./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4caa1f295436b297cae57f4102149db941e37f67b5d377cc8e9aa7b58bbf9350 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 20:17:20,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 20:17:20,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 20:17:20,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 20:17:20,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 20:17:20,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 20:17:20,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 20:17:20,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 20:17:20,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 20:17:20,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 20:17:20,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 20:17:20,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 20:17:20,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 20:17:20,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 20:17:20,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 20:17:20,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 20:17:20,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 20:17:20,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 20:17:20,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 20:17:20,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 20:17:20,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 20:17:20,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 20:17:20,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 20:17:20,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 20:17:20,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 20:17:20,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 20:17:20,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 20:17:20,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 20:17:20,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 20:17:20,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 20:17:20,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 20:17:20,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 20:17:20,133 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 20:17:20,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 20:17:20,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 20:17:20,134 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 20:17:20,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 20:17:20,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 20:17:20,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 20:17:20,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 20:17:20,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 20:17:20,137 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 20:17:20,153 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 20:17:20,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 20:17:20,153 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 20:17:20,153 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 20:17:20,154 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 20:17:20,154 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 20:17:20,154 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 20:17:20,155 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 20:17:20,155 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 20:17:20,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 20:17:20,155 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 20:17:20,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 20:17:20,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 20:17:20,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 20:17:20,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 20:17:20,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 20:17:20,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 20:17:20,156 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 20:17:20,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 20:17:20,156 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 20:17:20,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 20:17:20,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 20:17:20,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 20:17:20,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 20:17:20,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:17:20,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 20:17:20,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 20:17:20,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 20:17:20,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 20:17:20,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 20:17:20,157 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 20:17:20,157 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 20:17:20,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 20:17:20,157 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 20:17:20,158 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4caa1f295436b297cae57f4102149db941e37f67b5d377cc8e9aa7b58bbf9350 [2021-12-06 20:17:20,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 20:17:20,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 20:17:20,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 20:17:20,350 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 20:17:20,351 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 20:17:20,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c [2021-12-06 20:17:20,392 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/data/acf5fe5eb/b124be345ca1484fafd5d20df3467075/FLAG70fdb70e4 [2021-12-06 20:17:20,784 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 20:17:20,784 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c [2021-12-06 20:17:20,789 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/data/acf5fe5eb/b124be345ca1484fafd5d20df3467075/FLAG70fdb70e4 [2021-12-06 20:17:20,800 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/data/acf5fe5eb/b124be345ca1484fafd5d20df3467075 [2021-12-06 20:17:20,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 20:17:20,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 20:17:20,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 20:17:20,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 20:17:20,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 20:17:20,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:17:20" (1/1) ... [2021-12-06 20:17:20,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58600db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:20, skipping insertion in model container [2021-12-06 20:17:20,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:17:20" (1/1) ... [2021-12-06 20:17:20,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 20:17:20,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:17:20,937 WARN L230 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_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c[415,428] [2021-12-06 20:17:20,949 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:17:20,954 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 20:17:20,963 WARN L230 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_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c[415,428] [2021-12-06 20:17:20,968 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:17:20,979 INFO L208 MainTranslator]: Completed translation [2021-12-06 20:17:20,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:20 WrapperNode [2021-12-06 20:17:20,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 20:17:20,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 20:17:20,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 20:17:20,980 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 20:17:20,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:20" (1/1) ... [2021-12-06 20:17:20,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:20" (1/1) ... [2021-12-06 20:17:21,007 INFO L137 Inliner]: procedures = 15, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2021-12-06 20:17:21,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 20:17:21,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 20:17:21,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 20:17:21,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 20:17:21,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:20" (1/1) ... [2021-12-06 20:17:21,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:20" (1/1) ... [2021-12-06 20:17:21,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:20" (1/1) ... [2021-12-06 20:17:21,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:20" (1/1) ... [2021-12-06 20:17:21,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:20" (1/1) ... [2021-12-06 20:17:21,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:20" (1/1) ... [2021-12-06 20:17:21,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:20" (1/1) ... [2021-12-06 20:17:21,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 20:17:21,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 20:17:21,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 20:17:21,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 20:17:21,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:20" (1/1) ... [2021-12-06 20:17:21,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:17:21,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:17:21,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 20:17:21,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 20:17:21,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 20:17:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 20:17:21,090 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 20:17:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 20:17:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 20:17:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 20:17:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 20:17:21,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 20:17:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 20:17:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 20:17:21,140 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 20:17:21,141 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 20:17:21,258 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 20:17:21,264 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 20:17:21,265 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-06 20:17:21,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:17:21 BoogieIcfgContainer [2021-12-06 20:17:21,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 20:17:21,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 20:17:21,269 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 20:17:21,272 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 20:17:21,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 08:17:20" (1/3) ... [2021-12-06 20:17:21,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c711d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:17:21, skipping insertion in model container [2021-12-06 20:17:21,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:20" (2/3) ... [2021-12-06 20:17:21,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c711d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:17:21, skipping insertion in model container [2021-12-06 20:17:21,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:17:21" (3/3) ... [2021-12-06 20:17:21,275 INFO L111 eAbstractionObserver]: Analyzing ICFG array_init_pair_symmetr2.c [2021-12-06 20:17:21,280 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 20:17:21,280 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 20:17:21,327 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 20:17:21,335 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 20:17:21,335 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 20:17:21,348 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 20 states have (on average 1.45) internal successors, (29), 21 states have internal predecessors, (29), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-06 20:17:21,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-12-06 20:17:21,351 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:17:21,352 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:17:21,352 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:17:21,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:17:21,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1607472667, now seen corresponding path program 1 times [2021-12-06 20:17:21,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:17:21,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125809780] [2021-12-06 20:17:21,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:17:21,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:17:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:17:21,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:17:21,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125809780] [2021-12-06 20:17:21,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125809780] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:17:21,500 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:17:21,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:17:21,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13448327] [2021-12-06 20:17:21,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:17:21,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 20:17:21,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:17:21,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 20:17:21,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 20:17:21,537 INFO L87 Difference]: Start difference. First operand has 26 states, 20 states have (on average 1.45) internal successors, (29), 21 states have internal predecessors, (29), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:17:21,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:17:21,554 INFO L93 Difference]: Finished difference Result 50 states and 71 transitions. [2021-12-06 20:17:21,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 20:17:21,556 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-12-06 20:17:21,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:17:21,562 INFO L225 Difference]: With dead ends: 50 [2021-12-06 20:17:21,562 INFO L226 Difference]: Without dead ends: 22 [2021-12-06 20:17:21,565 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 20:17:21,568 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:17:21,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:17:21,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-12-06 20:17:21,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-12-06 20:17:21,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-06 20:17:21,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2021-12-06 20:17:21,598 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 9 [2021-12-06 20:17:21,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:17:21,598 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2021-12-06 20:17:21,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:17:21,598 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2021-12-06 20:17:21,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-12-06 20:17:21,600 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:17:21,600 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:17:21,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 20:17:21,600 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:17:21,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:17:21,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1898116011, now seen corresponding path program 1 times [2021-12-06 20:17:21,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:17:21,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315544772] [2021-12-06 20:17:21,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:17:21,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:17:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:17:21,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:17:21,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315544772] [2021-12-06 20:17:21,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315544772] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:17:21,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:17:21,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:17:21,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418903712] [2021-12-06 20:17:21,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:17:21,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:17:21,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:17:21,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:17:21,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:17:21,675 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:17:21,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:17:21,731 INFO L93 Difference]: Finished difference Result 40 states and 50 transitions. [2021-12-06 20:17:21,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:17:21,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-12-06 20:17:21,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:17:21,732 INFO L225 Difference]: With dead ends: 40 [2021-12-06 20:17:21,732 INFO L226 Difference]: Without dead ends: 30 [2021-12-06 20:17:21,733 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:17:21,734 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 34 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:17:21,735 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 24 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:17:21,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-12-06 20:17:21,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2021-12-06 20:17:21,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 19 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-06 20:17:21,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2021-12-06 20:17:21,742 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 9 [2021-12-06 20:17:21,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:17:21,742 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2021-12-06 20:17:21,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:17:21,742 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2021-12-06 20:17:21,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-12-06 20:17:21,743 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:17:21,743 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:17:21,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 20:17:21,744 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:17:21,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:17:21,744 INFO L85 PathProgramCache]: Analyzing trace with hash 544146986, now seen corresponding path program 1 times [2021-12-06 20:17:21,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:17:21,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571625225] [2021-12-06 20:17:21,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:17:21,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:17:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:17:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 20:17:21,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 20:17:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,853 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-06 20:17:21,853 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:17:21,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571625225] [2021-12-06 20:17:21,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571625225] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:17:21,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505955910] [2021-12-06 20:17:21,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:17:21,854 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:17:21,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:17:21,855 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:17:21,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 20:17:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 20:17:21,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:17:22,026 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-06 20:17:22,026 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:17:22,088 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-06 20:17:22,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1505955910] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:17:22,089 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:17:22,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 10 [2021-12-06 20:17:22,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502063918] [2021-12-06 20:17:22,089 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:17:22,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 20:17:22,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:17:22,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 20:17:22,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2021-12-06 20:17:22,091 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-06 20:17:22,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:17:22,217 INFO L93 Difference]: Finished difference Result 72 states and 92 transitions. [2021-12-06 20:17:22,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 20:17:22,217 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 29 [2021-12-06 20:17:22,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:17:22,218 INFO L225 Difference]: With dead ends: 72 [2021-12-06 20:17:22,218 INFO L226 Difference]: Without dead ends: 61 [2021-12-06 20:17:22,219 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2021-12-06 20:17:22,220 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 136 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:17:22,220 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 38 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 20:17:22,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-12-06 20:17:22,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 48. [2021-12-06 20:17:22,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 34 states have (on average 1.088235294117647) internal successors, (37), 34 states have internal predecessors, (37), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-06 20:17:22,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 61 transitions. [2021-12-06 20:17:22,229 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 61 transitions. Word has length 29 [2021-12-06 20:17:22,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:17:22,229 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 61 transitions. [2021-12-06 20:17:22,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-06 20:17:22,229 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2021-12-06 20:17:22,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-06 20:17:22,232 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:17:22,232 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:17:22,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 20:17:22,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:17:22,434 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:17:22,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:17:22,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1645511465, now seen corresponding path program 2 times [2021-12-06 20:17:22,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:17:22,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621839881] [2021-12-06 20:17:22,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:17:22,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:17:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:17:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 20:17:22,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 20:17:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-06 20:17:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 20:17:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-06 20:17:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-06 20:17:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 20:17:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-06 20:17:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-06 20:17:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 20:17:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 20:17:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,716 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2021-12-06 20:17:22,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:17:22,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621839881] [2021-12-06 20:17:22,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621839881] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:17:22,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306009969] [2021-12-06 20:17:22,717 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 20:17:22,718 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:17:22,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:17:22,719 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:17:22,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 20:17:22,790 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 20:17:22,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:17:22,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 20:17:22,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:17:23,019 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2021-12-06 20:17:23,019 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:17:23,146 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2021-12-06 20:17:23,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306009969] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:17:23,146 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:17:23,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 19 [2021-12-06 20:17:23,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524606855] [2021-12-06 20:17:23,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:17:23,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 20:17:23,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:17:23,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 20:17:23,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=195, Unknown=0, NotChecked=0, Total=342 [2021-12-06 20:17:23,149 INFO L87 Difference]: Start difference. First operand 48 states and 61 transitions. Second operand has 19 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 19 states have internal predecessors, (58), 12 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) [2021-12-06 20:17:23,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:17:23,398 INFO L93 Difference]: Finished difference Result 162 states and 206 transitions. [2021-12-06 20:17:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 20:17:23,399 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 19 states have internal predecessors, (58), 12 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) Word has length 89 [2021-12-06 20:17:23,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:17:23,401 INFO L225 Difference]: With dead ends: 162 [2021-12-06 20:17:23,401 INFO L226 Difference]: Without dead ends: 145 [2021-12-06 20:17:23,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=222, Invalid=330, Unknown=0, NotChecked=0, Total=552 [2021-12-06 20:17:23,402 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 315 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:17:23,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [318 Valid, 63 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 20:17:23,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-12-06 20:17:23,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 96. [2021-12-06 20:17:23,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 64 states have (on average 1.046875) internal successors, (67), 64 states have internal predecessors, (67), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2021-12-06 20:17:23,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 127 transitions. [2021-12-06 20:17:23,418 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 127 transitions. Word has length 89 [2021-12-06 20:17:23,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:17:23,418 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 127 transitions. [2021-12-06 20:17:23,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 19 states have internal predecessors, (58), 12 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) [2021-12-06 20:17:23,419 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 127 transitions. [2021-12-06 20:17:23,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-12-06 20:17:23,422 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:17:23,422 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 30, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:17:23,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 20:17:23,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:17:23,623 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:17:23,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:17:23,625 INFO L85 PathProgramCache]: Analyzing trace with hash 548463335, now seen corresponding path program 3 times [2021-12-06 20:17:23,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:17:23,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562292204] [2021-12-06 20:17:23,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:17:23,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:17:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:23,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:17:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:23,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 20:17:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:23,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 20:17:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:23,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-06 20:17:23,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:23,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 20:17:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:23,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-06 20:17:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:23,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-06 20:17:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:23,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 20:17:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:23,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-06 20:17:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:23,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-06 20:17:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:23,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 20:17:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:23,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 20:17:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:23,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-06 20:17:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:23,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:17:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:23,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-06 20:17:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:23,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 20:17:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:23,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 20:17:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:23,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-06 20:17:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:23,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-06 20:17:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:23,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 20:17:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:23,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 20:17:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:23,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-06 20:17:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:23,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 20:17:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:24,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-06 20:17:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:24,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-06 20:17:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:24,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-06 20:17:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:24,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 20:17:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:24,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 20:17:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:24,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-06 20:17:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:24,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-06 20:17:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:24,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2120 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 1840 trivial. 0 not checked. [2021-12-06 20:17:24,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:17:24,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562292204] [2021-12-06 20:17:24,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562292204] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:17:24,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367166707] [2021-12-06 20:17:24,036 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 20:17:24,036 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:17:24,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:17:24,037 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:17:24,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 20:17:24,729 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-12-06 20:17:24,729 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:17:24,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-06 20:17:24,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:17:25,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2120 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 2020 trivial. 0 not checked. [2021-12-06 20:17:25,070 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:17:25,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2120 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 2020 trivial. 0 not checked. [2021-12-06 20:17:25,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367166707] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:17:25,418 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:17:25,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 14] total 37 [2021-12-06 20:17:25,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069683791] [2021-12-06 20:17:25,418 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:17:25,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-12-06 20:17:25,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:17:25,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-12-06 20:17:25,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=579, Invalid=753, Unknown=0, NotChecked=0, Total=1332 [2021-12-06 20:17:25,421 INFO L87 Difference]: Start difference. First operand 96 states and 127 transitions. Second operand has 37 states, 37 states have (on average 2.7567567567567566) internal successors, (102), 37 states have internal predecessors, (102), 12 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) [2021-12-06 20:17:26,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:17:26,017 INFO L93 Difference]: Finished difference Result 342 states and 434 transitions. [2021-12-06 20:17:26,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-12-06 20:17:26,018 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.7567567567567566) internal successors, (102), 37 states have internal predecessors, (102), 12 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) Word has length 209 [2021-12-06 20:17:26,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:17:26,022 INFO L225 Difference]: With dead ends: 342 [2021-12-06 20:17:26,023 INFO L226 Difference]: Without dead ends: 313 [2021-12-06 20:17:26,025 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 500 GetRequests, 454 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=876, Invalid=1380, Unknown=0, NotChecked=0, Total=2256 [2021-12-06 20:17:26,026 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 677 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 514 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 707 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 514 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 20:17:26,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [707 Valid, 131 Invalid, 1045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [514 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 20:17:26,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2021-12-06 20:17:26,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 192. [2021-12-06 20:17:26,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 124 states have (on average 1.0241935483870968) internal successors, (127), 124 states have internal predecessors, (127), 66 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2021-12-06 20:17:26,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 259 transitions. [2021-12-06 20:17:26,058 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 259 transitions. Word has length 209 [2021-12-06 20:17:26,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:17:26,059 INFO L470 AbstractCegarLoop]: Abstraction has 192 states and 259 transitions. [2021-12-06 20:17:26,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.7567567567567566) internal successors, (102), 37 states have internal predecessors, (102), 12 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) [2021-12-06 20:17:26,060 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 259 transitions. [2021-12-06 20:17:26,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2021-12-06 20:17:26,072 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:17:26,072 INFO L514 BasicCegarLoop]: trace histogram [66, 66, 66, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:17:26,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 20:17:26,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:17:26,273 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:17:26,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:17:26,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1915094685, now seen corresponding path program 4 times [2021-12-06 20:17:26,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:17:26,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656041408] [2021-12-06 20:17:26,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:17:26,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:17:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:17:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 20:17:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 20:17:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-06 20:17:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 20:17:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-06 20:17:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-06 20:17:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 20:17:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-06 20:17:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-06 20:17:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 20:17:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 20:17:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-06 20:17:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:17:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-06 20:17:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 20:17:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 20:17:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-06 20:17:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-06 20:17:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 20:17:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 20:17:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-06 20:17:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 20:17:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-06 20:17:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-06 20:17:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-06 20:17:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 20:17:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 20:17:26,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-06 20:17:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-06 20:17:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-06 20:17:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-06 20:17:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-06 20:17:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 20:17:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-06 20:17:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-06 20:17:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-06 20:17:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-06 20:17:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 20:17:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-06 20:17:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 20:17:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-06 20:17:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-06 20:17:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-06 20:17:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-06 20:17:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-06 20:17:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 20:17:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-06 20:17:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-06 20:17:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 20:17:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 20:17:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-06 20:17:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-06 20:17:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-06 20:17:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-06 20:17:26,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-12-06 20:17:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-06 20:17:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-06 20:17:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-06 20:17:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 20:17:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-06 20:17:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-12-06 20:17:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-06 20:17:26,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-12-06 20:17:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-06 20:17:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-06 20:17:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:26,829 INFO L134 CoverageAnalysis]: Checked inductivity of 10472 backedges. 0 proven. 1408 refuted. 0 times theorem prover too weak. 9064 trivial. 0 not checked. [2021-12-06 20:17:26,829 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:17:26,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656041408] [2021-12-06 20:17:26,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656041408] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:17:26,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482109789] [2021-12-06 20:17:26,829 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-06 20:17:26,829 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:17:26,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:17:26,830 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:17:26,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac4692a-6d45-4b69-807a-05b8e0eeb3a9/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 20:17:27,070 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-06 20:17:27,070 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:17:27,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 280 conjunts are in the unsatisfiable core [2021-12-06 20:17:27,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:17:27,131 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 20:17:27,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-12-06 20:17:27,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:17:27,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2021-12-06 20:17:27,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-12-06 20:17:27,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-12-06 20:17:27,742 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-06 20:17:27,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 44 [2021-12-06 20:17:28,106 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-06 20:17:28,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 44 [2021-12-06 20:17:28,429 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-06 20:17:28,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 44 [2021-12-06 20:17:28,765 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-06 20:17:28,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 44 [2021-12-06 20:17:29,093 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-06 20:17:29,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 44 [2021-12-06 20:17:29,426 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-06 20:17:29,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 44 [2021-12-06 20:17:29,739 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-06 20:17:29,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 44 [2021-12-06 20:17:30,036 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-06 20:17:30,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 44 [2021-12-06 20:17:30,341 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-06 20:17:30,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 44 [2021-12-06 20:17:30,631 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-06 20:17:30,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 44 [2021-12-06 20:17:30,973 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-06 20:17:30,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 44 [2021-12-06 20:17:31,291 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-06 20:17:31,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 44 [2021-12-06 20:17:31,608 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-06 20:17:31,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 44 [2021-12-06 20:17:31,915 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-06 20:17:31,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 44 [2021-12-06 20:17:32,233 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-06 20:17:32,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 44 [2021-12-06 20:17:32,593 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-06 20:17:32,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 44 [2021-12-06 20:17:32,953 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-06 20:17:32,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 44 [2021-12-06 20:17:33,288 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-06 20:17:33,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 44 [2021-12-06 20:17:33,651 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-06 20:17:33,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 44 [2021-12-06 20:17:33,989 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-06 20:17:33,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 44 [2021-12-06 20:17:34,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 27 [2021-12-06 20:17:34,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 42 [2021-12-06 20:17:34,252 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-06 20:17:34,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 47 [2021-12-06 20:17:34,363 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-06 20:17:34,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 47 [2021-12-06 20:17:34,482 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-06 20:17:34,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 47 [2021-12-06 20:17:34,604 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-06 20:17:34,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 47 [2021-12-06 20:17:34,724 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-06 20:17:34,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 47 [2021-12-06 20:17:34,840 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-06 20:17:34,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 47 [2021-12-06 20:17:34,957 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-06 20:17:34,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 47 [2021-12-06 20:17:35,078 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-06 20:17:35,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 47 [2021-12-06 20:17:35,201 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-06 20:17:35,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 47 [2021-12-06 20:17:35,336 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-06 20:17:35,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 47 [2021-12-06 20:17:35,480 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-06 20:17:35,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 47 [2021-12-06 20:17:35,613 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-06 20:17:35,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 47 [2021-12-06 20:17:35,739 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-06 20:17:35,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 47 [2021-12-06 20:17:35,865 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-06 20:17:35,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 47 [2021-12-06 20:17:36,002 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-06 20:17:36,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 47 [2021-12-06 20:17:36,126 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-06 20:17:36,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 47 [2021-12-06 20:17:36,260 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-06 20:17:36,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 47 [2021-12-06 20:17:36,397 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-06 20:17:36,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 47 [2021-12-06 20:17:36,538 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-06 20:17:36,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 47 [2021-12-06 20:17:36,679 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-06 20:17:36,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 47 [2021-12-06 20:17:36,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 12 [2021-12-06 20:17:36,946 INFO L134 CoverageAnalysis]: Checked inductivity of 10472 backedges. 2757 proven. 590 refuted. 0 times theorem prover too weak. 7125 trivial. 0 not checked. [2021-12-06 20:17:36,946 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:17:39,105 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_117| Int)) (or (forall ((v_ArrVal_853 Int)) (< 0 (select (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_117| 4)) v_ArrVal_853) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4)))) (< |v_ULTIMATE.start_main_~i~0#1_117| (+ |c_ULTIMATE.start_main_~i~0#1| 1)))) is different from false [2021-12-06 20:17:53,264 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_118| Int)) (or (forall ((v_ArrVal_852 Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (v_ArrVal_853 Int)) (or (< 0 (select (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ (* |v_ULTIMATE.start_main_~i~0#1_118| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_852) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_117| 4)) v_ArrVal_853) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4))) (< |v_ULTIMATE.start_main_~i~0#1_117| (+ |v_ULTIMATE.start_main_~i~0#1_118| 1)))) (< |v_ULTIMATE.start_main_~i~0#1_118| (+ |c_ULTIMATE.start_main_~i~0#1| 1)))) is different from false [2021-12-06 20:18:40,614 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_119| Int)) (or (forall ((v_ArrVal_852 Int) (v_ArrVal_850 Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (v_ArrVal_853 Int)) (or (< 0 (select (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_850) (+ (* |v_ULTIMATE.start_main_~i~0#1_118| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_852) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_117| 4)) v_ArrVal_853) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4))) (< |v_ULTIMATE.start_main_~i~0#1_118| (+ |v_ULTIMATE.start_main_~i~0#1_119| 1)) (< |v_ULTIMATE.start_main_~i~0#1_117| (+ |v_ULTIMATE.start_main_~i~0#1_118| 1)))) (< |v_ULTIMATE.start_main_~i~0#1_119| (+ |c_ULTIMATE.start_main_~i~0#1| 1)))) is different from false [2021-12-06 20:19:43,680 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_120| Int)) (or (forall ((v_ArrVal_852 Int) (v_ArrVal_850 Int) (v_ArrVal_847 Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int) (v_ArrVal_853 Int)) (or (< 0 (select (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_120| 4)) v_ArrVal_847) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_850) (+ (* |v_ULTIMATE.start_main_~i~0#1_118| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_852) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_117| 4)) v_ArrVal_853) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4))) (< |v_ULTIMATE.start_main_~i~0#1_119| (+ |v_ULTIMATE.start_main_~i~0#1_120| 1)) (< |v_ULTIMATE.start_main_~i~0#1_118| (+ |v_ULTIMATE.start_main_~i~0#1_119| 1)) (< |v_ULTIMATE.start_main_~i~0#1_117| (+ |v_ULTIMATE.start_main_~i~0#1_118| 1)))) (< |v_ULTIMATE.start_main_~i~0#1_120| (+ |c_ULTIMATE.start_main_~i~0#1| 1)))) is different from false [2021-12-06 20:20:43,675 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_121| Int)) (or (forall ((v_ArrVal_852 Int) (v_ArrVal_850 Int) (|v_ULTIMATE.start_main_~i~0#1_120| Int) (v_ArrVal_847 Int) (v_ArrVal_845 Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int) (v_ArrVal_853 Int)) (or (< 0 (select (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_121| 4)) v_ArrVal_845) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_120| 4)) v_ArrVal_847) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_850) (+ (* |v_ULTIMATE.start_main_~i~0#1_118| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_852) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_117| 4)) v_ArrVal_853) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4))) (< |v_ULTIMATE.start_main_~i~0#1_120| (+ |v_ULTIMATE.start_main_~i~0#1_121| 1)) (< |v_ULTIMATE.start_main_~i~0#1_119| (+ |v_ULTIMATE.start_main_~i~0#1_120| 1)) (< |v_ULTIMATE.start_main_~i~0#1_118| (+ |v_ULTIMATE.start_main_~i~0#1_119| 1)) (< |v_ULTIMATE.start_main_~i~0#1_117| (+ |v_ULTIMATE.start_main_~i~0#1_118| 1)))) (< |v_ULTIMATE.start_main_~i~0#1_121| (+ |c_ULTIMATE.start_main_~i~0#1| 1)))) is different from false [2021-12-06 20:25:46,334 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_123| Int)) (or (forall ((v_ArrVal_847 Int) (v_ArrVal_845 Int) (v_ArrVal_843 Int) (v_ArrVal_842 Int) (v_ArrVal_853 Int) (v_ArrVal_852 Int) (v_ArrVal_850 Int) (|v_ULTIMATE.start_main_~i~0#1_121| Int) (|v_ULTIMATE.start_main_~i~0#1_120| Int) (|v_ULTIMATE.start_main_~i~0#1_122| Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_121| (+ |v_ULTIMATE.start_main_~i~0#1_122| 1)) (< |v_ULTIMATE.start_main_~i~0#1_120| (+ |v_ULTIMATE.start_main_~i~0#1_121| 1)) (< 0 (select (store (store (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_123| 4)) v_ArrVal_842) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_122| 4)) v_ArrVal_843) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_121| 4)) v_ArrVal_845) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_120| 4)) v_ArrVal_847) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_850) (+ (* |v_ULTIMATE.start_main_~i~0#1_118| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_852) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_117| 4)) v_ArrVal_853) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4))) (< |v_ULTIMATE.start_main_~i~0#1_119| (+ |v_ULTIMATE.start_main_~i~0#1_120| 1)) (< |v_ULTIMATE.start_main_~i~0#1_118| (+ |v_ULTIMATE.start_main_~i~0#1_119| 1)) (< |v_ULTIMATE.start_main_~i~0#1_122| (+ |v_ULTIMATE.start_main_~i~0#1_123| 1)) (< |v_ULTIMATE.start_main_~i~0#1_117| (+ |v_ULTIMATE.start_main_~i~0#1_118| 1)))) (< |v_ULTIMATE.start_main_~i~0#1_123| (+ |c_ULTIMATE.start_main_~i~0#1| 1)))) is different from false [2021-12-06 20:27:03,347 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_124| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_124| (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (forall ((v_ArrVal_847 Int) (v_ArrVal_845 Int) (v_ArrVal_843 Int) (v_ArrVal_842 Int) (v_ArrVal_853 Int) (v_ArrVal_852 Int) (v_ArrVal_840 Int) (v_ArrVal_850 Int) (|v_ULTIMATE.start_main_~i~0#1_121| Int) (|v_ULTIMATE.start_main_~i~0#1_120| Int) (|v_ULTIMATE.start_main_~i~0#1_123| Int) (|v_ULTIMATE.start_main_~i~0#1_122| Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_121| (+ |v_ULTIMATE.start_main_~i~0#1_122| 1)) (< |v_ULTIMATE.start_main_~i~0#1_120| (+ |v_ULTIMATE.start_main_~i~0#1_121| 1)) (< 0 (select (store (store (store (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_124| 4)) v_ArrVal_840) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_123| 4)) v_ArrVal_842) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_122| 4)) v_ArrVal_843) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_121| 4)) v_ArrVal_845) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_120| 4)) v_ArrVal_847) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_850) (+ (* |v_ULTIMATE.start_main_~i~0#1_118| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_852) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_117| 4)) v_ArrVal_853) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4))) (< |v_ULTIMATE.start_main_~i~0#1_119| (+ |v_ULTIMATE.start_main_~i~0#1_120| 1)) (< |v_ULTIMATE.start_main_~i~0#1_118| (+ |v_ULTIMATE.start_main_~i~0#1_119| 1)) (< |v_ULTIMATE.start_main_~i~0#1_122| (+ |v_ULTIMATE.start_main_~i~0#1_123| 1)) (< |v_ULTIMATE.start_main_~i~0#1_117| (+ |v_ULTIMATE.start_main_~i~0#1_118| 1)) (< |v_ULTIMATE.start_main_~i~0#1_123| (+ |v_ULTIMATE.start_main_~i~0#1_124| 1)))))) is different from false [2021-12-06 20:28:26,104 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_125| Int)) (or (forall ((v_ArrVal_837 Int) (v_ArrVal_847 Int) (v_ArrVal_845 Int) (v_ArrVal_843 Int) (v_ArrVal_842 Int) (v_ArrVal_853 Int) (v_ArrVal_852 Int) (|v_ULTIMATE.start_main_~i~0#1_124| Int) (v_ArrVal_840 Int) (v_ArrVal_850 Int) (|v_ULTIMATE.start_main_~i~0#1_121| Int) (|v_ULTIMATE.start_main_~i~0#1_120| Int) (|v_ULTIMATE.start_main_~i~0#1_123| Int) (|v_ULTIMATE.start_main_~i~0#1_122| Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_121| (+ |v_ULTIMATE.start_main_~i~0#1_122| 1)) (< |v_ULTIMATE.start_main_~i~0#1_124| (+ |v_ULTIMATE.start_main_~i~0#1_125| 1)) (< |v_ULTIMATE.start_main_~i~0#1_120| (+ |v_ULTIMATE.start_main_~i~0#1_121| 1)) (< |v_ULTIMATE.start_main_~i~0#1_119| (+ |v_ULTIMATE.start_main_~i~0#1_120| 1)) (< |v_ULTIMATE.start_main_~i~0#1_118| (+ |v_ULTIMATE.start_main_~i~0#1_119| 1)) (< |v_ULTIMATE.start_main_~i~0#1_122| (+ |v_ULTIMATE.start_main_~i~0#1_123| 1)) (< |v_ULTIMATE.start_main_~i~0#1_117| (+ |v_ULTIMATE.start_main_~i~0#1_118| 1)) (< |v_ULTIMATE.start_main_~i~0#1_123| (+ |v_ULTIMATE.start_main_~i~0#1_124| 1)) (< 0 (select (store (store (store (store (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_125| 4)) v_ArrVal_837) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_124| 4)) v_ArrVal_840) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_123| 4)) v_ArrVal_842) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_122| 4)) v_ArrVal_843) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_121| 4)) v_ArrVal_845) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_120| 4)) v_ArrVal_847) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_850) (+ (* |v_ULTIMATE.start_main_~i~0#1_118| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_852) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_117| 4)) v_ArrVal_853) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4))))) (< |v_ULTIMATE.start_main_~i~0#1_125| (+ |c_ULTIMATE.start_main_~i~0#1| 1)))) is different from false [2021-12-06 20:29:52,119 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_126| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_126| (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (forall ((v_ArrVal_837 Int) (v_ArrVal_847 Int) (v_ArrVal_835 Int) (v_ArrVal_845 Int) (v_ArrVal_843 Int) (v_ArrVal_842 Int) (v_ArrVal_853 Int) (|v_ULTIMATE.start_main_~i~0#1_125| Int) (v_ArrVal_852 Int) (|v_ULTIMATE.start_main_~i~0#1_124| Int) (v_ArrVal_840 Int) (v_ArrVal_850 Int) (|v_ULTIMATE.start_main_~i~0#1_121| Int) (|v_ULTIMATE.start_main_~i~0#1_120| Int) (|v_ULTIMATE.start_main_~i~0#1_123| Int) (|v_ULTIMATE.start_main_~i~0#1_122| Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_121| (+ |v_ULTIMATE.start_main_~i~0#1_122| 1)) (< |v_ULTIMATE.start_main_~i~0#1_124| (+ |v_ULTIMATE.start_main_~i~0#1_125| 1)) (< |v_ULTIMATE.start_main_~i~0#1_125| (+ |v_ULTIMATE.start_main_~i~0#1_126| 1)) (< |v_ULTIMATE.start_main_~i~0#1_120| (+ |v_ULTIMATE.start_main_~i~0#1_121| 1)) (< 0 (select (store (store (store (store (store (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_126| 4)) v_ArrVal_835) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_125| 4)) v_ArrVal_837) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_124| 4)) v_ArrVal_840) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_123| 4)) v_ArrVal_842) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_122| 4)) v_ArrVal_843) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_121| 4)) v_ArrVal_845) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_120| 4)) v_ArrVal_847) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_850) (+ (* |v_ULTIMATE.start_main_~i~0#1_118| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_852) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_117| 4)) v_ArrVal_853) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4))) (< |v_ULTIMATE.start_main_~i~0#1_119| (+ |v_ULTIMATE.start_main_~i~0#1_120| 1)) (< |v_ULTIMATE.start_main_~i~0#1_118| (+ |v_ULTIMATE.start_main_~i~0#1_119| 1)) (< |v_ULTIMATE.start_main_~i~0#1_122| (+ |v_ULTIMATE.start_main_~i~0#1_123| 1)) (< |v_ULTIMATE.start_main_~i~0#1_117| (+ |v_ULTIMATE.start_main_~i~0#1_118| 1)) (< |v_ULTIMATE.start_main_~i~0#1_123| (+ |v_ULTIMATE.start_main_~i~0#1_124| 1)))))) is different from false [2021-12-06 20:31:27,320 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_127| Int)) (or (forall ((v_ArrVal_837 Int) (v_ArrVal_847 Int) (v_ArrVal_835 Int) (v_ArrVal_845 Int) (v_ArrVal_833 Int) (v_ArrVal_843 Int) (v_ArrVal_842 Int) (v_ArrVal_853 Int) (|v_ULTIMATE.start_main_~i~0#1_125| Int) (v_ArrVal_852 Int) (|v_ULTIMATE.start_main_~i~0#1_124| Int) (v_ArrVal_840 Int) (v_ArrVal_850 Int) (|v_ULTIMATE.start_main_~i~0#1_126| Int) (|v_ULTIMATE.start_main_~i~0#1_121| Int) (|v_ULTIMATE.start_main_~i~0#1_120| Int) (|v_ULTIMATE.start_main_~i~0#1_123| Int) (|v_ULTIMATE.start_main_~i~0#1_122| Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_126| (+ |v_ULTIMATE.start_main_~i~0#1_127| 1)) (< |v_ULTIMATE.start_main_~i~0#1_121| (+ |v_ULTIMATE.start_main_~i~0#1_122| 1)) (< |v_ULTIMATE.start_main_~i~0#1_124| (+ |v_ULTIMATE.start_main_~i~0#1_125| 1)) (< |v_ULTIMATE.start_main_~i~0#1_125| (+ |v_ULTIMATE.start_main_~i~0#1_126| 1)) (< |v_ULTIMATE.start_main_~i~0#1_120| (+ |v_ULTIMATE.start_main_~i~0#1_121| 1)) (< 0 (select (store (store (store (store (store (store (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_127| 4)) v_ArrVal_833) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_126| 4)) v_ArrVal_835) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_125| 4)) v_ArrVal_837) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_124| 4)) v_ArrVal_840) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_123| 4)) v_ArrVal_842) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_122| 4)) v_ArrVal_843) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_121| 4)) v_ArrVal_845) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_120| 4)) v_ArrVal_847) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_850) (+ (* |v_ULTIMATE.start_main_~i~0#1_118| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_852) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_117| 4)) v_ArrVal_853) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4))) (< |v_ULTIMATE.start_main_~i~0#1_119| (+ |v_ULTIMATE.start_main_~i~0#1_120| 1)) (< |v_ULTIMATE.start_main_~i~0#1_118| (+ |v_ULTIMATE.start_main_~i~0#1_119| 1)) (< |v_ULTIMATE.start_main_~i~0#1_122| (+ |v_ULTIMATE.start_main_~i~0#1_123| 1)) (< |v_ULTIMATE.start_main_~i~0#1_117| (+ |v_ULTIMATE.start_main_~i~0#1_118| 1)) (< |v_ULTIMATE.start_main_~i~0#1_123| (+ |v_ULTIMATE.start_main_~i~0#1_124| 1)))) (< |v_ULTIMATE.start_main_~i~0#1_127| (+ |c_ULTIMATE.start_main_~i~0#1| 1)))) is different from false