./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/psyco/psyco_abp_1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/psyco/psyco_abp_1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8e1064ca8851049d7703c5646c80faf613ee8a93 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:02:34,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:02:34,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:02:34,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:02:34,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:02:34,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:02:34,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:02:34,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:02:34,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:02:34,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:02:34,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:02:34,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:02:34,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:02:34,667 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:02:34,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:02:34,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:02:34,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:02:34,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:02:34,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:02:34,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:02:34,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:02:34,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:02:34,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:02:34,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:02:34,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:02:34,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:02:34,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:02:34,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:02:34,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:02:34,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:02:34,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:02:34,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:02:34,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:02:34,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:02:34,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:02:34,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:02:34,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:02:34,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:02:34,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:02:34,722 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:02:34,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:02:34,723 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-10-13 01:02:34,770 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:02:34,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:02:34,771 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:02:34,771 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:02:34,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:02:34,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:02:34,773 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:02:34,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:02:34,774 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:02:34,774 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:02:34,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:02:34,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:02:34,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:02:34,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 01:02:34,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 01:02:34,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 01:02:34,777 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 01:02:34,777 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:02:34,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:02:34,777 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:02:34,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 01:02:34,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:02:34,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:02:34,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 01:02:34,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:02:34,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:02:34,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 01:02:34,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 01:02:34,780 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:02:34,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 01:02:34,781 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 01:02:34,782 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:02:34,782 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_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e1064ca8851049d7703c5646c80faf613ee8a93 [2021-10-13 01:02:35,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:02:35,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:02:35,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:02:35,115 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:02:35,116 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:02:35,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/psyco/psyco_abp_1-1.c [2021-10-13 01:02:35,196 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/data/51fa031e1/3990c899032a41ad9e3b47ba45cea130/FLAGac3a59a72 [2021-10-13 01:02:35,765 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:02:35,765 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/sv-benchmarks/c/psyco/psyco_abp_1-1.c [2021-10-13 01:02:35,791 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/data/51fa031e1/3990c899032a41ad9e3b47ba45cea130/FLAGac3a59a72 [2021-10-13 01:02:36,062 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/data/51fa031e1/3990c899032a41ad9e3b47ba45cea130 [2021-10-13 01:02:36,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:02:36,065 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:02:36,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:02:36,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:02:36,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:02:36,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:02:36" (1/1) ... [2021-10-13 01:02:36,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26a84e03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:36, skipping insertion in model container [2021-10-13 01:02:36,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:02:36" (1/1) ... [2021-10-13 01:02:36,085 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:02:36,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:02:36,430 WARN L228 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_c98b35f7-3d6a-4846-8795-e5ccbed9b736/sv-benchmarks/c/psyco/psyco_abp_1-1.c[24818,24831] [2021-10-13 01:02:36,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:02:36,476 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:02:36,596 WARN L228 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_c98b35f7-3d6a-4846-8795-e5ccbed9b736/sv-benchmarks/c/psyco/psyco_abp_1-1.c[24818,24831] [2021-10-13 01:02:36,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:02:36,631 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:02:36,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:36 WrapperNode [2021-10-13 01:02:36,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:02:36,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:02:36,633 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:02:36,633 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:02:36,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:36" (1/1) ... [2021-10-13 01:02:36,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:36" (1/1) ... [2021-10-13 01:02:36,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:02:36,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:02:36,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:02:36,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:02:36,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:36" (1/1) ... [2021-10-13 01:02:36,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:36" (1/1) ... [2021-10-13 01:02:36,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:36" (1/1) ... [2021-10-13 01:02:36,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:36" (1/1) ... [2021-10-13 01:02:36,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:36" (1/1) ... [2021-10-13 01:02:36,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:36" (1/1) ... [2021-10-13 01:02:36,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:36" (1/1) ... [2021-10-13 01:02:36,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:02:36,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:02:36,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:02:36,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:02:36,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:36" (1/1) ... [2021-10-13 01:02:36,814 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:02:36,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:02:36,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 01:02:36,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 01:02:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:02:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:02:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:02:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:02:37,736 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:02:37,736 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-13 01:02:37,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:02:37 BoogieIcfgContainer [2021-10-13 01:02:37,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:02:37,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 01:02:37,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 01:02:37,744 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 01:02:37,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:02:36" (1/3) ... [2021-10-13 01:02:37,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77ed4a6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:02:37, skipping insertion in model container [2021-10-13 01:02:37,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:36" (2/3) ... [2021-10-13 01:02:37,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77ed4a6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:02:37, skipping insertion in model container [2021-10-13 01:02:37,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:02:37" (3/3) ... [2021-10-13 01:02:37,747 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_abp_1-1.c [2021-10-13 01:02:37,752 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 01:02:37,752 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2021-10-13 01:02:37,832 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 01:02:37,838 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-10-13 01:02:37,839 INFO L340 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2021-10-13 01:02:37,860 INFO L276 IsEmpty]: Start isEmpty. Operand has 195 states, 152 states have (on average 1.9605263157894737) internal successors, (298), 194 states have internal predecessors, (298), 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) [2021-10-13 01:02:37,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 01:02:37,866 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:37,866 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:37,867 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-10-13 01:02:37,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:37,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1915241167, now seen corresponding path program 1 times [2021-10-13 01:02:37,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:37,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453335808] [2021-10-13 01:02:37,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:37,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:37,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:38,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:02:38,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:38,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453335808] [2021-10-13 01:02:38,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453335808] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:38,049 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:38,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:02:38,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575137631] [2021-10-13 01:02:38,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:02:38,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:38,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:02:38,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:38,072 INFO L87 Difference]: Start difference. First operand has 195 states, 152 states have (on average 1.9605263157894737) internal successors, (298), 194 states have internal predecessors, (298), 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 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-10-13 01:02:38,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:38,183 INFO L93 Difference]: Finished difference Result 392 states and 602 transitions. [2021-10-13 01:02:38,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:02:38,184 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2021-10-13 01:02:38,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:38,195 INFO L225 Difference]: With dead ends: 392 [2021-10-13 01:02:38,196 INFO L226 Difference]: Without dead ends: 168 [2021-10-13 01:02:38,199 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:38,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-10-13 01:02:38,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2021-10-13 01:02:38,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 126 states have (on average 1.6904761904761905) internal successors, (213), 167 states have internal predecessors, (213), 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) [2021-10-13 01:02:38,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 213 transitions. [2021-10-13 01:02:38,244 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 213 transitions. Word has length 11 [2021-10-13 01:02:38,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:38,244 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 213 transitions. [2021-10-13 01:02:38,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-10-13 01:02:38,245 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 213 transitions. [2021-10-13 01:02:38,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 01:02:38,246 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:38,246 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:38,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 01:02:38,247 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-10-13 01:02:38,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:38,248 INFO L82 PathProgramCache]: Analyzing trace with hash 101136252, now seen corresponding path program 1 times [2021-10-13 01:02:38,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:38,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211344100] [2021-10-13 01:02:38,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:38,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:38,316 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:02:38,317 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:38,317 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211344100] [2021-10-13 01:02:38,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211344100] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:38,317 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:38,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 01:02:38,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433218651] [2021-10-13 01:02:38,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:02:38,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:38,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:02:38,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:38,330 INFO L87 Difference]: Start difference. First operand 168 states and 213 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-10-13 01:02:38,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:38,500 INFO L93 Difference]: Finished difference Result 456 states and 625 transitions. [2021-10-13 01:02:38,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:02:38,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2021-10-13 01:02:38,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:38,509 INFO L225 Difference]: With dead ends: 456 [2021-10-13 01:02:38,509 INFO L226 Difference]: Without dead ends: 265 [2021-10-13 01:02:38,513 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:38,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2021-10-13 01:02:38,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 259. [2021-10-13 01:02:38,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 217 states have (on average 1.6175115207373272) internal successors, (351), 258 states have internal predecessors, (351), 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) [2021-10-13 01:02:38,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 351 transitions. [2021-10-13 01:02:38,542 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 351 transitions. Word has length 17 [2021-10-13 01:02:38,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:38,543 INFO L470 AbstractCegarLoop]: Abstraction has 259 states and 351 transitions. [2021-10-13 01:02:38,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-10-13 01:02:38,543 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 351 transitions. [2021-10-13 01:02:38,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 01:02:38,545 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:38,545 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:38,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 01:02:38,547 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-10-13 01:02:38,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:38,548 INFO L82 PathProgramCache]: Analyzing trace with hash 2081470014, now seen corresponding path program 1 times [2021-10-13 01:02:38,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:38,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135701373] [2021-10-13 01:02:38,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:38,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:38,678 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:02:38,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:38,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135701373] [2021-10-13 01:02:38,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135701373] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:38,684 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:38,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 01:02:38,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856653452] [2021-10-13 01:02:38,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:02:38,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:38,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:02:38,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:38,689 INFO L87 Difference]: Start difference. First operand 259 states and 351 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-10-13 01:02:38,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:38,745 INFO L93 Difference]: Finished difference Result 364 states and 499 transitions. [2021-10-13 01:02:38,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:02:38,745 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 19 [2021-10-13 01:02:38,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:38,749 INFO L225 Difference]: With dead ends: 364 [2021-10-13 01:02:38,749 INFO L226 Difference]: Without dead ends: 356 [2021-10-13 01:02:38,749 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:38,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-10-13 01:02:38,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 350. [2021-10-13 01:02:38,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 308 states have (on average 1.5714285714285714) internal successors, (484), 349 states have internal predecessors, (484), 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) [2021-10-13 01:02:38,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 484 transitions. [2021-10-13 01:02:38,781 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 484 transitions. Word has length 19 [2021-10-13 01:02:38,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:38,781 INFO L470 AbstractCegarLoop]: Abstraction has 350 states and 484 transitions. [2021-10-13 01:02:38,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-10-13 01:02:38,781 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 484 transitions. [2021-10-13 01:02:38,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 01:02:38,790 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:38,790 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:38,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 01:02:38,791 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-10-13 01:02:38,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:38,793 INFO L82 PathProgramCache]: Analyzing trace with hash 851576329, now seen corresponding path program 1 times [2021-10-13 01:02:38,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:38,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509928638] [2021-10-13 01:02:38,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:38,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:38,910 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 01:02:38,910 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:38,910 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509928638] [2021-10-13 01:02:38,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509928638] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:38,911 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:38,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:02:38,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534464021] [2021-10-13 01:02:38,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:02:38,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:38,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:02:38,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:38,913 INFO L87 Difference]: Start difference. First operand 350 states and 484 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:38,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:38,966 INFO L93 Difference]: Finished difference Result 724 states and 1011 transitions. [2021-10-13 01:02:38,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:02:38,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-13 01:02:38,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:38,969 INFO L225 Difference]: With dead ends: 724 [2021-10-13 01:02:38,969 INFO L226 Difference]: Without dead ends: 377 [2021-10-13 01:02:38,971 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:38,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2021-10-13 01:02:38,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2021-10-13 01:02:38,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 335 states have (on average 1.5552238805970149) internal successors, (521), 376 states have internal predecessors, (521), 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) [2021-10-13 01:02:38,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 521 transitions. [2021-10-13 01:02:38,988 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 521 transitions. Word has length 28 [2021-10-13 01:02:38,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:38,989 INFO L470 AbstractCegarLoop]: Abstraction has 377 states and 521 transitions. [2021-10-13 01:02:38,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:38,990 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 521 transitions. [2021-10-13 01:02:38,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-13 01:02:38,998 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:38,998 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:38,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 01:02:38,999 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-10-13 01:02:38,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:38,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1974679586, now seen corresponding path program 1 times [2021-10-13 01:02:38,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:39,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167121466] [2021-10-13 01:02:39,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:39,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:39,095 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-13 01:02:39,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:39,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167121466] [2021-10-13 01:02:39,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167121466] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:39,097 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:39,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 01:02:39,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100538957] [2021-10-13 01:02:39,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:02:39,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:39,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:02:39,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:39,099 INFO L87 Difference]: Start difference. First operand 377 states and 521 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-10-13 01:02:39,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:39,202 INFO L93 Difference]: Finished difference Result 736 states and 1042 transitions. [2021-10-13 01:02:39,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:02:39,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 31 [2021-10-13 01:02:39,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:39,205 INFO L225 Difference]: With dead ends: 736 [2021-10-13 01:02:39,206 INFO L226 Difference]: Without dead ends: 362 [2021-10-13 01:02:39,207 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:39,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2021-10-13 01:02:39,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 358. [2021-10-13 01:02:39,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 333 states have (on average 1.4984984984984986) internal successors, (499), 357 states have internal predecessors, (499), 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) [2021-10-13 01:02:39,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 499 transitions. [2021-10-13 01:02:39,218 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 499 transitions. Word has length 31 [2021-10-13 01:02:39,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:39,219 INFO L470 AbstractCegarLoop]: Abstraction has 358 states and 499 transitions. [2021-10-13 01:02:39,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-10-13 01:02:39,219 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 499 transitions. [2021-10-13 01:02:39,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-13 01:02:39,221 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:39,221 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-10-13 01:02:39,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 01:02:39,222 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-10-13 01:02:39,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:39,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1085523680, now seen corresponding path program 1 times [2021-10-13 01:02:39,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:39,223 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682942124] [2021-10-13 01:02:39,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:39,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:39,302 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-13 01:02:39,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:39,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682942124] [2021-10-13 01:02:39,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682942124] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:39,303 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:39,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:02:39,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174222715] [2021-10-13 01:02:39,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:02:39,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:39,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:02:39,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:39,305 INFO L87 Difference]: Start difference. First operand 358 states and 499 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2021-10-13 01:02:39,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:39,328 INFO L93 Difference]: Finished difference Result 716 states and 998 transitions. [2021-10-13 01:02:39,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:02:39,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-13 01:02:39,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:39,338 INFO L225 Difference]: With dead ends: 716 [2021-10-13 01:02:39,338 INFO L226 Difference]: Without dead ends: 358 [2021-10-13 01:02:39,339 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:39,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2021-10-13 01:02:39,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 358. [2021-10-13 01:02:39,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 333 states have (on average 1.4894894894894894) internal successors, (496), 357 states have internal predecessors, (496), 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) [2021-10-13 01:02:39,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 496 transitions. [2021-10-13 01:02:39,351 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 496 transitions. Word has length 32 [2021-10-13 01:02:39,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:39,353 INFO L470 AbstractCegarLoop]: Abstraction has 358 states and 496 transitions. [2021-10-13 01:02:39,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2021-10-13 01:02:39,353 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 496 transitions. [2021-10-13 01:02:39,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-13 01:02:39,356 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:39,357 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-10-13 01:02:39,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 01:02:39,357 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-10-13 01:02:39,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:39,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1085525346, now seen corresponding path program 1 times [2021-10-13 01:02:39,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:39,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256645133] [2021-10-13 01:02:39,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:39,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:39,426 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:02:39,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:39,427 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256645133] [2021-10-13 01:02:39,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256645133] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:02:39,427 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307405242] [2021-10-13 01:02:39,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:39,427 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:02:39,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:02:39,431 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:02:39,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 01:02:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:39,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 01:02:39,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:02:39,726 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:02:39,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1307405242] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:39,727 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 01:02:39,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-10-13 01:02:39,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102088137] [2021-10-13 01:02:39,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 01:02:39,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:39,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 01:02:39,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:02:39,730 INFO L87 Difference]: Start difference. First operand 358 states and 496 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2021-10-13 01:02:39,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:39,883 INFO L93 Difference]: Finished difference Result 527 states and 708 transitions. [2021-10-13 01:02:39,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 01:02:39,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-13 01:02:39,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:39,887 INFO L225 Difference]: With dead ends: 527 [2021-10-13 01:02:39,887 INFO L226 Difference]: Without dead ends: 484 [2021-10-13 01:02:39,887 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:02:39,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2021-10-13 01:02:39,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 364. [2021-10-13 01:02:39,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 339 states have (on average 1.4955752212389382) internal successors, (507), 363 states have internal predecessors, (507), 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) [2021-10-13 01:02:39,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 507 transitions. [2021-10-13 01:02:39,898 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 507 transitions. Word has length 32 [2021-10-13 01:02:39,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:39,899 INFO L470 AbstractCegarLoop]: Abstraction has 364 states and 507 transitions. [2021-10-13 01:02:39,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2021-10-13 01:02:39,899 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 507 transitions. [2021-10-13 01:02:39,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-13 01:02:39,900 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:39,900 INFO L512 BasicCegarLoop]: trace histogram [3, 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] [2021-10-13 01:02:39,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 01:02:40,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:02:40,115 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-10-13 01:02:40,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:40,116 INFO L82 PathProgramCache]: Analyzing trace with hash 384460768, now seen corresponding path program 1 times [2021-10-13 01:02:40,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:40,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841783765] [2021-10-13 01:02:40,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:40,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:40,157 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:02:40,157 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:40,157 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841783765] [2021-10-13 01:02:40,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841783765] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:02:40,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255085156] [2021-10-13 01:02:40,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:40,158 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:02:40,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:02:40,159 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:02:40,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-13 01:02:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:40,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:02:40,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:02:40,384 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-13 01:02:40,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255085156] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:40,384 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 01:02:40,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-10-13 01:02:40,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210091256] [2021-10-13 01:02:40,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:02:40,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:40,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:02:40,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:02:40,386 INFO L87 Difference]: Start difference. First operand 364 states and 507 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2021-10-13 01:02:40,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:40,434 INFO L93 Difference]: Finished difference Result 364 states and 507 transitions. [2021-10-13 01:02:40,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:02:40,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-13 01:02:40,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:40,437 INFO L225 Difference]: With dead ends: 364 [2021-10-13 01:02:40,437 INFO L226 Difference]: Without dead ends: 321 [2021-10-13 01:02:40,437 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:02:40,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2021-10-13 01:02:40,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 219. [2021-10-13 01:02:40,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 211 states have (on average 1.4644549763033174) internal successors, (309), 218 states have internal predecessors, (309), 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) [2021-10-13 01:02:40,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 309 transitions. [2021-10-13 01:02:40,445 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 309 transitions. Word has length 32 [2021-10-13 01:02:40,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:40,447 INFO L470 AbstractCegarLoop]: Abstraction has 219 states and 309 transitions. [2021-10-13 01:02:40,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2021-10-13 01:02:40,449 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 309 transitions. [2021-10-13 01:02:40,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 01:02:40,453 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:40,453 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-10-13 01:02:40,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-13 01:02:40,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:02:40,680 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-10-13 01:02:40,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:40,680 INFO L82 PathProgramCache]: Analyzing trace with hash -487184860, now seen corresponding path program 1 times [2021-10-13 01:02:40,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:40,680 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515700971] [2021-10-13 01:02:40,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:40,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:40,723 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:02:40,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:40,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515700971] [2021-10-13 01:02:40,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515700971] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:02:40,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392593025] [2021-10-13 01:02:40,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:40,725 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:02:40,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:02:40,726 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:02:40,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-13 01:02:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:40,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 01:02:40,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:02:40,922 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:02:40,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392593025] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:02:40,922 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:02:40,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-10-13 01:02:40,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883730461] [2021-10-13 01:02:40,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 01:02:40,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:40,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 01:02:40,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:02:40,924 INFO L87 Difference]: Start difference. First operand 219 states and 309 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 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) [2021-10-13 01:02:40,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:40,994 INFO L93 Difference]: Finished difference Result 225 states and 316 transitions. [2021-10-13 01:02:40,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 01:02:40,994 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 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 34 [2021-10-13 01:02:40,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:40,995 INFO L225 Difference]: With dead ends: 225 [2021-10-13 01:02:40,995 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 01:02:40,996 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.7ms TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-10-13 01:02:40,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 01:02:40,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 01:02:40,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-10-13 01:02:40,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 01:02:40,997 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2021-10-13 01:02:40,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:40,997 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:02:40,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 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) [2021-10-13 01:02:40,998 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 01:02:40,998 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 01:02:41,000 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,000 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,001 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,001 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,001 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,002 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,002 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,002 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,003 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,003 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,004 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,004 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,005 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,005 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,005 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,005 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,006 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,006 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,006 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,006 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,006 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,007 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,007 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,007 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,007 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,008 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,008 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,008 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,008 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,008 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,009 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,009 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,009 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,009 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,010 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,010 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,010 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,010 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,010 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,011 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,011 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,011 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 01:02:41,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-13 01:02:41,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:02:41,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 01:02:41,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:41,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:41,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:41,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:41,331 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2021-10-13 01:02:41,332 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 513) no Hoare annotation was computed. [2021-10-13 01:02:41,333 INFO L857 garLoopResultBuilder]: For program point L465(lines 465 564) no Hoare annotation was computed. [2021-10-13 01:02:41,334 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 443) no Hoare annotation was computed. [2021-10-13 01:02:41,334 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 252) no Hoare annotation was computed. [2021-10-13 01:02:41,334 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 381) no Hoare annotation was computed. [2021-10-13 01:02:41,335 INFO L857 garLoopResultBuilder]: For program point L300(lines 300 311) no Hoare annotation was computed. [2021-10-13 01:02:41,335 INFO L857 garLoopResultBuilder]: For program point L168(lines 168 179) no Hoare annotation was computed. [2021-10-13 01:02:41,335 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 543) no Hoare annotation was computed. [2021-10-13 01:02:41,335 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 388) no Hoare annotation was computed. [2021-10-13 01:02:41,335 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 481) no Hoare annotation was computed. [2021-10-13 01:02:41,335 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 411) no Hoare annotation was computed. [2021-10-13 01:02:41,336 INFO L857 garLoopResultBuilder]: For program point L268(lines 268 279) no Hoare annotation was computed. [2021-10-13 01:02:41,336 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW(line 536) no Hoare annotation was computed. [2021-10-13 01:02:41,336 INFO L857 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-10-13 01:02:41,336 INFO L857 garLoopResultBuilder]: For program point L136-1(line 136) no Hoare annotation was computed. [2021-10-13 01:02:41,337 INFO L857 garLoopResultBuilder]: For program point L136-2(lines 136 138) no Hoare annotation was computed. [2021-10-13 01:02:41,337 INFO L857 garLoopResultBuilder]: For program point L500(lines 500 511) no Hoare annotation was computed. [2021-10-13 01:02:41,338 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 388) no Hoare annotation was computed. [2021-10-13 01:02:41,338 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 379) no Hoare annotation was computed. [2021-10-13 01:02:41,338 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 488) no Hoare annotation was computed. [2021-10-13 01:02:41,338 INFO L857 garLoopResultBuilder]: For program point L236(line 236) no Hoare annotation was computed. [2021-10-13 01:02:41,338 INFO L857 garLoopResultBuilder]: For program point L236-1(line 236) no Hoare annotation was computed. [2021-10-13 01:02:41,338 INFO L857 garLoopResultBuilder]: For program point L236-2(lines 236 238) no Hoare annotation was computed. [2021-10-13 01:02:41,339 INFO L857 garLoopResultBuilder]: For program point L104(lines 104 106) no Hoare annotation was computed. [2021-10-13 01:02:41,339 INFO L857 garLoopResultBuilder]: For program point L468(lines 468 479) no Hoare annotation was computed. [2021-10-13 01:02:41,339 INFO L857 garLoopResultBuilder]: For program point L336(line 336) no Hoare annotation was computed. [2021-10-13 01:02:41,339 INFO L857 garLoopResultBuilder]: For program point L336-1(line 336) no Hoare annotation was computed. [2021-10-13 01:02:41,339 INFO L857 garLoopResultBuilder]: For program point L336-2(lines 336 338) no Hoare annotation was computed. [2021-10-13 01:02:41,339 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 206) no Hoare annotation was computed. [2021-10-13 01:02:41,340 INFO L857 garLoopResultBuilder]: For program point L72(lines 72 74) no Hoare annotation was computed. [2021-10-13 01:02:41,340 INFO L857 garLoopResultBuilder]: For program point L436(line 436) no Hoare annotation was computed. [2021-10-13 01:02:41,340 INFO L857 garLoopResultBuilder]: For program point L436-1(line 436) no Hoare annotation was computed. [2021-10-13 01:02:41,340 INFO L857 garLoopResultBuilder]: For program point L436-2(lines 436 438) no Hoare annotation was computed. [2021-10-13 01:02:41,341 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 306) no Hoare annotation was computed. [2021-10-13 01:02:41,341 INFO L857 garLoopResultBuilder]: For program point L172(lines 172 174) no Hoare annotation was computed. [2021-10-13 01:02:41,341 INFO L857 garLoopResultBuilder]: For program point L40(lines 40 42) no Hoare annotation was computed. [2021-10-13 01:02:41,341 INFO L857 garLoopResultBuilder]: For program point L40-2(lines 26 567) no Hoare annotation was computed. [2021-10-13 01:02:41,341 INFO L857 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2021-10-13 01:02:41,342 INFO L857 garLoopResultBuilder]: For program point L536-1(line 536) no Hoare annotation was computed. [2021-10-13 01:02:41,342 INFO L857 garLoopResultBuilder]: For program point L536-2(lines 536 538) no Hoare annotation was computed. [2021-10-13 01:02:41,342 INFO L857 garLoopResultBuilder]: For program point L404(lines 404 406) no Hoare annotation was computed. [2021-10-13 01:02:41,342 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 236) no Hoare annotation was computed. [2021-10-13 01:02:41,342 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 274) no Hoare annotation was computed. [2021-10-13 01:02:41,342 INFO L857 garLoopResultBuilder]: For program point L504(lines 504 506) no Hoare annotation was computed. [2021-10-13 01:02:41,343 INFO L857 garLoopResultBuilder]: For program point L372(lines 372 374) no Hoare annotation was computed. [2021-10-13 01:02:41,343 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 236) no Hoare annotation was computed. [2021-10-13 01:02:41,343 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 352) no Hoare annotation was computed. [2021-10-13 01:02:41,343 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2021-10-13 01:02:41,343 INFO L857 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2021-10-13 01:02:41,343 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 488) no Hoare annotation was computed. [2021-10-13 01:02:41,344 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 136) no Hoare annotation was computed. [2021-10-13 01:02:41,344 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 288) no Hoare annotation was computed. [2021-10-13 01:02:41,344 INFO L857 garLoopResultBuilder]: For program point L78(line 78) no Hoare annotation was computed. [2021-10-13 01:02:41,344 INFO L857 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2021-10-13 01:02:41,345 INFO L857 garLoopResultBuilder]: For program point L78-2(line 78) no Hoare annotation was computed. [2021-10-13 01:02:41,345 INFO L857 garLoopResultBuilder]: For program point L78-3(line 78) no Hoare annotation was computed. [2021-10-13 01:02:41,345 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 288) no Hoare annotation was computed. [2021-10-13 01:02:41,345 INFO L857 garLoopResultBuilder]: For program point L46(lines 46 61) no Hoare annotation was computed. [2021-10-13 01:02:41,346 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2021-10-13 01:02:41,346 INFO L857 garLoopResultBuilder]: For program point L146(lines 146 161) no Hoare annotation was computed. [2021-10-13 01:02:41,346 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW(line 552) no Hoare annotation was computed. [2021-10-13 01:02:41,346 INFO L857 garLoopResultBuilder]: For program point L246(lines 246 261) no Hoare annotation was computed. [2021-10-13 01:02:41,346 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2021-10-13 01:02:41,347 INFO L857 garLoopResultBuilder]: For program point L114(lines 114 129) no Hoare annotation was computed. [2021-10-13 01:02:41,347 INFO L857 garLoopResultBuilder]: For program point L48(lines 48 59) no Hoare annotation was computed. [2021-10-13 01:02:41,348 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW(line 536) no Hoare annotation was computed. [2021-10-13 01:02:41,348 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 88) no Hoare annotation was computed. [2021-10-13 01:02:41,348 INFO L857 garLoopResultBuilder]: For program point L346(lines 346 361) no Hoare annotation was computed. [2021-10-13 01:02:41,348 INFO L857 garLoopResultBuilder]: For program point L214(lines 214 229) no Hoare annotation was computed. [2021-10-13 01:02:41,348 INFO L857 garLoopResultBuilder]: For program point L148(lines 148 159) no Hoare annotation was computed. [2021-10-13 01:02:41,349 INFO L857 garLoopResultBuilder]: For program point L82(lines 82 97) no Hoare annotation was computed. [2021-10-13 01:02:41,349 INFO L860 garLoopResultBuilder]: At program point L16(lines 16 572) the Hoare annotation is: true [2021-10-13 01:02:41,350 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 461) no Hoare annotation was computed. [2021-10-13 01:02:41,350 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 88) no Hoare annotation was computed. [2021-10-13 01:02:41,350 INFO L857 garLoopResultBuilder]: For program point L314(lines 314 329) no Hoare annotation was computed. [2021-10-13 01:02:41,350 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 259) no Hoare annotation was computed. [2021-10-13 01:02:41,352 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 197) no Hoare annotation was computed. [2021-10-13 01:02:41,352 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 127) no Hoare annotation was computed. [2021-10-13 01:02:41,352 INFO L857 garLoopResultBuilder]: For program point L546(lines 546 561) no Hoare annotation was computed. [2021-10-13 01:02:41,352 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 429) no Hoare annotation was computed. [2021-10-13 01:02:41,353 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 359) no Hoare annotation was computed. [2021-10-13 01:02:41,353 INFO L857 garLoopResultBuilder]: For program point L282(lines 282 297) no Hoare annotation was computed. [2021-10-13 01:02:41,353 INFO L857 garLoopResultBuilder]: For program point L216(lines 216 227) no Hoare annotation was computed. [2021-10-13 01:02:41,353 INFO L857 garLoopResultBuilder]: For program point L84(lines 84 95) no Hoare annotation was computed. [2021-10-13 01:02:41,353 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 252) no Hoare annotation was computed. [2021-10-13 01:02:41,353 INFO L857 garLoopResultBuilder]: For program point L514(lines 514 529) no Hoare annotation was computed. [2021-10-13 01:02:41,354 INFO L857 garLoopResultBuilder]: For program point L448(lines 448 459) no Hoare annotation was computed. [2021-10-13 01:02:41,354 INFO L857 garLoopResultBuilder]: For program point L382(lines 382 397) no Hoare annotation was computed. [2021-10-13 01:02:41,354 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 327) no Hoare annotation was computed. [2021-10-13 01:02:41,354 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW(line 558) no Hoare annotation was computed. [2021-10-13 01:02:41,354 INFO L857 garLoopResultBuilder]: For program point L184(lines 184 195) no Hoare annotation was computed. [2021-10-13 01:02:41,354 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 436) no Hoare annotation was computed. [2021-10-13 01:02:41,355 INFO L857 garLoopResultBuilder]: For program point L52(lines 52 54) no Hoare annotation was computed. [2021-10-13 01:02:41,355 INFO L857 garLoopResultBuilder]: For program point L548(lines 548 559) no Hoare annotation was computed. [2021-10-13 01:02:41,355 INFO L857 garLoopResultBuilder]: For program point L482(lines 482 497) no Hoare annotation was computed. [2021-10-13 01:02:41,355 INFO L857 garLoopResultBuilder]: For program point L416(lines 416 427) no Hoare annotation was computed. [2021-10-13 01:02:41,355 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 01:02:41,355 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 295) no Hoare annotation was computed. [2021-10-13 01:02:41,355 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-13 01:02:41,356 INFO L857 garLoopResultBuilder]: For program point L152-1(line 152) no Hoare annotation was computed. [2021-10-13 01:02:41,356 INFO L857 garLoopResultBuilder]: For program point L152-2(lines 152 154) no Hoare annotation was computed. [2021-10-13 01:02:41,356 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 152) no Hoare annotation was computed. [2021-10-13 01:02:41,356 INFO L857 garLoopResultBuilder]: For program point L516(lines 516 527) no Hoare annotation was computed. [2021-10-13 01:02:41,356 INFO L857 garLoopResultBuilder]: For program point L384(lines 384 395) no Hoare annotation was computed. [2021-10-13 01:02:41,356 INFO L857 garLoopResultBuilder]: For program point L252(line 252) no Hoare annotation was computed. [2021-10-13 01:02:41,357 INFO L857 garLoopResultBuilder]: For program point L252-1(line 252) no Hoare annotation was computed. [2021-10-13 01:02:41,357 INFO L857 garLoopResultBuilder]: For program point L252-2(lines 252 254) no Hoare annotation was computed. [2021-10-13 01:02:41,357 INFO L857 garLoopResultBuilder]: For program point L120(lines 120 122) no Hoare annotation was computed. [2021-10-13 01:02:41,357 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 152) no Hoare annotation was computed. [2021-10-13 01:02:41,357 INFO L857 garLoopResultBuilder]: For program point L484(lines 484 495) no Hoare annotation was computed. [2021-10-13 01:02:41,357 INFO L857 garLoopResultBuilder]: For program point L352(line 352) no Hoare annotation was computed. [2021-10-13 01:02:41,358 INFO L857 garLoopResultBuilder]: For program point L352-1(line 352) no Hoare annotation was computed. [2021-10-13 01:02:41,358 INFO L857 garLoopResultBuilder]: For program point L352-2(lines 352 354) no Hoare annotation was computed. [2021-10-13 01:02:41,358 INFO L857 garLoopResultBuilder]: For program point L220(lines 220 222) no Hoare annotation was computed. [2021-10-13 01:02:41,358 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-10-13 01:02:41,359 INFO L857 garLoopResultBuilder]: For program point L88-1(line 88) no Hoare annotation was computed. [2021-10-13 01:02:41,359 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 294) no Hoare annotation was computed. [2021-10-13 01:02:41,359 INFO L857 garLoopResultBuilder]: For program point L88-2(lines 88 90) no Hoare annotation was computed. [2021-10-13 01:02:41,359 INFO L857 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2021-10-13 01:02:41,360 INFO L857 garLoopResultBuilder]: For program point L452-1(line 452) no Hoare annotation was computed. [2021-10-13 01:02:41,360 INFO L857 garLoopResultBuilder]: For program point L452-2(lines 452 454) no Hoare annotation was computed. [2021-10-13 01:02:41,360 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 322) no Hoare annotation was computed. [2021-10-13 01:02:41,360 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-13 01:02:41,360 INFO L857 garLoopResultBuilder]: For program point L188-1(line 188) no Hoare annotation was computed. [2021-10-13 01:02:41,360 INFO L857 garLoopResultBuilder]: For program point L188-2(lines 188 190) no Hoare annotation was computed. [2021-10-13 01:02:41,361 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 294) no Hoare annotation was computed. [2021-10-13 01:02:41,361 INFO L857 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2021-10-13 01:02:41,361 INFO L857 garLoopResultBuilder]: For program point L552-2(line 552) no Hoare annotation was computed. [2021-10-13 01:02:41,361 INFO L857 garLoopResultBuilder]: For program point L552-3(line 552) no Hoare annotation was computed. [2021-10-13 01:02:41,361 INFO L857 garLoopResultBuilder]: For program point L420(lines 420 422) no Hoare annotation was computed. [2021-10-13 01:02:41,361 INFO L857 garLoopResultBuilder]: For program point L552-4(lines 552 554) no Hoare annotation was computed. [2021-10-13 01:02:41,361 INFO L857 garLoopResultBuilder]: For program point L288(line 288) no Hoare annotation was computed. [2021-10-13 01:02:41,362 INFO L857 garLoopResultBuilder]: For program point L288-2(line 288) no Hoare annotation was computed. [2021-10-13 01:02:41,362 INFO L857 garLoopResultBuilder]: For program point L288-3(line 288) no Hoare annotation was computed. [2021-10-13 01:02:41,362 INFO L857 garLoopResultBuilder]: For program point L288-4(lines 288 290) no Hoare annotation was computed. [2021-10-13 01:02:41,362 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2021-10-13 01:02:41,362 INFO L860 garLoopResultBuilder]: At program point L553(lines 16 572) the Hoare annotation is: true [2021-10-13 01:02:41,363 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW(line 558) no Hoare annotation was computed. [2021-10-13 01:02:41,363 INFO L857 garLoopResultBuilder]: For program point L520(lines 520 522) no Hoare annotation was computed. [2021-10-13 01:02:41,363 INFO L857 garLoopResultBuilder]: For program point L388(line 388) no Hoare annotation was computed. [2021-10-13 01:02:41,363 INFO L857 garLoopResultBuilder]: For program point L388-1(line 388) no Hoare annotation was computed. [2021-10-13 01:02:41,363 INFO L857 garLoopResultBuilder]: For program point L388-2(lines 388 390) no Hoare annotation was computed. [2021-10-13 01:02:41,363 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 01:02:41,365 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2021-10-13 01:02:41,365 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW(line 552) no Hoare annotation was computed. [2021-10-13 01:02:41,365 INFO L857 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2021-10-13 01:02:41,366 INFO L857 garLoopResultBuilder]: For program point L488-1(line 488) no Hoare annotation was computed. [2021-10-13 01:02:41,366 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 490) no Hoare annotation was computed. [2021-10-13 01:02:41,369 INFO L853 garLoopResultBuilder]: At program point L26-2(lines 26 567) the Hoare annotation is: (and (<= 0 (+ 16 ULTIMATE.start_main_~this_expect~0)) (<= 0 ULTIMATE.start_main_~this_buffer_empty~0) (<= ULTIMATE.start_main_~this_buffer_empty~0 1) (<= ULTIMATE.start_main_~this_expect~0 16)) [2021-10-13 01:02:41,369 INFO L857 garLoopResultBuilder]: For program point L26-3(lines 26 567) no Hoare annotation was computed. [2021-10-13 01:02:41,369 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 136) no Hoare annotation was computed. [2021-10-13 01:02:41,370 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 352) no Hoare annotation was computed. [2021-10-13 01:02:41,370 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 452) no Hoare annotation was computed. [2021-10-13 01:02:41,370 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2021-10-13 01:02:41,370 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 01:02:41,370 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2021-10-13 01:02:41,370 INFO L857 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2021-10-13 01:02:41,371 INFO L857 garLoopResultBuilder]: For program point L558-1(line 558) no Hoare annotation was computed. [2021-10-13 01:02:41,371 INFO L857 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2021-10-13 01:02:41,371 INFO L857 garLoopResultBuilder]: For program point L426-1(line 426) no Hoare annotation was computed. [2021-10-13 01:02:41,371 INFO L857 garLoopResultBuilder]: For program point L426-2(line 426) no Hoare annotation was computed. [2021-10-13 01:02:41,371 INFO L857 garLoopResultBuilder]: For program point L426-3(line 426) no Hoare annotation was computed. [2021-10-13 01:02:41,371 INFO L857 garLoopResultBuilder]: For program point L294(line 294) no Hoare annotation was computed. [2021-10-13 01:02:41,371 INFO L857 garLoopResultBuilder]: For program point L294-1(line 294) no Hoare annotation was computed. [2021-10-13 01:02:41,372 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 188) no Hoare annotation was computed. [2021-10-13 01:02:41,372 INFO L857 garLoopResultBuilder]: For program point L130(lines 130 145) no Hoare annotation was computed. [2021-10-13 01:02:41,372 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 188) no Hoare annotation was computed. [2021-10-13 01:02:41,372 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 245) no Hoare annotation was computed. [2021-10-13 01:02:41,372 INFO L857 garLoopResultBuilder]: For program point L98(lines 98 113) no Hoare annotation was computed. [2021-10-13 01:02:41,372 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 164) no Hoare annotation was computed. [2021-10-13 01:02:41,373 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 01:02:41,373 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 336) no Hoare annotation was computed. [2021-10-13 01:02:41,373 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 452) no Hoare annotation was computed. [2021-10-13 01:02:41,373 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 345) no Hoare annotation was computed. [2021-10-13 01:02:41,373 INFO L857 garLoopResultBuilder]: For program point L198(lines 198 213) no Hoare annotation was computed. [2021-10-13 01:02:41,373 INFO L857 garLoopResultBuilder]: For program point L165(lines 165 264) no Hoare annotation was computed. [2021-10-13 01:02:41,374 INFO L857 garLoopResultBuilder]: For program point L132(lines 132 143) no Hoare annotation was computed. [2021-10-13 01:02:41,374 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2021-10-13 01:02:41,374 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 336) no Hoare annotation was computed. [2021-10-13 01:02:41,374 INFO L857 garLoopResultBuilder]: For program point L430(lines 430 445) no Hoare annotation was computed. [2021-10-13 01:02:41,374 INFO L857 garLoopResultBuilder]: For program point L298(lines 298 313) no Hoare annotation was computed. [2021-10-13 01:02:41,374 INFO L857 garLoopResultBuilder]: For program point L265(lines 265 364) no Hoare annotation was computed. [2021-10-13 01:02:41,375 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 243) no Hoare annotation was computed. [2021-10-13 01:02:41,375 INFO L857 garLoopResultBuilder]: For program point L166(lines 166 181) no Hoare annotation was computed. [2021-10-13 01:02:41,375 INFO L857 garLoopResultBuilder]: For program point L100(lines 100 111) no Hoare annotation was computed. [2021-10-13 01:02:41,375 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 436) no Hoare annotation was computed. [2021-10-13 01:02:41,375 INFO L853 garLoopResultBuilder]: At program point L563(lines 26 567) the Hoare annotation is: (let ((.cse0 (<= 0 (+ 16 ULTIMATE.start_main_~this_expect~0))) (.cse1 (<= 0 ULTIMATE.start_main_~this_buffer_empty~0)) (.cse2 (<= ULTIMATE.start_main_~this_buffer_empty~0 1))) (or (and (<= 3 ULTIMATE.start_main_~q~0) .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_main_~this_expect~0 16)))) [2021-10-13 01:02:41,375 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 545) no Hoare annotation was computed. [2021-10-13 01:02:41,376 INFO L857 garLoopResultBuilder]: For program point L398(lines 398 413) no Hoare annotation was computed. [2021-10-13 01:02:41,376 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 464) no Hoare annotation was computed. [2021-10-13 01:02:41,376 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 343) no Hoare annotation was computed. [2021-10-13 01:02:41,376 INFO L857 garLoopResultBuilder]: For program point L266(lines 266 281) no Hoare annotation was computed. [2021-10-13 01:02:41,376 INFO L857 garLoopResultBuilder]: For program point L200(lines 200 211) no Hoare annotation was computed. [2021-10-13 01:02:41,376 INFO L857 garLoopResultBuilder]: For program point L68(lines 68 79) no Hoare annotation was computed. [2021-10-13 01:02:41,381 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 01:02:41,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 01:02:41 BoogieIcfgContainer [2021-10-13 01:02:41,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 01:02:41,404 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:02:41,404 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:02:41,405 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:02:41,405 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:02:37" (3/4) ... [2021-10-13 01:02:41,410 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 01:02:41,436 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-13 01:02:41,436 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 01:02:41,436 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 01:02:41,436 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 01:02:41,462 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 01:02:41,462 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:02:41,463 INFO L168 Benchmark]: Toolchain (without parser) took 5397.26 ms. Allocated memory was 86.0 MB in the beginning and 132.1 MB in the end (delta: 46.1 MB). Free memory was 51.0 MB in the beginning and 88.2 MB in the end (delta: -37.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:41,464 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 86.0 MB. Free memory was 56.6 MB in the beginning and 56.5 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:02:41,464 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.47 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 50.8 MB in the beginning and 70.7 MB in the end (delta: -19.9 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:41,464 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.93 ms. Allocated memory is still 104.9 MB. Free memory was 70.7 MB in the beginning and 66.1 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:41,465 INFO L168 Benchmark]: Boogie Preprocessor took 83.72 ms. Allocated memory is still 104.9 MB. Free memory was 66.1 MB in the beginning and 63.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:41,465 INFO L168 Benchmark]: RCFGBuilder took 939.11 ms. Allocated memory is still 104.9 MB. Free memory was 63.0 MB in the beginning and 52.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:41,466 INFO L168 Benchmark]: TraceAbstraction took 3663.20 ms. Allocated memory was 104.9 MB in the beginning and 132.1 MB in the end (delta: 27.3 MB). Free memory was 52.0 MB in the beginning and 91.4 MB in the end (delta: -39.4 MB). Peak memory consumption was 43.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:41,466 INFO L168 Benchmark]: Witness Printer took 57.68 ms. Allocated memory is still 132.1 MB. Free memory was 91.4 MB in the beginning and 88.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:41,468 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 86.0 MB. Free memory was 56.6 MB in the beginning and 56.5 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 565.47 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 50.8 MB in the beginning and 70.7 MB in the end (delta: -19.9 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.93 ms. Allocated memory is still 104.9 MB. Free memory was 70.7 MB in the beginning and 66.1 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 83.72 ms. Allocated memory is still 104.9 MB. Free memory was 66.1 MB in the beginning and 63.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 939.11 ms. Allocated memory is still 104.9 MB. Free memory was 63.0 MB in the beginning and 52.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3663.20 ms. Allocated memory was 104.9 MB in the beginning and 132.1 MB in the end (delta: 27.3 MB). Free memory was 52.0 MB in the beginning and 91.4 MB in the end (delta: -39.4 MB). Peak memory consumption was 43.5 MB. Max. memory is 16.1 GB. * Witness Printer took 57.68 ms. Allocated memory is still 132.1 MB. Free memory was 91.4 MB in the beginning and 88.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 136]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 136]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 152]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 152]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 188]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 188]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 236]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 236]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 288]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 288]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 294]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 294]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 336]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 336]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 352]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 352]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 388]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 388]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 426]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 426]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 426]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 426]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 436]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 436]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 452]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 452]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 488]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 488]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 536]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 536]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 195 locations, 42 error locations. Started 1 CEGAR loops. OverallTime: 3549.9ms, OverallIterations: 9, TraceHistogramMax: 3, EmptinessCheckTime: 37.6ms, AutomataDifference: 883.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 91.0ms, InitialAbstractionConstructionTime: 16.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1787 SDtfs, 1403 SDslu, 1235 SDs, 0 SdLazy, 392 SolverSat, 144 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 441.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 42.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=377occurred in iteration=4, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 149.0ms AutomataMinimizationTime, 9 MinimizatonAttempts, 238 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 18 NumberOfFragments, 48 HoareAnnotationTreeSize, 4 FomulaSimplifications, 412 FormulaSimplificationTreeSizeReduction, 31.4ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 74 FormulaSimplificationTreeSizeReductionInter, 53.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 86.0ms SsaConstructionTime, 333.9ms SatisfiabilityAnalysisTime, 841.1ms InterpolantComputationTime, 334 NumberOfCodeBlocks, 334 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 322 ConstructedInterpolants, 0 QuantifiedInterpolants, 658 SizeOfPredicates, 0 NumberOfNonLiveVariables, 663 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 83/97 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 42 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: ((0 <= 16 + this_expect && 0 <= this_buffer_empty) && this_buffer_empty <= 1) && this_expect <= 16 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: (((3 <= q && 0 <= 16 + this_expect) && 0 <= this_buffer_empty) && this_buffer_empty <= 1) || (((0 <= 16 + this_expect && 0 <= this_buffer_empty) && this_buffer_empty <= 1) && this_expect <= 16) RESULT: Ultimate proved your program to be correct! [2021-10-13 01:02:41,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c98b35f7-3d6a-4846-8795-e5ccbed9b736/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...