16 12:03:07,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 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 12:03:07,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2022-11-16 12:03:07,860 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 27 [2022-11-16 12:03:07,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:03:07,862 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2022-11-16 12:03:07,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 12:03:07,863 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-11-16 12:03:07,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-16 12:03:07,864 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:03:07,864 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 12:03:07,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:03:07,865 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:03:07,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:03:07,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1623352868, now seen corresponding path program 1 times [2022-11-16 12:03:07,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:03:07,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482113500] [2022-11-16 12:03:07,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:07,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:03:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:08,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:03:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:08,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:03:08,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:08,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-16 12:03:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:08,270 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 12:03:08,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:03:08,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482113500] [2022-11-16 12:03:08,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482113500] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:03:08,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:03:08,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:03:08,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683256880] [2022-11-16 12:03:08,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:03:08,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:03:08,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:03:08,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:03:08,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:03:08,274 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 12:03:08,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:03:08,345 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2022-11-16 12:03:08,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:03:08,346 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2022-11-16 12:03:08,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:03:08,347 INFO L225 Difference]: With dead ends: 43 [2022-11-16 12:03:08,348 INFO L226 Difference]: Without dead ends: 26 [2022-11-16 12:03:08,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:03:08,350 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 16 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:03:08,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 61 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:03:08,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-16 12:03:08,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2022-11-16 12:03:08,358 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 12:03:08,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2022-11-16 12:03:08,359 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 29 [2022-11-16 12:03:08,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:03:08,360 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2022-11-16 12:03:08,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 12:03:08,361 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-11-16 12:03:08,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-16 12:03:08,362 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:03:08,362 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:03:08,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:03:08,363 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:03:08,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:03:08,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1083978846, now seen corresponding path program 1 times [2022-11-16 12:03:08,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:03:08,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666631888] [2022-11-16 12:03:08,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:08,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:03:08,392 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 12:03:08,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1612492653] [2022-11-16 12:03:08,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:08,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:03:08,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:03:08,398 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:03:08,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 12:03:08,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:08,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-16 12:03:08,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:03:08,892 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-16 12:03:08,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:03:09,300 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 12:03:09,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:03:09,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666631888] [2022-11-16 12:03:09,301 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 12:03:09,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612492653] [2022-11-16 12:03:09,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612492653] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:03:09,301 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:03:09,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 15 [2022-11-16 12:03:09,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473730950] [2022-11-16 12:03:09,302 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:03:09,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-16 12:03:09,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:03:09,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-16 12:03:09,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2022-11-16 12:03:09,304 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand has 15 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 13 states have internal predecessors, (33), 5 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-16 12:03:09,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:03:09,746 INFO L93 Difference]: Finished difference Result 73 states and 83 transitions. [2022-11-16 12:03:09,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-16 12:03:09,747 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 13 states have internal predecessors, (33), 5 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Word has length 31 [2022-11-16 12:03:09,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:03:09,748 INFO L225 Difference]: With dead ends: 73 [2022-11-16 12:03:09,748 INFO L226 Difference]: Without dead ends: 42 [2022-11-16 12:03:09,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2022-11-16 12:03:09,751 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 43 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:03:09,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 110 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 12:03:09,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-16 12:03:09,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 28. [2022-11-16 12:03:09,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 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 12:03:09,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2022-11-16 12:03:09,758 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 31 [2022-11-16 12:03:09,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:03:09,758 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2022-11-16 12:03:09,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 13 states have internal predecessors, (33), 5 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-16 12:03:09,762 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2022-11-16 12:03:09,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-16 12:03:09,763 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:03:09,764 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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 12:03:09,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:03:09,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:03:09,972 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:03:09,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:03:09,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1214758882, now seen corresponding path program 2 times [2022-11-16 12:03:09,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:03:09,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579772882] [2022-11-16 12:03:09,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:09,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:03:09,997 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 12:03:09,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1169358988] [2022-11-16 12:03:09,998 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 12:03:09,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:03:09,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:03:10,002 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:03:10,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 12:03:10,137 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 12:03:10,138 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:03:10,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 12:03:10,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:03:10,262 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 12:03:10,263 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:03:10,374 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 12:03:10,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:03:10,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579772882] [2022-11-16 12:03:10,380 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 12:03:10,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169358988] [2022-11-16 12:03:10,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169358988] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:03:10,381 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:03:10,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2022-11-16 12:03:10,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557028316] [2022-11-16 12:03:10,383 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:03:10,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 12:03:10,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:03:10,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 12:03:10,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-11-16 12:03:10,388 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-16 12:03:10,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:03:10,639 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2022-11-16 12:03:10,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 12:03:10,640 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 35 [2022-11-16 12:03:10,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:03:10,642 INFO L225 Difference]: With dead ends: 40 [2022-11-16 12:03:10,647 INFO L226 Difference]: Without dead ends: 36 [2022-11-16 12:03:10,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 56 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2022-11-16 12:03:10,649 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 47 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:03:10,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 68 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:03:10,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-16 12:03:10,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-11-16 12:03:10,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 30 states have (on average 1.1) internal successors, (33), 30 states have internal predecessors, (33), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-16 12:03:10,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2022-11-16 12:03:10,665 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 35 [2022-11-16 12:03:10,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:03:10,667 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2022-11-16 12:03:10,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-16 12:03:10,668 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2022-11-16 12:03:10,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-16 12:03:10,670 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:03:10,670 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:03:10,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:03:10,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:03:10,877 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:03:10,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:03:10,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1618850078, now seen corresponding path program 3 times [2022-11-16 12:03:10,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:03:10,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976317788] [2022-11-16 12:03:10,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:10,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:03:10,901 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 12:03:10,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [442445227] [2022-11-16 12:03:10,906 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 12:03:10,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:03:10,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:03:10,908 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:03:10,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 12:03:11,262 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-11-16 12:03:11,263 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:03:11,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 86 conjunts are in the unsatisfiable core [2022-11-16 12:03:11,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:03:11,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 12:03:11,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:11,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 36 [2022-11-16 12:03:11,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2022-11-16 12:03:11,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2022-11-16 12:03:11,485 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 14 treesize of output 13 [2022-11-16 12:03:11,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:11,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 37 [2022-11-16 12:03:11,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:11,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 20 [2022-11-16 12:03:11,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:11,730 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 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-16 12:03:11,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:11,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-11-16 12:03:11,921 INFO L321 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-11-16 12:03:11,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2022-11-16 12:03:11,950 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-16 12:03:11,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 48 [2022-11-16 12:03:14,204 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-16 12:03:14,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 1091 treesize of output 1016 [2022-11-16 12:03:14,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:14,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:14,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 322 treesize of output 230 [2022-11-16 12:03:14,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:14,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:14,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:14,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:14,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:14,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:14,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:14,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:14,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:14,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:14,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:14,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:14,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:14,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:14,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:14,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:14,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:14,777 INFO L217 Elim1Store]: Index analysis took 367 ms [2022-11-16 12:03:14,812 INFO L321 Elim1Store]: treesize reduction 34, result has 2.9 percent of original size [2022-11-16 12:03:14,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 26 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 2 case distinctions, treesize of input 340 treesize of output 428 [2022-11-16 12:03:15,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:15,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:15,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:15,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:15,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:15,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:15,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:15,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:15,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:15,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:15,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:15,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:15,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:15,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:15,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:15,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:15,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:15,410 INFO L217 Elim1Store]: Index analysis took 478 ms [2022-11-16 12:03:15,458 INFO L321 Elim1Store]: treesize reduction 34, result has 2.9 percent of original size [2022-11-16 12:03:15,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 26 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 2 case distinctions, treesize of input 582 treesize of output 485 [2022-11-16 12:03:15,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 135 [2022-11-16 12:03:17,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:17,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:17,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:17,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:17,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:17,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:17,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:17,242 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-16 12:03:17,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 142 treesize of output 85 [2022-11-16 12:03:17,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-16 12:03:26,554 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-16 12:03:26,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 230 treesize of output 196 [2022-11-16 12:03:26,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:26,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:26,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:26,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:26,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:26,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:26,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:03:26,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:26,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:26,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:26,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:26,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:26,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:26,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:26,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:27,031 INFO L321 Elim1Store]: treesize reduction 14, result has 89.8 percent of original size [2022-11-16 12:03:27,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 13 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 85 treesize of output 161 [2022-11-16 12:03:27,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:27,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:27,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:03:27,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:27,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:27,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:27,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:27,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:27,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:27,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:27,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:27,169 INFO L217 Elim1Store]: Index analysis took 105 ms [2022-11-16 12:03:27,531 INFO L321 Elim1Store]: treesize reduction 12, result has 91.0 percent of original size [2022-11-16 12:03:27,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 13 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 157 treesize of output 199 [2022-11-16 12:03:32,457 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 12:03:32,457 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:03:46,144 WARN L233 SmtUtils]: Spent 9.68s on a formula simplification that was a NOOP. DAG size: 208 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 12:03:55,133 WARN L855 $PredicateComparison]: unable to prove that (or (let ((.cse1 (* 4294967295 |c_ULTIMATE.start_main_~pivot~0#1|))) (let ((.cse44 (+ .cse1 4294967296)) (.cse2 (+ 2147483647 |c_ULTIMATE.start_main_~pivot~0#1|)) (.cse5 (* |c_ULTIMATE.start_main_~pivot~0#1| 4294967297)) (.cse6 (+ .cse1 c_~ARR_SIZE~0)) (.cse18 (+ 2147483647 .cse1)) (.cse10 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 4)) (.cse11 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 8)) (.cse9 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 8)) (.cse12 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 4)) (.cse13 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|)) (.cse30 (+ |c_ULTIMATE.start_main_~pivot~0#1| 4294967296))) (and (forall ((|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_218 (Array Int Int)) (|aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112| Int) (|aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_212 (Array Int Int)) (|aux_div_ULTIMATE.start_main_~index~0#1_86| Int)) (let ((.cse19 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112|)) (.cse20 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296))) (let ((.cse4 (+ .cse19 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse20 (* |aux_div_ULTIMATE.start_main_~index~0#1_86| 4294967296))) (.cse3 (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse20)) (.cse0 (+ .cse19 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse20))) (or (< .cse0 .cse1) (< .cse2 .cse3) (< 2147483647 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109|) (< .cse4 .cse5) (<= .cse6 .cse4) (= (let ((.cse14 (* (mod |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296) 4)) (.cse16 (* 4 (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| |c_ULTIMATE.start_main_~pivot~0#1|) 4294967296))) (.cse15 (* (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse1) 4294967296) 4))) (let ((.cse8 (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_218) |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ .cse14 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (let ((.cse17 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#array2~0#1.base|))) (+ (select .cse17 (+ .cse16 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (select .cse17 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse15))))))) (let ((.cse7 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse13 (+ .cse14 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (+ (select .cse13 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse15)) (select .cse13 (+ .cse16 |c_ULTIMATE.start_main_~#array1~0#1.offset|))))) |c_ULTIMATE.start_main_~#array2~0#1.base| .cse8) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse7 |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse8 .cse9) (select .cse7 .cse10) (select .cse7 .cse11) (select .cse8 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse8 .cse12))))) 0) (< .cse3 |c_ULTIMATE.start_main_~pivot~0#1|) (< .cse18 .cse0) (< |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 0))))) (forall ((|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_218 (Array Int Int)) (|aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112| Int) (|aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_212 (Array Int Int)) (|aux_div_ULTIMATE.start_main_~index~0#1_86| Int)) (let ((.cse32 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112|)) (.cse31 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296))) (let ((.cse23 (+ .cse32 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse31 (* |aux_div_ULTIMATE.start_main_~index~0#1_86| 4294967296))) (.cse22 (+ .cse32 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse31)) (.cse21 (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse31))) (or (<= .cse21 .cse2) (< .cse22 .cse1) (< 2147483647 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109|) (< .cse23 .cse5) (<= .cse6 .cse23) (= (let ((.cse26 (* (mod |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296) 4)) (.cse28 (* 4 (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| |c_ULTIMATE.start_main_~pivot~0#1|) 4294967296))) (.cse27 (* (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse1) 4294967296) 4))) (let ((.cse25 (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_218) |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ .cse26 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (let ((.cse29 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#array2~0#1.base|))) (+ (select .cse29 (+ .cse28 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (select .cse29 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse27))))))) (let ((.cse24 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse13 (+ .cse26 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (+ (select .cse13 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse27)) (select .cse13 (+ .cse28 |c_ULTIMATE.start_main_~#array1~0#1.offset|))))) |c_ULTIMATE.start_main_~#array2~0#1.base| .cse25) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse24 .cse11) |c_ULTIMATE.start_main_~sum~0#1| (select .cse25 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse24 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse24 .cse10) (select .cse25 .cse9) (select .cse25 .cse12))))) 0) (< .cse18 .cse22) (< |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 0) (<= .cse30 .cse21))))) (forall ((|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_218 (Array Int Int)) (|aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112| Int) (|aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_212 (Array Int Int)) (|aux_div_ULTIMATE.start_main_~index~0#1_86| Int)) (let ((.cse42 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112|)) (.cse43 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296))) (let ((.cse35 (+ .cse42 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse43 (* |aux_div_ULTIMATE.start_main_~index~0#1_86| 4294967296))) (.cse34 (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse43)) (.cse33 (+ .cse42 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse43))) (or (< .cse33 .cse1) (< .cse2 .cse34) (< .cse35 .cse5) (<= .cse6 .cse35) (<= |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 2147483647) (= (let ((.cse38 (* (mod |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296) 4)) (.cse40 (* 4 (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| |c_ULTIMATE.start_main_~pivot~0#1|) 4294967296))) (.cse39 (* (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse1) 4294967296) 4))) (let ((.cse37 (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_218) |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ .cse38 (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset|) (let ((.cse41 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#array2~0#1.base|))) (+ (select .cse41 (+ .cse40 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (select .cse41 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse39))))))) (let ((.cse36 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse13 (+ .cse38 (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset|) (+ (select .cse13 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse39)) (select .cse13 (+ .cse40 |c_ULTIMATE.start_main_~#array1~0#1.offset|))))) |c_ULTIMATE.start_main_~#array2~0#1.base| .cse37) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ |c_ULTIMATE.start_main_~sum~0#1| (select .cse36 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse36 .cse11) (select .cse37 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse37 .cse12) (select .cse37 .cse9) (select .cse36 .cse10))))) 0) (<= 4294967296 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109|) (< .cse34 |c_ULTIMATE.start_main_~pivot~0#1|) (< .cse18 .cse33))))) (forall ((|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_218 (Array Int Int)) (|aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112| Int) (|aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_212 (Array Int Int)) (|aux_div_ULTIMATE.start_main_~index~0#1_86| Int)) (let ((.cse55 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112|)) (.cse54 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296))) (let ((.cse53 (+ .cse55 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse54 (* |aux_div_ULTIMATE.start_main_~index~0#1_86| 4294967296))) (.cse45 (+ .cse55 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse54)) (.cse52 (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse54))) (or (<= .cse44 .cse45) (= (let ((.cse48 (* (mod |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296) 4)) (.cse50 (* 4 (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| |c_ULTIMATE.start_main_~pivot~0#1|) 4294967296))) (.cse49 (* (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse1) 4294967296) 4))) (let ((.cse47 (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_218) |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ .cse48 (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset|) (let ((.cse51 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#array2~0#1.base|))) (+ (select .cse51 (+ .cse50 (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (select .cse51 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse49))))))) (let ((.cse46 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse13 (+ .cse48 (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset|) (+ (select .cse13 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse49)) (select .cse13 (+ .cse50 (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset|))))) |c_ULTIMATE.start_main_~#array2~0#1.base| .cse47) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse46 .cse10) (select .cse46 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse46 .cse11) (select .cse47 .cse9) |c_ULTIMATE.start_main_~sum~0#1| (select .cse47 .cse12) (select .cse47 |c_ULTIMATE.start_main_~#array2~0#1.offset|))))) 0) (< .cse2 .cse52) (< .cse53 .cse5) (<= .cse6 .cse53) (<= |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 2147483647) (<= .cse45 .cse18) (<= 4294967296 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109|) (< .cse52 |c_ULTIMATE.start_main_~pivot~0#1|))))) (forall ((|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_218 (Array Int Int)) (|aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112| Int) (|aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_212 (Array Int Int)) (|aux_div_ULTIMATE.start_main_~index~0#1_86| Int)) (let ((.cse66 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112|)) (.cse65 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296))) (let ((.cse58 (+ .cse66 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse65 (* |aux_div_ULTIMATE.start_main_~index~0#1_86| 4294967296))) (.cse57 (+ .cse66 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse65)) (.cse56 (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse65))) (or (<= .cse56 .cse2) (< .cse57 .cse1) (< .cse58 .cse5) (<= .cse6 .cse58) (<= |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 2147483647) (<= 4294967296 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109|) (< .cse18 .cse57) (= (let ((.cse61 (* (mod |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296) 4)) (.cse63 (* 4 (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| |c_ULTIMATE.start_main_~pivot~0#1|) 4294967296))) (.cse62 (* (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse1) 4294967296) 4))) (let ((.cse60 (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_218) |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ .cse61 (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset|) (let ((.cse64 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#array2~0#1.base|))) (+ (select .cse64 (+ .cse63 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (select .cse64 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse62))))))) (let ((.cse59 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse13 (+ .cse61 (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset|) (+ (select .cse13 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse62)) (select .cse13 (+ .cse63 |c_ULTIMATE.start_main_~#array1~0#1.offset|))))) |c_ULTIMATE.start_main_~#array2~0#1.base| .cse60) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse59 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse60 |c_ULTIMATE.start_main_~#array2~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse60 .cse9) (select .cse59 .cse10) (select .cse59 .cse11) (select .cse60 .cse12))))) 0) (<= .cse30 .cse56))))) (forall ((|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_218 (Array Int Int)) (|aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112| Int) (|aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_212 (Array Int Int)) (|aux_div_ULTIMATE.start_main_~index~0#1_86| Int)) (let ((.cse77 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112|)) (.cse76 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296))) (let ((.cse75 (+ .cse77 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse76 (* |aux_div_ULTIMATE.start_main_~index~0#1_86| 4294967296))) (.cse67 (+ .cse77 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse76)) (.cse68 (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse76))) (or (<= .cse44 .cse67) (< .cse2 .cse68) (< 2147483647 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109|) (= (let ((.cse71 (* (mod |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296) 4)) (.cse73 (* 4 (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| |c_ULTIMATE.start_main_~pivot~0#1|) 4294967296))) (.cse72 (* (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse1) 4294967296) 4))) (let ((.cse70 (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_218) |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ .cse71 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (let ((.cse74 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#array2~0#1.base|))) (+ (select .cse74 (+ .cse73 (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (select .cse74 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse72))))))) (let ((.cse69 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse13 (+ .cse71 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (+ (select .cse13 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse72)) (select .cse13 (+ .cse73 (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset|))))) |c_ULTIMATE.start_main_~#array2~0#1.base| .cse70) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse69 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse69 .cse10) |c_ULTIMATE.start_main_~sum~0#1| (select .cse70 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse69 .cse11) (select .cse70 .cse9) (select .cse70 .cse12))))) 0) (< .cse75 .cse5) (<= .cse6 .cse75) (<= .cse67 .cse18) (< .cse68 |c_ULTIMATE.start_main_~pivot~0#1|) (< |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 0))))) (forall ((|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_218 (Array Int Int)) (|aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112| Int) (|aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_212 (Array Int Int)) (|aux_div_ULTIMATE.start_main_~index~0#1_86| Int)) (let ((.cse88 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112|)) (.cse87 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296))) (let ((.cse80 (+ .cse88 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse87 (* |aux_div_ULTIMATE.start_main_~index~0#1_86| 4294967296))) (.cse78 (+ .cse88 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse87)) (.cse79 (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse87))) (or (<= .cse44 .cse78) (<= .cse79 .cse2) (< .cse80 .cse5) (<= .cse6 .cse80) (<= |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 2147483647) (<= .cse78 .cse18) (<= 4294967296 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109|) (= (let ((.cse83 (* (mod |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296) 4)) (.cse84 (* 4 (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| |c_ULTIMATE.start_main_~pivot~0#1|) 4294967296))) (.cse85 (* (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse1) 4294967296) 4))) (let ((.cse81 (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_218) |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ .cse83 (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset|) (let ((.cse86 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#array2~0#1.base|))) (+ (select .cse86 (+ .cse84 (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (select .cse86 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse85))))))) (let ((.cse82 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse13 (+ .cse83 (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset|) (+ (select .cse13 (+ .cse84 (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset|)) (select .cse13 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse85))))) |c_ULTIMATE.start_main_~#array2~0#1.base| .cse81) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse81 .cse12) (select .cse82 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse81 |c_ULTIMATE.start_main_~#array2~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse82 .cse10) (select .cse81 .cse9) (select .cse82 .cse11))))) 0) (<= .cse30 .cse79))))) (forall ((|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_218 (Array Int Int)) (|aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112| Int) (|aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (v_ArrVal_212 (Array Int Int)) (|aux_div_ULTIMATE.start_main_~index~0#1_86| Int)) (let ((.cse99 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112|)) (.cse98 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296))) (let ((.cse91 (+ .cse99 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse98 (* |aux_div_ULTIMATE.start_main_~index~0#1_86| 4294967296))) (.cse89 (+ .cse99 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse98)) (.cse90 (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse98))) (or (<= .cse44 .cse89) (<= .cse90 .cse2) (< 2147483647 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109|) (< .cse91 .cse5) (<= .cse6 .cse91) (<= .cse89 .cse18) (< |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 0) (= (let ((.cse94 (* (mod |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296) 4)) (.cse95 (* 4 (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| |c_ULTIMATE.start_main_~pivot~0#1|) 4294967296))) (.cse96 (* (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse1) 4294967296) 4))) (let ((.cse93 (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_218) |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ .cse94 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (let ((.cse97 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#array2~0#1.base|))) (+ (select .cse97 (+ .cse95 (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (select .cse97 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse96))))))) (let ((.cse92 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse13 (+ .cse94 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (+ (select .cse13 (+ .cse95 (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset|)) (select .cse13 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse96))))) |c_ULTIMATE.start_main_~#array2~0#1.base| .cse93) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse92 .cse10) (select .cse92 |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse92 .cse11) (select .cse93 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse93 .cse9) (select .cse93 .cse12))))) 0) (<= .cse30 .cse90)))))))) (<= c_~ARR_SIZE~0 2) (< 3 c_~ARR_SIZE~0)) is different from true [2022-11-16 12:03:55,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:03:55,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976317788] [2022-11-16 12:03:55,144 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 12:03:55,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442445227] [2022-11-16 12:03:55,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442445227] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:03:55,144 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:03:55,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2022-11-16 12:03:55,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039703203] [2022-11-16 12:03:55,145 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-16 12:03:55,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-16 12:03:55,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:03:55,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-16 12:03:55,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=989, Unknown=5, NotChecked=66, Total=1260 [2022-11-16 12:03:55,148 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand has 25 states, 24 states have (on average 1.25) internal successors, (30), 22 states have internal predecessors, (30), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-16 12:03:56,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:03:56,089 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2022-11-16 12:03:56,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 12:03:56,090 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 1.25) internal successors, (30), 22 states have internal predecessors, (30), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 39 [2022-11-16 12:03:56,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:03:56,093 INFO L225 Difference]: With dead ends: 44 [2022-11-16 12:03:56,093 INFO L226 Difference]: Without dead ends: 40 [2022-11-16 12:03:56,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 23.5s TimeCoverageRelationStatistics Valid=257, Invalid=1382, Unknown=5, NotChecked=78, Total=1722 [2022-11-16 12:03:56,095 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 17 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 80 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:03:56,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 150 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 77 Invalid, 0 Unknown, 80 Unchecked, 0.2s Time] [2022-11-16 12:03:56,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-16 12:03:56,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 38. [2022-11-16 12:03:56,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-16 12:03:56,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2022-11-16 12:03:56,123 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 39 [2022-11-16 12:03:56,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:03:56,124 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2022-11-16 12:03:56,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 1.25) internal successors, (30), 22 states have internal predecessors, (30), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-16 12:03:56,125 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2022-11-16 12:03:56,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-16 12:03:56,130 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:03:56,131 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:03:56,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:03:56,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:03:56,339 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:03:56,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:03:56,339 INFO L85 PathProgramCache]: Analyzing trace with hash -883530364, now seen corresponding path program 4 times [2022-11-16 12:03:56,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:03:56,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422099003] [2022-11-16 12:03:56,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:56,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:03:56,357 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 12:03:56,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [555381296] [2022-11-16 12:03:56,358 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-16 12:03:56,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:03:56,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:03:56,360 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:03:56,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 12:03:56,525 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-16 12:03:56,525 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:03:56,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 12:03:56,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:03:56,748 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 12:03:56,748 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:03:56,925 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 12:03:56,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:03:56,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422099003] [2022-11-16 12:03:56,925 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 12:03:56,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555381296] [2022-11-16 12:03:56,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555381296] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:03:56,926 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:03:56,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2022-11-16 12:03:56,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622416719] [2022-11-16 12:03:56,926 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:03:56,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-16 12:03:56,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:03:56,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-16 12:03:56,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2022-11-16 12:03:56,929 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 12:03:57,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:03:57,212 INFO L93 Difference]: Finished difference Result 65 states and 71 transitions. [2022-11-16 12:03:57,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 12:03:57,213 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 41 [2022-11-16 12:03:57,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:03:57,215 INFO L225 Difference]: With dead ends: 65 [2022-11-16 12:03:57,215 INFO L226 Difference]: Without dead ends: 42 [2022-11-16 12:03:57,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 62 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2022-11-16 12:03:57,217 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 63 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:03:57,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 96 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 12:03:57,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-16 12:03:57,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2022-11-16 12:03:57,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 34 states have (on average 1.088235294117647) internal successors, (37), 34 states have internal predecessors, (37), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-16 12:03:57,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2022-11-16 12:03:57,233 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 41 [2022-11-16 12:03:57,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:03:57,233 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2022-11-16 12:03:57,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 12:03:57,234 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2022-11-16 12:03:57,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-16 12:03:57,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:03:57,235 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:03:57,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-16 12:03:57,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-16 12:03:57,440 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:03:57,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:03:57,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1451589122, now seen corresponding path program 5 times [2022-11-16 12:03:57,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:03:57,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771021587] [2022-11-16 12:03:57,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:57,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:03:57,458 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 12:03:57,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [834192051] [2022-11-16 12:03:57,459 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-16 12:03:57,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:03:57,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:03:57,461 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:03:57,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-16 12:03:57,819 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2022-11-16 12:03:57,819 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:03:57,825 WARN L261 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 106 conjunts are in the unsatisfiable core [2022-11-16 12:03:57,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:03:57,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 12:03:57,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:57,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 36 [2022-11-16 12:03:57,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2022-11-16 12:03:57,921 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 15 treesize of output 14 [2022-11-16 12:03:57,935 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 14 treesize of output 13 [2022-11-16 12:03:58,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:58,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 46 [2022-11-16 12:03:58,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:58,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2022-11-16 12:03:58,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:58,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:58,109 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 0 case distinctions, treesize of input 46 treesize of output 51 [2022-11-16 12:03:58,346 INFO L321 Elim1Store]: treesize reduction 33, result has 13.2 percent of original size [2022-11-16 12:03:58,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 122 treesize of output 102 [2022-11-16 12:03:58,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 45 [2022-11-16 12:03:58,388 INFO L321 Elim1Store]: treesize reduction 51, result has 8.9 percent of original size [2022-11-16 12:03:58,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 81 [2022-11-16 12:03:58,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:58,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:58,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 38 treesize of output 47 [2022-11-16 12:03:58,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:58,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:58,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 34 treesize of output 43 [2022-11-16 12:03:58,489 INFO L321 Elim1Store]: treesize reduction 25, result has 16.7 percent of original size [2022-11-16 12:03:58,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 51 [2022-11-16 12:03:58,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2022-11-16 12:03:58,748 INFO L321 Elim1Store]: treesize reduction 41, result has 10.9 percent of original size [2022-11-16 12:03:58,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 199 treesize of output 145 [2022-11-16 12:03:58,803 INFO L321 Elim1Store]: treesize reduction 68, result has 6.8 percent of original size [2022-11-16 12:03:58,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 161 treesize of output 150 [2022-11-16 12:03:58,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:58,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:58,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:58,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:58,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:58,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 101 [2022-11-16 12:03:58,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:58,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:58,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:58,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:58,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:03:58,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 91 [2022-11-16 12:03:58,882 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 20 treesize of output 19 [2022-11-16 12:03:58,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-16 12:04:02,280 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-16 12:04:02,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 1173 treesize of output 1074 [2022-11-16 12:04:02,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 326 treesize of output 234 [2022-11-16 12:04:02,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,561 INFO L217 Elim1Store]: Index analysis took 163 ms [2022-11-16 12:04:02,631 INFO L321 Elim1Store]: treesize reduction 122, result has 0.8 percent of original size [2022-11-16 12:04:02,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 8 select indices, 8 select index equivalence classes, 39 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 6 case distinctions, treesize of input 422 treesize of output 481 [2022-11-16 12:04:02,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:02,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:03,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:03,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:03,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:03,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:03,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:03,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:03,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:03,121 INFO L217 Elim1Store]: Index analysis took 393 ms [2022-11-16 12:04:03,204 INFO L321 Elim1Store]: treesize reduction 122, result has 0.8 percent of original size [2022-11-16 12:04:03,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 8 select indices, 8 select index equivalence classes, 39 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 6 case distinctions, treesize of input 614 treesize of output 521 [2022-11-16 12:04:03,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 133 [2022-11-16 12:04:04,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 13 [2022-11-16 12:04:18,233 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-16 12:04:18,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 524 treesize of output 452 [2022-11-16 12:04:18,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:18,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:18,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:18,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:18,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:18,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:18,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:18,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:18,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:18,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:18,518 INFO L217 Elim1Store]: Index analysis took 205 ms [2022-11-16 12:04:18,816 INFO L321 Elim1Store]: treesize reduction 23, result has 72.9 percent of original size [2022-11-16 12:04:18,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 357 treesize of output 384 [2022-11-16 12:04:18,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:18,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:18,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:18,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:18,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:18,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:18,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:18,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:18,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:18,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:19,408 INFO L321 Elim1Store]: treesize reduction 25, result has 70.6 percent of original size [2022-11-16 12:04:19,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 441 treesize of output 430 [2022-11-16 12:04:20,382 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 12:04:20,382 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:04:35,695 WARN L233 SmtUtils]: Spent 7.80s on a formula simplification that was a NOOP. DAG size: 221 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 12:04:36,145 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse58 (+ |c_ULTIMATE.start_main_~pivot~0#1| |c_ULTIMATE.start_main_~index~0#1|))) (or (let ((.cse56 (mod (+ (* 4294967295 |c_ULTIMATE.start_main_~pivot~0#1|) |c_ULTIMATE.start_main_~index~0#1|) 4294967296)) (.cse57 (mod |c_ULTIMATE.start_main_~index~0#1| 4294967296))) (let ((.cse53 (mod .cse58 4294967296)) (.cse1 (<= .cse57 2147483647)) (.cse55 (* .cse57 4)) (.cse10 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|)) (.cse54 (* .cse56 4)) (.cse34 (<= .cse56 2147483647))) (let ((.cse0 (not .cse34)) (.cse16 (+ .cse54 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (.cse24 (select .cse10 (+ .cse54 |c_ULTIMATE.start_main_~#array1~0#1.offset|))) (.cse11 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse55)) (.cse13 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse55)) (.cse17 (not .cse1)) (.cse5 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 12)) (.cse8 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 4)) (.cse9 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 4)) (.cse3 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 8)) (.cse7 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 8)) (.cse6 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 12)) (.cse20 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse55)) (.cse21 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse55)) (.cse29 (+ (- 17179869184) .cse54 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (.cse33 (select .cse10 (+ (- 17179869184) .cse54 |c_ULTIMATE.start_main_~#array1~0#1.offset|))) (.cse35 (* .cse53 4)) (.cse36 (<= .cse53 2147483647))) (and (or (let ((.cse15 (+ .cse35 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (.cse23 (select .cse10 (+ .cse35 |c_ULTIMATE.start_main_~#array1~0#1.offset|)))) (and (or .cse0 (let ((.cse12 (+ .cse23 .cse24))) (and (or .cse1 (forall ((v_ArrVal_384 (Array Int Int)) (v_ArrVal_385 (Array Int Int))) (= (let ((.cse2 (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_384) |c_ULTIMATE.start_main_~#array2~0#1.base|) .cse13 (let ((.cse14 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_385) |c_ULTIMATE.start_main_~#array2~0#1.base|))) (+ (select .cse14 .cse15) (select .cse14 .cse16)))))) (let ((.cse4 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse10 .cse11 .cse12)) |c_ULTIMATE.start_main_~#array2~0#1.base| .cse2) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse2 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse2 .cse3) |c_ULTIMATE.start_main_~sum~0#1| (select .cse4 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse2 .cse5) (select .cse4 .cse6) (select .cse4 .cse7) (select .cse4 .cse8) (select .cse2 .cse9)))) 0))) (or .cse17 (forall ((v_ArrVal_384 (Array Int Int)) (v_ArrVal_385 (Array Int Int))) (= (let ((.cse19 (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_384) |c_ULTIMATE.start_main_~#array2~0#1.base|) .cse21 (let ((.cse22 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_385) |c_ULTIMATE.start_main_~#array2~0#1.base|))) (+ (select .cse22 .cse15) (select .cse22 .cse16)))))) (let ((.cse18 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse10 .cse20 .cse12)) |c_ULTIMATE.start_main_~#array2~0#1.base| .cse19) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse18 .cse8) (select .cse19 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse18 .cse7) (select .cse18 |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse18 .cse6) (select .cse19 .cse3) (select .cse19 .cse9) (select .cse19 .cse5)))) 0)))))) (or (let ((.cse27 (+ .cse23 .cse33))) (and (or .cse1 (forall ((v_ArrVal_384 (Array Int Int)) (v_ArrVal_385 (Array Int Int))) (= (let ((.cse25 (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_384) |c_ULTIMATE.start_main_~#array2~0#1.base|) .cse13 (let ((.cse28 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_385) |c_ULTIMATE.start_main_~#array2~0#1.base|))) (+ (select .cse28 .cse29) (select .cse28 .cse15)))))) (let ((.cse26 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse10 .cse11 .cse27)) |c_ULTIMATE.start_main_~#array2~0#1.base| .cse25) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse25 .cse3) (select .cse26 .cse8) |c_ULTIMATE.start_main_~sum~0#1| (select .cse25 .cse5) (select .cse26 .cse7) (select .cse26 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse25 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse25 .cse9) (select .cse26 .cse6)))) 0))) (or .cse17 (forall ((v_ArrVal_384 (Array Int Int)) (v_ArrVal_385 (Array Int Int))) (= (let ((.cse30 (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_384) |c_ULTIMATE.start_main_~#array2~0#1.base|) .cse21 (let ((.cse32 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_385) |c_ULTIMATE.start_main_~#array2~0#1.base|))) (+ (select .cse32 .cse29) (select .cse32 .cse15)))))) (let ((.cse31 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse10 .cse20 .cse27)) |c_ULTIMATE.start_main_~#array2~0#1.base| .cse30) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse30 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse30 .cse9) |c_ULTIMATE.start_main_~sum~0#1| (select .cse30 .cse3) (select .cse31 .cse8) (select .cse30 .cse5) (select .cse31 .cse7) (select .cse31 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse31 .cse6)))) 0))))) .cse34))) (not .cse36)) (or (let ((.cse41 (+ .cse35 (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (.cse45 (select .cse10 (+ .cse35 (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset|)))) (and (or .cse0 (let ((.cse39 (+ .cse45 .cse24))) (and (or (forall ((v_ArrVal_384 (Array Int Int)) (v_ArrVal_385 (Array Int Int))) (= (let ((.cse38 (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_384) |c_ULTIMATE.start_main_~#array2~0#1.base|) .cse13 (let ((.cse40 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_385) |c_ULTIMATE.start_main_~#array2~0#1.base|))) (+ (select .cse40 .cse41) (select .cse40 .cse16)))))) (let ((.cse37 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse10 .cse11 .cse39)) |c_ULTIMATE.start_main_~#array2~0#1.base| .cse38) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse37 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse37 .cse8) (select .cse38 .cse3) (select .cse37 .cse6) (select .cse38 .cse9) (select .cse38 .cse5) |c_ULTIMATE.start_main_~sum~0#1| (select .cse38 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse37 .cse7)))) 0)) .cse1) (or .cse17 (forall ((v_ArrVal_384 (Array Int Int)) (v_ArrVal_385 (Array Int Int))) (= (let ((.cse42 (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_384) |c_ULTIMATE.start_main_~#array2~0#1.base|) .cse21 (let ((.cse44 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_385) |c_ULTIMATE.start_main_~#array2~0#1.base|))) (+ (select .cse44 .cse41) (select .cse44 .cse16)))))) (let ((.cse43 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse10 .cse20 .cse39)) |c_ULTIMATE.start_main_~#array2~0#1.base| .cse42) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse42 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse43 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse43 .cse6) |c_ULTIMATE.start_main_~sum~0#1| (select .cse42 .cse3) (select .cse43 .cse7) (select .cse43 .cse8) (select .cse42 .cse9) (select .cse42 .cse5)))) 0)))))) (or (let ((.cse48 (+ .cse45 .cse33))) (and (or .cse1 (forall ((v_ArrVal_384 (Array Int Int)) (v_ArrVal_385 (Array Int Int))) (= (let ((.cse47 (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_384) |c_ULTIMATE.start_main_~#array2~0#1.base|) .cse13 (let ((.cse49 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_385) |c_ULTIMATE.start_main_~#array2~0#1.base|))) (+ (select .cse49 .cse29) (select .cse49 .cse41)))))) (let ((.cse46 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse10 .cse11 .cse48)) |c_ULTIMATE.start_main_~#array2~0#1.base| .cse47) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse46 .cse8) (select .cse46 .cse6) |c_ULTIMATE.start_main_~sum~0#1| (select .cse46 .cse7) (select .cse47 .cse5) (select .cse46 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse47 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse47 .cse3) (select .cse47 .cse9)))) 0))) (or .cse17 (forall ((v_ArrVal_384 (Array Int Int)) (v_ArrVal_385 (Array Int Int))) (= (let ((.cse50 (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_384) |c_ULTIMATE.start_main_~#array2~0#1.base|) .cse21 (let ((.cse52 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| v_ArrVal_385) |c_ULTIMATE.start_main_~#array2~0#1.base|))) (+ (select .cse52 .cse29) (select .cse52 .cse41)))))) (let ((.cse51 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse10 .cse20 .cse48)) |c_ULTIMATE.start_main_~#array2~0#1.base| .cse50) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse50 .cse5) (select .cse51 .cse8) (select .cse50 .cse9) (select .cse50 |c_ULTIMATE.start_main_~#array2~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse50 .cse3) (select .cse51 .cse7) (select .cse51 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse51 .cse6)))) 0))))) .cse34))) .cse36))))) (< |c_ULTIMATE.start_main_~index~0#1| |c_ULTIMATE.start_main_~pivot~0#1|) (<= c_~ARR_SIZE~0 .cse58))) is different from false [2022-11-16 12:04:36,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:04:36,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771021587] [2022-11-16 12:04:36,200 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 12:04:36,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834192051] [2022-11-16 12:04:36,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834192051] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:04:36,200 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:04:36,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2022-11-16 12:04:36,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426047925] [2022-11-16 12:04:36,200 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-16 12:04:36,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-16 12:04:36,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:04:36,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-16 12:04:36,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=1056, Unknown=3, NotChecked=66, Total=1260 [2022-11-16 12:04:36,203 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand has 25 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 22 states have internal predecessors, (34), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-16 12:04:38,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:04:38,359 INFO L93 Difference]: Finished difference Result 75 states and 85 transitions. [2022-11-16 12:04:38,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-16 12:04:38,360 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 22 states have internal predecessors, (34), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 43 [2022-11-16 12:04:38,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:04:38,361 INFO L225 Difference]: With dead ends: 75 [2022-11-16 12:04:38,361 INFO L226 Difference]: Without dead ends: 71 [2022-11-16 12:04:38,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 20 SyntacticMatches, 4 SemanticMatches, 38 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 24.1s TimeCoverageRelationStatistics Valid=163, Invalid=1320, Unknown=3, NotChecked=74, Total=1560 [2022-11-16 12:04:38,363 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 33 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 121 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:04:38,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 205 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 218 Invalid, 0 Unknown, 121 Unchecked, 1.1s Time] [2022-11-16 12:04:38,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-11-16 12:04:38,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 54. [2022-11-16 12:04:38,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 45 states have (on average 1.1111111111111112) internal successors, (50), 45 states have internal predecessors, (50), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-16 12:04:38,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 60 transitions. [2022-11-16 12:04:38,401 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 60 transitions. Word has length 43 [2022-11-16 12:04:38,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:04:38,401 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 60 transitions. [2022-11-16 12:04:38,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 22 states have internal predecessors, (34), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-16 12:04:38,402 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 60 transitions. [2022-11-16 12:04:38,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-16 12:04:38,403 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:04:38,403 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:04:38,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-16 12:04:38,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-16 12:04:38,605 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:04:38,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:04:38,606 INFO L85 PathProgramCache]: Analyzing trace with hash -833991516, now seen corresponding path program 6 times [2022-11-16 12:04:38,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:04:38,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481690118] [2022-11-16 12:04:38,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:04:38,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:04:38,619 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 12:04:38,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1648666796] [2022-11-16 12:04:38,620 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-16 12:04:38,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:04:38,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:04:38,622 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:04:38,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-16 12:04:39,256 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2022-11-16 12:04:39,256 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:04:39,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-16 12:04:39,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:04:39,535 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 33 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 12:04:39,536 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:04:39,748 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 12:04:39,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:04:39,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481690118] [2022-11-16 12:04:39,749 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 12:04:39,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648666796] [2022-11-16 12:04:39,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648666796] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:04:39,749 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:04:39,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 18 [2022-11-16 12:04:39,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118110010] [2022-11-16 12:04:39,750 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:04:39,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-16 12:04:39,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:04:39,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-16 12:04:39,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2022-11-16 12:04:39,752 INFO L87 Difference]: Start difference. First operand 54 states and 60 transitions. Second operand has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 18 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 12:04:40,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:04:40,156 INFO L93 Difference]: Finished difference Result 98 states and 106 transitions. [2022-11-16 12:04:40,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:04:40,160 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 18 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2022-11-16 12:04:40,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:04:40,162 INFO L225 Difference]: With dead ends: 98 [2022-11-16 12:04:40,162 INFO L226 Difference]: Without dead ends: 82 [2022-11-16 12:04:40,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 66 SyntacticMatches, 6 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=153, Invalid=399, Unknown=0, NotChecked=0, Total=552 [2022-11-16 12:04:40,164 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 72 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:04:40,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 145 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 12:04:40,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-16 12:04:40,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 70. [2022-11-16 12:04:40,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 58 states have (on average 1.0862068965517242) internal successors, (63), 58 states have internal predecessors, (63), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-16 12:04:40,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 77 transitions. [2022-11-16 12:04:40,201 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 77 transitions. Word has length 45 [2022-11-16 12:04:40,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:04:40,201 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 77 transitions. [2022-11-16 12:04:40,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 18 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 12:04:40,202 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 77 transitions. [2022-11-16 12:04:40,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-16 12:04:40,203 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:04:40,203 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:04:40,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-16 12:04:40,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:04:40,409 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:04:40,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:04:40,409 INFO L85 PathProgramCache]: Analyzing trace with hash -766480640, now seen corresponding path program 7 times [2022-11-16 12:04:40,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:04:40,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139385281] [2022-11-16 12:04:40,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:04:40,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:04:40,442 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 12:04:40,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1925942468] [2022-11-16 12:04:40,446 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-16 12:04:40,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:04:40,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:04:40,447 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:04:40,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-16 12:04:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:40,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-16 12:04:40,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:04:40,894 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 24 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 12:04:40,894 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:04:41,105 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 12:04:41,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:04:41,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139385281] [2022-11-16 12:04:41,106 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 12:04:41,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925942468] [2022-11-16 12:04:41,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1925942468] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:04:41,106 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:04:41,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 18 [2022-11-16 12:04:41,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576965635] [2022-11-16 12:04:41,107 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:04:41,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-16 12:04:41,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:04:41,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-16 12:04:41,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2022-11-16 12:04:41,109 INFO L87 Difference]: Start difference. First operand 70 states and 77 transitions. Second operand has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 18 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 12:04:41,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:04:41,621 INFO L93 Difference]: Finished difference Result 81 states and 87 transitions. [2022-11-16 12:04:41,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 12:04:41,622 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 18 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2022-11-16 12:04:41,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:04:41,623 INFO L225 Difference]: With dead ends: 81 [2022-11-16 12:04:41,624 INFO L226 Difference]: Without dead ends: 77 [2022-11-16 12:04:41,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 66 SyntacticMatches, 6 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=209, Invalid=603, Unknown=0, NotChecked=0, Total=812 [2022-11-16 12:04:41,625 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 77 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:04:41,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 138 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 12:04:41,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-16 12:04:41,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 72. [2022-11-16 12:04:41,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 60 states have (on average 1.0833333333333333) internal successors, (65), 60 states have internal predecessors, (65), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-16 12:04:41,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 79 transitions. [2022-11-16 12:04:41,665 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 79 transitions. Word has length 45 [2022-11-16 12:04:41,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:04:41,665 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 79 transitions. [2022-11-16 12:04:41,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 18 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 12:04:41,666 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 79 transitions. [2022-11-16 12:04:41,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-16 12:04:41,667 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:04:41,667 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:04:41,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-16 12:04:41,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-16 12:04:41,871 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:04:41,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:04:41,872 INFO L85 PathProgramCache]: Analyzing trace with hash -2095253982, now seen corresponding path program 8 times [2022-11-16 12:04:41,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:04:41,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143757516] [2022-11-16 12:04:41,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:04:41,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:04:41,897 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 12:04:41,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [856293720] [2022-11-16 12:04:41,902 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 12:04:41,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:04:41,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:04:41,904 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:04:41,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e28986-f901-45e1-befe-ed3c215265a8/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-16 12:04:43,246 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 12:04:43,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:04:43,251 WARN L261 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 132 conjunts are in the unsatisfiable core [2022-11-16 12:04:43,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:04:43,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 12:04:43,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:43,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 36 [2022-11-16 12:04:43,424 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 15 treesize of output 14 [2022-11-16 12:04:43,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2022-11-16 12:04:43,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:43,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 69 [2022-11-16 12:04:43,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:43,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:43,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:43,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:43,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:43,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:43,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:43,992 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:04:43,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:43,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:04:44,015 INFO L321 Elim1Store]: treesize reduction 39, result has 26.4 percent of original size [2022-11-16 12:04:44,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 82 treesize of output 74 [2022-11-16 12:04:44,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:04:44,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:04:44,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:04:44,372 INFO L321 Elim1Store]: treesize reduction 47, result has 23.0 percent of original size [2022-11-16 12:04:44,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 106 treesize of output 104 [2022-11-16 12:04:44,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:04:44,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:04:44,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:04:44,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:44,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 12:04:44,846 INFO L321 Elim1Store]: treesize reduction 55, result has 20.3 percent of original size [2022-11-16 12:04:44,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 29 case distinctions, treesize of input 210 treesize of output 136 [2022-11-16 12:04:49,403 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-16 12:04:49,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 1266 treesize of output 1153 [2022-11-16 12:04:49,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:49,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:49,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:49,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:49,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:49,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:49,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:49,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:49,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:49,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:49,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:49,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:49,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:49,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:49,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:49,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:49,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:49,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:49,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:49,897 INFO L217 Elim1Store]: Index analysis took 435 ms [2022-11-16 12:04:50,031 INFO L321 Elim1Store]: treesize reduction 183, result has 0.5 percent of original size [2022-11-16 12:04:50,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 9 select indices, 9 select index equivalence classes, 46 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 9 case distinctions, treesize of input 542 treesize of output 592 [2022-11-16 12:04:50,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 133 [2022-11-16 12:04:50,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:50,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:50,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:50,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:50,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:50,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:50,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:50,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:50,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:50,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:50,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:50,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:50,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:50,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:50,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:50,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:50,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:50,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:50,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:50,716 INFO L217 Elim1Store]: Index analysis took 488 ms [2022-11-16 12:04:50,844 INFO L321 Elim1Store]: treesize reduction 276, result has 0.4 percent of original size [2022-11-16 12:04:50,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 9 select indices, 9 select index equivalence classes, 46 disjoint index pairs (out of 36 index pairs), introduced 13 new quantified variables, introduced 12 case distinctions, treesize of input 638 treesize of output 872 [2022-11-16 12:04:53,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:53,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:53,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:53,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:53,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:53,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:53,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:53,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:53,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:53,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:04:53,659 INFO L217 Elim1Store]: Index analysis took 198 ms [2022-11-16 12:04:54,790 INFO L321 Elim1Store]: treesize reduction 261, result has 20.7 percent of original size [2022-11-16 12:04:54,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 253 treesize of output 426 [2022-11-16 12:04:54,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 13 [2022-11-16 12:05:04,250 WARN L233 SmtUtils]: Spent 5.70s on a formula simplification. DAG size of input: 219 DAG size of output: 217 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 12:06:14,474 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-16 12:06:14,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 922 treesize of output 798 [2022-11-16 12:08:02,631 WARN L233 SmtUtils]: Spent 1.80m on a formula simplification. DAG size of input: 379 DAG size of output: 343 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 12:08:02,635 INFO L321 Elim1Store]: treesize reduction 144, result has 89.3 percent of original size [2022-11-16 12:08:02,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 10 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 81 case distinctions, treesize of input 793 treesize of output 1895 [2022-11-16 12:08:04,826 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (* (mod (+ (* 4294967295 |ULTIMATE.start_main_~pivot~0#1|) |aux_mod_ULTIMATE.start_main_~index~0#1_49|) 4294967296) 4) (* (mod |aux_mod_ULTIMATE.start_main_~index~0#1_49| 4294967296) 4)) [2022-11-16 12:08:07,120 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (* (mod |aux_mod_ULTIMATE.start_main_~index~0#1_49| 4294967296) 4) 12) [2022-11-16 12:08:09,681 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= 4 (* (mod (+ v_prenex_65 |ULTIMATE.start_main_~index~0#1|) 4294967296) 4)) [2022-11-16 12:08:14,217 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (* (mod (+ v_prenex_65 |ULTIMATE.start_main_~index~0#1|) 4294967296) 4) 0) [2022-11-16 12:08:19,054 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (* (mod (+ (* 4294967295 v_prenex_65) |ULTIMATE.start_main_~index~0#1|) 4294967296) 4) 8) [2022-11-16 12:08:24,729 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (* (mod |aux_mod_ULTIMATE.start_main_~index~0#1_49| 4294967296) 4) (* 4 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_49_60| (* 4294967295 v_prenex_63)) 4294967296))) [2022-11-16 12:08:29,932 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (* (mod (+ (* 4294967295 v_prenex_65) |ULTIMATE.start_main_~index~0#1|) 4294967296) 4) (* (mod (+ |ULTIMATE.start_main_~pivot~0#1| |aux_mod_ULTIMATE.start_main_~index~0#1_49|) 4294967296) 4)) [2022-11-16 12:08:31,943 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (* (mod (+ |ULTIMATE.start_main_~pivot~0#1| |aux_mod_ULTIMATE.start_main_~index~0#1_49|) 4294967296) 4) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_49_60| 4294967296) 4)) [2022-11-16 12:08:34,332 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (* (mod (+ |ULTIMATE.start_main_~pivot~0#1| |aux_mod_ULTIMATE.start_main_~index~0#1_49|) 4294967296) 4) 12) [2022-11-16 12:08:37,718 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (* (mod (+ |ULTIMATE.start_main_~pivot~0#1| |aux_mod_ULTIMATE.start_main_~index~0#1_49|) 4294967296) 4) (* (mod (+ (* 4294967295 |ULTIMATE.start_main_~pivot~0#1|) |aux_mod_ULTIMATE.start_main_~index~0#1_49|) 4294967296) 4)) [2022-11-16 12:08:39,970 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (* (mod (+ (* 4294967295 |ULTIMATE.start_main_~pivot~0#1|) |aux_mod_ULTIMATE.start_main_~index~0#1_49|) 4294967296) 4) 4) [2022-11-16 12:08:42,904 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (* (mod (+ (* 4294967295 v_prenex_65) |ULTIMATE.start_main_~index~0#1|) 4294967296) 4) (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_49_60| v_prenex_63) 4294967296) 4)) [2022-11-16 12:08:48,812 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_49_60| 4294967296) 4) 0) [2022-11-16 12:08:50,822 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= 12 (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_49_60| 4294967296) 4)) [2022-11-16 12:08:51,219 INFO L217 Elim1Store]: Index analysis took 43677 ms [2022-11-16 12:10:57,944 WARN L233 SmtUtils]: Spent 2.11m on a formula simplification. DAG size of input: 379 DAG size of output: 347 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 12:10:57,947 INFO L321 Elim1Store]: treesize reduction 126, result has 90.7 percent of original size [2022-11-16 12:10:57,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 10 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 81 case distinctions, treesize of input 1074 treesize of output 2048