./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/jain_4-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c319a1-4d99-4c07-8391-b8130d86b237/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c319a1-4d99-4c07-8391-b8130d86b237/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c319a1-4d99-4c07-8391-b8130d86b237/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c319a1-4d99-4c07-8391-b8130d86b237/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/jain_4-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c319a1-4d99-4c07-8391-b8130d86b237/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c319a1-4d99-4c07-8391-b8130d86b237/bin/uautomizer-Z5i5R5N3CC --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 50877d5973732425843dd90649ca5203953d931d ........................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:32:39,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:32:39,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:32:39,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:32:39,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:32:39,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:32:39,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:32:39,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:32:39,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:32:39,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:32:39,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:32:39,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:32:39,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:32:39,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:32:39,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:32:39,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:32:39,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:32:39,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:32:39,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:32:39,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:32:39,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:32:39,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:32:39,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:32:39,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:32:39,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:32:39,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:32:39,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:32:39,794 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:32:39,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:32:39,802 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:32:39,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:32:39,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:32:39,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:32:39,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:32:39,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:32:39,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:32:39,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:32:39,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:32:39,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:32:39,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:32:39,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:32:39,820 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c319a1-4d99-4c07-8391-b8130d86b237/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:32:39,881 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:32:39,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:32:39,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:32:39,886 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:32:39,886 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:32:39,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:32:39,887 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:32:39,887 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:32:39,887 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:32:39,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:32:39,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:32:39,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:32:39,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:32:39,898 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:32:39,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:32:39,899 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:32:39,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:32:39,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:32:39,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:32:39,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:32:39,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:32:39,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:32:39,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:32:39,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:32:39,902 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:32:39,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:32:39,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:32:39,902 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:32:39,903 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_17c319a1-4d99-4c07-8391-b8130d86b237/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c319a1-4d99-4c07-8391-b8130d86b237/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50877d5973732425843dd90649ca5203953d931d [2021-10-11 00:32:40,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:32:40,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:32:40,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:32:40,301 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:32:40,302 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:32:40,303 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c319a1-4d99-4c07-8391-b8130d86b237/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/bitvector/jain_4-2.c [2021-10-11 00:32:40,386 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c319a1-4d99-4c07-8391-b8130d86b237/bin/uautomizer-Z5i5R5N3CC/data/7a7aea7a8/4545d81e55074b78bf63eaed85cf9742/FLAGd58c01e64 [2021-10-11 00:32:40,911 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:32:40,913 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c319a1-4d99-4c07-8391-b8130d86b237/sv-benchmarks/c/bitvector/jain_4-2.c [2021-10-11 00:32:40,928 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c319a1-4d99-4c07-8391-b8130d86b237/bin/uautomizer-Z5i5R5N3CC/data/7a7aea7a8/4545d81e55074b78bf63eaed85cf9742/FLAGd58c01e64 [2021-10-11 00:32:41,244 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c319a1-4d99-4c07-8391-b8130d86b237/bin/uautomizer-Z5i5R5N3CC/data/7a7aea7a8/4545d81e55074b78bf63eaed85cf9742 [2021-10-11 00:32:41,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:32:41,250 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:32:41,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:32:41,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:32:41,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:32:41,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:41" (1/1) ... [2021-10-11 00:32:41,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@277ff0e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:41, skipping insertion in model container [2021-10-11 00:32:41,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:41" (1/1) ... [2021-10-11 00:32:41,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:32:41,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:32:41,468 WARN L226 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_17c319a1-4d99-4c07-8391-b8130d86b237/sv-benchmarks/c/bitvector/jain_4-2.c[370,383] [2021-10-11 00:32:41,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:32:41,493 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:32:41,509 WARN L226 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_17c319a1-4d99-4c07-8391-b8130d86b237/sv-benchmarks/c/bitvector/jain_4-2.c[370,383] [2021-10-11 00:32:41,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:32:41,532 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:32:41,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:41 WrapperNode [2021-10-11 00:32:41,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:32:41,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:32:41,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:32:41,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:32:41,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:41" (1/1) ... [2021-10-11 00:32:41,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:41" (1/1) ... [2021-10-11 00:32:41,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:32:41,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:32:41,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:32:41,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:32:41,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:41" (1/1) ... [2021-10-11 00:32:41,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:41" (1/1) ... [2021-10-11 00:32:41,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:41" (1/1) ... [2021-10-11 00:32:41,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:41" (1/1) ... [2021-10-11 00:32:41,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:41" (1/1) ... [2021-10-11 00:32:41,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:41" (1/1) ... [2021-10-11 00:32:41,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:41" (1/1) ... [2021-10-11 00:32:41,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:32:41,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:32:41,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:32:41,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:32:41,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:41" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c319a1-4d99-4c07-8391-b8130d86b237/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:32:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:32:41,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:32:41,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:32:41,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:32:42,109 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:32:42,109 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 00:32:42,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:42 BoogieIcfgContainer [2021-10-11 00:32:42,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:32:42,112 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:32:42,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:32:42,118 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:32:42,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:32:41" (1/3) ... [2021-10-11 00:32:42,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d66b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:32:42, skipping insertion in model container [2021-10-11 00:32:42,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:41" (2/3) ... [2021-10-11 00:32:42,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d66b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:32:42, skipping insertion in model container [2021-10-11 00:32:42,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:42" (3/3) ... [2021-10-11 00:32:42,125 INFO L111 eAbstractionObserver]: Analyzing ICFG jain_4-2.c [2021-10-11 00:32:42,143 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:32:42,147 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:32:42,165 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:32:42,192 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:32:42,193 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:32:42,193 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:32:42,193 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:32:42,193 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:32:42,194 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:32:42,194 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:32:42,194 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:32:42,210 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2021-10-11 00:32:42,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-11 00:32:42,216 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:42,217 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-11 00:32:42,218 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:42,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:42,225 INFO L82 PathProgramCache]: Analyzing trace with hash 28699754, now seen corresponding path program 1 times [2021-10-11 00:32:42,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:42,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313202649] [2021-10-11 00:32:42,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:42,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:42,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313202649] [2021-10-11 00:32:42,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:42,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:32:42,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795090077] [2021-10-11 00:32:42,517 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:32:42,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:42,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:32:42,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:32:42,563 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 4 states. [2021-10-11 00:32:42,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:42,669 INFO L93 Difference]: Finished difference Result 16 states and 24 transitions. [2021-10-11 00:32:42,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:32:42,672 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2021-10-11 00:32:42,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:42,681 INFO L225 Difference]: With dead ends: 16 [2021-10-11 00:32:42,682 INFO L226 Difference]: Without dead ends: 8 [2021-10-11 00:32:42,685 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:32:42,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2021-10-11 00:32:42,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-10-11 00:32:42,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-10-11 00:32:42,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2021-10-11 00:32:42,725 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 5 [2021-10-11 00:32:42,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:42,726 INFO L481 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2021-10-11 00:32:42,726 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:32:42,726 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2021-10-11 00:32:42,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-11 00:32:42,727 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:42,727 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2021-10-11 00:32:42,728 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:32:42,728 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:42,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:42,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1810804418, now seen corresponding path program 1 times [2021-10-11 00:32:42,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:42,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084386316] [2021-10-11 00:32:42,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:42,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:42,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084386316] [2021-10-11 00:32:42,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908864740] [2021-10-11 00:32:42,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c319a1-4d99-4c07-8391-b8130d86b237/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:32:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:43,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-11 00:32:43,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:32:44,454 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-10-11 00:32:44,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:44,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:32:44,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-10-11 00:32:44,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207543702] [2021-10-11 00:32:44,533 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:32:44,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:44,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:32:44,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:32:44,536 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 7 states. [2021-10-11 00:32:46,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:46,675 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2021-10-11 00:32:46,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:32:46,676 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 7 [2021-10-11 00:32:46,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:46,677 INFO L225 Difference]: With dead ends: 13 [2021-10-11 00:32:46,677 INFO L226 Difference]: Without dead ends: 11 [2021-10-11 00:32:46,678 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:32:46,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-10-11 00:32:46,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2021-10-11 00:32:46,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-10-11 00:32:46,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2021-10-11 00:32:46,683 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 7 [2021-10-11 00:32:46,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:46,684 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2021-10-11 00:32:46,684 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:32:46,693 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2021-10-11 00:32:46,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-11 00:32:46,693 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:46,694 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2021-10-11 00:32:46,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-10-11 00:32:46,920 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:46,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:46,921 INFO L82 PathProgramCache]: Analyzing trace with hash 721435418, now seen corresponding path program 2 times [2021-10-11 00:32:46,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:46,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955746456] [2021-10-11 00:32:46,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:47,059 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-11 00:32:47,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955746456] [2021-10-11 00:32:47,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508233922] [2021-10-11 00:32:47,061 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c319a1-4d99-4c07-8391-b8130d86b237/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:32:47,184 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-11 00:32:47,184 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-11 00:32:47,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-11 00:32:47,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:32:48,152 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-10-11 00:32:48,164 INFO L757 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-10-11 00:32:48,206 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-11 00:32:48,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:32:48,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 8 [2021-10-11 00:32:48,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013487624] [2021-10-11 00:32:48,216 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 00:32:48,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:48,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 00:32:48,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:32:48,221 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 8 states. [2021-10-11 00:32:48,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:48,256 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2021-10-11 00:32:48,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:32:48,258 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 9 [2021-10-11 00:32:48,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:48,259 INFO L225 Difference]: With dead ends: 10 [2021-10-11 00:32:48,259 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:32:48,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:32:48,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:32:48,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:32:48,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:32:48,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:32:48,264 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2021-10-11 00:32:48,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:48,264 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:32:48,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 00:32:48,266 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:32:48,267 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:32:48,475 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:32:48,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:32:48,576 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:32:48,576 INFO L262 CegarLoopResult]: For program point L7(lines 7 9) no Hoare annotation was computed. [2021-10-11 00:32:48,577 INFO L258 CegarLoopResult]: At program point L7-2(lines 6 27) the Hoare annotation is: (or (and (= ULTIMATE.start_main_~x~0 0) (= ULTIMATE.start_main_~y~0 0) (= ULTIMATE.start_main_~z~0 0)) (and (= (mod (* ULTIMATE.start_main_~z~0 7) (- 8)) 0) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= (mod (* ULTIMATE.start_main_~x~0 3) (- 4)) 0) (= (mod (* ULTIMATE.start_main_~y~0 3) (- 4)) 0))) [2021-10-11 00:32:48,577 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:32:48,577 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:32:48,577 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:32:48,577 INFO L258 CegarLoopResult]: At program point L28(lines 12 29) the Hoare annotation is: false [2021-10-11 00:32:48,578 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2021-10-11 00:32:48,578 INFO L262 CegarLoopResult]: For program point L20-2(lines 20 27) no Hoare annotation was computed. [2021-10-11 00:32:48,578 INFO L262 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2021-10-11 00:32:48,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:32:48 BoogieIcfgContainer [2021-10-11 00:32:48,597 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:32:48,598 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:32:48,598 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:32:48,598 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:32:48,599 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:42" (3/4) ... [2021-10-11 00:32:48,603 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:32:48,621 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-11 00:32:48,622 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 00:32:48,622 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:32:48,622 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:32:48,676 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c319a1-4d99-4c07-8391-b8130d86b237/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:32:48,677 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:32:48,679 INFO L168 Benchmark]: Toolchain (without parser) took 7428.27 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 43.8 MB in the beginning and 44.0 MB in the end (delta: -160.6 kB). Peak memory consumption was 27.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:48,681 INFO L168 Benchmark]: CDTParser took 0.64 ms. Allocated memory is still 86.0 MB. Free memory was 59.9 MB in the beginning and 59.9 MB in the end (delta: 40.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:32:48,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.45 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 43.6 MB in the beginning and 84.2 MB in the end (delta: -40.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:48,684 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.19 ms. Allocated memory is still 111.1 MB. Free memory was 84.2 MB in the beginning and 82.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:32:48,686 INFO L168 Benchmark]: Boogie Preprocessor took 21.81 ms. Allocated memory is still 111.1 MB. Free memory was 82.7 MB in the beginning and 81.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:48,687 INFO L168 Benchmark]: RCFGBuilder took 516.23 ms. Allocated memory is still 111.1 MB. Free memory was 81.5 MB in the beginning and 84.5 MB in the end (delta: -3.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:48,687 INFO L168 Benchmark]: TraceAbstraction took 6484.82 ms. Allocated memory is still 111.1 MB. Free memory was 83.9 MB in the beginning and 46.8 MB in the end (delta: 37.1 MB). Peak memory consumption was 39.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:48,688 INFO L168 Benchmark]: Witness Printer took 79.20 ms. Allocated memory is still 111.1 MB. Free memory was 46.8 MB in the beginning and 44.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:48,692 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 ms. Allocated memory is still 86.0 MB. Free memory was 59.9 MB in the beginning and 59.9 MB in the end (delta: 40.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 281.45 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 43.6 MB in the beginning and 84.2 MB in the end (delta: -40.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.19 ms. Allocated memory is still 111.1 MB. Free memory was 84.2 MB in the beginning and 82.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.81 ms. Allocated memory is still 111.1 MB. Free memory was 82.7 MB in the beginning and 81.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 516.23 ms. Allocated memory is still 111.1 MB. Free memory was 81.5 MB in the beginning and 84.5 MB in the end (delta: -3.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6484.82 ms. Allocated memory is still 111.1 MB. Free memory was 83.9 MB in the beginning and 46.8 MB in the end (delta: 37.1 MB). Peak memory consumption was 39.0 MB. Max. memory is 16.1 GB. * Witness Printer took 79.20 ms. Allocated memory is still 111.1 MB. Free memory was 46.8 MB in the beginning and 44.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: ((x == 0 && y == 0) && z == 0) || (((z * 7 % -8 == 0 && 1 == cond) && x * 3 % -4 == 0) && y * 3 % -4 == 0) - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.2s, OverallIterations: 3, TraceHistogramMax: 3, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 11 SDtfs, 7 SDslu, 22 SDs, 0 SdLazy, 23 SolverSat, 6 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 37 HoareAnnotationTreeSize, 2 FomulaSimplifications, 41 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 2062 SizeOfPredicates, 10 NumberOfNonLiveVariables, 133 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 3/16 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...