./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ifeqn4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/ifeqn4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS --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 b0db5597ff96f0e5a728327333d32dd7df56f4b1fb643f99ebf0f69cacecd717 --- 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-4e7fbc6 [2022-11-23 03:42:20,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:42:20,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:42:20,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:42:20,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:42:20,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:42:20,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:42:20,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:42:20,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:42:20,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:42:20,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:42:20,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:42:20,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:42:20,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:42:20,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:42:20,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:42:20,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:42:20,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:42:20,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:42:20,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:42:20,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:42:20,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:42:20,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:42:20,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:42:20,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:42:20,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:42:20,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:42:20,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:42:20,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:42:20,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:42:20,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:42:20,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:42:20,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:42:20,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:42:20,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:42:20,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:42:20,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:42:20,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:42:20,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:42:20,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:42:20,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:42:20,159 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-23 03:42:20,206 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:42:20,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:42:20,207 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:42:20,207 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:42:20,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 03:42:20,209 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 03:42:20,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:42:20,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:42:20,210 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:42:20,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:42:20,211 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 03:42:20,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:42:20,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 03:42:20,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:42:20,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 03:42:20,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 03:42:20,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 03:42:20,213 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 03:42:20,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:42:20,214 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:42:20,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 03:42:20,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:42:20,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:42:20,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 03:42:20,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:42:20,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:42:20,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 03:42:20,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 03:42:20,216 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:42:20,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 03:42:20,217 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 03:42:20,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 03:42:20,217 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 03:42:20,218 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 03:42:20,218 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0db5597ff96f0e5a728327333d32dd7df56f4b1fb643f99ebf0f69cacecd717 [2022-11-23 03:42:20,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:42:20,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:42:20,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:42:20,610 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:42:20,611 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:42:20,613 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/array-fpi/ifeqn4.c [2022-11-23 03:42:23,718 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:42:24,004 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:42:24,005 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/sv-benchmarks/c/array-fpi/ifeqn4.c [2022-11-23 03:42:24,012 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/data/fd2cf2784/84863331871d4ecc8303732aa0b82d1c/FLAGb2c94fd08 [2022-11-23 03:42:24,030 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/data/fd2cf2784/84863331871d4ecc8303732aa0b82d1c [2022-11-23 03:42:24,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:42:24,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:42:24,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:42:24,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:42:24,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:42:24,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:24" (1/1) ... [2022-11-23 03:42:24,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34ea95c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:24, skipping insertion in model container [2022-11-23 03:42:24,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:24" (1/1) ... [2022-11-23 03:42:24,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:42:24,086 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:42:24,239 WARN L237 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_e98e2525-50f6-40d4-bdcc-5357456bbff4/sv-benchmarks/c/array-fpi/ifeqn4.c[589,602] [2022-11-23 03:42:24,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:42:24,275 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:42:24,289 WARN L237 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_e98e2525-50f6-40d4-bdcc-5357456bbff4/sv-benchmarks/c/array-fpi/ifeqn4.c[589,602] [2022-11-23 03:42:24,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:42:24,319 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:42:24,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:24 WrapperNode [2022-11-23 03:42:24,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:42:24,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:42:24,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:42:24,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:42:24,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:24" (1/1) ... [2022-11-23 03:42:24,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:24" (1/1) ... [2022-11-23 03:42:24,359 INFO L138 Inliner]: procedures = 16, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2022-11-23 03:42:24,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:42:24,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:42:24,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:42:24,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:42:24,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:24" (1/1) ... [2022-11-23 03:42:24,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:24" (1/1) ... [2022-11-23 03:42:24,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:24" (1/1) ... [2022-11-23 03:42:24,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:24" (1/1) ... [2022-11-23 03:42:24,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:24" (1/1) ... [2022-11-23 03:42:24,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:24" (1/1) ... [2022-11-23 03:42:24,406 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:24" (1/1) ... [2022-11-23 03:42:24,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:24" (1/1) ... [2022-11-23 03:42:24,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:42:24,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:42:24,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:42:24,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:42:24,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:24" (1/1) ... [2022-11-23 03:42:24,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:42:24,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:42:24,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 03:42:24,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 03:42:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 03:42:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 03:42:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 03:42:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 03:42:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:42:24,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:42:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 03:42:24,622 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:42:24,624 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:42:24,977 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:42:24,984 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:42:24,984 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-23 03:42:24,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:42:24 BoogieIcfgContainer [2022-11-23 03:42:24,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:42:24,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 03:42:24,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 03:42:24,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 03:42:25,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:42:24" (1/3) ... [2022-11-23 03:42:25,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26cba159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:42:25, skipping insertion in model container [2022-11-23 03:42:25,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:24" (2/3) ... [2022-11-23 03:42:25,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26cba159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:42:25, skipping insertion in model container [2022-11-23 03:42:25,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:42:24" (3/3) ... [2022-11-23 03:42:25,007 INFO L112 eAbstractionObserver]: Analyzing ICFG ifeqn4.c [2022-11-23 03:42:25,043 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 03:42:25,043 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 03:42:25,151 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 03:42:25,158 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;@4e77be64, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 03:42:25,158 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 03:42:25,162 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:25,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 03:42:25,171 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:42:25,172 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:42:25,172 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:42:25,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:42:25,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1670316217, now seen corresponding path program 1 times [2022-11-23 03:42:25,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:42:25,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129550342] [2022-11-23 03:42:25,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:42:25,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:42:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:42:25,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:42:25,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129550342] [2022-11-23 03:42:25,352 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-23 03:42:25,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988536348] [2022-11-23 03:42:25,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:42:25,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:42:25,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:42:25,357 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:42:25,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 03:42:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:42:25,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-23 03:42:25,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:42:25,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:42:25,486 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:42:25,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988536348] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:42:25,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:42:25,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 03:42:25,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793809831] [2022-11-23 03:42:25,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:42:25,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 03:42:25,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:42:25,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 03:42:25,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 03:42:25,549 INFO L87 Difference]: Start difference. First operand has 23 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:25,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:42:25,568 INFO L93 Difference]: Finished difference Result 42 states and 60 transitions. [2022-11-23 03:42:25,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 03:42:25,570 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-23 03:42:25,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:42:25,579 INFO L225 Difference]: With dead ends: 42 [2022-11-23 03:42:25,580 INFO L226 Difference]: Without dead ends: 19 [2022-11-23 03:42:25,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 03:42:25,586 INFO L413 NwaCegarLoop]: 28 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, 28 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 [2022-11-23 03:42:25,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:42:25,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-23 03:42:25,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-23 03:42:25,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:25,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2022-11-23 03:42:25,619 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 12 [2022-11-23 03:42:25,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:42:25,619 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions. [2022-11-23 03:42:25,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:25,620 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2022-11-23 03:42:25,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 03:42:25,621 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:42:25,621 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:42:25,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-23 03:42:25,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-23 03:42:25,827 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:42:25,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:42:25,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1000416578, now seen corresponding path program 1 times [2022-11-23 03:42:25,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:42:25,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049020043] [2022-11-23 03:42:25,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:42:25,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:42:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:42:25,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:42:25,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049020043] [2022-11-23 03:42:25,883 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-23 03:42:25,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160778421] [2022-11-23 03:42:25,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:42:25,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:42:25,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:42:25,885 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:42:25,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 03:42:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:42:25,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 03:42:25,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:42:26,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:42:26,036 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:42:26,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160778421] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:42:26,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:42:26,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 03:42:26,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874356315] [2022-11-23 03:42:26,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:42:26,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 03:42:26,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:42:26,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 03:42:26,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:42:26,040 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:26,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:42:26,130 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions. [2022-11-23 03:42:26,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 03:42:26,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-23 03:42:26,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:42:26,132 INFO L225 Difference]: With dead ends: 42 [2022-11-23 03:42:26,132 INFO L226 Difference]: Without dead ends: 31 [2022-11-23 03:42:26,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:42:26,135 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 29 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 03:42:26,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 15 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 03:42:26,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-23 03:42:26,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 21. [2022-11-23 03:42:26,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.25) internal successors, (25), 20 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:26,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2022-11-23 03:42:26,143 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 12 [2022-11-23 03:42:26,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:42:26,143 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2022-11-23 03:42:26,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:26,144 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-11-23 03:42:26,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 03:42:26,144 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:42:26,144 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:42:26,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 03:42:26,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:42:26,352 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:42:26,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:42:26,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1992201947, now seen corresponding path program 1 times [2022-11-23 03:42:26,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:42:26,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790485672] [2022-11-23 03:42:26,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:42:26,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:42:26,384 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 03:42:26,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2046334331] [2022-11-23 03:42:26,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:42:26,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:42:26,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:42:26,387 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:42:26,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 03:42:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:42:26,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-23 03:42:26,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:42:26,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 03:42:26,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 03:42:26,651 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:42:26,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:42:26,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790485672] [2022-11-23 03:42:26,652 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 03:42:26,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046334331] [2022-11-23 03:42:26,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046334331] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:42:26,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:42:26,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 03:42:26,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881874511] [2022-11-23 03:42:26,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:42:26,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 03:42:26,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:42:26,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 03:42:26,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:42:26,655 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:26,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:42:26,821 INFO L93 Difference]: Finished difference Result 38 states and 44 transitions. [2022-11-23 03:42:26,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 03:42:26,822 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-23 03:42:26,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:42:26,829 INFO L225 Difference]: With dead ends: 38 [2022-11-23 03:42:26,829 INFO L226 Difference]: Without dead ends: 36 [2022-11-23 03:42:26,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-23 03:42:26,835 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 16 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 03:42:26,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 70 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 03:42:26,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-23 03:42:26,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 26. [2022-11-23 03:42:26,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:26,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2022-11-23 03:42:26,854 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 18 [2022-11-23 03:42:26,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:42:26,855 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2022-11-23 03:42:26,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:26,855 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-11-23 03:42:26,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 03:42:26,856 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:42:26,856 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:42:26,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-23 03:42:27,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:42:27,057 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:42:27,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:42:27,058 INFO L85 PathProgramCache]: Analyzing trace with hash -217194585, now seen corresponding path program 1 times [2022-11-23 03:42:27,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:42:27,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698996375] [2022-11-23 03:42:27,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:42:27,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:42:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:42:27,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:42:27,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698996375] [2022-11-23 03:42:27,125 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-23 03:42:27,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931307048] [2022-11-23 03:42:27,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:42:27,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:42:27,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:42:27,128 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:42:27,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 03:42:27,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:42:27,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 03:42:27,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:42:27,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 03:42:27,241 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:42:27,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931307048] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:42:27,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:42:27,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 03:42:27,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029406194] [2022-11-23 03:42:27,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:42:27,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:42:27,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:42:27,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:42:27,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:42:27,245 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:27,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:42:27,309 INFO L93 Difference]: Finished difference Result 55 states and 67 transitions. [2022-11-23 03:42:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:42:27,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-23 03:42:27,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:42:27,311 INFO L225 Difference]: With dead ends: 55 [2022-11-23 03:42:27,311 INFO L226 Difference]: Without dead ends: 35 [2022-11-23 03:42:27,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:42:27,313 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 8 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:42:27,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 22 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:42:27,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-23 03:42:27,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 28. [2022-11-23 03:42:27,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:27,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2022-11-23 03:42:27,322 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 33 transitions. Word has length 18 [2022-11-23 03:42:27,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:42:27,322 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 33 transitions. [2022-11-23 03:42:27,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:27,323 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2022-11-23 03:42:27,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-23 03:42:27,324 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:42:27,324 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:42:27,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 03:42:27,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:42:27,525 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:42:27,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:42:27,526 INFO L85 PathProgramCache]: Analyzing trace with hash 259417010, now seen corresponding path program 1 times [2022-11-23 03:42:27,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:42:27,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974798828] [2022-11-23 03:42:27,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:42:27,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:42:27,571 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 03:42:27,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1804695044] [2022-11-23 03:42:27,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:42:27,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:42:27,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:42:27,579 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:42:27,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 03:42:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:42:27,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 03:42:27,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:42:27,797 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:42:27,797 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 03:42:27,877 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:42:27,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:42:27,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974798828] [2022-11-23 03:42:27,878 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 03:42:27,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804695044] [2022-11-23 03:42:27,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804695044] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 03:42:27,879 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 03:42:27,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2022-11-23 03:42:27,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862706726] [2022-11-23 03:42:27,880 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 03:42:27,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 03:42:27,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:42:27,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 03:42:27,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-23 03:42:27,882 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:28,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:42:28,092 INFO L93 Difference]: Finished difference Result 70 states and 82 transitions. [2022-11-23 03:42:28,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 03:42:28,093 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-11-23 03:42:28,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:42:28,094 INFO L225 Difference]: With dead ends: 70 [2022-11-23 03:42:28,094 INFO L226 Difference]: Without dead ends: 43 [2022-11-23 03:42:28,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-11-23 03:42:28,102 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 48 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 03:42:28,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 43 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 03:42:28,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-23 03:42:28,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 27. [2022-11-23 03:42:28,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:28,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2022-11-23 03:42:28,123 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 21 [2022-11-23 03:42:28,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:42:28,124 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2022-11-23 03:42:28,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:28,124 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-11-23 03:42:28,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 03:42:28,125 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:42:28,125 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:42:28,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-23 03:42:28,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:42:28,326 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:42:28,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:42:28,327 INFO L85 PathProgramCache]: Analyzing trace with hash 939318754, now seen corresponding path program 1 times [2022-11-23 03:42:28,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:42:28,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086925973] [2022-11-23 03:42:28,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:42:28,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:42:28,372 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 03:42:28,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [112939103] [2022-11-23 03:42:28,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:42:28,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:42:28,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:42:28,385 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:42:28,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-23 03:42:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:42:28,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-23 03:42:28,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:42:28,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 03:42:28,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:42:28,680 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 21 treesize of output 20 [2022-11-23 03:42:28,749 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:42:28,749 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 03:42:29,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 19 [2022-11-23 03:42:29,101 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 03:42:29,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:42:29,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086925973] [2022-11-23 03:42:29,102 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 03:42:29,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112939103] [2022-11-23 03:42:29,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112939103] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 03:42:29,103 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 03:42:29,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2022-11-23 03:42:29,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647710239] [2022-11-23 03:42:29,104 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 03:42:29,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-23 03:42:29,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:42:29,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-23 03:42:29,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2022-11-23 03:42:29,106 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:29,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:42:29,908 INFO L93 Difference]: Finished difference Result 112 states and 131 transitions. [2022-11-23 03:42:29,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 03:42:29,909 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-23 03:42:29,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:42:29,911 INFO L225 Difference]: With dead ends: 112 [2022-11-23 03:42:29,911 INFO L226 Difference]: Without dead ends: 92 [2022-11-23 03:42:29,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2022-11-23 03:42:29,912 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 203 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 03:42:29,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 85 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 03:42:29,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-23 03:42:29,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 40. [2022-11-23 03:42:29,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.205128205128205) internal successors, (47), 39 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:29,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions. [2022-11-23 03:42:29,928 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 47 transitions. Word has length 24 [2022-11-23 03:42:29,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:42:29,928 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 47 transitions. [2022-11-23 03:42:29,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:29,929 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2022-11-23 03:42:29,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-23 03:42:29,930 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:42:29,930 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:42:29,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-23 03:42:30,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:42:30,137 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:42:30,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:42:30,137 INFO L85 PathProgramCache]: Analyzing trace with hash 430403928, now seen corresponding path program 1 times [2022-11-23 03:42:30,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:42:30,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698157800] [2022-11-23 03:42:30,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:42:30,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:42:30,167 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 03:42:30,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [322305404] [2022-11-23 03:42:30,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:42:30,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:42:30,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:42:30,170 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:42:30,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-23 03:42:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:42:30,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 43 conjunts are in the unsatisfiable core [2022-11-23 03:42:30,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:42:30,342 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 [2022-11-23 03:42:30,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 03:42:30,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:42:30,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-23 03:42:30,566 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 19 treesize of output 18 [2022-11-23 03:42:30,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:42:30,680 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-23 03:42:30,680 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 1 case distinctions, treesize of input 38 treesize of output 32 [2022-11-23 03:42:30,959 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-23 03:42:30,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 34 [2022-11-23 03:42:30,980 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:42:30,980 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 03:42:32,161 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:42:32,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:42:32,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698157800] [2022-11-23 03:42:32,162 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 03:42:32,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322305404] [2022-11-23 03:42:32,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [322305404] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 03:42:32,162 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 03:42:32,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2022-11-23 03:42:32,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987266794] [2022-11-23 03:42:32,163 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 03:42:32,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-23 03:42:32,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:42:32,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-23 03:42:32,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2022-11-23 03:42:32,165 INFO L87 Difference]: Start difference. First operand 40 states and 47 transitions. Second operand has 23 states, 23 states have (on average 2.217391304347826) internal successors, (51), 23 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:43,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:42:43,321 INFO L93 Difference]: Finished difference Result 175 states and 197 transitions. [2022-11-23 03:42:43,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-23 03:42:43,322 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.217391304347826) internal successors, (51), 23 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-11-23 03:42:43,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:42:43,325 INFO L225 Difference]: With dead ends: 175 [2022-11-23 03:42:43,325 INFO L226 Difference]: Without dead ends: 173 [2022-11-23 03:42:43,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 740 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=683, Invalid=2287, Unknown=0, NotChecked=0, Total=2970 [2022-11-23 03:42:43,327 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 430 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-23 03:42:43,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 201 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-23 03:42:43,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-11-23 03:42:43,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 80. [2022-11-23 03:42:43,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 79 states have (on average 1.2784810126582278) internal successors, (101), 79 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:43,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 101 transitions. [2022-11-23 03:42:43,353 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 101 transitions. Word has length 28 [2022-11-23 03:42:43,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:42:43,353 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 101 transitions. [2022-11-23 03:42:43,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.217391304347826) internal successors, (51), 23 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:43,354 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 101 transitions. [2022-11-23 03:42:43,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-23 03:42:43,355 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:42:43,355 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:42:43,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-23 03:42:43,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-23 03:42:43,564 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:42:43,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:42:43,565 INFO L85 PathProgramCache]: Analyzing trace with hash 877615566, now seen corresponding path program 2 times [2022-11-23 03:42:43,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:42:43,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080483912] [2022-11-23 03:42:43,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:42:43,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:42:43,597 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 03:42:43,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1415752623] [2022-11-23 03:42:43,598 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 03:42:43,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:42:43,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:42:43,607 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:42:43,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-23 03:42:43,692 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 03:42:43,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 03:42:43,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-23 03:42:43,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:42:43,821 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 03:42:43,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 03:42:43,930 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 03:42:43,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:42:43,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080483912] [2022-11-23 03:42:43,930 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 03:42:43,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415752623] [2022-11-23 03:42:43,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415752623] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 03:42:43,931 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 03:42:43,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2022-11-23 03:42:43,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995631313] [2022-11-23 03:42:43,932 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 03:42:43,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 03:42:43,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:42:43,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 03:42:43,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-11-23 03:42:43,935 INFO L87 Difference]: Start difference. First operand 80 states and 101 transitions. Second operand has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:44,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:42:44,172 INFO L93 Difference]: Finished difference Result 190 states and 228 transitions. [2022-11-23 03:42:44,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-23 03:42:44,172 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-23 03:42:44,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:42:44,174 INFO L225 Difference]: With dead ends: 190 [2022-11-23 03:42:44,174 INFO L226 Difference]: Without dead ends: 122 [2022-11-23 03:42:44,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2022-11-23 03:42:44,176 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 63 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 03:42:44,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 65 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 03:42:44,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-11-23 03:42:44,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 97. [2022-11-23 03:42:44,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 96 states have (on average 1.21875) internal successors, (117), 96 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:44,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 117 transitions. [2022-11-23 03:42:44,200 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 117 transitions. Word has length 32 [2022-11-23 03:42:44,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:42:44,200 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 117 transitions. [2022-11-23 03:42:44,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:44,201 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 117 transitions. [2022-11-23 03:42:44,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-23 03:42:44,202 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:42:44,202 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:42:44,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-23 03:42:44,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:42:44,416 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:42:44,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:42:44,416 INFO L85 PathProgramCache]: Analyzing trace with hash -187195163, now seen corresponding path program 2 times [2022-11-23 03:42:44,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:42:44,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305794710] [2022-11-23 03:42:44,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:42:44,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:42:44,460 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 03:42:44,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [521288964] [2022-11-23 03:42:44,471 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 03:42:44,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:42:44,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:42:44,472 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:42:44,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-23 03:42:44,563 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 03:42:44,564 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 03:42:44,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-23 03:42:44,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:42:44,706 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 32 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 03:42:44,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 03:42:44,813 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 32 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 03:42:44,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:42:44,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305794710] [2022-11-23 03:42:44,814 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 03:42:44,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521288964] [2022-11-23 03:42:44,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521288964] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 03:42:44,814 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 03:42:44,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2022-11-23 03:42:44,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671635593] [2022-11-23 03:42:44,815 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 03:42:44,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-23 03:42:44,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:42:44,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-23 03:42:44,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2022-11-23 03:42:44,817 INFO L87 Difference]: Start difference. First operand 97 states and 117 transitions. Second operand has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:45,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:42:45,240 INFO L93 Difference]: Finished difference Result 236 states and 273 transitions. [2022-11-23 03:42:45,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 03:42:45,241 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-11-23 03:42:45,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:42:45,242 INFO L225 Difference]: With dead ends: 236 [2022-11-23 03:42:45,243 INFO L226 Difference]: Without dead ends: 177 [2022-11-23 03:42:45,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 52 SyntacticMatches, 5 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=158, Invalid=394, Unknown=0, NotChecked=0, Total=552 [2022-11-23 03:42:45,244 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 155 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 03:42:45,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 100 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 03:42:45,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2022-11-23 03:42:45,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 134. [2022-11-23 03:42:45,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 133 states have (on average 1.1879699248120301) internal successors, (158), 133 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:45,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 158 transitions. [2022-11-23 03:42:45,280 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 158 transitions. Word has length 36 [2022-11-23 03:42:45,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:42:45,280 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 158 transitions. [2022-11-23 03:42:45,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:45,281 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 158 transitions. [2022-11-23 03:42:45,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-23 03:42:45,282 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:42:45,283 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:42:45,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-23 03:42:45,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-23 03:42:45,495 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:42:45,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:42:45,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1173959464, now seen corresponding path program 3 times [2022-11-23 03:42:45,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:42:45,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705254588] [2022-11-23 03:42:45,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:42:45,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:42:45,520 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 03:42:45,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2039255910] [2022-11-23 03:42:45,520 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 03:42:45,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:42:45,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:42:45,522 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:42:45,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-23 03:42:45,725 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-23 03:42:45,725 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 03:42:45,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-23 03:42:45,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:42:45,982 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-23 03:42:45,982 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 03:42:46,172 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-23 03:42:46,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:42:46,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705254588] [2022-11-23 03:42:46,172 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 03:42:46,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039255910] [2022-11-23 03:42:46,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039255910] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 03:42:46,173 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 03:42:46,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 20 [2022-11-23 03:42:46,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000251104] [2022-11-23 03:42:46,173 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 03:42:46,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-23 03:42:46,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:42:46,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-23 03:42:46,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2022-11-23 03:42:46,175 INFO L87 Difference]: Start difference. First operand 134 states and 158 transitions. Second operand has 20 states, 20 states have (on average 2.45) internal successors, (49), 20 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:47,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:42:47,133 INFO L93 Difference]: Finished difference Result 171 states and 193 transitions. [2022-11-23 03:42:47,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-23 03:42:47,134 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.45) internal successors, (49), 20 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-11-23 03:42:47,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:42:47,135 INFO L225 Difference]: With dead ends: 171 [2022-11-23 03:42:47,135 INFO L226 Difference]: Without dead ends: 162 [2022-11-23 03:42:47,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 55 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 458 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=412, Invalid=1394, Unknown=0, NotChecked=0, Total=1806 [2022-11-23 03:42:47,137 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 137 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 03:42:47,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 95 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 03:42:47,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-11-23 03:42:47,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 134. [2022-11-23 03:42:47,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 133 states have (on average 1.1729323308270676) internal successors, (156), 133 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:47,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 156 transitions. [2022-11-23 03:42:47,191 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 156 transitions. Word has length 37 [2022-11-23 03:42:47,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:42:47,193 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 156 transitions. [2022-11-23 03:42:47,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.45) internal successors, (49), 20 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:42:47,193 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 156 transitions. [2022-11-23 03:42:47,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-23 03:42:47,202 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:42:47,203 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:42:47,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-23 03:42:47,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-23 03:42:47,418 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:42:47,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:42:47,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1129715953, now seen corresponding path program 4 times [2022-11-23 03:42:47,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:42:47,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115919077] [2022-11-23 03:42:47,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:42:47,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:42:47,462 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 03:42:47,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1679977293] [2022-11-23 03:42:47,471 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-23 03:42:47,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:42:47,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:42:47,473 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:42:47,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-23 03:42:47,850 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-23 03:42:47,850 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 03:42:47,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 59 conjunts are in the unsatisfiable core [2022-11-23 03:42:47,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:42:47,870 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 [2022-11-23 03:42:47,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 03:42:47,985 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 110 treesize of output 99 [2022-11-23 03:42:47,991 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 03:42:47,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:42:47,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:42:47,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:42:47,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 172 [2022-11-23 03:42:48,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:42:48,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:42:48,182 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 44 treesize of output 36 [2022-11-23 03:42:48,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:42:48,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:42:48,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-11-23 03:42:48,494 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-23 03:42:48,495 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 160 treesize of output 144 [2022-11-23 03:42:48,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 03:42:48,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:42:48,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:42:48,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:42:48,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:42:48,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 197 [2022-11-23 03:42:48,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:42:48,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:42:48,556 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 178 treesize of output 111 [2022-11-23 03:42:48,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:42:48,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:42:48,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 03:42:48,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 03:42:48,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:42:48,814 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-11-23 03:42:48,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 69 treesize of output 66 [2022-11-23 03:42:49,363 INFO L321 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2022-11-23 03:42:49,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 89 treesize of output 45 [2022-11-23 03:42:49,389 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:42:49,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 03:43:02,873 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:43:02,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:43:02,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115919077] [2022-11-23 03:43:02,873 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 03:43:02,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1679977293] [2022-11-23 03:43:02,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1679977293] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 03:43:02,874 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 03:43:02,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2022-11-23 03:43:02,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464876724] [2022-11-23 03:43:02,874 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 03:43:02,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-11-23 03:43:02,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:43:02,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-11-23 03:43:02,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=948, Unknown=0, NotChecked=0, Total=1122 [2022-11-23 03:43:02,876 INFO L87 Difference]: Start difference. First operand 134 states and 156 transitions. Second operand has 34 states, 34 states have (on average 2.088235294117647) internal successors, (71), 34 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:43:18,672 WARN L233 SmtUtils]: Spent 9.92s on a formula simplification. DAG size of input: 190 DAG size of output: 118 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 03:43:32,205 WARN L233 SmtUtils]: Spent 5.47s on a formula simplification. DAG size of input: 150 DAG size of output: 100 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 03:43:53,841 WARN L233 SmtUtils]: Spent 15.71s on a formula simplification. DAG size of input: 252 DAG size of output: 134 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 03:44:31,588 WARN L233 SmtUtils]: Spent 25.22s on a formula simplification. DAG size of input: 230 DAG size of output: 153 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 03:45:18,268 WARN L233 SmtUtils]: Spent 25.61s on a formula simplification. DAG size of input: 239 DAG size of output: 151 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 03:45:44,454 WARN L233 SmtUtils]: Spent 20.38s on a formula simplification. DAG size of input: 237 DAG size of output: 149 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 03:46:13,378 WARN L233 SmtUtils]: Spent 22.93s on a formula simplification. DAG size of input: 240 DAG size of output: 152 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 03:46:44,474 WARN L233 SmtUtils]: Spent 12.40s on a formula simplification. DAG size of input: 193 DAG size of output: 121 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 03:46:55,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:46:55,067 INFO L93 Difference]: Finished difference Result 433 states and 495 transitions. [2022-11-23 03:46:55,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-11-23 03:46:55,067 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.088235294117647) internal successors, (71), 34 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-11-23 03:46:55,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:46:55,069 INFO L225 Difference]: With dead ends: 433 [2022-11-23 03:46:55,069 INFO L226 Difference]: Without dead ends: 236 [2022-11-23 03:46:55,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2175 ImplicationChecksByTransitivity, 219.0s TimeCoverageRelationStatistics Valid=1400, Invalid=6256, Unknown=0, NotChecked=0, Total=7656 [2022-11-23 03:46:55,072 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 588 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 857 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.8s IncrementalHoareTripleChecker+Time [2022-11-23 03:46:55,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [588 Valid, 307 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 857 Invalid, 0 Unknown, 0 Unchecked, 24.8s Time] [2022-11-23 03:46:55,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2022-11-23 03:46:55,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 136. [2022-11-23 03:46:55,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 135 states have (on average 1.2074074074074075) internal successors, (163), 135 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:46:55,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 163 transitions. [2022-11-23 03:46:55,110 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 163 transitions. Word has length 38 [2022-11-23 03:46:55,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:46:55,110 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 163 transitions. [2022-11-23 03:46:55,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.088235294117647) internal successors, (71), 34 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:46:55,111 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 163 transitions. [2022-11-23 03:46:55,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-23 03:46:55,111 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:46:55,111 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:46:55,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-23 03:46:55,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:46:55,314 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:46:55,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:46:55,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1096318795, now seen corresponding path program 3 times [2022-11-23 03:46:55,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:46:55,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299118329] [2022-11-23 03:46:55,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:46:55,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:46:55,338 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 03:46:55,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [527172088] [2022-11-23 03:46:55,339 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 03:46:55,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:46:55,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:46:55,340 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:46:55,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-23 03:46:56,066 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-11-23 03:46:56,066 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 03:46:56,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 03:46:56,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:46:56,249 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 35 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:46:56,250 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 03:46:56,429 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 35 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:46:56,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:46:56,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299118329] [2022-11-23 03:46:56,429 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 03:46:56,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527172088] [2022-11-23 03:46:56,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527172088] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 03:46:56,430 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 03:46:56,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 18 [2022-11-23 03:46:56,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608636780] [2022-11-23 03:46:56,430 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 03:46:56,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-23 03:46:56,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:46:56,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-23 03:46:56,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2022-11-23 03:46:56,432 INFO L87 Difference]: Start difference. First operand 136 states and 163 transitions. Second operand has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:46:56,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:46:56,952 INFO L93 Difference]: Finished difference Result 274 states and 310 transitions. [2022-11-23 03:46:56,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 03:46:56,952 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-11-23 03:46:56,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:46:56,955 INFO L225 Difference]: With dead ends: 274 [2022-11-23 03:46:56,955 INFO L226 Difference]: Without dead ends: 206 [2022-11-23 03:46:56,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 54 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=203, Invalid=553, Unknown=0, NotChecked=0, Total=756 [2022-11-23 03:46:56,957 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 254 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 03:46:56,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 126 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 03:46:56,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-11-23 03:46:57,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 155. [2022-11-23 03:46:57,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.155844155844156) internal successors, (178), 154 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:46:57,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 178 transitions. [2022-11-23 03:46:57,020 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 178 transitions. Word has length 39 [2022-11-23 03:46:57,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:46:57,021 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 178 transitions. [2022-11-23 03:46:57,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:46:57,021 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 178 transitions. [2022-11-23 03:46:57,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-23 03:46:57,022 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:46:57,022 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:46:57,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-23 03:46:57,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:46:57,236 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:46:57,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:46:57,236 INFO L85 PathProgramCache]: Analyzing trace with hash -734671131, now seen corresponding path program 4 times [2022-11-23 03:46:57,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:46:57,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464334735] [2022-11-23 03:46:57,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:46:57,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:46:57,278 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 03:46:57,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [772698637] [2022-11-23 03:46:57,284 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-23 03:46:57,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:46:57,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:46:57,287 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:46:57,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-23 03:46:58,429 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-23 03:46:58,430 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 03:46:58,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-23 03:46:58,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:46:58,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 03:46:58,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 50 [2022-11-23 03:46:58,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:46:58,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:46:58,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 100 [2022-11-23 03:46:58,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 50 [2022-11-23 03:46:58,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:46:58,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:46:58,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 100 [2022-11-23 03:46:58,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:46:58,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:46:58,729 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 73 treesize of output 24 [2022-11-23 03:46:58,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 50 [2022-11-23 03:46:58,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:46:58,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:46:58,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 100 [2022-11-23 03:46:58,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:46:58,869 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 21 treesize of output 20 [2022-11-23 03:46:58,938 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 60 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 03:46:58,938 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 03:47:00,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 54 treesize of output 52 [2022-11-23 03:47:01,604 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-23 03:47:01,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:47:01,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464334735] [2022-11-23 03:47:01,605 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 03:47:01,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772698637] [2022-11-23 03:47:01,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772698637] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 03:47:01,605 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 03:47:01,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2022-11-23 03:47:01,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605512775] [2022-11-23 03:47:01,606 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 03:47:01,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-23 03:47:01,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:47:01,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-23 03:47:01,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=502, Unknown=0, NotChecked=0, Total=650 [2022-11-23 03:47:01,608 INFO L87 Difference]: Start difference. First operand 155 states and 178 transitions. Second operand has 26 states, 26 states have (on average 2.576923076923077) internal successors, (67), 26 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:47:04,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:47:04,361 INFO L93 Difference]: Finished difference Result 446 states and 518 transitions. [2022-11-23 03:47:04,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-23 03:47:04,362 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 2.576923076923077) internal successors, (67), 26 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2022-11-23 03:47:04,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:47:04,363 INFO L225 Difference]: With dead ends: 446 [2022-11-23 03:47:04,363 INFO L226 Difference]: Without dead ends: 298 [2022-11-23 03:47:04,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 640 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=568, Invalid=1882, Unknown=0, NotChecked=0, Total=2450 [2022-11-23 03:47:04,365 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 382 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-23 03:47:04,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 274 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-23 03:47:04,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2022-11-23 03:47:04,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 189. [2022-11-23 03:47:04,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 188 states have (on average 1.1648936170212767) internal successors, (219), 188 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:47:04,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 219 transitions. [2022-11-23 03:47:04,415 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 219 transitions. Word has length 42 [2022-11-23 03:47:04,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:47:04,415 INFO L495 AbstractCegarLoop]: Abstraction has 189 states and 219 transitions. [2022-11-23 03:47:04,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.576923076923077) internal successors, (67), 26 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:47:04,415 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 219 transitions. [2022-11-23 03:47:04,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-23 03:47:04,416 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:47:04,416 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:47:04,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-23 03:47:04,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:47:04,617 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:47:04,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:47:04,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1500733880, now seen corresponding path program 5 times [2022-11-23 03:47:04,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:47:04,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401828794] [2022-11-23 03:47:04,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:47:04,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:47:04,649 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 03:47:04,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [651093028] [2022-11-23 03:47:04,649 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-23 03:47:04,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:47:04,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:47:04,651 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:47:04,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-23 03:47:05,505 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-11-23 03:47:05,505 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 03:47:05,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 03:47:05,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:47:05,677 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 31 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 03:47:05,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 03:47:05,803 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 24 proven. 33 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 03:47:05,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:47:05,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401828794] [2022-11-23 03:47:05,804 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 03:47:05,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651093028] [2022-11-23 03:47:05,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651093028] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 03:47:05,804 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 03:47:05,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 18 [2022-11-23 03:47:05,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696468515] [2022-11-23 03:47:05,805 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 03:47:05,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-23 03:47:05,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:47:05,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-23 03:47:05,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2022-11-23 03:47:05,806 INFO L87 Difference]: Start difference. First operand 189 states and 219 transitions. Second operand has 18 states, 18 states have (on average 3.0) internal successors, (54), 18 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:47:06,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:47:06,476 INFO L93 Difference]: Finished difference Result 358 states and 412 transitions. [2022-11-23 03:47:06,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 03:47:06,476 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.0) internal successors, (54), 18 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2022-11-23 03:47:06,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:47:06,478 INFO L225 Difference]: With dead ends: 358 [2022-11-23 03:47:06,478 INFO L226 Difference]: Without dead ends: 176 [2022-11-23 03:47:06,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 67 SyntacticMatches, 6 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=209, Invalid=603, Unknown=0, NotChecked=0, Total=812 [2022-11-23 03:47:06,480 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 167 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 03:47:06,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 169 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 03:47:06,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2022-11-23 03:47:06,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 124. [2022-11-23 03:47:06,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 123 states have (on average 1.1056910569105691) internal successors, (136), 123 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:47:06,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 136 transitions. [2022-11-23 03:47:06,535 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 136 transitions. Word has length 43 [2022-11-23 03:47:06,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:47:06,535 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 136 transitions. [2022-11-23 03:47:06,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.0) internal successors, (54), 18 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:47:06,536 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 136 transitions. [2022-11-23 03:47:06,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-23 03:47:06,536 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:47:06,536 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:47:06,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-23 03:47:06,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:47:06,744 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:47:06,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:47:06,744 INFO L85 PathProgramCache]: Analyzing trace with hash 506079451, now seen corresponding path program 6 times [2022-11-23 03:47:06,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:47:06,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960265795] [2022-11-23 03:47:06,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:47:06,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:47:06,790 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 03:47:06,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1977798516] [2022-11-23 03:47:06,790 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-23 03:47:06,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:47:06,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:47:06,805 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:47:06,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-23 03:47:16,401 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2022-11-23 03:47:16,401 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 03:47:16,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 80 conjunts are in the unsatisfiable core [2022-11-23 03:47:16,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:47:16,473 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 [2022-11-23 03:47:16,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 03:47:16,613 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 57 treesize of output 50 [2022-11-23 03:47:16,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:16,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:16,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 100 [2022-11-23 03:47:16,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:16,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:16,650 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 65 treesize of output 20 [2022-11-23 03:47:16,730 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 57 treesize of output 50 [2022-11-23 03:47:16,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:16,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:16,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 100 [2022-11-23 03:47:16,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:16,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:16,783 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 73 treesize of output 24 [2022-11-23 03:47:16,864 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 57 treesize of output 50 [2022-11-23 03:47:16,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:16,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:16,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 100 [2022-11-23 03:47:16,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:16,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:16,892 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 67 treesize of output 17 [2022-11-23 03:47:17,023 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 57 treesize of output 50 [2022-11-23 03:47:17,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:17,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:17,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 100 [2022-11-23 03:47:17,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:17,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:17,068 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 73 treesize of output 24 [2022-11-23 03:47:17,233 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 19 treesize of output 18 [2022-11-23 03:47:17,395 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-23 03:47:17,396 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 139 treesize of output 127 [2022-11-23 03:47:17,401 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 03:47:17,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:17,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:17,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:17,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:17,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 194 [2022-11-23 03:47:17,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:17,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:17,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:17,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 42 [2022-11-23 03:47:17,656 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-23 03:47:17,656 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 99 treesize of output 91 [2022-11-23 03:47:17,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:17,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:17,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:17,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 157 [2022-11-23 03:47:17,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:17,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:17,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:17,694 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 98 treesize of output 56 [2022-11-23 03:47:17,864 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-23 03:47:17,864 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 79 treesize of output 71 [2022-11-23 03:47:17,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:17,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:17,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:17,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:17,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 123 [2022-11-23 03:47:17,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:17,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:17,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:17,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:17,913 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 83 treesize of output 27 [2022-11-23 03:47:18,086 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-23 03:47:18,086 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 79 treesize of output 71 [2022-11-23 03:47:18,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:18,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:18,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:18,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:18,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 123 [2022-11-23 03:47:18,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:18,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:47:18,143 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 73 treesize of output 24 [2022-11-23 03:47:18,515 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-23 03:47:18,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 32 [2022-11-23 03:47:18,537 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:47:18,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 03:47:23,836 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:47:23,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:47:23,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960265795] [2022-11-23 03:47:23,836 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 03:47:23,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977798516] [2022-11-23 03:47:23,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977798516] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 03:47:23,836 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 03:47:23,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 28] total 49 [2022-11-23 03:47:23,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231771627] [2022-11-23 03:47:23,837 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 03:47:23,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-11-23 03:47:23,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:47:23,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-11-23 03:47:23,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=457, Invalid=1895, Unknown=0, NotChecked=0, Total=2352 [2022-11-23 03:47:23,839 INFO L87 Difference]: Start difference. First operand 124 states and 136 transitions. Second operand has 49 states, 49 states have (on average 1.836734693877551) internal successors, (90), 49 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:47:34,974 WARN L233 SmtUtils]: Spent 5.70s on a formula simplification. DAG size of input: 180 DAG size of output: 155 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 03:48:04,212 WARN L233 SmtUtils]: Spent 12.22s on a formula simplification. DAG size of input: 213 DAG size of output: 185 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 03:48:24,635 WARN L233 SmtUtils]: Spent 8.25s on a formula simplification. DAG size of input: 210 DAG size of output: 182 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 03:48:35,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:48:35,364 INFO L93 Difference]: Finished difference Result 229 states and 248 transitions. [2022-11-23 03:48:35,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-11-23 03:48:35,365 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 1.836734693877551) internal successors, (90), 49 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2022-11-23 03:48:35,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:48:35,366 INFO L225 Difference]: With dead ends: 229 [2022-11-23 03:48:35,367 INFO L226 Difference]: Without dead ends: 198 [2022-11-23 03:48:35,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 37 SyntacticMatches, 6 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5799 ImplicationChecksByTransitivity, 72.1s TimeCoverageRelationStatistics Valid=3373, Invalid=14986, Unknown=1, NotChecked=0, Total=18360 [2022-11-23 03:48:35,372 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 857 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 1386 mSolverCounterSat, 529 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 1915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 529 IncrementalHoareTripleChecker+Valid, 1386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-23 03:48:35,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 441 Invalid, 1915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [529 Valid, 1386 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-11-23 03:48:35,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2022-11-23 03:48:35,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 135. [2022-11-23 03:48:35,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 134 states have (on average 1.0895522388059702) internal successors, (146), 134 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:48:35,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 146 transitions. [2022-11-23 03:48:35,433 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 146 transitions. Word has length 46 [2022-11-23 03:48:35,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:48:35,434 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 146 transitions. [2022-11-23 03:48:35,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 1.836734693877551) internal successors, (90), 49 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:48:35,434 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2022-11-23 03:48:35,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-23 03:48:35,435 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:48:35,435 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:48:35,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-23 03:48:35,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-23 03:48:35,636 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:48:35,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:48:35,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1846236060, now seen corresponding path program 7 times [2022-11-23 03:48:35,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:48:35,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980469829] [2022-11-23 03:48:35,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:48:35,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:48:35,670 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 03:48:35,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1356331480] [2022-11-23 03:48:35,670 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-23 03:48:35,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:48:35,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:48:35,672 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:48:35,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98e2525-50f6-40d4-bdcc-5357456bbff4/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-23 03:48:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:48:36,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 72 conjunts are in the unsatisfiable core [2022-11-23 03:48:36,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:48:36,102 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 [2022-11-23 03:48:36,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 03:48:36,212 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 110 treesize of output 99 [2022-11-23 03:48:36,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 03:48:36,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:36,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:36,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:36,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 172 [2022-11-23 03:48:36,401 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 125 treesize of output 110 [2022-11-23 03:48:36,406 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 03:48:36,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:36,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:36,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:36,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:36,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:36,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:36,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 187 [2022-11-23 03:48:36,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:36,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:36,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:36,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 49 [2022-11-23 03:48:36,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:36,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:36,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:36,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2022-11-23 03:48:36,980 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-23 03:48:36,980 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 169 treesize of output 151 [2022-11-23 03:48:36,988 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 03:48:36,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:36,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:36,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:36,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:36,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 197 [2022-11-23 03:48:37,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:37,104 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 118 treesize of output 59 [2022-11-23 03:48:37,462 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-23 03:48:37,463 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 232 treesize of output 206 [2022-11-23 03:48:37,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:37,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:37,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:37,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:37,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 254 [2022-11-23 03:48:37,586 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 03:48:37,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 03:48:37,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:37,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:37,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:37,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:37,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 03:48:37,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:37,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:37,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 03:48:37,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 03:48:37,953 INFO L321 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2022-11-23 03:48:37,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 109 treesize of output 92 [2022-11-23 03:48:38,938 INFO L321 Elim1Store]: treesize reduction 29, result has 12.1 percent of original size [2022-11-23 03:48:38,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 110 treesize of output 54 [2022-11-23 03:48:38,981 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:48:38,982 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 03:48:49,682 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse34 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse32 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse33 (* .cse34 8))) (let ((.cse11 (+ .cse33 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse12 (<= .cse34 2147483647)) (.cse3 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse6 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse7 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse9 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse18 (+ .cse33 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse10 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse19 (* 8 .cse32)) (.cse20 (<= .cse32 2147483647))) (and (or (let ((.cse0 (+ (select .cse10 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse19)) 8))) (and (forall ((v_ArrVal_571 Int)) (or (not (<= .cse0 v_ArrVal_571)) (= (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse10 .cse11 v_ArrVal_571)))) (let ((.cse8 (store (select .cse1 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse4 (select (select (store .cse1 |c_ULTIMATE.start_main_~b~0#1.base| .cse8) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse2 (store .cse8 .cse9 (+ .cse4 1)))) (let ((.cse5 (select (select (store .cse1 |c_ULTIMATE.start_main_~b~0#1.base| .cse2) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ (select (select (store .cse1 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse2 .cse3 (+ .cse4 .cse5 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse4 .cse5)))))) 48))) (or .cse12 (forall ((v_ArrVal_571 Int)) (or (not (<= .cse0 v_ArrVal_571)) (= 48 (let ((.cse15 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse10 .cse18 v_ArrVal_571)))) (let ((.cse17 (store (select .cse15 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse14 (select (select (store .cse15 |c_ULTIMATE.start_main_~b~0#1.base| .cse17) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse16 (store .cse17 .cse9 (+ .cse14 1)))) (let ((.cse13 (select (select (store .cse15 |c_ULTIMATE.start_main_~b~0#1.base| .cse16) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ .cse13 .cse14 (select (select (store .cse15 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse16 .cse3 (+ .cse13 .cse14 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))))))))))))) .cse20) (or (let ((.cse21 (+ 8 (select .cse10 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse19))))) (and (forall ((v_ArrVal_571 Int)) (or (not (<= .cse21 v_ArrVal_571)) (= (let ((.cse22 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse10 .cse11 v_ArrVal_571)))) (let ((.cse26 (store (select .cse22 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse24 (select (select (store .cse22 |c_ULTIMATE.start_main_~b~0#1.base| .cse26) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse23 (store .cse26 .cse9 (+ .cse24 1)))) (let ((.cse25 (select (select (store .cse22 |c_ULTIMATE.start_main_~b~0#1.base| .cse23) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ (select (select (store .cse22 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse23 .cse3 (+ .cse24 .cse25 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6) .cse24 .cse25)))))) 48))) (or .cse12 (forall ((v_ArrVal_571 Int)) (or (not (<= .cse21 v_ArrVal_571)) (= 48 (let ((.cse29 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse10 .cse18 v_ArrVal_571)))) (let ((.cse31 (store (select .cse29 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse28 (select (select (store .cse29 |c_ULTIMATE.start_main_~b~0#1.base| .cse31) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse30 (store .cse31 .cse9 (+ .cse28 1)))) (let ((.cse27 (select (select (store .cse29 |c_ULTIMATE.start_main_~b~0#1.base| .cse30) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))) (+ .cse27 .cse28 (select (select (store .cse29 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse30 .cse3 (+ .cse27 .cse28 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))))))))))))) (not .cse20)))))) is different from false [2022-11-23 03:48:52,353 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse34 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse32 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse33 (* .cse34 8))) (let ((.cse19 (+ .cse33 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse1 (<= .cse34 2147483647)) (.cse6 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse7 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse8 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse10 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse12 (+ .cse33 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse11 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse20 (* .cse32 8)) (.cse0 (<= .cse32 2147483647))) (and (or (not .cse0) (let ((.cse13 (+ 8 (select .cse11 (+ .cse20 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (and (or .cse1 (forall ((v_ArrVal_571 Int)) (or (= 48 (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse11 .cse12 v_ArrVal_571)))) (let ((.cse9 (store (select .cse4 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse2 (select (select (store .cse4 |c_ULTIMATE.start_main_~b~0#1.base| .cse9) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse5 (store .cse9 .cse10 (+ .cse2 1)))) (let ((.cse3 (select (select (store .cse4 |c_ULTIMATE.start_main_~b~0#1.base| .cse5) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8))) (+ .cse2 .cse3 (select (select (store .cse4 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse5 .cse6 (+ .cse2 .cse3 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7)))))))) (not (<= .cse13 v_ArrVal_571))))) (forall ((v_ArrVal_571 Int)) (or (not (<= .cse13 v_ArrVal_571)) (= (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse11 .cse19 v_ArrVal_571)))) (let ((.cse18 (store (select .cse14 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse16 (select (select (store .cse14 |c_ULTIMATE.start_main_~b~0#1.base| .cse18) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse15 (store .cse18 .cse10 (+ .cse16 1)))) (let ((.cse17 (select (select (store .cse14 |c_ULTIMATE.start_main_~b~0#1.base| .cse15) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8))) (+ (select (select (store .cse14 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse15 .cse6 (+ .cse16 .cse17 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7) .cse16 .cse17)))))) 48)))))) (or (let ((.cse21 (+ 8 (select .cse11 (+ .cse20 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))) (and (forall ((v_ArrVal_571 Int)) (or (not (<= .cse21 v_ArrVal_571)) (= (let ((.cse22 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse11 .cse19 v_ArrVal_571)))) (let ((.cse26 (store (select .cse22 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse24 (select (select (store .cse22 |c_ULTIMATE.start_main_~b~0#1.base| .cse26) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse23 (store .cse26 .cse10 (+ .cse24 1)))) (let ((.cse25 (select (select (store .cse22 |c_ULTIMATE.start_main_~b~0#1.base| .cse23) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8))) (+ (select (select (store .cse22 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse23 .cse6 (+ .cse24 .cse25 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7) .cse24 .cse25)))))) 48))) (or .cse1 (forall ((v_ArrVal_571 Int)) (or (= 48 (let ((.cse29 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse11 .cse12 v_ArrVal_571)))) (let ((.cse31 (store (select .cse29 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse27 (select (select (store .cse29 |c_ULTIMATE.start_main_~b~0#1.base| .cse31) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse30 (store .cse31 .cse10 (+ .cse27 1)))) (let ((.cse28 (select (select (store .cse29 |c_ULTIMATE.start_main_~b~0#1.base| .cse30) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8))) (+ .cse27 .cse28 (select (select (store .cse29 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse30 .cse6 (+ .cse27 .cse28 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7)))))))) (not (<= .cse21 v_ArrVal_571))))))) .cse0))))) is different from false [2022-11-23 03:48:55,660 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse62 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse61 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse60 (* .cse61 8)) (.cse59 (* .cse62 8)) (.cse1 (<= .cse62 2147483647)) (.cse58 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse0 (<= .cse58 2147483647)) (.cse23 (not .cse1)) (.cse36 (+ .cse59 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse24 (<= .cse61 2147483647)) (.cse19 (+ .cse60 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse5 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse7 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse8 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse10 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse12 (+ .cse60 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse21 (+ .cse59 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse20 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse38 (* 8 .cse58))) (and (or (not .cse0) (let ((.cse37 (select .cse20 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse38)))) (let ((.cse13 (+ 16 .cse37)) (.cse22 (+ 8 .cse37))) (and (or .cse1 (let ((.cse11 (store .cse20 .cse21 .cse22))) (and (forall ((v_ArrVal_571 Int)) (or (= (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse11 .cse12 v_ArrVal_571)))) (let ((.cse9 (store (select .cse3 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse2 (select (select (store .cse3 |c_ULTIMATE.start_main_~b~0#1.base| .cse9) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse4 (store .cse9 .cse10 (+ .cse2 1)))) (let ((.cse6 (select (select (store .cse3 |c_ULTIMATE.start_main_~b~0#1.base| .cse4) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8))) (+ .cse2 (select (select (store .cse3 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse4 .cse5 (+ .cse2 .cse6 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7) .cse6)))))) 48) (not (<= .cse13 v_ArrVal_571)))) (forall ((v_ArrVal_571 Int)) (or (= (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse11 .cse19 v_ArrVal_571)))) (let ((.cse18 (store (select .cse14 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse16 (select (select (store .cse14 |c_ULTIMATE.start_main_~b~0#1.base| .cse18) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse15 (store .cse18 .cse10 (+ .cse16 1)))) (let ((.cse17 (select (select (store .cse14 |c_ULTIMATE.start_main_~b~0#1.base| .cse15) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8))) (+ (select (select (store .cse14 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse15 .cse5 (+ .cse16 .cse17 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7) .cse16 .cse17)))))) 48) (not (<= .cse13 v_ArrVal_571))))))) (or .cse23 (let ((.cse30 (store .cse20 .cse36 .cse22))) (and (or .cse24 (forall ((v_ArrVal_571 Int)) (or (= 48 (let ((.cse25 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse30 .cse19 v_ArrVal_571)))) (let ((.cse29 (store (select .cse25 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse27 (select (select (store .cse25 |c_ULTIMATE.start_main_~b~0#1.base| .cse29) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse26 (store .cse29 .cse10 (+ .cse27 1)))) (let ((.cse28 (select (select (store .cse25 |c_ULTIMATE.start_main_~b~0#1.base| .cse26) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8))) (+ (select (select (store .cse25 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse26 .cse5 (+ .cse27 .cse28 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7) .cse27 .cse28))))))) (not (<= .cse13 v_ArrVal_571))))) (forall ((v_ArrVal_571 Int)) (or (= (let ((.cse31 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse30 .cse12 v_ArrVal_571)))) (let ((.cse35 (store (select .cse31 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse34 (select (select (store .cse31 |c_ULTIMATE.start_main_~b~0#1.base| .cse35) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse32 (store .cse35 .cse10 (+ .cse34 1)))) (let ((.cse33 (select (select (store .cse31 |c_ULTIMATE.start_main_~b~0#1.base| .cse32) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8))) (+ (select (select (store .cse31 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse32 .cse5 (+ .cse33 .cse34 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7) .cse33 .cse34)))))) 48) (not (<= .cse13 v_ArrVal_571))))))))))) (or .cse0 (let ((.cse57 (select .cse20 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse38)))) (let ((.cse39 (+ .cse57 16)) (.cse45 (+ .cse57 8))) (and (or .cse23 (forall ((v_ArrVal_571 Int)) (or (not (<= .cse39 v_ArrVal_571)) (= 48 (let ((.cse42 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store .cse20 .cse36 .cse45) .cse12 v_ArrVal_571)))) (let ((.cse44 (store (select .cse42 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse40 (select (select (store .cse42 |c_ULTIMATE.start_main_~b~0#1.base| .cse44) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse43 (store .cse44 .cse10 (+ .cse40 1)))) (let ((.cse41 (select (select (store .cse42 |c_ULTIMATE.start_main_~b~0#1.base| .cse43) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8))) (+ .cse40 .cse41 (select (select (store .cse42 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse43 .cse5 (+ .cse40 .cse41 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))))))))))) (or .cse1 (let ((.cse51 (store .cse20 .cse21 .cse45))) (and (or .cse24 (forall ((v_ArrVal_571 Int)) (or (= 48 (let ((.cse46 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse51 .cse19 v_ArrVal_571)))) (let ((.cse50 (store (select .cse46 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse48 (select (select (store .cse46 |c_ULTIMATE.start_main_~b~0#1.base| .cse50) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse47 (store .cse50 .cse10 (+ 1 .cse48)))) (let ((.cse49 (select (select (store .cse46 |c_ULTIMATE.start_main_~b~0#1.base| .cse47) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8))) (+ (select (select (store .cse46 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse47 .cse5 (+ 1 .cse48 .cse49))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7) .cse48 .cse49))))))) (not (<= .cse39 v_ArrVal_571))))) (forall ((v_ArrVal_571 Int)) (or (= 48 (let ((.cse53 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse51 .cse12 v_ArrVal_571)))) (let ((.cse56 (store (select .cse53 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse55 (select (select (store .cse53 |c_ULTIMATE.start_main_~b~0#1.base| .cse56) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse54 (store .cse56 .cse10 (+ .cse55 1)))) (let ((.cse52 (select (select (store .cse53 |c_ULTIMATE.start_main_~b~0#1.base| .cse54) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8))) (+ .cse52 (select (select (store .cse53 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse54 .cse5 (+ .cse52 .cse55 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7) .cse55))))))) (not (<= .cse39 v_ArrVal_571))))))))))))))) is different from false [2022-11-23 03:49:00,934 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse62 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse60 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse58 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse61 (* 8 .cse60)) (.cse24 (<= .cse62 2147483647)) (.cse59 (* .cse62 8))) (let ((.cse21 (+ .cse59 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse23 (not .cse24)) (.cse19 (+ .cse61 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse7 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse8 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse9 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse11 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse13 (+ .cse61 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse1 (<= .cse60 2147483647)) (.cse36 (+ .cse59 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse20 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse38 (* .cse58 8)) (.cse0 (<= .cse58 2147483647))) (and (or (not .cse0) (let ((.cse37 (select .cse20 (+ .cse38 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (let ((.cse2 (+ 16 .cse37)) (.cse22 (+ 8 .cse37))) (and (or (let ((.cse12 (store .cse20 .cse21 .cse22))) (and (or .cse1 (forall ((v_ArrVal_571 Int)) (or (not (<= .cse2 v_ArrVal_571)) (= (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse12 .cse13 v_ArrVal_571)))) (let ((.cse10 (store (select .cse5 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse4 (select (select (store .cse5 |c_ULTIMATE.start_main_~b~0#1.base| .cse10) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse6 (store .cse10 .cse11 (+ .cse4 1)))) (let ((.cse3 (select (select (store .cse5 |c_ULTIMATE.start_main_~b~0#1.base| .cse6) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))) (+ .cse3 .cse4 (select (select (store .cse5 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse6 .cse7 (+ .cse3 .cse4 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8))))))) 48)))) (forall ((v_ArrVal_571 Int)) (or (not (<= .cse2 v_ArrVal_571)) (= 48 (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse12 .cse19 v_ArrVal_571)))) (let ((.cse18 (store (select .cse14 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse16 (select (select (store .cse14 |c_ULTIMATE.start_main_~b~0#1.base| .cse18) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse15 (store .cse18 .cse11 (+ .cse16 1)))) (let ((.cse17 (select (select (store .cse14 |c_ULTIMATE.start_main_~b~0#1.base| .cse15) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))) (+ (select (select (store .cse14 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse15 .cse7 (+ .cse16 .cse17 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8) .cse16 .cse17))))))))))) .cse23) (or .cse24 (let ((.cse30 (store .cse20 .cse36 .cse22))) (and (forall ((v_ArrVal_571 Int)) (or (not (<= .cse2 v_ArrVal_571)) (= (let ((.cse25 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse30 .cse19 v_ArrVal_571)))) (let ((.cse29 (store (select .cse25 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse27 (select (select (store .cse25 |c_ULTIMATE.start_main_~b~0#1.base| .cse29) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse26 (store .cse29 .cse11 (+ .cse27 1)))) (let ((.cse28 (select (select (store .cse25 |c_ULTIMATE.start_main_~b~0#1.base| .cse26) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))) (+ (select (select (store .cse25 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse26 .cse7 (+ .cse27 1 .cse28))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8) .cse27 .cse28)))))) 48))) (forall ((v_ArrVal_571 Int)) (or (not (<= .cse2 v_ArrVal_571)) (= (let ((.cse33 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse30 .cse13 v_ArrVal_571)))) (let ((.cse35 (store (select .cse33 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse31 (select (select (store .cse33 |c_ULTIMATE.start_main_~b~0#1.base| .cse35) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse34 (store .cse35 .cse11 (+ .cse31 1)))) (let ((.cse32 (select (select (store .cse33 |c_ULTIMATE.start_main_~b~0#1.base| .cse34) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))) (+ .cse31 .cse32 (select (select (store .cse33 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse34 .cse7 (+ .cse31 .cse32 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8))))))) 48)))))))))) (or (let ((.cse57 (select .cse20 (+ .cse38 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))) (let ((.cse45 (+ 16 .cse57)) (.cse44 (+ 8 .cse57))) (and (or (forall ((v_ArrVal_571 Int)) (or (= (let ((.cse39 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store .cse20 .cse21 .cse44) .cse19 v_ArrVal_571)))) (let ((.cse43 (store (select .cse39 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse41 (select (select (store .cse39 |c_ULTIMATE.start_main_~b~0#1.base| .cse43) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse40 (store .cse43 .cse11 (+ .cse41 1)))) (let ((.cse42 (select (select (store .cse39 |c_ULTIMATE.start_main_~b~0#1.base| .cse40) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))) (+ (select (select (store .cse39 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse40 .cse7 (+ .cse41 .cse42 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8) .cse41 .cse42)))))) 48) (not (<= .cse45 v_ArrVal_571)))) .cse23) (or .cse24 (let ((.cse51 (store .cse20 .cse36 .cse44))) (and (forall ((v_ArrVal_571 Int)) (or (= 48 (let ((.cse48 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse51 .cse19 v_ArrVal_571)))) (let ((.cse50 (store (select .cse48 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse46 (select (select (store .cse48 |c_ULTIMATE.start_main_~b~0#1.base| .cse50) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse49 (store .cse50 .cse11 (+ .cse46 1)))) (let ((.cse47 (select (select (store .cse48 |c_ULTIMATE.start_main_~b~0#1.base| .cse49) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))) (+ .cse46 .cse47 (select (select (store .cse48 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse49 .cse7 (+ .cse46 .cse47 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8)))))))) (not (<= .cse45 v_ArrVal_571)))) (or (forall ((v_ArrVal_571 Int)) (or (= (let ((.cse53 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse51 .cse13 v_ArrVal_571)))) (let ((.cse56 (store (select .cse53 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse52 (select (select (store .cse53 |c_ULTIMATE.start_main_~b~0#1.base| .cse56) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse54 (store .cse56 .cse11 (+ .cse52 1)))) (let ((.cse55 (select (select (store .cse53 |c_ULTIMATE.start_main_~b~0#1.base| .cse54) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))) (+ .cse52 (select (select (store .cse53 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse54 .cse7 (+ .cse52 .cse55 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8) .cse55)))))) 48) (not (<= .cse45 v_ArrVal_571)))) .cse1))))))) .cse0))))) is different from false [2022-11-23 03:49:08,584 WARN L859 $PredicateComparison]: unable to prove that (or (= |c_ULTIMATE.start_main_~i~0#1| 0) (let ((.cse87 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse86 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse88 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse51 (<= .cse88 2147483647)) (.cse85 (* .cse88 8)) (.cse84 (* 8 .cse86)) (.cse83 (* .cse87 8)) (.cse23 (<= .cse87 2147483647)) (.cse82 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse55 (<= .cse82 2147483647)) (.cse24 (not .cse23)) (.cse52 (+ .cse83 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse17 (+ .cse84 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse32 (<= .cse86 2147483647)) (.cse21 (+ .cse85 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse3 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse5 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse6 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse8 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse39 (+ .cse85 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse10 (+ .cse84 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse25 (not .cse51)) (.cse19 (+ .cse83 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse18 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse54 (* 8 .cse82))) (and (or (let ((.cse53 (select .cse18 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse54)))) (let ((.cse11 (+ .cse53 24)) (.cse22 (+ 16 .cse53)) (.cse20 (+ 8 .cse53))) (and (or (let ((.cse9 (store (store .cse18 .cse19 .cse20) .cse21 .cse22))) (and (forall ((v_ArrVal_571 Int)) (or (= (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse9 .cse10 v_ArrVal_571)))) (let ((.cse7 (store (select .cse1 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse4 (select (select (store .cse1 |c_ULTIMATE.start_main_~b~0#1.base| .cse7) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse2 (store .cse7 .cse8 (+ .cse4 1)))) (let ((.cse0 (select (select (store .cse1 |c_ULTIMATE.start_main_~b~0#1.base| .cse2) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ .cse0 (select (select (store .cse1 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse2 .cse3 (+ .cse0 .cse4 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse4)))))) 48) (not (<= .cse11 v_ArrVal_571)))) (forall ((v_ArrVal_571 Int)) (or (= (let ((.cse12 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse9 .cse17 v_ArrVal_571)))) (let ((.cse16 (store (select .cse12 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse15 (select (select (store .cse12 |c_ULTIMATE.start_main_~b~0#1.base| .cse16) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse13 (store .cse16 .cse8 (+ .cse15 1)))) (let ((.cse14 (select (select (store .cse12 |c_ULTIMATE.start_main_~b~0#1.base| .cse13) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ (select (select (store .cse12 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse13 .cse3 (+ .cse14 .cse15 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse14 .cse15)))))) 48) (not (<= .cse11 v_ArrVal_571)))))) .cse23) (or .cse24 (let ((.cse38 (store .cse18 .cse52 .cse20))) (and (or .cse25 (let ((.cse31 (store .cse38 .cse39 .cse22))) (and (or (forall ((v_ArrVal_571 Int)) (or (= 48 (let ((.cse27 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse31 .cse17 v_ArrVal_571)))) (let ((.cse30 (store (select .cse27 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse26 (select (select (store .cse27 |c_ULTIMATE.start_main_~b~0#1.base| .cse30) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse28 (store .cse30 .cse8 (+ .cse26 1)))) (let ((.cse29 (select (select (store .cse27 |c_ULTIMATE.start_main_~b~0#1.base| .cse28) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ .cse26 (select (select (store .cse27 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse28 .cse3 (+ .cse26 .cse29 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse29))))))) (not (<= .cse11 v_ArrVal_571)))) .cse32) (forall ((v_ArrVal_571 Int)) (or (not (<= .cse11 v_ArrVal_571)) (= (let ((.cse35 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse31 .cse10 v_ArrVal_571)))) (let ((.cse37 (store (select .cse35 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse34 (select (select (store .cse35 |c_ULTIMATE.start_main_~b~0#1.base| .cse37) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse36 (store .cse37 .cse8 (+ .cse34 1)))) (let ((.cse33 (select (select (store .cse35 |c_ULTIMATE.start_main_~b~0#1.base| .cse36) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ .cse33 .cse34 (select (select (store .cse35 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse36 .cse3 (+ .cse33 .cse34 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))))))) 48)))))) (or (let ((.cse45 (store .cse38 .cse21 .cse22))) (and (forall ((v_ArrVal_571 Int)) (or (= (let ((.cse41 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse45 .cse17 v_ArrVal_571)))) (let ((.cse44 (store (select .cse41 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse43 (select (select (store .cse41 |c_ULTIMATE.start_main_~b~0#1.base| .cse44) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse42 (store .cse44 .cse8 (+ .cse43 1)))) (let ((.cse40 (select (select (store .cse41 |c_ULTIMATE.start_main_~b~0#1.base| .cse42) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ .cse40 (select (select (store .cse41 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse42 .cse3 (+ .cse40 .cse43 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse43)))))) 48) (not (<= .cse11 v_ArrVal_571)))) (forall ((v_ArrVal_571 Int)) (or (not (<= .cse11 v_ArrVal_571)) (= 48 (let ((.cse46 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse45 .cse10 v_ArrVal_571)))) (let ((.cse50 (store (select .cse46 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse48 (select (select (store .cse46 |c_ULTIMATE.start_main_~b~0#1.base| .cse50) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse47 (store .cse50 .cse8 (+ .cse48 1)))) (let ((.cse49 (select (select (store .cse46 |c_ULTIMATE.start_main_~b~0#1.base| .cse47) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ (select (select (store .cse46 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse47 .cse3 (+ .cse48 .cse49 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse48 .cse49))))))))))) .cse51))))))) (not .cse55)) (or .cse55 (let ((.cse81 (select .cse18 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse54)))) (let ((.cse62 (+ .cse81 16)) (.cse63 (+ .cse81 24)) (.cse61 (+ .cse81 8))) (and (or .cse24 (forall ((v_ArrVal_571 Int)) (or (= (let ((.cse56 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store .cse18 .cse52 .cse61) .cse39 .cse62) .cse10 v_ArrVal_571)))) (let ((.cse60 (store (select .cse56 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse59 (select (select (store .cse56 |c_ULTIMATE.start_main_~b~0#1.base| .cse60) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse57 (store .cse60 .cse8 (+ .cse59 1)))) (let ((.cse58 (select (select (store .cse56 |c_ULTIMATE.start_main_~b~0#1.base| .cse57) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ (select (select (store .cse56 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse57 .cse3 (+ .cse58 .cse59 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse58 .cse59)))))) 48) (not (<= .cse63 v_ArrVal_571))))) (or .cse23 (let ((.cse75 (store .cse18 .cse19 .cse61))) (and (or .cse51 (let ((.cse69 (store .cse75 .cse21 .cse62))) (and (forall ((v_ArrVal_571 Int)) (or (= (let ((.cse64 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse69 .cse10 v_ArrVal_571)))) (let ((.cse68 (store (select .cse64 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse67 (select (select (store .cse64 |c_ULTIMATE.start_main_~b~0#1.base| .cse68) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse65 (store .cse68 .cse8 (+ .cse67 1)))) (let ((.cse66 (select (select (store .cse64 |c_ULTIMATE.start_main_~b~0#1.base| .cse65) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ (select (select (store .cse64 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse65 .cse3 (+ .cse66 .cse67 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse66 .cse67)))))) 48) (not (<= .cse63 v_ArrVal_571)))) (or (forall ((v_ArrVal_571 Int)) (or (= (let ((.cse70 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse69 .cse17 v_ArrVal_571)))) (let ((.cse74 (store (select .cse70 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse72 (select (select (store .cse70 |c_ULTIMATE.start_main_~b~0#1.base| .cse74) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse71 (store .cse74 .cse8 (+ .cse72 1)))) (let ((.cse73 (select (select (store .cse70 |c_ULTIMATE.start_main_~b~0#1.base| .cse71) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ (select (select (store .cse70 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse71 .cse3 (+ .cse72 .cse73 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse72 .cse73)))))) 48) (not (<= .cse63 v_ArrVal_571)))) .cse32)))) (or (forall ((v_ArrVal_571 Int)) (or (= (let ((.cse78 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store .cse75 .cse39 .cse62) .cse10 v_ArrVal_571)))) (let ((.cse80 (store (select .cse78 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse77 (select (select (store .cse78 |c_ULTIMATE.start_main_~b~0#1.base| .cse80) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse79 (store .cse80 .cse8 (+ .cse77 1)))) (let ((.cse76 (select (select (store .cse78 |c_ULTIMATE.start_main_~b~0#1.base| .cse79) |c_ULTIMATE.start_main_~a~0#1.base|) .cse6))) (+ .cse76 .cse77 (select (select (store .cse78 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse79 .cse3 (+ .cse76 .cse77 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))))))) 48) (not (<= .cse63 v_ArrVal_571)))) .cse25))))))))))))) is different from true [2022-11-23 03:49:16,496 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse89 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (or (let ((.cse88 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse86 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse87 (mod .cse89 4294967296))) (let ((.cse82 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse18 (<= .cse87 2147483647)) (.cse85 (* .cse86 8)) (.cse40 (<= .cse88 2147483647)) (.cse84 (* 8 .cse88)) (.cse83 (* .cse87 8))) (let ((.cse41 (+ .cse83 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse38 (<= .cse86 2147483647)) (.cse15 (+ .cse84 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse19 (not .cse40)) (.cse37 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse85)) (.cse6 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse8 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse9 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse11 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse17 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse85)) (.cse39 (+ .cse84 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse13 (+ .cse83 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse1 (not .cse18)) (.cse12 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse43 (* .cse82 8)) (.cse0 (<= .cse82 2147483647))) (and (or .cse0 (let ((.cse42 (select .cse12 (+ .cse43 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))) (let ((.cse2 (+ .cse42 24)) (.cse16 (+ 16 .cse42)) (.cse14 (+ 8 .cse42))) (and (or .cse1 (forall ((v_ArrVal_571 Int)) (or (not (<= .cse2 v_ArrVal_571)) (= (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store .cse12 .cse13 .cse14) .cse15 .cse16) .cse17 v_ArrVal_571)))) (let ((.cse10 (store (select .cse4 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse7 (select (select (store .cse4 |c_ULTIMATE.start_main_~b~0#1.base| .cse10) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse5 (store .cse10 .cse11 (+ .cse7 1)))) (let ((.cse3 (select (select (store .cse4 |c_ULTIMATE.start_main_~b~0#1.base| .cse5) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))) (+ .cse3 (select (select (store .cse4 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse5 .cse6 (+ .cse3 .cse7 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8) .cse7)))))) 48)))) (or .cse18 (let ((.cse25 (store .cse12 .cse41 .cse14))) (and (or .cse19 (forall ((v_ArrVal_571 Int)) (or (not (<= .cse2 v_ArrVal_571)) (= (let ((.cse21 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store .cse25 .cse15 .cse16) .cse17 v_ArrVal_571)))) (let ((.cse24 (store (select .cse21 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse23 (select (select (store .cse21 |c_ULTIMATE.start_main_~b~0#1.base| .cse24) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse22 (store .cse24 .cse11 (+ .cse23 1)))) (let ((.cse20 (select (select (store .cse21 |c_ULTIMATE.start_main_~b~0#1.base| .cse22) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))) (+ .cse20 (select (select (store .cse21 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse22 .cse6 (+ .cse20 .cse23 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8) .cse23)))))) 48)))) (or (let ((.cse31 (store .cse25 .cse39 .cse16))) (and (forall ((v_ArrVal_571 Int)) (or (not (<= .cse2 v_ArrVal_571)) (= (let ((.cse27 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse31 .cse17 v_ArrVal_571)))) (let ((.cse30 (store (select .cse27 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse26 (select (select (store .cse27 |c_ULTIMATE.start_main_~b~0#1.base| .cse30) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse28 (store .cse30 .cse11 (+ .cse26 1)))) (let ((.cse29 (select (select (store .cse27 |c_ULTIMATE.start_main_~b~0#1.base| .cse28) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))) (+ .cse26 (select (select (store .cse27 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse28 .cse6 (+ .cse26 .cse29 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8) .cse29)))))) 48))) (or (forall ((v_ArrVal_571 Int)) (or (not (<= .cse2 v_ArrVal_571)) (= (let ((.cse32 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse31 .cse37 v_ArrVal_571)))) (let ((.cse36 (store (select .cse32 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse35 (select (select (store .cse32 |c_ULTIMATE.start_main_~b~0#1.base| .cse36) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse33 (store .cse36 .cse11 (+ .cse35 1)))) (let ((.cse34 (select (select (store .cse32 |c_ULTIMATE.start_main_~b~0#1.base| .cse33) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))) (+ (select (select (store .cse32 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse33 .cse6 (+ .cse34 .cse35 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8) .cse34 .cse35)))))) 48))) .cse38))) .cse40)))))))) (or (let ((.cse81 (select .cse12 (+ .cse43 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (let ((.cse50 (+ 24 .cse81)) (.cse57 (+ 16 .cse81)) (.cse56 (+ 8 .cse81))) (and (or .cse18 (let ((.cse49 (store (store .cse12 .cse41 .cse56) .cse39 .cse57))) (and (forall ((v_ArrVal_571 Int)) (or (= (let ((.cse44 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse49 .cse37 v_ArrVal_571)))) (let ((.cse48 (store (select .cse44 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse47 (select (select (store .cse44 |c_ULTIMATE.start_main_~b~0#1.base| .cse48) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse45 (store .cse48 .cse11 (+ 1 .cse47)))) (let ((.cse46 (select (select (store .cse44 |c_ULTIMATE.start_main_~b~0#1.base| .cse45) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))) (+ (select (select (store .cse44 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse45 .cse6 (+ .cse46 1 .cse47))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8) .cse46 .cse47)))))) 48) (not (<= .cse50 v_ArrVal_571)))) (forall ((v_ArrVal_571 Int)) (or (not (<= .cse50 v_ArrVal_571)) (= (let ((.cse51 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse49 .cse17 v_ArrVal_571)))) (let ((.cse55 (store (select .cse51 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse53 (select (select (store .cse51 |c_ULTIMATE.start_main_~b~0#1.base| .cse55) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse52 (store .cse55 .cse11 (+ .cse53 1)))) (let ((.cse54 (select (select (store .cse51 |c_ULTIMATE.start_main_~b~0#1.base| .cse52) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))) (+ (select (select (store .cse51 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse52 .cse6 (+ .cse53 .cse54 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8) .cse53 .cse54)))))) 48)))))) (or (let ((.cse69 (store .cse12 .cse13 .cse56))) (and (or (let ((.cse63 (store .cse69 .cse15 .cse57))) (and (or (forall ((v_ArrVal_571 Int)) (or (= 48 (let ((.cse60 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse63 .cse37 v_ArrVal_571)))) (let ((.cse62 (store (select .cse60 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse59 (select (select (store .cse60 |c_ULTIMATE.start_main_~b~0#1.base| .cse62) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse61 (store .cse62 .cse11 (+ .cse59 1)))) (let ((.cse58 (select (select (store .cse60 |c_ULTIMATE.start_main_~b~0#1.base| .cse61) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))) (+ .cse58 .cse59 (select (select (store .cse60 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse61 .cse6 (+ .cse58 .cse59 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8)))))))) (not (<= .cse50 v_ArrVal_571)))) .cse38) (forall ((v_ArrVal_571 Int)) (or (= (let ((.cse66 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse63 .cse17 v_ArrVal_571)))) (let ((.cse68 (store (select .cse66 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse65 (select (select (store .cse66 |c_ULTIMATE.start_main_~b~0#1.base| .cse68) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse67 (store .cse68 .cse11 (+ .cse65 1)))) (let ((.cse64 (select (select (store .cse66 |c_ULTIMATE.start_main_~b~0#1.base| .cse67) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))) (+ .cse64 .cse65 (select (select (store .cse66 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse67 .cse6 (+ .cse64 .cse65 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8))))))) 48) (not (<= .cse50 v_ArrVal_571)))))) .cse19) (or .cse40 (let ((.cse75 (store .cse69 .cse39 .cse57))) (and (forall ((v_ArrVal_571 Int)) (or (= (let ((.cse70 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse75 .cse37 v_ArrVal_571)))) (let ((.cse74 (store (select .cse70 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse72 (select (select (store .cse70 |c_ULTIMATE.start_main_~b~0#1.base| .cse74) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse71 (store .cse74 .cse11 (+ .cse72 1)))) (let ((.cse73 (select (select (store .cse70 |c_ULTIMATE.start_main_~b~0#1.base| .cse71) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))) (+ (select (select (store .cse70 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse71 .cse6 (+ .cse72 .cse73 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8) .cse72 .cse73)))))) 48) (not (<= .cse50 v_ArrVal_571)))) (forall ((v_ArrVal_571 Int)) (or (= 48 (let ((.cse76 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse75 .cse17 v_ArrVal_571)))) (let ((.cse80 (store (select .cse76 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse78 (select (select (store .cse76 |c_ULTIMATE.start_main_~b~0#1.base| .cse80) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse77 (store .cse80 .cse11 (+ .cse78 1)))) (let ((.cse79 (select (select (store .cse76 |c_ULTIMATE.start_main_~b~0#1.base| .cse77) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))) (+ (select (select (store .cse76 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse77 .cse6 (+ .cse78 .cse79 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8) .cse78 .cse79))))))) (not (<= .cse50 v_ArrVal_571))))))))) .cse1)))) (not .cse0)))))) (= .cse89 0))) is different from false [2022-11-23 03:49:18,507 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse89 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (or (let ((.cse88 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse86 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse87 (mod .cse89 4294967296))) (let ((.cse82 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse18 (<= .cse87 2147483647)) (.cse85 (* .cse86 8)) (.cse40 (<= .cse88 2147483647)) (.cse84 (* 8 .cse88)) (.cse83 (* .cse87 8))) (let ((.cse41 (+ .cse83 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse38 (<= .cse86 2147483647)) (.cse15 (+ .cse84 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse19 (not .cse40)) (.cse37 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse85)) (.cse6 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse8 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse9 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse11 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse17 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse85)) (.cse39 (+ .cse84 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse13 (+ .cse83 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse1 (not .cse18)) (.cse12 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse43 (* .cse82 8)) (.cse0 (<= .cse82 2147483647))) (and (or .cse0 (let ((.cse42 (select .cse12 (+ .cse43 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))) (let ((.cse2 (+ .cse42 24)) (.cse16 (+ 16 .cse42)) (.cse14 (+ 8 .cse42))) (and (or .cse1 (forall ((v_ArrVal_571 Int)) (or (not (<= .cse2 v_ArrVal_571)) (= (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store .cse12 .cse13 .cse14) .cse15 .cse16) .cse17 v_ArrVal_571)))) (let ((.cse10 (store (select .cse4 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse7 (select (select (store .cse4 |c_ULTIMATE.start_main_~b~0#1.base| .cse10) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse5 (store .cse10 .cse11 (+ .cse7 1)))) (let ((.cse3 (select (select (store .cse4 |c_ULTIMATE.start_main_~b~0#1.base| .cse5) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))) (+ .cse3 (select (select (store .cse4 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse5 .cse6 (+ .cse3 .cse7 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8) .cse7)))))) 48)))) (or .cse18 (let ((.cse25 (store .cse12 .cse41 .cse14))) (and (or .cse19 (forall ((v_ArrVal_571 Int)) (or (not (<= .cse2 v_ArrVal_571)) (= (let ((.cse21 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store .cse25 .cse15 .cse16) .cse17 v_ArrVal_571)))) (let ((.cse24 (store (select .cse21 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse23 (select (select (store .cse21 |c_ULTIMATE.start_main_~b~0#1.base| .cse24) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse22 (store .cse24 .cse11 (+ .cse23 1)))) (let ((.cse20 (select (select (store .cse21 |c_ULTIMATE.start_main_~b~0#1.base| .cse22) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))) (+ .cse20 (select (select (store .cse21 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse22 .cse6 (+ .cse20 .cse23 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8) .cse23)))))) 48)))) (or (let ((.cse31 (store .cse25 .cse39 .cse16))) (and (forall ((v_ArrVal_571 Int)) (or (not (<= .cse2 v_ArrVal_571)) (= (let ((.cse27 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse31 .cse17 v_ArrVal_571)))) (let ((.cse30 (store (select .cse27 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse26 (select (select (store .cse27 |c_ULTIMATE.start_main_~b~0#1.base| .cse30) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse28 (store .cse30 .cse11 (+ .cse26 1)))) (let ((.cse29 (select (select (store .cse27 |c_ULTIMATE.start_main_~b~0#1.base| .cse28) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))) (+ .cse26 (select (select (store .cse27 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse28 .cse6 (+ .cse26 .cse29 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8) .cse29)))))) 48))) (or (forall ((v_ArrVal_571 Int)) (or (not (<= .cse2 v_ArrVal_571)) (= (let ((.cse32 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse31 .cse37 v_ArrVal_571)))) (let ((.cse36 (store (select .cse32 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse35 (select (select (store .cse32 |c_ULTIMATE.start_main_~b~0#1.base| .cse36) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse33 (store .cse36 .cse11 (+ .cse35 1)))) (let ((.cse34 (select (select (store .cse32 |c_ULTIMATE.start_main_~b~0#1.base| .cse33) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))) (+ (select (select (store .cse32 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse33 .cse6 (+ .cse34 .cse35 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8) .cse34 .cse35)))))) 48))) .cse38))) .cse40)))))))) (or (let ((.cse81 (select .cse12 (+ .cse43 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (let ((.cse50 (+ 24 .cse81)) (.cse57 (+ 16 .cse81)) (.cse56 (+ 8 .cse81))) (and (or .cse18 (let ((.cse49 (store (store .cse12 .cse41 .cse56) .cse39 .cse57))) (and (forall ((v_ArrVal_571 Int)) (or (= (let ((.cse44 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse49 .cse37 v_ArrVal_571)))) (let ((.cse48 (store (select .cse44 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse47 (select (select (store .cse44 |c_ULTIMATE.start_main_~b~0#1.base| .cse48) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse45 (store .cse48 .cse11 (+ 1 .cse47)))) (let ((.cse46 (select (select (store .cse44 |c_ULTIMATE.start_main_~b~0#1.base| .cse45) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))) (+ (select (select (store .cse44 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse45 .cse6 (+ .cse46 1 .cse47))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8) .cse46 .cse47)))))) 48) (not (<= .cse50 v_ArrVal_571)))) (forall ((v_ArrVal_571 Int)) (or (not (<= .cse50 v_ArrVal_571)) (= (let ((.cse51 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse49 .cse17 v_ArrVal_571)))) (let ((.cse55 (store (select .cse51 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse53 (select (select (store .cse51 |c_ULTIMATE.start_main_~b~0#1.base| .cse55) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse52 (store .cse55 .cse11 (+ .cse53 1)))) (let ((.cse54 (select (select (store .cse51 |c_ULTIMATE.start_main_~b~0#1.base| .cse52) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))) (+ (select (select (store .cse51 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse52 .cse6 (+ .cse53 .cse54 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8) .cse53 .cse54)))))) 48)))))) (or (let ((.cse69 (store .cse12 .cse13 .cse56))) (and (or (let ((.cse63 (store .cse69 .cse15 .cse57))) (and (or (forall ((v_ArrVal_571 Int)) (or (= 48 (let ((.cse60 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse63 .cse37 v_ArrVal_571)))) (let ((.cse62 (store (select .cse60 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse59 (select (select (store .cse60 |c_ULTIMATE.start_main_~b~0#1.base| .cse62) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse61 (store .cse62 .cse11 (+ .cse59 1)))) (let ((.cse58 (select (select (store .cse60 |c_ULTIMATE.start_main_~b~0#1.base| .cse61) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))) (+ .cse58 .cse59 (select (select (store .cse60 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse61 .cse6 (+ .cse58 .cse59 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8)))))))) (not (<= .cse50 v_ArrVal_571)))) .cse38) (forall ((v_ArrVal_571 Int)) (or (= (let ((.cse66 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse63 .cse17 v_ArrVal_571)))) (let ((.cse68 (store (select .cse66 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse65 (select (select (store .cse66 |c_ULTIMATE.start_main_~b~0#1.base| .cse68) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse67 (store .cse68 .cse11 (+ .cse65 1)))) (let ((.cse64 (select (select (store .cse66 |c_ULTIMATE.start_main_~b~0#1.base| .cse67) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))) (+ .cse64 .cse65 (select (select (store .cse66 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse67 .cse6 (+ .cse64 .cse65 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8))))))) 48) (not (<= .cse50 v_ArrVal_571)))))) .cse19) (or .cse40 (let ((.cse75 (store .cse69 .cse39 .cse57))) (and (forall ((v_ArrVal_571 Int)) (or (= (let ((.cse70 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse75 .cse37 v_ArrVal_571)))) (let ((.cse74 (store (select .cse70 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse72 (select (select (store .cse70 |c_ULTIMATE.start_main_~b~0#1.base| .cse74) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse71 (store .cse74 .cse11 (+ .cse72 1)))) (let ((.cse73 (select (select (store .cse70 |c_ULTIMATE.start_main_~b~0#1.base| .cse71) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))) (+ (select (select (store .cse70 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse71 .cse6 (+ .cse72 .cse73 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8) .cse72 .cse73)))))) 48) (not (<= .cse50 v_ArrVal_571)))) (forall ((v_ArrVal_571 Int)) (or (= 48 (let ((.cse76 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse75 .cse17 v_ArrVal_571)))) (let ((.cse80 (store (select .cse76 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (let ((.cse78 (select (select (store .cse76 |c_ULTIMATE.start_main_~b~0#1.base| .cse80) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse77 (store .cse80 .cse11 (+ .cse78 1)))) (let ((.cse79 (select (select (store .cse76 |c_ULTIMATE.start_main_~b~0#1.base| .cse77) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))) (+ (select (select (store .cse76 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse77 .cse6 (+ .cse78 .cse79 1))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8) .cse78 .cse79))))))) (not (<= .cse50 v_ArrVal_571))))))))) .cse1)))) (not .cse0)))))) (= .cse89 0))) is different from true [2022-11-23 03:49:19,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 2112212765 treesize of output 2069933851