./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ssina.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_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/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_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/ssina.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/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_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/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 4c9ca6c94ff0fae82185b19014fc033eef7a37c04f3b092e10c4eebb38e41241 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:21:19,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:21:19,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:21:19,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:21:19,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:21:19,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:21:19,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:21:19,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:21:19,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:21:19,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:21:19,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:21:19,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:21:19,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:21:19,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:21:19,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:21:19,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:21:19,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:21:19,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:21:19,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:21:19,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:21:19,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:21:19,759 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:21:19,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:21:19,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:21:19,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:21:19,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:21:19,765 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:21:19,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:21:19,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:21:19,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:21:19,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:21:19,768 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:21:19,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:21:19,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:21:19,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:21:19,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:21:19,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:21:19,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:21:19,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:21:19,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:21:19,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:21:19,773 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 19:21:19,800 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:21:19,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:21:19,800 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:21:19,800 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:21:19,801 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 19:21:19,801 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 19:21:19,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:21:19,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:21:19,802 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:21:19,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:21:19,802 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 19:21:19,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:21:19,802 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 19:21:19,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:21:19,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 19:21:19,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 19:21:19,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 19:21:19,803 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 19:21:19,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:21:19,803 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:21:19,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 19:21:19,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:21:19,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:21:19,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 19:21:19,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:21:19,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:21:19,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 19:21:19,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 19:21:19,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 19:21:19,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 19:21:19,808 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 19:21:19,808 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 19:21:19,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 19:21:19,809 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:21:19,809 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_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c9ca6c94ff0fae82185b19014fc033eef7a37c04f3b092e10c4eebb38e41241 [2021-12-06 19:21:19,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:21:20,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:21:20,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:21:20,012 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:21:20,012 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:21:20,013 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/array-fpi/ssina.c [2021-12-06 19:21:20,055 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/data/59351ab16/cbc306e33ce44b3ca397f34877a0932e/FLAGc2681fd8a [2021-12-06 19:21:20,522 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:21:20,523 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/sv-benchmarks/c/array-fpi/ssina.c [2021-12-06 19:21:20,527 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/data/59351ab16/cbc306e33ce44b3ca397f34877a0932e/FLAGc2681fd8a [2021-12-06 19:21:21,035 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/data/59351ab16/cbc306e33ce44b3ca397f34877a0932e [2021-12-06 19:21:21,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:21:21,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:21:21,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:21:21,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:21:21,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:21:21,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:21:21" (1/1) ... [2021-12-06 19:21:21,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@582d757c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:21, skipping insertion in model container [2021-12-06 19:21:21,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:21:21" (1/1) ... [2021-12-06 19:21:21,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:21:21,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:21:21,155 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_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/sv-benchmarks/c/array-fpi/ssina.c[588,601] [2021-12-06 19:21:21,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:21:21,174 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:21:21,182 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_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/sv-benchmarks/c/array-fpi/ssina.c[588,601] [2021-12-06 19:21:21,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:21:21,199 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:21:21,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:21 WrapperNode [2021-12-06 19:21:21,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:21:21,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:21:21,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:21:21,200 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:21:21,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:21" (1/1) ... [2021-12-06 19:21:21,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:21" (1/1) ... [2021-12-06 19:21:21,225 INFO L137 Inliner]: procedures = 17, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 111 [2021-12-06 19:21:21,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:21:21,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:21:21,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:21:21,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:21:21,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:21" (1/1) ... [2021-12-06 19:21:21,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:21" (1/1) ... [2021-12-06 19:21:21,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:21" (1/1) ... [2021-12-06 19:21:21,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:21" (1/1) ... [2021-12-06 19:21:21,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:21" (1/1) ... [2021-12-06 19:21:21,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:21" (1/1) ... [2021-12-06 19:21:21,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:21" (1/1) ... [2021-12-06 19:21:21,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:21:21,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:21:21,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:21:21,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:21:21,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:21" (1/1) ... [2021-12-06 19:21:21,254 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:21:21,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:21:21,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 19:21:21,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 19:21:21,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 19:21:21,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 19:21:21,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 19:21:21,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 19:21:21,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 19:21:21,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:21:21,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:21:21,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 19:21:21,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 19:21:21,356 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:21:21,357 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:21:21,472 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:21:21,477 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:21:21,477 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-06 19:21:21,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:21:21 BoogieIcfgContainer [2021-12-06 19:21:21,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:21:21,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 19:21:21,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 19:21:21,482 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 19:21:21,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:21:21" (1/3) ... [2021-12-06 19:21:21,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e28646c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:21:21, skipping insertion in model container [2021-12-06 19:21:21,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:21" (2/3) ... [2021-12-06 19:21:21,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e28646c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:21:21, skipping insertion in model container [2021-12-06 19:21:21,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:21:21" (3/3) ... [2021-12-06 19:21:21,485 INFO L111 eAbstractionObserver]: Analyzing ICFG ssina.c [2021-12-06 19:21:21,489 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 19:21:21,489 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 19:21:21,524 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 19:21:21,530 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 19:21:21,530 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 19:21:21,541 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 29 states have internal predecessors, (44), 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 19:21:21,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-06 19:21:21,546 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:21:21,546 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:21:21,547 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:21:21,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:21:21,551 INFO L85 PathProgramCache]: Analyzing trace with hash -635308358, now seen corresponding path program 1 times [2021-12-06 19:21:21,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:21:21,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611566427] [2021-12-06 19:21:21,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:21:21,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:21:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:21,692 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 19:21:21,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:21:21,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611566427] [2021-12-06 19:21:21,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611566427] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:21:21,693 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:21:21,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 19:21:21,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162801323] [2021-12-06 19:21:21,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:21:21,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 19:21:21,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:21:21,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 19:21:21,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 19:21:21,722 INFO L87 Difference]: Start difference. First operand has 30 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:21:21,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:21:21,735 INFO L93 Difference]: Finished difference Result 56 states and 82 transitions. [2021-12-06 19:21:21,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 19:21:21,737 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-12-06 19:21:21,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:21:21,742 INFO L225 Difference]: With dead ends: 56 [2021-12-06 19:21:21,743 INFO L226 Difference]: Without dead ends: 26 [2021-12-06 19:21:21,745 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 19:21:21,748 INFO L933 BasicCegarLoop]: 36 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, 36 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 19:21:21,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:21:21,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-12-06 19:21:21,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-12-06 19:21:21,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:21:21,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2021-12-06 19:21:21,774 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 18 [2021-12-06 19:21:21,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:21:21,774 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-12-06 19:21:21,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:21:21,775 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2021-12-06 19:21:21,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-06 19:21:21,775 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:21:21,775 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:21:21,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 19:21:21,776 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:21:21,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:21:21,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1344199344, now seen corresponding path program 1 times [2021-12-06 19:21:21,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:21:21,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104674102] [2021-12-06 19:21:21,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:21:21,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:21:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:21,852 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 19:21:21,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:21:21,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104674102] [2021-12-06 19:21:21,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104674102] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:21:21,853 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:21:21,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:21:21,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001066723] [2021-12-06 19:21:21,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:21:21,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 19:21:21,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:21:21,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:21:21,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:21:21,856 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:21:21,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:21:21,933 INFO L93 Difference]: Finished difference Result 61 states and 75 transitions. [2021-12-06 19:21:21,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 19:21:21,934 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-12-06 19:21:21,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:21:21,935 INFO L225 Difference]: With dead ends: 61 [2021-12-06 19:21:21,935 INFO L226 Difference]: Without dead ends: 42 [2021-12-06 19:21:21,936 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 19:21:21,937 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 47 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:21:21,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 18 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:21:21,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2021-12-06 19:21:21,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 31. [2021-12-06 19:21:21,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.2) internal successors, (36), 30 states have internal predecessors, (36), 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 19:21:21,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2021-12-06 19:21:21,946 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 18 [2021-12-06 19:21:21,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:21:21,946 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions. [2021-12-06 19:21:21,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:21:21,946 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2021-12-06 19:21:21,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-06 19:21:21,947 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:21:21,947 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:21:21,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 19:21:21,948 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:21:21,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:21:21,949 INFO L85 PathProgramCache]: Analyzing trace with hash -933126362, now seen corresponding path program 1 times [2021-12-06 19:21:21,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:21:21,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347328783] [2021-12-06 19:21:21,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:21:21,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:21:21,987 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 19:21:21,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [760892962] [2021-12-06 19:21:21,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:21:21,988 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:21:21,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:21:21,989 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:21:21,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 19:21:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:22,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 54 conjunts are in the unsatisfiable core [2021-12-06 19:21:22,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:21:22,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-12-06 19:21:22,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 19:21:22,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-12-06 19:21:22,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2021-12-06 19:21:22,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2021-12-06 19:21:22,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2021-12-06 19:21:22,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2021-12-06 19:21:22,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2021-12-06 19:21:22,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 37 [2021-12-06 19:21:22,814 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:21:22,814 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:21:26,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:21:26,497 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:21:26,497 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:21:26,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347328783] [2021-12-06 19:21:26,498 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 19:21:26,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760892962] [2021-12-06 19:21:26,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760892962] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:21:26,498 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 19:21:26,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-12-06 19:21:26,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750694501] [2021-12-06 19:21:26,498 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 19:21:26,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-12-06 19:21:26,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:21:26,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-12-06 19:21:26,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=794, Unknown=1, NotChecked=0, Total=930 [2021-12-06 19:21:26,501 INFO L87 Difference]: Start difference. First operand 31 states and 36 transitions. Second operand has 31 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 31 states have internal predecessors, (52), 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 19:21:30,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:21:30,390 INFO L93 Difference]: Finished difference Result 58 states and 68 transitions. [2021-12-06 19:21:30,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 19:21:30,391 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 31 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-12-06 19:21:30,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:21:30,392 INFO L225 Difference]: With dead ends: 58 [2021-12-06 19:21:30,392 INFO L226 Difference]: Without dead ends: 56 [2021-12-06 19:21:30,393 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=156, Invalid=965, Unknown=1, NotChecked=0, Total=1122 [2021-12-06 19:21:30,394 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 15 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 61 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 19:21:30,394 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 169 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 342 Invalid, 0 Unknown, 61 Unchecked, 1.3s Time] [2021-12-06 19:21:30,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-12-06 19:21:30,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2021-12-06 19:21:30,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 51 states have internal predecessors, (62), 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 19:21:30,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2021-12-06 19:21:30,400 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 28 [2021-12-06 19:21:30,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:21:30,401 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2021-12-06 19:21:30,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 31 states have internal predecessors, (52), 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 19:21:30,401 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2021-12-06 19:21:30,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-06 19:21:30,402 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:21:30,402 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:21:30,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 19:21:30,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:21:30,603 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:21:30,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:21:30,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1642466588, now seen corresponding path program 2 times [2021-12-06 19:21:30,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:21:30,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830903744] [2021-12-06 19:21:30,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:21:30,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:21:30,638 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 19:21:30,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1284014869] [2021-12-06 19:21:30,638 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 19:21:30,638 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:21:30,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:21:30,639 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:21:30,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 19:21:30,677 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 19:21:30,677 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:21:30,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 19:21:30,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:21:30,724 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:21:30,724 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:21:30,759 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:21:30,760 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:21:30,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830903744] [2021-12-06 19:21:30,760 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 19:21:30,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284014869] [2021-12-06 19:21:30,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284014869] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:21:30,760 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 19:21:30,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-12-06 19:21:30,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879698194] [2021-12-06 19:21:30,761 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 19:21:30,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 19:21:30,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:21:30,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 19:21:30,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-06 19:21:30,762 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 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 19:21:30,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:21:30,860 INFO L93 Difference]: Finished difference Result 121 states and 142 transitions. [2021-12-06 19:21:30,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 19:21:30,861 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 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 30 [2021-12-06 19:21:30,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:21:30,861 INFO L225 Difference]: With dead ends: 121 [2021-12-06 19:21:30,862 INFO L226 Difference]: Without dead ends: 78 [2021-12-06 19:21:30,862 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-12-06 19:21:30,863 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 85 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:21:30,863 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 47 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:21:30,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-12-06 19:21:30,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 56. [2021-12-06 19:21:30,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.1818181818181819) internal successors, (65), 55 states have internal predecessors, (65), 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 19:21:30,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 65 transitions. [2021-12-06 19:21:30,870 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 65 transitions. Word has length 30 [2021-12-06 19:21:30,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:21:30,870 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 65 transitions. [2021-12-06 19:21:30,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 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 19:21:30,870 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2021-12-06 19:21:30,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-06 19:21:30,871 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:21:30,871 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:21:30,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 19:21:31,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:21:31,073 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:21:31,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:21:31,074 INFO L85 PathProgramCache]: Analyzing trace with hash -396360796, now seen corresponding path program 3 times [2021-12-06 19:21:31,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:21:31,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467703064] [2021-12-06 19:21:31,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:21:31,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:21:31,104 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 19:21:31,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [511323704] [2021-12-06 19:21:31,105 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 19:21:31,105 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:21:31,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:21:31,106 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:21:31,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 19:21:31,153 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-12-06 19:21:31,154 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:21:31,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 19:21:31,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:21:31,196 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:21:31,196 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:21:31,232 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:21:31,232 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:21:31,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467703064] [2021-12-06 19:21:31,233 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 19:21:31,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511323704] [2021-12-06 19:21:31,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511323704] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:21:31,233 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 19:21:31,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-12-06 19:21:31,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196132810] [2021-12-06 19:21:31,233 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 19:21:31,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 19:21:31,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:21:31,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 19:21:31,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-06 19:21:31,234 INFO L87 Difference]: Start difference. First operand 56 states and 65 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 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 19:21:31,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:21:31,327 INFO L93 Difference]: Finished difference Result 74 states and 82 transitions. [2021-12-06 19:21:31,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 19:21:31,327 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 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 30 [2021-12-06 19:21:31,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:21:31,328 INFO L225 Difference]: With dead ends: 74 [2021-12-06 19:21:31,328 INFO L226 Difference]: Without dead ends: 57 [2021-12-06 19:21:31,328 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-12-06 19:21:31,329 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 127 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:21:31,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 36 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:21:31,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-12-06 19:21:31,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 41. [2021-12-06 19:21:31,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.15) internal successors, (46), 40 states have internal predecessors, (46), 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 19:21:31,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2021-12-06 19:21:31,334 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 30 [2021-12-06 19:21:31,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:21:31,334 INFO L470 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2021-12-06 19:21:31,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 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 19:21:31,334 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2021-12-06 19:21:31,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-06 19:21:31,335 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:21:31,335 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:21:31,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 19:21:31,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:21:31,537 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:21:31,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:21:31,538 INFO L85 PathProgramCache]: Analyzing trace with hash 389318684, now seen corresponding path program 4 times [2021-12-06 19:21:31,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:21:31,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134738293] [2021-12-06 19:21:31,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:21:31,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:21:31,597 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 19:21:31,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [445250655] [2021-12-06 19:21:31,597 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-06 19:21:31,598 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:21:31,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:21:31,598 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:21:31,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 19:21:31,645 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-06 19:21:31,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:21:31,646 WARN L261 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 79 conjunts are in the unsatisfiable core [2021-12-06 19:21:31,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:21:31,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 19:21:31,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:21:31,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-12-06 19:21:31,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:21:31,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:21:31,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-12-06 19:21:31,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:21:31,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:21:31,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:21:31,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 39 [2021-12-06 19:21:31,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:21:31,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:21:31,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2021-12-06 19:21:32,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:21:32,006 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:21:32,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:21:32,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 41 [2021-12-06 19:21:32,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:21:32,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:21:32,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 39 [2021-12-06 19:21:32,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:21:32,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:21:32,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 43 [2021-12-06 19:21:32,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:21:32,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:21:32,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:21:32,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 43 [2021-12-06 19:21:32,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:21:32,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:21:32,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2021-12-06 19:21:32,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:21:32,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:21:32,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:21:32,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 39 [2021-12-06 19:21:32,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:21:32,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:21:32,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:21:32,579 INFO L354 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2021-12-06 19:21:32,579 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 39 treesize of output 50 [2021-12-06 19:21:32,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:21:32,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 37 [2021-12-06 19:21:32,753 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:21:32,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:21:34,958 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_81| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_81| (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (forall ((v_ArrVal_236 Int)) (= (+ (* 2 c_~N~0) (* c_~N~0 c_~N~0) 1) (select (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_81| 8)) v_ArrVal_236) |c_ULTIMATE.start_main_~a~0#1.offset|))))) is different from false [2021-12-06 19:22:34,799 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2021-12-06 19:22:34,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:22:34,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134738293] [2021-12-06 19:22:34,799 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 19:22:34,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445250655] [2021-12-06 19:22:34,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445250655] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:22:34,799 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 19:22:34,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 49 [2021-12-06 19:22:34,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614514247] [2021-12-06 19:22:34,800 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 19:22:34,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2021-12-06 19:22:34,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:22:34,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-12-06 19:22:34,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=2053, Unknown=21, NotChecked=92, Total=2352 [2021-12-06 19:22:34,802 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand has 49 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 49 states have internal predecessors, (70), 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 19:22:38,302 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (and (= (select .cse0 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 8))) 9) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= |c_ULTIMATE.start_main_~i~0#1| 0) (exists ((|ULTIMATE.start_main_~#sum~0#1.base| Int) (|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (and (< (+ |c_ULTIMATE.start_main_~a~0#1.base| 1) |ULTIMATE.start_main_~#sum~0#1.base|) (= 6 (select (select |c_#memory_int| |ULTIMATE.start_main_~#sum~0#1.base|) |ULTIMATE.start_main_~#sum~0#1.offset|)))) (= 3 (select .cse0 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (< 1 c_~N~0) (<= c_~N~0 2) (forall ((|v_ULTIMATE.start_main_~i~0#1_81| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_81| (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (forall ((v_ArrVal_236 Int)) (= (+ (* 2 c_~N~0) (* c_~N~0 c_~N~0) 1) (select (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_81| 8)) v_ArrVal_236) |c_ULTIMATE.start_main_~a~0#1.offset|))))))) is different from false [2021-12-06 19:23:09,285 WARN L227 SmtUtils]: Spent 5.95s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 19:23:11,290 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 9) (exists ((|ULTIMATE.start_main_~#sum~0#1.base| Int) (|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (and (< (+ |c_ULTIMATE.start_main_~a~0#1.base| 1) |ULTIMATE.start_main_~#sum~0#1.base|) (= 6 (select (select |c_#memory_int| |ULTIMATE.start_main_~#sum~0#1.base|) |ULTIMATE.start_main_~#sum~0#1.offset|)))) (< 1 c_~N~0) (<= c_~N~0 2) (forall ((|v_ULTIMATE.start_main_~i~0#1_81| Int)) (or (< |v_ULTIMATE.start_main_~i~0#1_81| (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (forall ((v_ArrVal_236 Int)) (= (+ (* 2 c_~N~0) (* c_~N~0 c_~N~0) 1) (select (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_81| 8)) v_ArrVal_236) |c_ULTIMATE.start_main_~a~0#1.offset|)))))) is different from false [2021-12-06 19:23:11,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:23:11,900 INFO L93 Difference]: Finished difference Result 92 states and 105 transitions. [2021-12-06 19:23:11,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-12-06 19:23:11,901 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 49 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-12-06 19:23:11,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:23:11,903 INFO L225 Difference]: With dead ends: 92 [2021-12-06 19:23:11,903 INFO L226 Difference]: Without dead ends: 90 [2021-12-06 19:23:11,904 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 632 ImplicationChecksByTransitivity, 94.9s TimeCoverageRelationStatistics Valid=225, Invalid=2621, Unknown=28, NotChecked=318, Total=3192 [2021-12-06 19:23:11,905 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 13 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 1152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 763 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 19:23:11,905 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 237 Invalid, 1152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 379 Invalid, 0 Unknown, 763 Unchecked, 0.3s Time] [2021-12-06 19:23:11,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2021-12-06 19:23:11,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 84. [2021-12-06 19:23:11,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.1686746987951808) internal successors, (97), 83 states have internal predecessors, (97), 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 19:23:11,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 97 transitions. [2021-12-06 19:23:11,913 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 97 transitions. Word has length 38 [2021-12-06 19:23:11,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:23:11,913 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 97 transitions. [2021-12-06 19:23:11,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 49 states have internal predecessors, (70), 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 19:23:11,914 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 97 transitions. [2021-12-06 19:23:11,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-12-06 19:23:11,915 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:23:11,915 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:23:11,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 19:23:12,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:23:12,117 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:23:12,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:23:12,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1666934362, now seen corresponding path program 5 times [2021-12-06 19:23:12,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:23:12,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888128155] [2021-12-06 19:23:12,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:23:12,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:23:12,174 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 19:23:12,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1069076975] [2021-12-06 19:23:12,174 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-06 19:23:12,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:23:12,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:23:12,175 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:23:12,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-06 19:23:12,286 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-12-06 19:23:12,286 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:23:12,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 19:23:12,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:23:12,348 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-06 19:23:12,348 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:23:12,392 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-06 19:23:12,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:23:12,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888128155] [2021-12-06 19:23:12,392 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 19:23:12,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069076975] [2021-12-06 19:23:12,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069076975] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:23:12,393 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 19:23:12,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2021-12-06 19:23:12,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417975752] [2021-12-06 19:23:12,393 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 19:23:12,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-06 19:23:12,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:23:12,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 19:23:12,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-12-06 19:23:12,394 INFO L87 Difference]: Start difference. First operand 84 states and 97 transitions. Second operand has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:23:12,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:23:12,637 INFO L93 Difference]: Finished difference Result 156 states and 177 transitions. [2021-12-06 19:23:12,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 19:23:12,637 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-12-06 19:23:12,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:23:12,638 INFO L225 Difference]: With dead ends: 156 [2021-12-06 19:23:12,638 INFO L226 Difference]: Without dead ends: 122 [2021-12-06 19:23:12,638 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-12-06 19:23:12,639 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 109 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 19:23:12,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 119 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 19:23:12,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-12-06 19:23:12,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 80. [2021-12-06 19:23:12,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 79 states have (on average 1.1518987341772151) internal successors, (91), 79 states have internal predecessors, (91), 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 19:23:12,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 91 transitions. [2021-12-06 19:23:12,647 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 91 transitions. Word has length 40 [2021-12-06 19:23:12,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:23:12,648 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 91 transitions. [2021-12-06 19:23:12,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:23:12,648 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 91 transitions. [2021-12-06 19:23:12,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-12-06 19:23:12,649 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:23:12,649 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:23:12,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-06 19:23:12,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:23:12,850 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:23:12,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:23:12,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1546505432, now seen corresponding path program 6 times [2021-12-06 19:23:12,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:23:12,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769172656] [2021-12-06 19:23:12,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:23:12,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:23:12,881 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 19:23:12,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [604268637] [2021-12-06 19:23:12,882 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-12-06 19:23:12,882 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:23:12,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:23:12,882 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:23:12,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-06 19:23:12,942 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-12-06 19:23:12,942 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:23:12,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 19:23:12,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:23:13,009 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-06 19:23:13,009 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:23:13,060 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-06 19:23:13,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:23:13,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769172656] [2021-12-06 19:23:13,061 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 19:23:13,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604268637] [2021-12-06 19:23:13,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604268637] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:23:13,061 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 19:23:13,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2021-12-06 19:23:13,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832062261] [2021-12-06 19:23:13,061 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 19:23:13,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-06 19:23:13,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:23:13,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 19:23:13,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-12-06 19:23:13,062 INFO L87 Difference]: Start difference. First operand 80 states and 91 transitions. Second operand has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:23:13,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:23:13,201 INFO L93 Difference]: Finished difference Result 148 states and 163 transitions. [2021-12-06 19:23:13,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 19:23:13,202 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-12-06 19:23:13,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:23:13,202 INFO L225 Difference]: With dead ends: 148 [2021-12-06 19:23:13,202 INFO L226 Difference]: Without dead ends: 107 [2021-12-06 19:23:13,203 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2021-12-06 19:23:13,203 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 113 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:23:13,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 68 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:23:13,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-12-06 19:23:13,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 82. [2021-12-06 19:23:13,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.0864197530864197) internal successors, (88), 81 states have internal predecessors, (88), 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 19:23:13,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 88 transitions. [2021-12-06 19:23:13,211 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 88 transitions. Word has length 42 [2021-12-06 19:23:13,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:23:13,211 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 88 transitions. [2021-12-06 19:23:13,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:23:13,211 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2021-12-06 19:23:13,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-12-06 19:23:13,212 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:23:13,212 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:23:13,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-06 19:23:13,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:23:13,414 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:23:13,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:23:13,415 INFO L85 PathProgramCache]: Analyzing trace with hash -465930606, now seen corresponding path program 1 times [2021-12-06 19:23:13,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:23:13,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477527287] [2021-12-06 19:23:13,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:23:13,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:23:13,450 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 19:23:13,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [168318043] [2021-12-06 19:23:13,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:23:13,451 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:23:13,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:23:13,452 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:23:13,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-06 19:23:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:23:13,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 80 conjunts are in the unsatisfiable core [2021-12-06 19:23:13,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:23:13,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-12-06 19:23:13,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-12-06 19:23:13,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:23:13,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-12-06 19:23:13,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 19:23:13,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:23:13,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-12-06 19:23:13,729 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:23:13,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:23:13,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2021-12-06 19:23:13,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:23:13,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 34 [2021-12-06 19:23:13,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2021-12-06 19:23:13,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2021-12-06 19:23:13,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2021-12-06 19:23:13,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:23:13,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 27 [2021-12-06 19:23:13,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:23:13,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:23:13,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2021-12-06 19:23:14,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:23:14,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 31 [2021-12-06 19:23:14,292 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 19:23:14,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 83 [2021-12-06 19:23:14,309 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 19:23:14,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:23:15,150 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 19:23:15,150 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 182 treesize of output 152 [2021-12-06 19:23:25,482 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_arrayElimArr_1 (Array Int Int))) (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse6 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse7 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 8)))) (store .cse6 .cse7 (+ (select .cse6 .cse7) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) |c_ULTIMATE.start_main_~#sum~0#1.base| v_arrayElimArr_1))) (let ((.cse1 (let ((.cse5 (select .cse4 |c_ULTIMATE.start_main_~a~0#1.base|))) (store .cse5 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (select .cse5 |c_ULTIMATE.start_main_~a~0#1.offset|) (select v_arrayElimArr_1 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (.cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse3 (+ (select (select (store .cse4 |c_ULTIMATE.start_main_~a~0#1.base| .cse1) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse1 .cse2))) (.cse0 (+ (* 2 c_~N~0) (* c_~N~0 c_~N~0) 1))) (or (not (= .cse0 (select (store .cse1 .cse2 .cse3) |c_ULTIMATE.start_main_~a~0#1.offset|))) (= .cse3 .cse0)))))) is different from false [2021-12-06 19:23:27,651 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_arrayElimArr_1 (Array Int Int))) (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse6 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse7 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 8) 8))) (store .cse6 .cse7 (+ (select .cse6 .cse7) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) |c_ULTIMATE.start_main_~#sum~0#1.base| v_arrayElimArr_1))) (let ((.cse2 (let ((.cse5 (select .cse4 |c_ULTIMATE.start_main_~a~0#1.base|))) (store .cse5 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (select .cse5 |c_ULTIMATE.start_main_~a~0#1.offset|) (select v_arrayElimArr_1 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (.cse3 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse1 (+ (* 2 c_~N~0) (* c_~N~0 c_~N~0) 1)) (.cse0 (+ (select (select (store .cse4 |c_ULTIMATE.start_main_~a~0#1.base| .cse2) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse2 .cse3)))) (or (= .cse0 .cse1) (not (= .cse1 (select (store .cse2 .cse3 .cse0) |c_ULTIMATE.start_main_~a~0#1.offset|)))))))) is different from false [2021-12-06 19:23:32,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2021-12-06 19:23:32,122 WARN L228 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-12-06 19:23:32,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:23:32,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477527287] [2021-12-06 19:23:32,123 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 19:23:32,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168318043] [2021-12-06 19:23:32,123 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") [2021-12-06 19:23:32,123 INFO L186 FreeRefinementEngine]: Found 0 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:23:32,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-12-06 19:23:32,124 ERROR L172 FreeRefinementEngine]: Strategy CAMEL failed to provide any proof altough trace is infeasible [2021-12-06 19:23:32,124 INFO L628 BasicCegarLoop]: Counterexample might be feasible [2021-12-06 19:23:32,128 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 19:23:32,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-06 19:23:32,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:23:32,339 INFO L732 BasicCegarLoop]: Path program histogram: [6, 1, 1, 1] [2021-12-06 19:23:32,346 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 19:23:32,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 07:23:32 BoogieIcfgContainer [2021-12-06 19:23:32,379 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 19:23:32,379 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 19:23:32,379 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 19:23:32,379 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 19:23:32,380 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:21:21" (3/4) ... [2021-12-06 19:23:32,381 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 19:23:32,382 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 19:23:32,382 INFO L158 Benchmark]: Toolchain (without parser) took 131344.15ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 82.7MB in the beginning and 80.7MB in the end (delta: 2.0MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2021-12-06 19:23:32,382 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 75.5MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:23:32,382 INFO L158 Benchmark]: CACSL2BoogieTranslator took 160.62ms. Allocated memory is still 107.0MB. Free memory was 82.4MB in the beginning and 78.3MB in the end (delta: 4.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 19:23:32,383 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.10ms. Allocated memory is still 107.0MB. Free memory was 78.3MB in the beginning and 76.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:23:32,383 INFO L158 Benchmark]: Boogie Preprocessor took 20.73ms. Allocated memory is still 107.0MB. Free memory was 76.6MB in the beginning and 75.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 19:23:32,383 INFO L158 Benchmark]: RCFGBuilder took 230.99ms. Allocated memory is still 107.0MB. Free memory was 75.1MB in the beginning and 63.7MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-06 19:23:32,383 INFO L158 Benchmark]: TraceAbstraction took 130898.97ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 63.3MB in the beginning and 81.7MB in the end (delta: -18.5MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2021-12-06 19:23:32,383 INFO L158 Benchmark]: Witness Printer took 2.42ms. Allocated memory is still 130.0MB. Free memory was 81.7MB in the beginning and 80.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 19:23:32,385 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 75.5MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 160.62ms. Allocated memory is still 107.0MB. Free memory was 82.4MB in the beginning and 78.3MB in the end (delta: 4.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.10ms. Allocated memory is still 107.0MB. Free memory was 78.3MB in the beginning and 76.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.73ms. Allocated memory is still 107.0MB. Free memory was 76.6MB in the beginning and 75.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 230.99ms. Allocated memory is still 107.0MB. Free memory was 75.1MB in the beginning and 63.7MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 130898.97ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 63.3MB in the beginning and 81.7MB in the end (delta: -18.5MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Witness Printer took 2.42ms. Allocated memory is still 130.0MB. Free memory was 81.7MB in the beginning and 80.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 15]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] long long *a = malloc(sizeof(long long)*N); [L31] sum[0] = 0 [L32] i=0 [L32] COND TRUE i main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/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 -> 4c9ca6c94ff0fae82185b19014fc033eef7a37c04f3b092e10c4eebb38e41241 [2021-12-06 19:23:34,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:23:34,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:23:34,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:23:34,054 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:23:34,055 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:23:34,056 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/array-fpi/ssina.c [2021-12-06 19:23:34,097 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/data/d3dc1cc01/53e8ac0b0fd2407cbca5c542988532f7/FLAG93dc1d715 [2021-12-06 19:23:34,481 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:23:34,482 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/sv-benchmarks/c/array-fpi/ssina.c [2021-12-06 19:23:34,487 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/data/d3dc1cc01/53e8ac0b0fd2407cbca5c542988532f7/FLAG93dc1d715 [2021-12-06 19:23:34,496 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/data/d3dc1cc01/53e8ac0b0fd2407cbca5c542988532f7 [2021-12-06 19:23:34,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:23:34,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:23:34,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:23:34,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:23:34,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:23:34,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:23:34" (1/1) ... [2021-12-06 19:23:34,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a7a3ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:23:34, skipping insertion in model container [2021-12-06 19:23:34,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:23:34" (1/1) ... [2021-12-06 19:23:34,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:23:34,520 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:23:34,615 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_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/sv-benchmarks/c/array-fpi/ssina.c[588,601] [2021-12-06 19:23:34,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:23:34,641 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:23:34,656 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_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/sv-benchmarks/c/array-fpi/ssina.c[588,601] [2021-12-06 19:23:34,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:23:34,688 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:23:34,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:23:34 WrapperNode [2021-12-06 19:23:34,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:23:34,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:23:34,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:23:34,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:23:34,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:23:34" (1/1) ... [2021-12-06 19:23:34,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:23:34" (1/1) ... [2021-12-06 19:23:34,724 INFO L137 Inliner]: procedures = 19, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 110 [2021-12-06 19:23:34,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:23:34,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:23:34,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:23:34,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:23:34,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:23:34" (1/1) ... [2021-12-06 19:23:34,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:23:34" (1/1) ... [2021-12-06 19:23:34,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:23:34" (1/1) ... [2021-12-06 19:23:34,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:23:34" (1/1) ... [2021-12-06 19:23:34,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:23:34" (1/1) ... [2021-12-06 19:23:34,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:23:34" (1/1) ... [2021-12-06 19:23:34,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:23:34" (1/1) ... [2021-12-06 19:23:34,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:23:34,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:23:34,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:23:34,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:23:34,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:23:34" (1/1) ... [2021-12-06 19:23:34,755 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:23:34,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:23:34,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 19:23:34,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 19:23:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 19:23:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-06 19:23:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 19:23:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-06 19:23:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 19:23:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:23:34,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:23:34,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-06 19:23:34,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 19:23:34,860 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:23:34,861 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:23:35,093 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:23:35,099 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:23:35,099 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-06 19:23:35,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:23:35 BoogieIcfgContainer [2021-12-06 19:23:35,101 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:23:35,103 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 19:23:35,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 19:23:35,106 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 19:23:35,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:23:34" (1/3) ... [2021-12-06 19:23:35,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@245d55f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:23:35, skipping insertion in model container [2021-12-06 19:23:35,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:23:34" (2/3) ... [2021-12-06 19:23:35,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@245d55f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:23:35, skipping insertion in model container [2021-12-06 19:23:35,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:23:35" (3/3) ... [2021-12-06 19:23:35,109 INFO L111 eAbstractionObserver]: Analyzing ICFG ssina.c [2021-12-06 19:23:35,114 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 19:23:35,114 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 19:23:35,152 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 19:23:35,157 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 19:23:35,158 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 19:23:35,169 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 29 states have internal predecessors, (44), 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 19:23:35,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-06 19:23:35,178 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:23:35,179 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:23:35,179 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:23:35,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:23:35,184 INFO L85 PathProgramCache]: Analyzing trace with hash -635308358, now seen corresponding path program 1 times [2021-12-06 19:23:35,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 19:23:35,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [287004039] [2021-12-06 19:23:35,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:23:35,196 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 19:23:35,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 19:23:35,197 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 19:23:35,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-06 19:23:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:23:35,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-06 19:23:35,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:23:35,328 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 19:23:35,328 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:23:35,329 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 19:23:35,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [287004039] [2021-12-06 19:23:35,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [287004039] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:23:35,330 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:23:35,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 19:23:35,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120516431] [2021-12-06 19:23:35,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:23:35,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 19:23:35,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 19:23:35,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 19:23:35,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 19:23:35,358 INFO L87 Difference]: Start difference. First operand has 30 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:23:35,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:23:35,369 INFO L93 Difference]: Finished difference Result 56 states and 82 transitions. [2021-12-06 19:23:35,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 19:23:35,371 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-12-06 19:23:35,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:23:35,376 INFO L225 Difference]: With dead ends: 56 [2021-12-06 19:23:35,376 INFO L226 Difference]: Without dead ends: 26 [2021-12-06 19:23:35,378 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 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 19:23:35,381 INFO L933 BasicCegarLoop]: 36 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, 36 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 19:23:35,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:23:35,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-12-06 19:23:35,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-12-06 19:23:35,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:23:35,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2021-12-06 19:23:35,405 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 18 [2021-12-06 19:23:35,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:23:35,405 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-12-06 19:23:35,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:23:35,405 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2021-12-06 19:23:35,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-06 19:23:35,406 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:23:35,406 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:23:35,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-06 19:23:35,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 19:23:35,608 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:23:35,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:23:35,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1344199344, now seen corresponding path program 1 times [2021-12-06 19:23:35,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 19:23:35,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [74248174] [2021-12-06 19:23:35,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:23:35,614 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 19:23:35,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 19:23:35,617 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 19:23:35,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-06 19:23:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:23:35,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 19:23:35,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:23:35,940 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 19:23:35,940 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:23:35,940 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 19:23:35,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [74248174] [2021-12-06 19:23:35,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [74248174] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:23:35,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:23:35,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:23:35,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43067957] [2021-12-06 19:23:35,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:23:35,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:23:35,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 19:23:35,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:23:35,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:23:35,942 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:23:36,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:23:36,149 INFO L93 Difference]: Finished difference Result 61 states and 75 transitions. [2021-12-06 19:23:36,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:23:36,154 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-12-06 19:23:36,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:23:36,155 INFO L225 Difference]: With dead ends: 61 [2021-12-06 19:23:36,155 INFO L226 Difference]: Without dead ends: 42 [2021-12-06 19:23:36,156 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:23:36,157 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 70 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 19:23:36,157 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 16 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 19:23:36,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2021-12-06 19:23:36,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 31. [2021-12-06 19:23:36,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.2) internal successors, (36), 30 states have internal predecessors, (36), 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 19:23:36,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2021-12-06 19:23:36,163 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 18 [2021-12-06 19:23:36,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:23:36,163 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions. [2021-12-06 19:23:36,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:23:36,163 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2021-12-06 19:23:36,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-06 19:23:36,164 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:23:36,164 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:23:36,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-06 19:23:36,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 19:23:36,366 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:23:36,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:23:36,368 INFO L85 PathProgramCache]: Analyzing trace with hash -933126362, now seen corresponding path program 1 times [2021-12-06 19:23:36,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 19:23:36,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [414789193] [2021-12-06 19:23:36,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:23:36,371 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 19:23:36,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 19:23:36,374 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 19:23:36,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-06 19:23:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:23:36,672 WARN L261 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 49 conjunts are in the unsatisfiable core [2021-12-06 19:23:36,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:23:36,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2021-12-06 19:23:36,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:23:36,796 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:23:36,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-12-06 19:23:36,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:23:36,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:23:36,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:23:36,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 50 [2021-12-06 19:23:37,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:23:37,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:23:37,202 INFO L354 Elim1Store]: treesize reduction 60, result has 25.9 percent of original size [2021-12-06 19:23:37,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 103 treesize of output 63 [2021-12-06 19:23:37,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:23:37,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:23:37,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 73 [2021-12-06 19:23:37,557 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:23:37,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:23:37,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:23:37,581 INFO L354 Elim1Store]: treesize reduction 52, result has 24.6 percent of original size [2021-12-06 19:23:37,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 99 treesize of output 75 [2021-12-06 19:23:37,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:23:37,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:23:37,688 INFO L354 Elim1Store]: treesize reduction 60, result has 25.9 percent of original size [2021-12-06 19:23:37,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 147 treesize of output 107 [2021-12-06 19:23:37,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:23:37,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 159 [2021-12-06 19:23:38,248 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-12-06 19:23:38,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 391 treesize of output 355 [2021-12-06 19:23:38,329 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:23:38,329 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:24:20,623 WARN L838 $PredicateComparison]: unable to prove that (= (let ((.cse0 ((_ sign_extend 32) (bvadd c_~N~0 (_ bv1 32))))) (bvmul .cse0 .cse0)) (let ((.cse4 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse10 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse7 (let ((.cse18 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse19 (bvadd (let ((.cse20 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse20 .cse4) (select .cse20 |c_ULTIMATE.start_main_~a~0#1.offset|))) (concat (select .cse18 .cse10) (select .cse18 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse16 ((_ extract 63 32) .cse19))) (let ((.cse17 (store (store .cse18 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse19)) .cse10 .cse16))) (let ((.cse13 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| .cse17))) (store .cse13 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse14 (select .cse13 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse15 (bvadd (concat .cse16 (select .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse14 .cse4) (select .cse14 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store (store .cse14 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse15)) .cse4 ((_ extract 63 32) .cse15))))))))))) (.cse11 ((_ extract 63 32) (_ bv0 64)))) (let ((.cse8 (store (store (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) (_ bv0 64))) .cse10 .cse11))) (let ((.cse9 (bvadd (concat .cse11 (select .cse8 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (let ((.cse12 (select (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse8) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse12 .cse4) (select .cse12 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (let ((.cse5 ((_ extract 63 32) .cse9))) (let ((.cse6 (store (store .cse8 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse9)) .cse10 .cse5))) (let ((.cse2 (select (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse6) |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse3 (bvadd (concat .cse5 (select .cse6 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse2 .cse4) (select .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (let ((.cse1 ((_ extract 63 32) .cse3))) (concat .cse1 (select (store (store .cse2 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse3)) .cse4 .cse1) |c_ULTIMATE.start_main_~a~0#1.offset|)))))))))))) is different from false [2021-12-06 19:25:10,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2021-12-06 19:25:10,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:25:10,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:25:10,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:25:10,266 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:25:10,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:25:10,458 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 19:25:10,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 14 case distinctions, treesize of input 15381 treesize of output 3201 [2021-12-06 19:25:10,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:25:10,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 3123 treesize of output 3051 [2021-12-06 19:25:10,487 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:25:10,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 3101 treesize of output 2901 [2021-12-06 19:25:10,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1949 treesize of output 1945 [2021-12-06 19:25:10,519 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:25:10,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1877 treesize of output 1841 [2021-12-06 19:25:10,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:25:10,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1793 treesize of output 1783 [2021-12-06 19:25:10,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1257 treesize of output 1253 [2021-12-06 19:25:10,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 762 treesize of output 758 [2021-12-06 19:25:10,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 223 [2021-12-06 19:25:18,807 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:25:18,807 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 19:25:18,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [414789193] [2021-12-06 19:25:18,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [414789193] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:25:18,808 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 19:25:18,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2021-12-06 19:25:18,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842149623] [2021-12-06 19:25:18,808 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 19:25:18,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-12-06 19:25:18,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 19:25:18,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-12-06 19:25:18,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=897, Unknown=11, NotChecked=62, Total=1122 [2021-12-06 19:25:18,811 INFO L87 Difference]: Start difference. First operand 31 states and 36 transitions. Second operand has 34 states, 34 states have (on average 1.5588235294117647) internal successors, (53), 34 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:25:50,196 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:25:58,061 WARN L227 SmtUtils]: Spent 5.76s on a formula simplification. DAG size of input: 104 DAG size of output: 93 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 19:26:02,934 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:26:04,955 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse9 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse12 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse14 (let ((.cse65 ((_ sign_extend 32) (bvadd c_~N~0 (_ bv1 32))))) (bvmul .cse65 .cse65))) (.cse13 ((_ extract 31 0) (_ bv0 64))) (.cse10 ((_ extract 63 32) (_ bv0 64))) (.cse4 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse33 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse48 (concat (select .cse12 .cse9) (select .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (.cse64 (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv8 32)))) (let ((.cse0 (bvule c_~N~0 (_ bv536870911 32))) (.cse35 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset| .cse64)) (.cse34 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| .cse64)) (.cse37 (= .cse14 (let ((.cse54 (let ((.cse63 (bvadd (concat (select .cse33 .cse4) (select .cse33 |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse48))) (let ((.cse61 ((_ extract 63 32) .cse63))) (let ((.cse62 (store (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse63)) .cse9 .cse61))) (let ((.cse58 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| .cse62))) (store .cse58 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse59 (select .cse58 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse60 (bvadd (concat .cse61 (select .cse62 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse59 .cse4) (select .cse59 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store (store .cse59 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse60)) .cse4 ((_ extract 63 32) .cse60))))))))))) (let ((.cse55 (store (store (select .cse54 |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse13) .cse9 .cse10))) (let ((.cse56 (bvadd (concat .cse10 (select .cse55 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (let ((.cse57 (select (store .cse54 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse55) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse57 .cse4) (select .cse57 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (let ((.cse52 ((_ extract 63 32) .cse56))) (let ((.cse53 (store (store .cse55 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse56)) .cse9 .cse52))) (let ((.cse50 (select (store .cse54 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse53) |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse51 (bvadd (concat .cse52 (select .cse53 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse50 .cse4) (select .cse50 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (let ((.cse49 ((_ extract 63 32) .cse51))) (concat .cse49 (select (store (store .cse50 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse51)) .cse4 .cse49) |c_ULTIMATE.start_main_~a~0#1.offset|)))))))))))) (.cse36 (bvslt (bvadd |c_ULTIMATE.start_main_~i~0#1| (_ bv1 32)) c_~N~0))) (and .cse0 (= (let ((.cse7 (store (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse13) .cse9 .cse10))) (let ((.cse8 (bvadd (concat .cse10 (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (let ((.cse11 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| .cse7) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse11 .cse4) (select .cse11 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (let ((.cse5 ((_ extract 63 32) .cse8))) (let ((.cse6 (store (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse8)) .cse9 .cse5))) (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| .cse6) |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse3 (bvadd (concat .cse5 (select .cse6 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse2 .cse4) (select .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (let ((.cse1 ((_ extract 63 32) .cse3))) (concat .cse1 (select (store (store .cse2 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse3)) .cse4 .cse1) |c_ULTIMATE.start_main_~a~0#1.offset|))))))))) .cse14) (or (and .cse0 (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| (_ bv1 32))) (and (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| (_ bv0 32)) (not .cse0))) (or (= (let ((.cse20 (let ((.cse32 (store (store .cse33 .cse34 ((_ extract 31 0) (_ bv1 64))) .cse35 ((_ extract 63 32) (_ bv1 64))))) (let ((.cse29 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse32))) (let ((.cse30 (select .cse29 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse31 (bvadd (concat (select .cse32 .cse4) (select .cse32 |c_ULTIMATE.start_main_~a~0#1.offset|)) (concat (select .cse30 .cse9) (select .cse30 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse27 ((_ extract 63 32) .cse31))) (let ((.cse28 (store (store .cse30 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse31)) .cse9 .cse27))) (let ((.cse24 (store .cse29 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse28))) (store .cse24 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse25 (select .cse24 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse26 (bvadd (concat (select .cse25 .cse4) (select .cse25 |c_ULTIMATE.start_main_~a~0#1.offset|)) (concat .cse27 (select .cse28 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (store (store .cse25 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse26)) .cse4 ((_ extract 63 32) .cse26)))))))))))))) (let ((.cse21 (store (store (select .cse20 |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse13) .cse9 .cse10))) (let ((.cse22 (bvadd (concat .cse10 (select .cse21 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (let ((.cse23 (select (store .cse20 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse21) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse23 .cse4) (select .cse23 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (let ((.cse18 ((_ extract 63 32) .cse22))) (let ((.cse19 (store (store .cse21 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse22)) .cse9 .cse18))) (let ((.cse16 (select (store .cse20 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse19) |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse17 (bvadd (concat .cse18 (select .cse19 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse16 .cse4) (select .cse16 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (let ((.cse15 ((_ extract 63 32) .cse17))) (concat .cse15 (select (store (store .cse16 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse17)) .cse4 .cse15) |c_ULTIMATE.start_main_~a~0#1.offset|)))))))))) .cse14) .cse36) (or .cse37 (bvslt |c_ULTIMATE.start_main_~i~0#1| c_~N~0)) (= .cse14 (let ((.cse43 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse47 (bvadd .cse48 (concat (select .cse33 .cse35) (select .cse33 .cse34))))) (store (store .cse33 .cse34 ((_ extract 31 0) .cse47)) .cse35 ((_ extract 63 32) .cse47)))))) (let ((.cse44 (store (store (select .cse43 |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse13) .cse9 .cse10))) (let ((.cse45 (bvadd (let ((.cse46 (select (store .cse43 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse44) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse46 .cse4) (select .cse46 |c_ULTIMATE.start_main_~a~0#1.offset|))) (concat .cse10 (select .cse44 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse41 ((_ extract 63 32) .cse45))) (let ((.cse42 (store (store .cse44 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse45)) .cse9 .cse41))) (let ((.cse39 (select (store .cse43 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse42) |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse40 (bvadd (concat (select .cse39 .cse4) (select .cse39 |c_ULTIMATE.start_main_~a~0#1.offset|)) (concat .cse41 (select .cse42 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse38 ((_ extract 63 32) .cse40))) (concat .cse38 (select (store (store .cse39 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse40)) .cse4 .cse38) |c_ULTIMATE.start_main_~a~0#1.offset|))))))))))) (or .cse37 .cse36) (not (bvsle c_~N~0 (_ bv0 32))))))) is different from false [2021-12-06 19:26:06,968 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse9 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse12 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse14 (let ((.cse65 ((_ sign_extend 32) (bvadd c_~N~0 (_ bv1 32))))) (bvmul .cse65 .cse65))) (.cse13 ((_ extract 31 0) (_ bv0 64))) (.cse10 ((_ extract 63 32) (_ bv0 64))) (.cse4 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse33 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse48 (concat (select .cse12 .cse9) (select .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (.cse64 (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv8 32)))) (let ((.cse0 (bvule c_~N~0 (_ bv536870911 32))) (.cse35 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset| .cse64)) (.cse34 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| .cse64)) (.cse37 (= .cse14 (let ((.cse54 (let ((.cse63 (bvadd (concat (select .cse33 .cse4) (select .cse33 |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse48))) (let ((.cse61 ((_ extract 63 32) .cse63))) (let ((.cse62 (store (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse63)) .cse9 .cse61))) (let ((.cse58 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| .cse62))) (store .cse58 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse59 (select .cse58 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse60 (bvadd (concat .cse61 (select .cse62 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse59 .cse4) (select .cse59 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store (store .cse59 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse60)) .cse4 ((_ extract 63 32) .cse60))))))))))) (let ((.cse55 (store (store (select .cse54 |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse13) .cse9 .cse10))) (let ((.cse56 (bvadd (concat .cse10 (select .cse55 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (let ((.cse57 (select (store .cse54 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse55) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse57 .cse4) (select .cse57 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (let ((.cse52 ((_ extract 63 32) .cse56))) (let ((.cse53 (store (store .cse55 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse56)) .cse9 .cse52))) (let ((.cse50 (select (store .cse54 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse53) |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse51 (bvadd (concat .cse52 (select .cse53 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse50 .cse4) (select .cse50 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (let ((.cse49 ((_ extract 63 32) .cse51))) (concat .cse49 (select (store (store .cse50 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse51)) .cse4 .cse49) |c_ULTIMATE.start_main_~a~0#1.offset|)))))))))))) (.cse36 (bvslt (bvadd |c_ULTIMATE.start_main_~i~0#1| (_ bv1 32)) c_~N~0))) (and .cse0 (= (let ((.cse7 (store (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse13) .cse9 .cse10))) (let ((.cse8 (bvadd (concat .cse10 (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (let ((.cse11 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| .cse7) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse11 .cse4) (select .cse11 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (let ((.cse5 ((_ extract 63 32) .cse8))) (let ((.cse6 (store (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse8)) .cse9 .cse5))) (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| .cse6) |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse3 (bvadd (concat .cse5 (select .cse6 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse2 .cse4) (select .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (let ((.cse1 ((_ extract 63 32) .cse3))) (concat .cse1 (select (store (store .cse2 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse3)) .cse4 .cse1) |c_ULTIMATE.start_main_~a~0#1.offset|))))))))) .cse14) (or (and .cse0 (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| (_ bv1 32))) (and (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| (_ bv0 32)) (not .cse0))) (or (= (let ((.cse20 (let ((.cse32 (store (store .cse33 .cse34 ((_ extract 31 0) (_ bv1 64))) .cse35 ((_ extract 63 32) (_ bv1 64))))) (let ((.cse29 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse32))) (let ((.cse30 (select .cse29 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse31 (bvadd (concat (select .cse32 .cse4) (select .cse32 |c_ULTIMATE.start_main_~a~0#1.offset|)) (concat (select .cse30 .cse9) (select .cse30 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse27 ((_ extract 63 32) .cse31))) (let ((.cse28 (store (store .cse30 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse31)) .cse9 .cse27))) (let ((.cse24 (store .cse29 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse28))) (store .cse24 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse25 (select .cse24 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse26 (bvadd (concat (select .cse25 .cse4) (select .cse25 |c_ULTIMATE.start_main_~a~0#1.offset|)) (concat .cse27 (select .cse28 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (store (store .cse25 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse26)) .cse4 ((_ extract 63 32) .cse26)))))))))))))) (let ((.cse21 (store (store (select .cse20 |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse13) .cse9 .cse10))) (let ((.cse22 (bvadd (concat .cse10 (select .cse21 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (let ((.cse23 (select (store .cse20 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse21) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse23 .cse4) (select .cse23 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (let ((.cse18 ((_ extract 63 32) .cse22))) (let ((.cse19 (store (store .cse21 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse22)) .cse9 .cse18))) (let ((.cse16 (select (store .cse20 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse19) |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse17 (bvadd (concat .cse18 (select .cse19 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse16 .cse4) (select .cse16 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (let ((.cse15 ((_ extract 63 32) .cse17))) (concat .cse15 (select (store (store .cse16 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse17)) .cse4 .cse15) |c_ULTIMATE.start_main_~a~0#1.offset|)))))))))) .cse14) .cse36) (or .cse37 (bvslt |c_ULTIMATE.start_main_~i~0#1| c_~N~0)) (= .cse14 (let ((.cse43 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse47 (bvadd .cse48 (concat (select .cse33 .cse35) (select .cse33 .cse34))))) (store (store .cse33 .cse34 ((_ extract 31 0) .cse47)) .cse35 ((_ extract 63 32) .cse47)))))) (let ((.cse44 (store (store (select .cse43 |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse13) .cse9 .cse10))) (let ((.cse45 (bvadd (let ((.cse46 (select (store .cse43 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse44) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse46 .cse4) (select .cse46 |c_ULTIMATE.start_main_~a~0#1.offset|))) (concat .cse10 (select .cse44 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse41 ((_ extract 63 32) .cse45))) (let ((.cse42 (store (store .cse44 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse45)) .cse9 .cse41))) (let ((.cse39 (select (store .cse43 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse42) |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse40 (bvadd (concat (select .cse39 .cse4) (select .cse39 |c_ULTIMATE.start_main_~a~0#1.offset|)) (concat .cse41 (select .cse42 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse38 ((_ extract 63 32) .cse40))) (concat .cse38 (select (store (store .cse39 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse40)) .cse4 .cse38) |c_ULTIMATE.start_main_~a~0#1.offset|))))))))))) (or .cse37 .cse36) (not (bvsle c_~N~0 (_ bv0 32))))))) is different from true [2021-12-06 19:26:11,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:26:22,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:26:22,346 INFO L93 Difference]: Finished difference Result 65 states and 76 transitions. [2021-12-06 19:26:22,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-06 19:26:22,357 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 1.5588235294117647) internal successors, (53), 34 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-12-06 19:26:22,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:26:22,358 INFO L225 Difference]: With dead ends: 65 [2021-12-06 19:26:22,358 INFO L226 Difference]: Without dead ends: 63 [2021-12-06 19:26:22,360 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 479 ImplicationChecksByTransitivity, 125.1s TimeCoverageRelationStatistics Valid=320, Invalid=1837, Unknown=13, NotChecked=182, Total=2352 [2021-12-06 19:26:22,361 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 81 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 97 IncrementalHoareTripleChecker+Unchecked, 29.7s IncrementalHoareTripleChecker+Time [2021-12-06 19:26:22,361 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [81 Valid, 105 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 408 Invalid, 0 Unknown, 97 Unchecked, 29.7s Time] [2021-12-06 19:26:22,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-12-06 19:26:22,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 52. [2021-12-06 19:26:22,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 51 states have internal predecessors, (62), 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 19:26:22,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2021-12-06 19:26:22,371 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 28 [2021-12-06 19:26:22,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:26:22,372 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2021-12-06 19:26:22,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.5588235294117647) internal successors, (53), 34 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:26:22,372 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2021-12-06 19:26:22,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-06 19:26:22,373 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:26:22,374 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:26:22,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-06 19:26:22,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 19:26:22,576 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:26:22,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:26:22,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1642466588, now seen corresponding path program 2 times [2021-12-06 19:26:22,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 19:26:22,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1625811361] [2021-12-06 19:26:22,581 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 19:26:22,582 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 19:26:22,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 19:26:22,585 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 19:26:22,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-06 19:26:22,775 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 19:26:22,775 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:26:22,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 19:26:22,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:26:23,058 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:26:23,058 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:26:23,270 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:26:23,270 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 19:26:23,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1625811361] [2021-12-06 19:26:23,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1625811361] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:26:23,270 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 19:26:23,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 14 [2021-12-06 19:26:23,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373726588] [2021-12-06 19:26:23,271 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 19:26:23,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-06 19:26:23,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 19:26:23,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-06 19:26:23,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2021-12-06 19:26:23,274 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 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 19:26:24,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:26:24,339 INFO L93 Difference]: Finished difference Result 118 states and 139 transitions. [2021-12-06 19:26:24,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 19:26:24,340 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 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 30 [2021-12-06 19:26:24,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:26:24,341 INFO L225 Difference]: With dead ends: 118 [2021-12-06 19:26:24,341 INFO L226 Difference]: Without dead ends: 75 [2021-12-06 19:26:24,342 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2021-12-06 19:26:24,342 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 198 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-06 19:26:24,343 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [198 Valid, 70 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-06 19:26:24,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-12-06 19:26:24,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 56. [2021-12-06 19:26:24,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.1818181818181819) internal successors, (65), 55 states have internal predecessors, (65), 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 19:26:24,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 65 transitions. [2021-12-06 19:26:24,350 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 65 transitions. Word has length 30 [2021-12-06 19:26:24,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:26:24,350 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 65 transitions. [2021-12-06 19:26:24,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 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 19:26:24,350 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2021-12-06 19:26:24,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-06 19:26:24,351 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:26:24,351 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:26:24,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-12-06 19:26:24,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 19:26:24,553 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:26:24,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:26:24,555 INFO L85 PathProgramCache]: Analyzing trace with hash -396360796, now seen corresponding path program 3 times [2021-12-06 19:26:24,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 19:26:24,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [345111445] [2021-12-06 19:26:24,556 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 19:26:24,557 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 19:26:24,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 19:26:24,558 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 19:26:24,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-06 19:26:24,753 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-12-06 19:26:24,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:26:24,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-06 19:26:24,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:26:25,099 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:26:25,099 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:26:25,427 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:26:25,428 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 19:26:25,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [345111445] [2021-12-06 19:26:25,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [345111445] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:26:25,428 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 19:26:25,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 18 [2021-12-06 19:26:25,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967755609] [2021-12-06 19:26:25,428 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 19:26:25,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 19:26:25,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 19:26:25,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 19:26:25,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2021-12-06 19:26:25,429 INFO L87 Difference]: Start difference. First operand 56 states and 65 transitions. Second operand has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 18 states have internal predecessors, (46), 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 19:26:27,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:26:27,063 INFO L93 Difference]: Finished difference Result 154 states and 183 transitions. [2021-12-06 19:26:27,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-06 19:26:27,064 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 18 states have internal predecessors, (46), 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 30 [2021-12-06 19:26:27,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:26:27,065 INFO L225 Difference]: With dead ends: 154 [2021-12-06 19:26:27,065 INFO L226 Difference]: Without dead ends: 109 [2021-12-06 19:26:27,066 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=242, Invalid=628, Unknown=0, NotChecked=0, Total=870 [2021-12-06 19:26:27,067 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 372 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:26:27,067 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [372 Valid, 93 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-06 19:26:27,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-12-06 19:26:27,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 82. [2021-12-06 19:26:27,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.1481481481481481) internal successors, (93), 81 states have internal predecessors, (93), 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 19:26:27,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2021-12-06 19:26:27,076 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 30 [2021-12-06 19:26:27,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:26:27,076 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2021-12-06 19:26:27,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 18 states have internal predecessors, (46), 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 19:26:27,076 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2021-12-06 19:26:27,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-06 19:26:27,077 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:26:27,077 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:26:27,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-12-06 19:26:27,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 19:26:27,278 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:26:27,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:26:27,279 INFO L85 PathProgramCache]: Analyzing trace with hash 389318684, now seen corresponding path program 4 times [2021-12-06 19:26:27,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 19:26:27,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1690476229] [2021-12-06 19:26:27,280 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-06 19:26:27,280 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 19:26:27,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 19:26:27,280 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 19:26:27,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-06 19:26:27,562 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-06 19:26:27,562 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:26:27,579 WARN L261 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 73 conjunts are in the unsatisfiable core [2021-12-06 19:26:27,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:26:27,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2021-12-06 19:26:27,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:27,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:26:27,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-12-06 19:26:27,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:27,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:27,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:27,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 50 [2021-12-06 19:26:28,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:28,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:28,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:28,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:28,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:28,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:28,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:28,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:28,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:28,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:28,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:28,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:28,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:26:28,021 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:26:28,025 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-12-06 19:26:28,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 78 [2021-12-06 19:26:28,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:28,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:26:28,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:26:28,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:28,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:26:28,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:28,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:28,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:28,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:28,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:28,651 INFO L354 Elim1Store]: treesize reduction 147, result has 18.8 percent of original size [2021-12-06 19:26:28,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 137 treesize of output 102 [2021-12-06 19:26:28,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:28,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:28,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:28,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:28,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:28,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:28,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:28,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 99 [2021-12-06 19:26:29,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:29,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:29,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:26:29,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:26:29,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:29,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:29,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:29,458 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:26:29,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:29,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:29,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:29,540 INFO L354 Elim1Store]: treesize reduction 80, result has 22.3 percent of original size [2021-12-06 19:26:29,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 30 case distinctions, treesize of input 236 treesize of output 168 [2021-12-06 19:26:29,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:29,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:29,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:29,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:29,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:29,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:29,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:29,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:29,920 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:26:29,925 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-12-06 19:26:29,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 267 treesize of output 223 [2021-12-06 19:26:30,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:26:30,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:30,178 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:26:30,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:30,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:30,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:30,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:30,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:30,213 INFO L354 Elim1Store]: treesize reduction 52, result has 24.6 percent of original size [2021-12-06 19:26:30,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 307 treesize of output 309 [2021-12-06 19:26:30,378 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:26:30,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:30,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:30,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:26:30,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:30,386 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:26:30,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:30,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:30,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:30,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:30,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:30,447 INFO L354 Elim1Store]: treesize reduction 154, result has 14.9 percent of original size [2021-12-06 19:26:30,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 333 treesize of output 291 [2021-12-06 19:26:30,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:30,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:30,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:30,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:30,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:30,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:30,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:30,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 449 treesize of output 395 [2021-12-06 19:26:31,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:31,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:26:31,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:31,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:26:31,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:26:31,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:31,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:31,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:31,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:31,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:31,451 INFO L354 Elim1Store]: treesize reduction 78, result has 21.2 percent of original size [2021-12-06 19:26:31,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 30 case distinctions, treesize of input 962 treesize of output 950 [2021-12-06 19:26:31,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:31,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:31,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:31,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:31,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:31,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:31,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:26:31,878 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:26:31,883 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-12-06 19:26:31,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 1643 treesize of output 1635 [2021-12-06 19:26:32,351 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-12-06 19:26:32,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1559 treesize of output 1523 [2021-12-06 19:26:32,469 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:26:32,469 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:30:03,555 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_208 (_ BitVec 32)) (v_ArrVal_207 (_ BitVec 32))) (= (let ((.cse1 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse0 (let ((.cse11 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv12 32)))) (store (let ((.cse12 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store (let ((.cse9 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse6 (let ((.cse31 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|)) (.cse29 (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv8 32)))) (let ((.cse32 (bvadd (concat (select .cse31 .cse9) (select .cse31 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (let ((.cse33 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse33 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset| .cse29)) (select .cse33 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| .cse29))))))) (let ((.cse30 ((_ extract 63 32) .cse32))) (let ((.cse26 (store (store .cse31 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse32)) .cse9 .cse30))) (let ((.cse27 (bvadd (let ((.cse28 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| .cse26) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse28 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| .cse29 (_ bv12 32))) (select .cse28 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset| .cse29)))) (concat .cse30 (select .cse26 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse24 ((_ extract 63 32) .cse27))) (let ((.cse25 (store (store .cse26 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse27)) .cse9 .cse24))) (let ((.cse18 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| .cse25))) (store .cse18 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse19 (let ((.cse22 (select .cse18 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse23 (bvadd (concat .cse24 (select .cse25 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse22 .cse1) (select .cse22 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store (store .cse22 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse23)) .cse1 ((_ extract 63 32) .cse23)))))) (let ((.cse20 (bvadd (concat (select .cse19 .cse11) (select .cse19 .cse12)) (let ((.cse21 (select (store .cse18 |c_ULTIMATE.start_main_~a~0#1.base| .cse19) |c_ULTIMATE.start_main_~#sum~0#1.base|))) (concat (select .cse21 .cse9) (select .cse21 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store (store .cse19 .cse12 ((_ extract 31 0) .cse20)) .cse11 ((_ extract 63 32) .cse20)))))))))))))) (.cse17 ((_ extract 63 32) (_ bv0 64)))) (let ((.cse14 (store (store (select .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) (_ bv0 64))) .cse9 .cse17))) (let ((.cse15 (bvadd (let ((.cse16 (select (store .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse14) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse16 .cse1) (select .cse16 |c_ULTIMATE.start_main_~a~0#1.offset|))) (concat .cse17 (select .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse13 ((_ extract 63 32) .cse15))) (let ((.cse7 (store (store .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse15)) .cse9 .cse13))) (let ((.cse8 (bvadd (let ((.cse10 (select (store .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse7) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse10 .cse11) (select .cse10 .cse12))) (concat .cse13 (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse4 ((_ extract 63 32) .cse8))) (let ((.cse5 (store (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse8)) .cse9 .cse4))) (let ((.cse2 (select (store .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse5) |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse3 (bvadd (concat (select .cse2 .cse1) (select .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|)) (concat .cse4 (select .cse5 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (store (store .cse2 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse3)) .cse1 ((_ extract 63 32) .cse3))))))))))))) .cse12 v_ArrVal_208)) .cse11 v_ArrVal_207)))) (concat (select .cse0 .cse1) (select .cse0 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (let ((.cse34 ((_ sign_extend 32) (bvadd c_~N~0 (_ bv1 32))))) (bvmul .cse34 .cse34)))) is different from false [2021-12-06 19:30:05,568 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_208 (_ BitVec 32)) (v_ArrVal_207 (_ BitVec 32))) (= (let ((.cse1 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse0 (let ((.cse11 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv12 32)))) (store (let ((.cse12 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store (let ((.cse9 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse6 (let ((.cse31 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|)) (.cse29 (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv8 32)))) (let ((.cse32 (bvadd (concat (select .cse31 .cse9) (select .cse31 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (let ((.cse33 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse33 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset| .cse29)) (select .cse33 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| .cse29))))))) (let ((.cse30 ((_ extract 63 32) .cse32))) (let ((.cse26 (store (store .cse31 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse32)) .cse9 .cse30))) (let ((.cse27 (bvadd (let ((.cse28 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| .cse26) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse28 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| .cse29 (_ bv12 32))) (select .cse28 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset| .cse29)))) (concat .cse30 (select .cse26 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse24 ((_ extract 63 32) .cse27))) (let ((.cse25 (store (store .cse26 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse27)) .cse9 .cse24))) (let ((.cse18 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| .cse25))) (store .cse18 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse19 (let ((.cse22 (select .cse18 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse23 (bvadd (concat .cse24 (select .cse25 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse22 .cse1) (select .cse22 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store (store .cse22 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse23)) .cse1 ((_ extract 63 32) .cse23)))))) (let ((.cse20 (bvadd (concat (select .cse19 .cse11) (select .cse19 .cse12)) (let ((.cse21 (select (store .cse18 |c_ULTIMATE.start_main_~a~0#1.base| .cse19) |c_ULTIMATE.start_main_~#sum~0#1.base|))) (concat (select .cse21 .cse9) (select .cse21 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store (store .cse19 .cse12 ((_ extract 31 0) .cse20)) .cse11 ((_ extract 63 32) .cse20)))))))))))))) (.cse17 ((_ extract 63 32) (_ bv0 64)))) (let ((.cse14 (store (store (select .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) (_ bv0 64))) .cse9 .cse17))) (let ((.cse15 (bvadd (let ((.cse16 (select (store .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse14) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse16 .cse1) (select .cse16 |c_ULTIMATE.start_main_~a~0#1.offset|))) (concat .cse17 (select .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse13 ((_ extract 63 32) .cse15))) (let ((.cse7 (store (store .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse15)) .cse9 .cse13))) (let ((.cse8 (bvadd (let ((.cse10 (select (store .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse7) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse10 .cse11) (select .cse10 .cse12))) (concat .cse13 (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse4 ((_ extract 63 32) .cse8))) (let ((.cse5 (store (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse8)) .cse9 .cse4))) (let ((.cse2 (select (store .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse5) |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse3 (bvadd (concat (select .cse2 .cse1) (select .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|)) (concat .cse4 (select .cse5 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (store (store .cse2 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse3)) .cse1 ((_ extract 63 32) .cse3))))))))))))) .cse12 v_ArrVal_208)) .cse11 v_ArrVal_207)))) (concat (select .cse0 .cse1) (select .cse0 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (let ((.cse34 ((_ sign_extend 32) (bvadd c_~N~0 (_ bv1 32))))) (bvmul .cse34 .cse34)))) is different from true [2021-12-06 19:30:10,839 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_208 (_ BitVec 32)) (v_ArrVal_207 (_ BitVec 32))) (= (let ((.cse1 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse0 (let ((.cse12 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv12 32)))) (store (let ((.cse13 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store (let ((.cse9 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse6 (let ((.cse30 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse31 (bvadd (let ((.cse32 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse32 .cse1) (select .cse32 |c_ULTIMATE.start_main_~a~0#1.offset|))) (concat (select .cse30 .cse9) (select .cse30 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse29 ((_ extract 63 32) .cse31))) (let ((.cse26 (store (store .cse30 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse31)) .cse9 .cse29))) (let ((.cse27 (bvadd (let ((.cse28 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| .cse26) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse28 .cse12) (select .cse28 .cse13))) (concat .cse29 (select .cse26 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse24 ((_ extract 63 32) .cse27))) (let ((.cse25 (store (store .cse26 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse27)) .cse9 .cse24))) (let ((.cse18 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| .cse25))) (store .cse18 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse19 (let ((.cse22 (select .cse18 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse23 (bvadd (concat .cse24 (select .cse25 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse22 .cse1) (select .cse22 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store (store .cse22 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse23)) .cse1 ((_ extract 63 32) .cse23)))))) (let ((.cse20 (bvadd (concat (select .cse19 .cse12) (select .cse19 .cse13)) (let ((.cse21 (select (store .cse18 |c_ULTIMATE.start_main_~a~0#1.base| .cse19) |c_ULTIMATE.start_main_~#sum~0#1.base|))) (concat (select .cse21 .cse9) (select .cse21 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store (store .cse19 .cse13 ((_ extract 31 0) .cse20)) .cse12 ((_ extract 63 32) .cse20)))))))))))))) (.cse16 ((_ extract 63 32) (_ bv0 64)))) (let ((.cse14 (store (store (select .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) (_ bv0 64))) .cse9 .cse16))) (let ((.cse15 (bvadd (concat .cse16 (select .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (let ((.cse17 (select (store .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse14) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse17 .cse1) (select .cse17 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (let ((.cse10 ((_ extract 63 32) .cse15))) (let ((.cse7 (store (store .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse15)) .cse9 .cse10))) (let ((.cse8 (bvadd (concat .cse10 (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (let ((.cse11 (select (store .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse7) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse11 .cse12) (select .cse11 .cse13)))))) (let ((.cse4 ((_ extract 63 32) .cse8))) (let ((.cse5 (store (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse8)) .cse9 .cse4))) (let ((.cse2 (select (store .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse5) |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse3 (bvadd (concat .cse4 (select .cse5 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse2 .cse1) (select .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store (store .cse2 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse3)) .cse1 ((_ extract 63 32) .cse3))))))))))))) .cse13 v_ArrVal_208)) .cse12 v_ArrVal_207)))) (concat (select .cse0 .cse1) (select .cse0 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (let ((.cse33 ((_ sign_extend 32) (bvadd c_~N~0 (_ bv1 32))))) (bvmul .cse33 .cse33)))) is different from false [2021-12-06 19:30:18,033 WARN L860 $PredicateComparison]: unable to prove that (or (bvslt |c_ULTIMATE.start_main_~i~0#1| c_~N~0) (forall ((v_ArrVal_208 (_ BitVec 32)) (v_ArrVal_207 (_ BitVec 32))) (= (let ((.cse1 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse0 (let ((.cse12 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv12 32)))) (store (let ((.cse13 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store (let ((.cse9 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse6 (let ((.cse30 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse31 (bvadd (let ((.cse32 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse32 .cse1) (select .cse32 |c_ULTIMATE.start_main_~a~0#1.offset|))) (concat (select .cse30 .cse9) (select .cse30 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse29 ((_ extract 63 32) .cse31))) (let ((.cse26 (store (store .cse30 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse31)) .cse9 .cse29))) (let ((.cse27 (bvadd (let ((.cse28 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| .cse26) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse28 .cse12) (select .cse28 .cse13))) (concat .cse29 (select .cse26 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse24 ((_ extract 63 32) .cse27))) (let ((.cse25 (store (store .cse26 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse27)) .cse9 .cse24))) (let ((.cse18 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| .cse25))) (store .cse18 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse19 (let ((.cse22 (select .cse18 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse23 (bvadd (concat .cse24 (select .cse25 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse22 .cse1) (select .cse22 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store (store .cse22 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse23)) .cse1 ((_ extract 63 32) .cse23)))))) (let ((.cse20 (bvadd (concat (select .cse19 .cse12) (select .cse19 .cse13)) (let ((.cse21 (select (store .cse18 |c_ULTIMATE.start_main_~a~0#1.base| .cse19) |c_ULTIMATE.start_main_~#sum~0#1.base|))) (concat (select .cse21 .cse9) (select .cse21 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store (store .cse19 .cse13 ((_ extract 31 0) .cse20)) .cse12 ((_ extract 63 32) .cse20)))))))))))))) (.cse16 ((_ extract 63 32) (_ bv0 64)))) (let ((.cse14 (store (store (select .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) (_ bv0 64))) .cse9 .cse16))) (let ((.cse15 (bvadd (concat .cse16 (select .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (let ((.cse17 (select (store .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse14) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse17 .cse1) (select .cse17 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (let ((.cse10 ((_ extract 63 32) .cse15))) (let ((.cse7 (store (store .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse15)) .cse9 .cse10))) (let ((.cse8 (bvadd (concat .cse10 (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (let ((.cse11 (select (store .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse7) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse11 .cse12) (select .cse11 .cse13)))))) (let ((.cse4 ((_ extract 63 32) .cse8))) (let ((.cse5 (store (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse8)) .cse9 .cse4))) (let ((.cse2 (select (store .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse5) |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse3 (bvadd (concat .cse4 (select .cse5 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse2 .cse1) (select .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store (store .cse2 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse3)) .cse1 ((_ extract 63 32) .cse3))))))))))))) .cse13 v_ArrVal_208)) .cse12 v_ArrVal_207)))) (concat (select .cse0 .cse1) (select .cse0 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (let ((.cse33 ((_ sign_extend 32) (bvadd c_~N~0 (_ bv1 32))))) (bvmul .cse33 .cse33))))) is different from true [2021-12-06 19:30:23,407 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_208 (_ BitVec 32)) (v_ArrVal_207 (_ BitVec 32))) (= (let ((.cse1 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse0 (let ((.cse12 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv12 32)))) (store (let ((.cse13 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store (let ((.cse9 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse6 (let ((.cse30 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse31 (bvadd (let ((.cse32 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse32 .cse1) (select .cse32 |c_ULTIMATE.start_main_~a~0#1.offset|))) (concat (select .cse30 .cse9) (select .cse30 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse29 ((_ extract 63 32) .cse31))) (let ((.cse26 (store (store .cse30 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse31)) .cse9 .cse29))) (let ((.cse27 (bvadd (let ((.cse28 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| .cse26) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse28 .cse12) (select .cse28 .cse13))) (concat .cse29 (select .cse26 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse24 ((_ extract 63 32) .cse27))) (let ((.cse25 (store (store .cse26 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse27)) .cse9 .cse24))) (let ((.cse18 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| .cse25))) (store .cse18 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse19 (let ((.cse22 (select .cse18 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse23 (bvadd (concat .cse24 (select .cse25 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse22 .cse1) (select .cse22 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store (store .cse22 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse23)) .cse1 ((_ extract 63 32) .cse23)))))) (let ((.cse20 (bvadd (concat (select .cse19 .cse12) (select .cse19 .cse13)) (let ((.cse21 (select (store .cse18 |c_ULTIMATE.start_main_~a~0#1.base| .cse19) |c_ULTIMATE.start_main_~#sum~0#1.base|))) (concat (select .cse21 .cse9) (select .cse21 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store (store .cse19 .cse13 ((_ extract 31 0) .cse20)) .cse12 ((_ extract 63 32) .cse20)))))))))))))) (.cse16 ((_ extract 63 32) (_ bv0 64)))) (let ((.cse14 (store (store (select .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) (_ bv0 64))) .cse9 .cse16))) (let ((.cse15 (bvadd (concat .cse16 (select .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (let ((.cse17 (select (store .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse14) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse17 .cse1) (select .cse17 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (let ((.cse10 ((_ extract 63 32) .cse15))) (let ((.cse7 (store (store .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse15)) .cse9 .cse10))) (let ((.cse8 (bvadd (concat .cse10 (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (let ((.cse11 (select (store .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse7) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse11 .cse12) (select .cse11 .cse13)))))) (let ((.cse4 ((_ extract 63 32) .cse8))) (let ((.cse5 (store (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse8)) .cse9 .cse4))) (let ((.cse2 (select (store .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse5) |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse3 (bvadd (concat .cse4 (select .cse5 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse2 .cse1) (select .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store (store .cse2 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse3)) .cse1 ((_ extract 63 32) .cse3))))))))))))) .cse13 v_ArrVal_208)) .cse12 v_ArrVal_207)))) (concat (select .cse0 .cse1) (select .cse0 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (let ((.cse33 ((_ sign_extend 32) (bvadd c_~N~0 (_ bv1 32))))) (bvmul .cse33 .cse33)))) (bvslt (bvadd |c_ULTIMATE.start_main_~i~0#1| (_ bv1 32)) c_~N~0)) is different from false [2021-12-06 19:30:31,131 WARN L838 $PredicateComparison]: unable to prove that (or (not (bvslt |c_ULTIMATE.start_main_~i~0#1| c_~N~0)) (forall ((v_ArrVal_208 (_ BitVec 32)) (v_ArrVal_207 (_ BitVec 32))) (= (let ((.cse0 ((_ sign_extend 32) (bvadd c_~N~0 (_ bv1 32))))) (bvmul .cse0 .cse0)) (let ((.cse2 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse1 (let ((.cse12 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv12 32)))) (store (let ((.cse13 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store (let ((.cse10 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse7 (let ((.cse34 (let ((.cse35 (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv8 32)))) (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| .cse35) ((_ extract 31 0) (_ bv1 64))) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset| .cse35) ((_ extract 63 32) (_ bv1 64)))))) (let ((.cse27 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse34))) (let ((.cse32 (select .cse27 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse33 (bvadd (concat (select .cse34 .cse2) (select .cse34 |c_ULTIMATE.start_main_~a~0#1.offset|)) (concat (select .cse32 .cse10) (select .cse32 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse31 ((_ extract 63 32) .cse33))) (let ((.cse28 (store (store .cse32 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse33)) .cse10 .cse31))) (let ((.cse29 (bvadd (let ((.cse30 (select (store .cse27 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse28) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse30 .cse12) (select .cse30 .cse13))) (concat .cse31 (select .cse28 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse25 ((_ extract 63 32) .cse29))) (let ((.cse26 (store (store .cse28 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse29)) .cse10 .cse25))) (let ((.cse19 (store .cse27 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse26))) (store .cse19 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse20 (let ((.cse23 (select .cse19 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse24 (bvadd (concat (select .cse23 .cse2) (select .cse23 |c_ULTIMATE.start_main_~a~0#1.offset|)) (concat .cse25 (select .cse26 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (store (store .cse23 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse24)) .cse2 ((_ extract 63 32) .cse24)))))) (let ((.cse21 (bvadd (concat (select .cse20 .cse12) (select .cse20 .cse13)) (let ((.cse22 (select (store .cse19 |c_ULTIMATE.start_main_~a~0#1.base| .cse20) |c_ULTIMATE.start_main_~#sum~0#1.base|))) (concat (select .cse22 .cse10) (select .cse22 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store (store .cse20 .cse13 ((_ extract 31 0) .cse21)) .cse12 ((_ extract 63 32) .cse21)))))))))))))))) (.cse17 ((_ extract 63 32) (_ bv0 64)))) (let ((.cse15 (store (store (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) (_ bv0 64))) .cse10 .cse17))) (let ((.cse16 (bvadd (concat .cse17 (select .cse15 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (let ((.cse18 (select (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse15) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse18 .cse2) (select .cse18 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (let ((.cse14 ((_ extract 63 32) .cse16))) (let ((.cse8 (store (store .cse15 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse16)) .cse10 .cse14))) (let ((.cse9 (bvadd (let ((.cse11 (select (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse8) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse11 .cse12) (select .cse11 .cse13))) (concat .cse14 (select .cse8 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse5 ((_ extract 63 32) .cse9))) (let ((.cse6 (store (store .cse8 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse9)) .cse10 .cse5))) (let ((.cse3 (select (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse6) |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse4 (bvadd (concat .cse5 (select .cse6 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse3 .cse2) (select .cse3 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store (store .cse3 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse4)) .cse2 ((_ extract 63 32) .cse4))))))))))))) .cse13 v_ArrVal_208)) .cse12 v_ArrVal_207)))) (concat (select .cse1 .cse2) (select .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (bvslt (bvadd |c_ULTIMATE.start_main_~i~0#1| (_ bv1 32)) c_~N~0)) is different from false [2021-12-06 19:30:33,148 WARN L860 $PredicateComparison]: unable to prove that (or (not (bvslt |c_ULTIMATE.start_main_~i~0#1| c_~N~0)) (forall ((v_ArrVal_208 (_ BitVec 32)) (v_ArrVal_207 (_ BitVec 32))) (= (let ((.cse0 ((_ sign_extend 32) (bvadd c_~N~0 (_ bv1 32))))) (bvmul .cse0 .cse0)) (let ((.cse2 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse1 (let ((.cse12 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv12 32)))) (store (let ((.cse13 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store (let ((.cse10 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse7 (let ((.cse34 (let ((.cse35 (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv8 32)))) (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| .cse35) ((_ extract 31 0) (_ bv1 64))) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset| .cse35) ((_ extract 63 32) (_ bv1 64)))))) (let ((.cse27 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse34))) (let ((.cse32 (select .cse27 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse33 (bvadd (concat (select .cse34 .cse2) (select .cse34 |c_ULTIMATE.start_main_~a~0#1.offset|)) (concat (select .cse32 .cse10) (select .cse32 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse31 ((_ extract 63 32) .cse33))) (let ((.cse28 (store (store .cse32 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse33)) .cse10 .cse31))) (let ((.cse29 (bvadd (let ((.cse30 (select (store .cse27 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse28) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse30 .cse12) (select .cse30 .cse13))) (concat .cse31 (select .cse28 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse25 ((_ extract 63 32) .cse29))) (let ((.cse26 (store (store .cse28 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse29)) .cse10 .cse25))) (let ((.cse19 (store .cse27 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse26))) (store .cse19 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse20 (let ((.cse23 (select .cse19 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse24 (bvadd (concat (select .cse23 .cse2) (select .cse23 |c_ULTIMATE.start_main_~a~0#1.offset|)) (concat .cse25 (select .cse26 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (store (store .cse23 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse24)) .cse2 ((_ extract 63 32) .cse24)))))) (let ((.cse21 (bvadd (concat (select .cse20 .cse12) (select .cse20 .cse13)) (let ((.cse22 (select (store .cse19 |c_ULTIMATE.start_main_~a~0#1.base| .cse20) |c_ULTIMATE.start_main_~#sum~0#1.base|))) (concat (select .cse22 .cse10) (select .cse22 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store (store .cse20 .cse13 ((_ extract 31 0) .cse21)) .cse12 ((_ extract 63 32) .cse21)))))))))))))))) (.cse17 ((_ extract 63 32) (_ bv0 64)))) (let ((.cse15 (store (store (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) (_ bv0 64))) .cse10 .cse17))) (let ((.cse16 (bvadd (concat .cse17 (select .cse15 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (let ((.cse18 (select (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse15) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse18 .cse2) (select .cse18 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (let ((.cse14 ((_ extract 63 32) .cse16))) (let ((.cse8 (store (store .cse15 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse16)) .cse10 .cse14))) (let ((.cse9 (bvadd (let ((.cse11 (select (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse8) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse11 .cse12) (select .cse11 .cse13))) (concat .cse14 (select .cse8 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse5 ((_ extract 63 32) .cse9))) (let ((.cse6 (store (store .cse8 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse9)) .cse10 .cse5))) (let ((.cse3 (select (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse6) |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse4 (bvadd (concat .cse5 (select .cse6 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse3 .cse2) (select .cse3 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store (store .cse3 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse4)) .cse2 ((_ extract 63 32) .cse4))))))))))))) .cse13 v_ArrVal_208)) .cse12 v_ArrVal_207)))) (concat (select .cse1 .cse2) (select .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (bvslt (bvadd |c_ULTIMATE.start_main_~i~0#1| (_ bv1 32)) c_~N~0)) is different from true [2021-12-06 19:30:39,207 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_208 (_ BitVec 32)) (v_ArrVal_207 (_ BitVec 32))) (= (let ((.cse1 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse0 (let ((.cse11 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv12 32)))) (store (let ((.cse12 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store (let ((.cse9 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse6 (let ((.cse33 (let ((.cse34 (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv8 32)))) (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset| .cse34) ((_ extract 31 0) (_ bv1 64))) (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| .cse34 (_ bv12 32)) ((_ extract 63 32) (_ bv1 64)))))) (let ((.cse26 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse33))) (let ((.cse31 (select .cse26 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse32 (bvadd (concat (select .cse33 .cse1) (select .cse33 |c_ULTIMATE.start_main_~a~0#1.offset|)) (concat (select .cse31 .cse9) (select .cse31 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse30 ((_ extract 63 32) .cse32))) (let ((.cse27 (store (store .cse31 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse32)) .cse9 .cse30))) (let ((.cse28 (bvadd (let ((.cse29 (select (store .cse26 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse27) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse29 .cse11) (select .cse29 .cse12))) (concat .cse30 (select .cse27 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse24 ((_ extract 63 32) .cse28))) (let ((.cse25 (store (store .cse27 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse28)) .cse9 .cse24))) (let ((.cse18 (store .cse26 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse25))) (store .cse18 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse19 (let ((.cse22 (select .cse18 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse23 (bvadd (concat .cse24 (select .cse25 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse22 .cse1) (select .cse22 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store (store .cse22 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse23)) .cse1 ((_ extract 63 32) .cse23)))))) (let ((.cse20 (bvadd (concat (select .cse19 .cse11) (select .cse19 .cse12)) (let ((.cse21 (select (store .cse18 |c_ULTIMATE.start_main_~a~0#1.base| .cse19) |c_ULTIMATE.start_main_~#sum~0#1.base|))) (concat (select .cse21 .cse9) (select .cse21 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store (store .cse19 .cse12 ((_ extract 31 0) .cse20)) .cse11 ((_ extract 63 32) .cse20)))))))))))))))) (.cse16 ((_ extract 63 32) (_ bv0 64)))) (let ((.cse14 (store (store (select .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) (_ bv0 64))) .cse9 .cse16))) (let ((.cse15 (bvadd (concat .cse16 (select .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (let ((.cse17 (select (store .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse14) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse17 .cse1) (select .cse17 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (let ((.cse13 ((_ extract 63 32) .cse15))) (let ((.cse7 (store (store .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse15)) .cse9 .cse13))) (let ((.cse8 (bvadd (let ((.cse10 (select (store .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse7) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse10 .cse11) (select .cse10 .cse12))) (concat .cse13 (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse4 ((_ extract 63 32) .cse8))) (let ((.cse5 (store (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse8)) .cse9 .cse4))) (let ((.cse2 (select (store .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse5) |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse3 (bvadd (concat (select .cse2 .cse1) (select .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|)) (concat .cse4 (select .cse5 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (store (store .cse2 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse3)) .cse1 ((_ extract 63 32) .cse3))))))))))))) .cse12 v_ArrVal_208)) .cse11 v_ArrVal_207)))) (concat (select .cse0 .cse1) (select .cse0 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (let ((.cse35 ((_ sign_extend 32) (bvadd c_~N~0 (_ bv1 32))))) (bvmul .cse35 .cse35)))) (bvslt (bvadd |c_ULTIMATE.start_main_~i~0#1| (_ bv2 32)) c_~N~0) (not (bvslt (bvadd |c_ULTIMATE.start_main_~i~0#1| (_ bv1 32)) c_~N~0))) is different from false [2021-12-06 19:30:46,459 WARN L838 $PredicateComparison]: unable to prove that (or (bvslt (bvadd |c_ULTIMATE.start_main_~i~0#1| (_ bv2 32)) c_~N~0) (not (bvslt (bvadd |c_ULTIMATE.start_main_~i~0#1| (_ bv1 32)) c_~N~0)) (forall ((v_ArrVal_208 (_ BitVec 32)) (v_ArrVal_207 (_ BitVec 32))) (= (let ((.cse0 ((_ sign_extend 32) (bvadd c_~N~0 (_ bv1 32))))) (bvmul .cse0 .cse0)) (let ((.cse2 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse1 (let ((.cse12 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv12 32)))) (store (let ((.cse13 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store (let ((.cse10 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse7 (let ((.cse34 (let ((.cse35 (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv8 32))) (.cse37 ((_ extract 63 32) (_ bv1 64)))) (store (let ((.cse36 ((_ extract 31 0) (_ bv1 64)))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| .cse35) .cse36) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset| .cse35) .cse37) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset| .cse35) .cse36)) (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| .cse35 (_ bv12 32)) .cse37)))) (let ((.cse27 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse34))) (let ((.cse32 (select .cse27 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse33 (bvadd (concat (select .cse32 .cse10) (select .cse32 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse34 .cse2) (select .cse34 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (let ((.cse30 ((_ extract 63 32) .cse33))) (let ((.cse28 (store (store .cse32 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse33)) .cse10 .cse30))) (let ((.cse29 (bvadd (concat .cse30 (select .cse28 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (let ((.cse31 (select (store .cse27 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse28) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse31 .cse12) (select .cse31 .cse13)))))) (let ((.cse25 ((_ extract 63 32) .cse29))) (let ((.cse26 (store (store .cse28 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse29)) .cse10 .cse25))) (let ((.cse19 (store .cse27 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse26))) (store .cse19 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse20 (let ((.cse23 (select .cse19 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse24 (bvadd (concat (select .cse23 .cse2) (select .cse23 |c_ULTIMATE.start_main_~a~0#1.offset|)) (concat .cse25 (select .cse26 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (store (store .cse23 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse24)) .cse2 ((_ extract 63 32) .cse24)))))) (let ((.cse21 (bvadd (concat (select .cse20 .cse12) (select .cse20 .cse13)) (let ((.cse22 (select (store .cse19 |c_ULTIMATE.start_main_~a~0#1.base| .cse20) |c_ULTIMATE.start_main_~#sum~0#1.base|))) (concat (select .cse22 .cse10) (select .cse22 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store (store .cse20 .cse13 ((_ extract 31 0) .cse21)) .cse12 ((_ extract 63 32) .cse21)))))))))))))))) (.cse18 ((_ extract 63 32) (_ bv0 64)))) (let ((.cse15 (store (store (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) (_ bv0 64))) .cse10 .cse18))) (let ((.cse16 (bvadd (let ((.cse17 (select (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse15) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse17 .cse2) (select .cse17 |c_ULTIMATE.start_main_~a~0#1.offset|))) (concat .cse18 (select .cse15 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse14 ((_ extract 63 32) .cse16))) (let ((.cse8 (store (store .cse15 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse16)) .cse10 .cse14))) (let ((.cse9 (bvadd (let ((.cse11 (select (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse8) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse11 .cse12) (select .cse11 .cse13))) (concat .cse14 (select .cse8 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse5 ((_ extract 63 32) .cse9))) (let ((.cse6 (store (store .cse8 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse9)) .cse10 .cse5))) (let ((.cse3 (select (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse6) |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse4 (bvadd (concat .cse5 (select .cse6 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse3 .cse2) (select .cse3 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store (store .cse3 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse4)) .cse2 ((_ extract 63 32) .cse4))))))))))))) .cse13 v_ArrVal_208)) .cse12 v_ArrVal_207)))) (concat (select .cse1 .cse2) (select .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|))))))) is different from false [2021-12-06 19:30:48,472 WARN L860 $PredicateComparison]: unable to prove that (or (bvslt (bvadd |c_ULTIMATE.start_main_~i~0#1| (_ bv2 32)) c_~N~0) (not (bvslt (bvadd |c_ULTIMATE.start_main_~i~0#1| (_ bv1 32)) c_~N~0)) (forall ((v_ArrVal_208 (_ BitVec 32)) (v_ArrVal_207 (_ BitVec 32))) (= (let ((.cse0 ((_ sign_extend 32) (bvadd c_~N~0 (_ bv1 32))))) (bvmul .cse0 .cse0)) (let ((.cse2 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse1 (let ((.cse12 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv12 32)))) (store (let ((.cse13 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store (let ((.cse10 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse7 (let ((.cse34 (let ((.cse35 (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv8 32))) (.cse37 ((_ extract 63 32) (_ bv1 64)))) (store (let ((.cse36 ((_ extract 31 0) (_ bv1 64)))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| .cse35) .cse36) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset| .cse35) .cse37) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset| .cse35) .cse36)) (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| .cse35 (_ bv12 32)) .cse37)))) (let ((.cse27 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse34))) (let ((.cse32 (select .cse27 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse33 (bvadd (concat (select .cse32 .cse10) (select .cse32 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse34 .cse2) (select .cse34 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (let ((.cse30 ((_ extract 63 32) .cse33))) (let ((.cse28 (store (store .cse32 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse33)) .cse10 .cse30))) (let ((.cse29 (bvadd (concat .cse30 (select .cse28 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (let ((.cse31 (select (store .cse27 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse28) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse31 .cse12) (select .cse31 .cse13)))))) (let ((.cse25 ((_ extract 63 32) .cse29))) (let ((.cse26 (store (store .cse28 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse29)) .cse10 .cse25))) (let ((.cse19 (store .cse27 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse26))) (store .cse19 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse20 (let ((.cse23 (select .cse19 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse24 (bvadd (concat (select .cse23 .cse2) (select .cse23 |c_ULTIMATE.start_main_~a~0#1.offset|)) (concat .cse25 (select .cse26 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (store (store .cse23 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse24)) .cse2 ((_ extract 63 32) .cse24)))))) (let ((.cse21 (bvadd (concat (select .cse20 .cse12) (select .cse20 .cse13)) (let ((.cse22 (select (store .cse19 |c_ULTIMATE.start_main_~a~0#1.base| .cse20) |c_ULTIMATE.start_main_~#sum~0#1.base|))) (concat (select .cse22 .cse10) (select .cse22 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store (store .cse20 .cse13 ((_ extract 31 0) .cse21)) .cse12 ((_ extract 63 32) .cse21)))))))))))))))) (.cse18 ((_ extract 63 32) (_ bv0 64)))) (let ((.cse15 (store (store (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) (_ bv0 64))) .cse10 .cse18))) (let ((.cse16 (bvadd (let ((.cse17 (select (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse15) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse17 .cse2) (select .cse17 |c_ULTIMATE.start_main_~a~0#1.offset|))) (concat .cse18 (select .cse15 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse14 ((_ extract 63 32) .cse16))) (let ((.cse8 (store (store .cse15 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse16)) .cse10 .cse14))) (let ((.cse9 (bvadd (let ((.cse11 (select (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse8) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse11 .cse12) (select .cse11 .cse13))) (concat .cse14 (select .cse8 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse5 ((_ extract 63 32) .cse9))) (let ((.cse6 (store (store .cse8 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse9)) .cse10 .cse5))) (let ((.cse3 (select (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse6) |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse4 (bvadd (concat .cse5 (select .cse6 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse3 .cse2) (select .cse3 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store (store .cse3 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse4)) .cse2 ((_ extract 63 32) .cse4))))))))))))) .cse13 v_ArrVal_208)) .cse12 v_ArrVal_207)))) (concat (select .cse1 .cse2) (select .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|))))))) is different from true [2021-12-06 19:30:48,506 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:30:48,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:30:48,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:30:48,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:30:48,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:30:48,573 INFO L354 Elim1Store]: treesize reduction 33734, result has 0.0 percent of original size [2021-12-06 19:30:48,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 5 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 26 case distinctions, treesize of input 1803991 treesize of output 1 [2021-12-06 19:30:48,578 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 13 refuted. 1 times theorem prover too weak. 0 trivial. 6 not checked. [2021-12-06 19:30:48,578 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 19:30:48,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1690476229] [2021-12-06 19:30:48,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1690476229] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:30:48,579 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 19:30:48,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 26] total 52 [2021-12-06 19:30:48,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216314821] [2021-12-06 19:30:48,579 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 19:30:48,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2021-12-06 19:30:48,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 19:30:48,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-12-06 19:30:48,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=1788, Unknown=44, NotChecked=644, Total=2652 [2021-12-06 19:30:48,582 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand has 52 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 52 states have internal predecessors, (73), 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 19:30:55,389 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (bvule c_~N~0 (_ bv536870911 32))) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (and .cse0 (or (and .cse0 (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| (_ bv1 32))) (and (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| (_ bv0 32)) (not .cse0))) (= |c_ULTIMATE.start_main_~i~0#1| (_ bv0 32)) (not (= |c_ULTIMATE.start_main_~a~0#1.base| |c_ULTIMATE.start_main_~#sum~0#1.base|)) (= ((_ extract 63 32) (_ bv0 64)) (select .cse1 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (= (_ bv0 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (or (bvslt (bvadd |c_ULTIMATE.start_main_~i~0#1| (_ bv2 32)) c_~N~0) (not (bvslt (bvadd |c_ULTIMATE.start_main_~i~0#1| (_ bv1 32)) c_~N~0)) (forall ((v_ArrVal_208 (_ BitVec 32)) (v_ArrVal_207 (_ BitVec 32))) (= (let ((.cse2 ((_ sign_extend 32) (bvadd c_~N~0 (_ bv1 32))))) (bvmul .cse2 .cse2)) (let ((.cse4 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse3 (let ((.cse14 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv12 32)))) (store (let ((.cse15 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store (let ((.cse12 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse9 (let ((.cse36 (let ((.cse37 (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv8 32))) (.cse39 ((_ extract 63 32) (_ bv1 64)))) (store (let ((.cse38 ((_ extract 31 0) (_ bv1 64)))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| .cse37) .cse38) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset| .cse37) .cse39) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset| .cse37) .cse38)) (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| .cse37 (_ bv12 32)) .cse39)))) (let ((.cse29 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse36))) (let ((.cse34 (select .cse29 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse35 (bvadd (concat (select .cse34 .cse12) (select .cse34 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse36 .cse4) (select .cse36 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (let ((.cse32 ((_ extract 63 32) .cse35))) (let ((.cse30 (store (store .cse34 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse35)) .cse12 .cse32))) (let ((.cse31 (bvadd (concat .cse32 (select .cse30 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (let ((.cse33 (select (store .cse29 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse30) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse33 .cse14) (select .cse33 .cse15)))))) (let ((.cse27 ((_ extract 63 32) .cse31))) (let ((.cse28 (store (store .cse30 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse31)) .cse12 .cse27))) (let ((.cse21 (store .cse29 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse28))) (store .cse21 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse22 (let ((.cse25 (select .cse21 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse26 (bvadd (concat (select .cse25 .cse4) (select .cse25 |c_ULTIMATE.start_main_~a~0#1.offset|)) (concat .cse27 (select .cse28 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (store (store .cse25 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse26)) .cse4 ((_ extract 63 32) .cse26)))))) (let ((.cse23 (bvadd (concat (select .cse22 .cse14) (select .cse22 .cse15)) (let ((.cse24 (select (store .cse21 |c_ULTIMATE.start_main_~a~0#1.base| .cse22) |c_ULTIMATE.start_main_~#sum~0#1.base|))) (concat (select .cse24 .cse12) (select .cse24 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store (store .cse22 .cse15 ((_ extract 31 0) .cse23)) .cse14 ((_ extract 63 32) .cse23)))))))))))))))) (.cse20 ((_ extract 63 32) (_ bv0 64)))) (let ((.cse17 (store (store (select .cse9 |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) (_ bv0 64))) .cse12 .cse20))) (let ((.cse18 (bvadd (let ((.cse19 (select (store .cse9 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse17) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse19 .cse4) (select .cse19 |c_ULTIMATE.start_main_~a~0#1.offset|))) (concat .cse20 (select .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse16 ((_ extract 63 32) .cse18))) (let ((.cse10 (store (store .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse18)) .cse12 .cse16))) (let ((.cse11 (bvadd (let ((.cse13 (select (store .cse9 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse10) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse13 .cse14) (select .cse13 .cse15))) (concat .cse16 (select .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse7 ((_ extract 63 32) .cse11))) (let ((.cse8 (store (store .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse11)) .cse12 .cse7))) (let ((.cse5 (select (store .cse9 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse8) |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse6 (bvadd (concat .cse7 (select .cse8 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse5 .cse4) (select .cse5 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store (store .cse5 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse6)) .cse4 ((_ extract 63 32) .cse6))))))))))))) .cse15 v_ArrVal_208)) .cse14 v_ArrVal_207)))) (concat (select .cse3 .cse4) (select .cse3 |c_ULTIMATE.start_main_~a~0#1.offset|))))))) (not (bvsle c_~N~0 (_ bv0 32))) (= |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv0 32)) (= ((_ extract 31 0) (_ bv0 64)) (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) is different from true [2021-12-06 19:30:57,731 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse37 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse38 (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv8 32))) (.cse36 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (and (bvule c_~N~0 (_ bv536870911 32)) (= |c_ULTIMATE.start_main_~i~0#1| (_ bv0 32)) (= (_ bv0 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (or (forall ((v_ArrVal_208 (_ BitVec 32)) (v_ArrVal_207 (_ BitVec 32))) (= (let ((.cse1 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse0 (let ((.cse11 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv12 32)))) (store (let ((.cse12 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store (let ((.cse9 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse6 (let ((.cse33 (let ((.cse34 (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv8 32)))) (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset| .cse34) ((_ extract 31 0) (_ bv1 64))) (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| .cse34 (_ bv12 32)) ((_ extract 63 32) (_ bv1 64)))))) (let ((.cse26 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse33))) (let ((.cse31 (select .cse26 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse32 (bvadd (concat (select .cse33 .cse1) (select .cse33 |c_ULTIMATE.start_main_~a~0#1.offset|)) (concat (select .cse31 .cse9) (select .cse31 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse30 ((_ extract 63 32) .cse32))) (let ((.cse27 (store (store .cse31 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse32)) .cse9 .cse30))) (let ((.cse28 (bvadd (let ((.cse29 (select (store .cse26 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse27) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse29 .cse11) (select .cse29 .cse12))) (concat .cse30 (select .cse27 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse24 ((_ extract 63 32) .cse28))) (let ((.cse25 (store (store .cse27 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse28)) .cse9 .cse24))) (let ((.cse18 (store .cse26 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse25))) (store .cse18 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse19 (let ((.cse22 (select .cse18 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse23 (bvadd (concat .cse24 (select .cse25 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse22 .cse1) (select .cse22 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store (store .cse22 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse23)) .cse1 ((_ extract 63 32) .cse23)))))) (let ((.cse20 (bvadd (concat (select .cse19 .cse11) (select .cse19 .cse12)) (let ((.cse21 (select (store .cse18 |c_ULTIMATE.start_main_~a~0#1.base| .cse19) |c_ULTIMATE.start_main_~#sum~0#1.base|))) (concat (select .cse21 .cse9) (select .cse21 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store (store .cse19 .cse12 ((_ extract 31 0) .cse20)) .cse11 ((_ extract 63 32) .cse20)))))))))))))))) (.cse16 ((_ extract 63 32) (_ bv0 64)))) (let ((.cse14 (store (store (select .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) (_ bv0 64))) .cse9 .cse16))) (let ((.cse15 (bvadd (concat .cse16 (select .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (let ((.cse17 (select (store .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse14) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse17 .cse1) (select .cse17 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (let ((.cse13 ((_ extract 63 32) .cse15))) (let ((.cse7 (store (store .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse15)) .cse9 .cse13))) (let ((.cse8 (bvadd (let ((.cse10 (select (store .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse7) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse10 .cse11) (select .cse10 .cse12))) (concat .cse13 (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse4 ((_ extract 63 32) .cse8))) (let ((.cse5 (store (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse8)) .cse9 .cse4))) (let ((.cse2 (select (store .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse5) |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse3 (bvadd (concat (select .cse2 .cse1) (select .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|)) (concat .cse4 (select .cse5 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (store (store .cse2 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse3)) .cse1 ((_ extract 63 32) .cse3))))))))))))) .cse12 v_ArrVal_208)) .cse11 v_ArrVal_207)))) (concat (select .cse0 .cse1) (select .cse0 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (let ((.cse35 ((_ sign_extend 32) (bvadd c_~N~0 (_ bv1 32))))) (bvmul .cse35 .cse35)))) (bvslt (bvadd |c_ULTIMATE.start_main_~i~0#1| (_ bv2 32)) c_~N~0) (not (bvslt (bvadd |c_ULTIMATE.start_main_~i~0#1| (_ bv1 32)) c_~N~0))) (not (bvsle c_~N~0 (_ bv0 32))) (= (select .cse36 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (_ bv0 32)) (= (select .cse37 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset| .cse38)) (_ bv0 32)) (= (select .cse37 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| .cse38)) (_ bv1 32)) (= |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv0 32)) (= (select .cse36 |c_ULTIMATE.start_main_~#sum~0#1.offset|) (_ bv0 32)))) is different from true [2021-12-06 19:30:59,883 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse37 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse38 (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv8 32))) (.cse36 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (and (bvule c_~N~0 (_ bv536870911 32)) (= |c_ULTIMATE.start_main_~i~0#1| (_ bv1 32)) (= (_ bv0 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (or (not (bvslt |c_ULTIMATE.start_main_~i~0#1| c_~N~0)) (forall ((v_ArrVal_208 (_ BitVec 32)) (v_ArrVal_207 (_ BitVec 32))) (= (let ((.cse0 ((_ sign_extend 32) (bvadd c_~N~0 (_ bv1 32))))) (bvmul .cse0 .cse0)) (let ((.cse2 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse1 (let ((.cse12 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv12 32)))) (store (let ((.cse13 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store (let ((.cse10 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse7 (let ((.cse34 (let ((.cse35 (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv8 32)))) (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| .cse35) ((_ extract 31 0) (_ bv1 64))) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset| .cse35) ((_ extract 63 32) (_ bv1 64)))))) (let ((.cse27 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse34))) (let ((.cse32 (select .cse27 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse33 (bvadd (concat (select .cse34 .cse2) (select .cse34 |c_ULTIMATE.start_main_~a~0#1.offset|)) (concat (select .cse32 .cse10) (select .cse32 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse31 ((_ extract 63 32) .cse33))) (let ((.cse28 (store (store .cse32 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse33)) .cse10 .cse31))) (let ((.cse29 (bvadd (let ((.cse30 (select (store .cse27 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse28) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse30 .cse12) (select .cse30 .cse13))) (concat .cse31 (select .cse28 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse25 ((_ extract 63 32) .cse29))) (let ((.cse26 (store (store .cse28 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse29)) .cse10 .cse25))) (let ((.cse19 (store .cse27 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse26))) (store .cse19 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse20 (let ((.cse23 (select .cse19 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse24 (bvadd (concat (select .cse23 .cse2) (select .cse23 |c_ULTIMATE.start_main_~a~0#1.offset|)) (concat .cse25 (select .cse26 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (store (store .cse23 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse24)) .cse2 ((_ extract 63 32) .cse24)))))) (let ((.cse21 (bvadd (concat (select .cse20 .cse12) (select .cse20 .cse13)) (let ((.cse22 (select (store .cse19 |c_ULTIMATE.start_main_~a~0#1.base| .cse20) |c_ULTIMATE.start_main_~#sum~0#1.base|))) (concat (select .cse22 .cse10) (select .cse22 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store (store .cse20 .cse13 ((_ extract 31 0) .cse21)) .cse12 ((_ extract 63 32) .cse21)))))))))))))))) (.cse17 ((_ extract 63 32) (_ bv0 64)))) (let ((.cse15 (store (store (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) (_ bv0 64))) .cse10 .cse17))) (let ((.cse16 (bvadd (concat .cse17 (select .cse15 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (let ((.cse18 (select (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse15) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse18 .cse2) (select .cse18 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (let ((.cse14 ((_ extract 63 32) .cse16))) (let ((.cse8 (store (store .cse15 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse16)) .cse10 .cse14))) (let ((.cse9 (bvadd (let ((.cse11 (select (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse8) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse11 .cse12) (select .cse11 .cse13))) (concat .cse14 (select .cse8 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse5 ((_ extract 63 32) .cse9))) (let ((.cse6 (store (store .cse8 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse9)) .cse10 .cse5))) (let ((.cse3 (select (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse6) |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse4 (bvadd (concat .cse5 (select .cse6 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse3 .cse2) (select .cse3 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store (store .cse3 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse4)) .cse2 ((_ extract 63 32) .cse4))))))))))))) .cse13 v_ArrVal_208)) .cse12 v_ArrVal_207)))) (concat (select .cse1 .cse2) (select .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (bvslt (bvadd |c_ULTIMATE.start_main_~i~0#1| (_ bv1 32)) c_~N~0)) (not (bvsle c_~N~0 (_ bv0 32))) (= (select .cse36 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (_ bv0 32)) (= (select .cse37 (bvadd (_ bv4294967292 32) |c_ULTIMATE.start_main_~a~0#1.offset| .cse38)) (_ bv0 32)) (= |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv0 32)) (= (select .cse37 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv4294967288 32) .cse38)) (_ bv1 32)) (= (select .cse36 |c_ULTIMATE.start_main_~#sum~0#1.offset|) (_ bv0 32)))) is different from true [2021-12-06 19:31:08,763 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ extract 31 0) (_ bv1 64))) (.cse1 (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv8 32))) (.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse2 ((_ extract 63 32) (_ bv1 64))) (.cse4 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (and (bvule c_~N~0 (_ bv536870911 32)) (= (select .cse0 (bvadd (_ bv4294967280 32) |c_ULTIMATE.start_main_~a~0#1.offset| .cse1)) (_ bv1 32)) (= .cse2 (select .cse0 (bvadd (_ bv4294967292 32) |c_ULTIMATE.start_main_~a~0#1.offset| .cse1))) (= (_ bv0 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (= .cse3 (select .cse0 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (= (select .cse0 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|)) (_ bv0 32)) (bvslt (_ bv1 32) c_~N~0) (= (select .cse0 |c_ULTIMATE.start_main_~a~0#1.offset|) (_ bv1 32)) (= (select .cse0 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv4294967288 32) .cse1)) .cse3) (not (bvslt (_ bv2 32) c_~N~0)) (= |c_ULTIMATE.start_main_~i~0#1| (_ bv2 32)) (= (select .cse4 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (_ bv0 32)) (= (select .cse0 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv4294967284 32) .cse1)) (_ bv0 32)) (bvslt (bvadd (_ bv4294967295 32) |c_ULTIMATE.start_main_~i~0#1|) c_~N~0) (= (select .cse0 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv12 32))) .cse2) (= |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv0 32)) (forall ((v_ArrVal_208 (_ BitVec 32)) (v_ArrVal_207 (_ BitVec 32))) (= (let ((.cse6 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse5 (let ((.cse17 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv12 32)))) (store (let ((.cse18 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store (let ((.cse14 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse11 (let ((.cse35 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse36 (bvadd (let ((.cse37 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse37 .cse6) (select .cse37 |c_ULTIMATE.start_main_~a~0#1.offset|))) (concat (select .cse35 .cse14) (select .cse35 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse34 ((_ extract 63 32) .cse36))) (let ((.cse31 (store (store .cse35 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse36)) .cse14 .cse34))) (let ((.cse32 (bvadd (let ((.cse33 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| .cse31) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse33 .cse17) (select .cse33 .cse18))) (concat .cse34 (select .cse31 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse29 ((_ extract 63 32) .cse32))) (let ((.cse30 (store (store .cse31 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse32)) .cse14 .cse29))) (let ((.cse23 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| .cse30))) (store .cse23 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse24 (let ((.cse27 (select .cse23 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse28 (bvadd (concat .cse29 (select .cse30 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse27 .cse6) (select .cse27 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store (store .cse27 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse28)) .cse6 ((_ extract 63 32) .cse28)))))) (let ((.cse25 (bvadd (concat (select .cse24 .cse17) (select .cse24 .cse18)) (let ((.cse26 (select (store .cse23 |c_ULTIMATE.start_main_~a~0#1.base| .cse24) |c_ULTIMATE.start_main_~#sum~0#1.base|))) (concat (select .cse26 .cse14) (select .cse26 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store (store .cse24 .cse18 ((_ extract 31 0) .cse25)) .cse17 ((_ extract 63 32) .cse25)))))))))))))) (.cse21 ((_ extract 63 32) (_ bv0 64)))) (let ((.cse19 (store (store (select .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) (_ bv0 64))) .cse14 .cse21))) (let ((.cse20 (bvadd (concat .cse21 (select .cse19 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (let ((.cse22 (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse19) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse22 .cse6) (select .cse22 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (let ((.cse15 ((_ extract 63 32) .cse20))) (let ((.cse12 (store (store .cse19 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse20)) .cse14 .cse15))) (let ((.cse13 (bvadd (concat .cse15 (select .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (let ((.cse16 (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse12) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse16 .cse17) (select .cse16 .cse18)))))) (let ((.cse9 ((_ extract 63 32) .cse13))) (let ((.cse10 (store (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse13)) .cse14 .cse9))) (let ((.cse7 (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse10) |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse8 (bvadd (concat .cse9 (select .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse7 .cse6) (select .cse7 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store (store .cse7 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse8)) .cse6 ((_ extract 63 32) .cse8))))))))))))) .cse18 v_ArrVal_208)) .cse17 v_ArrVal_207)))) (concat (select .cse5 .cse6) (select .cse5 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (let ((.cse38 ((_ sign_extend 32) (bvadd c_~N~0 (_ bv1 32))))) (bvmul .cse38 .cse38)))) (= (select .cse4 |c_ULTIMATE.start_main_~#sum~0#1.offset|) (_ bv0 32)))) is different from true [2021-12-06 19:31:11,148 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse36 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (and (= |c_ULTIMATE.start_main_~i~0#1| (_ bv0 32)) (= (_ bv0 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (= ((_ extract 31 0) (_ bv1 64)) (select .cse0 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (= (select .cse0 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|)) (_ bv0 32)) (forall ((v_ArrVal_208 (_ BitVec 32)) (v_ArrVal_207 (_ BitVec 32))) (= (let ((.cse2 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse1 (let ((.cse12 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv12 32)))) (store (let ((.cse13 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (store (let ((.cse10 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse7 (let ((.cse32 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|)) (.cse30 (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv8 32)))) (let ((.cse33 (bvadd (concat (select .cse32 .cse10) (select .cse32 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (let ((.cse34 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse34 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset| .cse30)) (select .cse34 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| .cse30))))))) (let ((.cse31 ((_ extract 63 32) .cse33))) (let ((.cse27 (store (store .cse32 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse33)) .cse10 .cse31))) (let ((.cse28 (bvadd (let ((.cse29 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| .cse27) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse29 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| .cse30 (_ bv12 32))) (select .cse29 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset| .cse30)))) (concat .cse31 (select .cse27 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse25 ((_ extract 63 32) .cse28))) (let ((.cse26 (store (store .cse27 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse28)) .cse10 .cse25))) (let ((.cse19 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| .cse26))) (store .cse19 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse20 (let ((.cse23 (select .cse19 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse24 (bvadd (concat .cse25 (select .cse26 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse23 .cse2) (select .cse23 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store (store .cse23 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse24)) .cse2 ((_ extract 63 32) .cse24)))))) (let ((.cse21 (bvadd (concat (select .cse20 .cse12) (select .cse20 .cse13)) (let ((.cse22 (select (store .cse19 |c_ULTIMATE.start_main_~a~0#1.base| .cse20) |c_ULTIMATE.start_main_~#sum~0#1.base|))) (concat (select .cse22 .cse10) (select .cse22 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store (store .cse20 .cse13 ((_ extract 31 0) .cse21)) .cse12 ((_ extract 63 32) .cse21)))))))))))))) (.cse18 ((_ extract 63 32) (_ bv0 64)))) (let ((.cse15 (store (store (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) (_ bv0 64))) .cse10 .cse18))) (let ((.cse16 (bvadd (let ((.cse17 (select (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse15) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse17 .cse2) (select .cse17 |c_ULTIMATE.start_main_~a~0#1.offset|))) (concat .cse18 (select .cse15 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse14 ((_ extract 63 32) .cse16))) (let ((.cse8 (store (store .cse15 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse16)) .cse10 .cse14))) (let ((.cse9 (bvadd (let ((.cse11 (select (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse8) |c_ULTIMATE.start_main_~a~0#1.base|))) (concat (select .cse11 .cse12) (select .cse11 .cse13))) (concat .cse14 (select .cse8 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse5 ((_ extract 63 32) .cse9))) (let ((.cse6 (store (store .cse8 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse9)) .cse10 .cse5))) (let ((.cse3 (select (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse6) |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse4 (bvadd (concat (select .cse3 .cse2) (select .cse3 |c_ULTIMATE.start_main_~a~0#1.offset|)) (concat .cse5 (select .cse6 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (store (store .cse3 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse4)) .cse2 ((_ extract 63 32) .cse4))))))))))))) .cse13 v_ArrVal_208)) .cse12 v_ArrVal_207)))) (concat (select .cse1 .cse2) (select .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (let ((.cse35 ((_ sign_extend 32) (bvadd c_~N~0 (_ bv1 32))))) (bvmul .cse35 .cse35)))) (bvslt (_ bv1 32) c_~N~0) (= (select .cse0 |c_ULTIMATE.start_main_~a~0#1.offset|) (_ bv1 32)) (not (bvslt (_ bv2 32) c_~N~0)) (= (select .cse36 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (_ bv0 32)) (= (select .cse0 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv12 32))) ((_ extract 63 32) (_ bv1 64))) (= |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv0 32)) (= (select .cse36 |c_ULTIMATE.start_main_~#sum~0#1.offset|) (_ bv0 32)))) is different from true [2021-12-06 19:31:37,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:31:37,975 INFO L93 Difference]: Finished difference Result 110 states and 121 transitions. [2021-12-06 19:31:37,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-12-06 19:31:37,975 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 52 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-12-06 19:31:37,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:31:37,976 INFO L225 Difference]: With dead ends: 110 [2021-12-06 19:31:37,976 INFO L226 Difference]: Without dead ends: 108 [2021-12-06 19:31:37,977 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 12 IntricatePredicates, 0 DeprecatedPredicates, 708 ImplicationChecksByTransitivity, 265.5s TimeCoverageRelationStatistics Valid=218, Invalid=2231, Unknown=49, NotChecked=1284, Total=3782 [2021-12-06 19:31:37,978 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 33 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 1369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 911 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:31:37,978 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 203 Invalid, 1369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 443 Invalid, 0 Unknown, 911 Unchecked, 2.1s Time] [2021-12-06 19:31:37,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2021-12-06 19:31:37,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 103. [2021-12-06 19:31:37,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 102 states have (on average 1.1176470588235294) internal successors, (114), 102 states have internal predecessors, (114), 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 19:31:37,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 114 transitions. [2021-12-06 19:31:37,989 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 114 transitions. Word has length 38 [2021-12-06 19:31:37,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:31:37,989 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 114 transitions. [2021-12-06 19:31:37,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 52 states have internal predecessors, (73), 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 19:31:37,989 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 114 transitions. [2021-12-06 19:31:37,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-12-06 19:31:37,990 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:31:37,990 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:31:38,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-12-06 19:31:38,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 19:31:38,192 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:31:38,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:31:38,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1880483610, now seen corresponding path program 5 times [2021-12-06 19:31:38,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 19:31:38,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2097431036] [2021-12-06 19:31:38,195 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-06 19:31:38,195 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 19:31:38,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 19:31:38,198 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 19:31:38,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-06 19:31:38,559 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-12-06 19:31:38,560 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:31:38,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-06 19:31:38,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:31:39,087 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-06 19:31:39,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:31:39,609 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-06 19:31:39,609 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 19:31:39,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2097431036] [2021-12-06 19:31:39,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2097431036] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:31:39,609 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 19:31:39,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 20 [2021-12-06 19:31:39,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225490639] [2021-12-06 19:31:39,609 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 19:31:39,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-12-06 19:31:39,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 19:31:39,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-12-06 19:31:39,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2021-12-06 19:31:39,610 INFO L87 Difference]: Start difference. First operand 103 states and 114 transitions. Second operand has 20 states, 20 states have (on average 3.1) internal successors, (62), 20 states have internal predecessors, (62), 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 19:31:41,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:31:41,472 INFO L93 Difference]: Finished difference Result 134 states and 143 transitions. [2021-12-06 19:31:41,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-06 19:31:41,473 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.1) internal successors, (62), 20 states have internal predecessors, (62), 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 40 [2021-12-06 19:31:41,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:31:41,474 INFO L225 Difference]: With dead ends: 134 [2021-12-06 19:31:41,474 INFO L226 Difference]: Without dead ends: 107 [2021-12-06 19:31:41,474 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=233, Invalid=697, Unknown=0, NotChecked=0, Total=930 [2021-12-06 19:31:41,475 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 336 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 19:31:41,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [336 Valid, 79 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 19:31:41,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-12-06 19:31:41,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 82. [2021-12-06 19:31:41,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.0864197530864197) internal successors, (88), 81 states have internal predecessors, (88), 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 19:31:41,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 88 transitions. [2021-12-06 19:31:41,484 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 88 transitions. Word has length 40 [2021-12-06 19:31:41,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:31:41,484 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 88 transitions. [2021-12-06 19:31:41,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.1) internal successors, (62), 20 states have internal predecessors, (62), 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 19:31:41,485 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2021-12-06 19:31:41,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-12-06 19:31:41,485 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:31:41,486 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:31:41,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-12-06 19:31:41,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 19:31:41,687 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:31:41,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:31:41,688 INFO L85 PathProgramCache]: Analyzing trace with hash -465930606, now seen corresponding path program 1 times [2021-12-06 19:31:41,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 19:31:41,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [936864142] [2021-12-06 19:31:41,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:31:41,690 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 19:31:41,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 19:31:41,693 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 19:31:41,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c20b0a-da9c-4b2c-bfb7-330906f2a12d/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-06 19:31:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:31:41,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 53 conjunts are in the unsatisfiable core [2021-12-06 19:31:41,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:31:42,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2021-12-06 19:31:42,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:42,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:42,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 26 [2021-12-06 19:31:42,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:42,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:42,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:42,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:42,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:42,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:42,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:42,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 45 [2021-12-06 19:31:42,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 41 [2021-12-06 19:31:42,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 41 [2021-12-06 19:31:42,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:42,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:42,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:31:42,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:42,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:42,621 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:31:42,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:42,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:42,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:42,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:42,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 8 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 88 [2021-12-06 19:31:42,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:42,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:42,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:42,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:42,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:42,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:42,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:42,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:42,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:31:42,939 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-12-06 19:31:42,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 145 treesize of output 91 [2021-12-06 19:31:43,214 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-06 19:31:43,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 109 treesize of output 93 [2021-12-06 19:31:43,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:43,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 63 [2021-12-06 19:31:43,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 65 [2021-12-06 19:31:43,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 65 [2021-12-06 19:31:44,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:44,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:44,009 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:31:44,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:44,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:44,012 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:31:44,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:44,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:44,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:44,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:44,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 8 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 112 [2021-12-06 19:31:44,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:44,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:44,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:44,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:44,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:44,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:31:44,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 131 [2021-12-06 19:32:05,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 146 [2021-12-06 19:32:06,218 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 19:32:06,218 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:33:21,538 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_311 (Array (_ BitVec 32) (_ BitVec 32))) (~N~0 (_ BitVec 32))) (let ((.cse10 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse2 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse11 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| v_ArrVal_311))) (let ((.cse7 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv12 32))) (.cse4 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse5 (let ((.cse12 (select .cse11 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse13 (bvadd (concat (select v_ArrVal_311 .cse10) (select v_ArrVal_311 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse12 .cse2) (select .cse12 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store (store .cse12 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse13)) .cse2 ((_ extract 63 32) .cse13)))))) (let ((.cse6 (bvadd (concat (select .cse5 .cse7) (select .cse5 .cse4)) (let ((.cse9 (select (store .cse11 |c_ULTIMATE.start_main_~a~0#1.base| .cse5) |c_ULTIMATE.start_main_~#sum~0#1.base|))) (concat (select .cse9 .cse10) (select .cse9 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (let ((.cse3 ((_ extract 63 32) .cse6))) (let ((.cse0 (let ((.cse8 ((_ sign_extend 32) (bvadd ~N~0 (_ bv1 32))))) (bvmul .cse8 .cse8))) (.cse1 (store (store .cse5 .cse4 ((_ extract 31 0) .cse6)) .cse7 .cse3))) (or (not (= .cse0 (concat (select .cse1 .cse2) (select .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (= .cse0 (concat .cse3 (select .cse1 .cse4)))))))))) is different from false [2021-12-06 19:33:32,668 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_311 (Array (_ BitVec 32) (_ BitVec 32))) (~N~0 (_ BitVec 32))) (let ((.cse10 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse4 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse11 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse19 (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv8 32)))) (let ((.cse17 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| .cse19 (_ bv12 32))) (.cse14 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse15 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset| .cse19))) (let ((.cse16 (bvadd (let ((.cse18 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (concat (select .cse18 .cse10) (select .cse18 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (concat (select .cse14 .cse17) (select .cse14 .cse15))))) (store (store .cse14 .cse15 ((_ extract 31 0) .cse16)) .cse17 ((_ extract 63 32) .cse16)))))) |c_ULTIMATE.start_main_~#sum~0#1.base| v_ArrVal_311))) (let ((.cse8 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv12 32))) (.cse6 (let ((.cse12 (select .cse11 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse13 (bvadd (concat (select v_ArrVal_311 .cse10) (select v_ArrVal_311 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse12 .cse4) (select .cse12 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store (store .cse12 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse13)) .cse4 ((_ extract 63 32) .cse13))))) (.cse3 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse7 (bvadd (let ((.cse9 (select (store .cse11 |c_ULTIMATE.start_main_~a~0#1.base| .cse6) |c_ULTIMATE.start_main_~#sum~0#1.base|))) (concat (select .cse9 .cse10) (select .cse9 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (concat (select .cse6 .cse8) (select .cse6 .cse3))))) (let ((.cse1 ((_ extract 63 32) .cse7))) (let ((.cse2 (store (store .cse6 .cse3 ((_ extract 31 0) .cse7)) .cse8 .cse1)) (.cse0 (let ((.cse5 ((_ sign_extend 32) (bvadd ~N~0 (_ bv1 32))))) (bvmul .cse5 .cse5)))) (or (= .cse0 (concat .cse1 (select .cse2 .cse3))) (not (= (concat (select .cse2 .cse4) (select .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse0)))))))))) is different from false [2021-12-06 19:33:33,843 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_311 (Array (_ BitVec 32) (_ BitVec 32))) (~N~0 (_ BitVec 32))) (let ((.cse10 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse2 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse11 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse24 (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv8 32)))) (let ((.cse17 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| .cse24 (_ bv12 32))) (.cse15 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset| .cse24)) (.cse14 (let ((.cse22 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset| .cse24)) (.cse19 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse20 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| .cse24))) (let ((.cse21 (bvadd (let ((.cse23 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (concat (select .cse23 .cse10) (select .cse23 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (concat (select .cse19 .cse22) (select .cse19 .cse20))))) (store (store .cse19 .cse20 ((_ extract 31 0) .cse21)) .cse22 ((_ extract 63 32) .cse21)))))) (let ((.cse16 (bvadd (concat (select .cse14 .cse17) (select .cse14 .cse15)) (let ((.cse18 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse14) |c_ULTIMATE.start_main_~#sum~0#1.base|))) (concat (select .cse18 .cse10) (select .cse18 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store (store .cse14 .cse15 ((_ extract 31 0) .cse16)) .cse17 ((_ extract 63 32) .cse16)))))) |c_ULTIMATE.start_main_~#sum~0#1.base| v_ArrVal_311))) (let ((.cse8 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv12 32))) (.cse6 (let ((.cse12 (select .cse11 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse13 (bvadd (concat (select v_ArrVal_311 .cse10) (select v_ArrVal_311 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse12 .cse2) (select .cse12 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store (store .cse12 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse13)) .cse2 ((_ extract 63 32) .cse13))))) (.cse4 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse7 (bvadd (let ((.cse9 (select (store .cse11 |c_ULTIMATE.start_main_~a~0#1.base| .cse6) |c_ULTIMATE.start_main_~#sum~0#1.base|))) (concat (select .cse9 .cse10) (select .cse9 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (concat (select .cse6 .cse8) (select .cse6 .cse4))))) (let ((.cse3 ((_ extract 63 32) .cse7))) (let ((.cse1 (store (store .cse6 .cse4 ((_ extract 31 0) .cse7)) .cse8 .cse3)) (.cse0 (let ((.cse5 ((_ sign_extend 32) (bvadd ~N~0 (_ bv1 32))))) (bvmul .cse5 .cse5)))) (or (not (= .cse0 (concat (select .cse1 .cse2) (select .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (= (concat .cse3 (select .cse1 .cse4)) .cse0))))))))) is different from false [2021-12-06 19:33:34,914 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_311 (Array (_ BitVec 32) (_ BitVec 32))) (~N~0 (_ BitVec 32))) (let ((.cse8 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv12 32))) (.cse2 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse4 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse10 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse11 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse14 (let ((.cse17 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse18 (bvadd (concat (select .cse17 .cse4) (select .cse17 |c_ULTIMATE.start_main_~a~0#1.offset|)) (let ((.cse19 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (concat (select .cse19 .cse10) (select .cse19 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store (store .cse17 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse18)) .cse4 ((_ extract 63 32) .cse18)))))) (let ((.cse15 (bvadd (let ((.cse16 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse14) |c_ULTIMATE.start_main_~#sum~0#1.base|))) (concat (select .cse16 .cse10) (select .cse16 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (concat (select .cse14 .cse8) (select .cse14 .cse2))))) (store (store .cse14 .cse2 ((_ extract 31 0) .cse15)) .cse8 ((_ extract 63 32) .cse15))))) |c_ULTIMATE.start_main_~#sum~0#1.base| v_ArrVal_311))) (let ((.cse6 (let ((.cse12 (select .cse11 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse13 (bvadd (concat (select v_ArrVal_311 .cse10) (select v_ArrVal_311 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse12 .cse4) (select .cse12 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store (store .cse12 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse13)) .cse4 ((_ extract 63 32) .cse13)))))) (let ((.cse7 (bvadd (let ((.cse9 (select (store .cse11 |c_ULTIMATE.start_main_~a~0#1.base| .cse6) |c_ULTIMATE.start_main_~#sum~0#1.base|))) (concat (select .cse9 .cse10) (select .cse9 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (concat (select .cse6 .cse8) (select .cse6 .cse2))))) (let ((.cse0 ((_ extract 63 32) .cse7))) (let ((.cse1 (store (store .cse6 .cse2 ((_ extract 31 0) .cse7)) .cse8 .cse0)) (.cse3 (let ((.cse5 ((_ sign_extend 32) (bvadd ~N~0 (_ bv1 32))))) (bvmul .cse5 .cse5)))) (or (= (concat .cse0 (select .cse1 .cse2)) .cse3) (not (= (concat (select .cse1 .cse4) (select .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse3)))))))))) is different from false [2021-12-06 19:33:36,894 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_311 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_302 (Array (_ BitVec 32) (_ BitVec 32))) (~N~0 (_ BitVec 32))) (let ((.cse8 (bvadd |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv12 32))) (.cse2 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse10 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse4 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse11 (store (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| v_ArrVal_302))) (store .cse14 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse15 (let ((.cse18 (select .cse14 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse19 (bvadd (concat (select v_ArrVal_302 .cse10) (select v_ArrVal_302 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse18 .cse4) (select .cse18 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store (store .cse18 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse19)) .cse4 ((_ extract 63 32) .cse19)))))) (let ((.cse16 (bvadd (concat (select .cse15 .cse8) (select .cse15 .cse2)) (let ((.cse17 (select (store .cse14 |c_ULTIMATE.start_main_~a~0#1.base| .cse15) |c_ULTIMATE.start_main_~#sum~0#1.base|))) (concat (select .cse17 .cse10) (select .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (store (store .cse15 .cse2 ((_ extract 31 0) .cse16)) .cse8 ((_ extract 63 32) .cse16)))))) |c_ULTIMATE.start_main_~#sum~0#1.base| v_ArrVal_311))) (let ((.cse6 (let ((.cse12 (select .cse11 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse13 (bvadd (concat (select v_ArrVal_311 .cse10) (select v_ArrVal_311 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (concat (select .cse12 .cse4) (select .cse12 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (store (store .cse12 |c_ULTIMATE.start_main_~a~0#1.offset| ((_ extract 31 0) .cse13)) .cse4 ((_ extract 63 32) .cse13)))))) (let ((.cse7 (bvadd (concat (select .cse6 .cse8) (select .cse6 .cse2)) (let ((.cse9 (select (store .cse11 |c_ULTIMATE.start_main_~a~0#1.base| .cse6) |c_ULTIMATE.start_main_~#sum~0#1.base|))) (concat (select .cse9 .cse10) (select .cse9 |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))) (let ((.cse0 ((_ extract 63 32) .cse7))) (let ((.cse1 (store (store .cse6 .cse2 ((_ extract 31 0) .cse7)) .cse8 .cse0)) (.cse3 (let ((.cse5 ((_ sign_extend 32) (bvadd ~N~0 (_ bv1 32))))) (bvmul .cse5 .cse5)))) (or (= (concat .cse0 (select .cse1 .cse2)) .cse3) (not (= (concat (select .cse1 .cse4) (select .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse3)))))))))) is different from false [2021-12-06 19:34:44,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:34:51,385 WARN L227 SmtUtils]: Spent 6.76s on a formula simplification. DAG size of input: 56 DAG size of output: 29 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-12-06 19:34:51,386 INFO L354 Elim1Store]: treesize reduction 303, result has 14.6 percent of original size [2021-12-06 19:34:51,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 463729 treesize of output 125780 [2021-12-06 19:34:51,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 411403 treesize of output 377795 [2021-12-06 19:34:51,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:34:51,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:34:51,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:34:51,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:34:51,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:34:51,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:35:07,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:35:07,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:35:07,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:35:07,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:35:07,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:35:07,805 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:35:08,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:35:09,913 INFO L244 Elim1Store]: Index analysis took 3649 ms