./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i -s /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer --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 31d31f19d6102d681e76882a8d8f65cc05410b48 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i -s /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer --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 31d31f19d6102d681e76882a8d8f65cc05410b48 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:15:25,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:15:26,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:15:26,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:15:26,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:15:26,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:15:26,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:15:26,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:15:26,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:15:26,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:15:26,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:15:26,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:15:26,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:15:26,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:15:26,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:15:26,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:15:26,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:15:26,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:15:26,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:15:26,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:15:26,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:15:26,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:15:26,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:15:26,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:15:26,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:15:26,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:15:26,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:15:26,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:15:26,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:15:26,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:15:26,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:15:26,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:15:26,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:15:26,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:15:26,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:15:26,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:15:26,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:15:26,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:15:26,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:15:26,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:15:26,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:15:26,103 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 18:15:26,127 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:15:26,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:15:26,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:15:26,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:15:26,131 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:15:26,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:15:26,132 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:15:26,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:15:26,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:15:26,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:15:26,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:15:26,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:15:26,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:15:26,135 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:15:26,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:15:26,136 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:15:26,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:15:26,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:15:26,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:15:26,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:15:26,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:15:26,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:15:26,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:15:26,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:15:26,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:15:26,140 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:15:26,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:15:26,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:15:26,141 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:15:26,142 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-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31d31f19d6102d681e76882a8d8f65cc05410b48 [2020-11-29 18:15:26,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:15:26,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:15:26,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:15:26,397 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:15:26,400 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:15:26,401 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2020-11-29 18:15:26,470 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/data/38b576c2c/3bb2dfb17cef40ce940acf29b5a1114a/FLAGf82ba28f2 [2020-11-29 18:15:27,166 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:15:27,166 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2020-11-29 18:15:27,221 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/data/38b576c2c/3bb2dfb17cef40ce940acf29b5a1114a/FLAGf82ba28f2 [2020-11-29 18:15:27,295 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/data/38b576c2c/3bb2dfb17cef40ce940acf29b5a1114a [2020-11-29 18:15:27,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:15:27,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:15:27,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:15:27,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:15:27,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:15:27,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:15:27" (1/1) ... [2020-11-29 18:15:27,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59fea867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:27, skipping insertion in model container [2020-11-29 18:15:27,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:15:27" (1/1) ... [2020-11-29 18:15:27,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:15:27,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:15:28,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:15:28,955 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:15:29,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:15:29,766 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:15:29,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:29 WrapperNode [2020-11-29 18:15:29,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:15:29,769 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:15:29,769 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:15:29,769 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:15:29,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:29" (1/1) ... [2020-11-29 18:15:29,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:29" (1/1) ... [2020-11-29 18:15:30,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:15:30,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:15:30,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:15:30,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:15:30,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:29" (1/1) ... [2020-11-29 18:15:30,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:29" (1/1) ... [2020-11-29 18:15:30,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:29" (1/1) ... [2020-11-29 18:15:30,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:29" (1/1) ... [2020-11-29 18:15:30,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:29" (1/1) ... [2020-11-29 18:15:30,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:29" (1/1) ... [2020-11-29 18:15:30,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:29" (1/1) ... [2020-11-29 18:15:30,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:15:30,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:15:30,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:15:30,269 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:15:30,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/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 [2020-11-29 18:15:30,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 18:15:30,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-11-29 18:15:30,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 18:15:30,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 18:15:30,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-29 18:15:30,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:15:30,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:15:30,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-11-29 18:15:30,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:15:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-29 18:15:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-29 18:15:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 18:15:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:15:37,093 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:15:37,094 INFO L298 CfgBuilder]: Removed 745 assume(true) statements. [2020-11-29 18:15:37,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:15:37 BoogieIcfgContainer [2020-11-29 18:15:37,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:15:37,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:15:37,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:15:37,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:15:37,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:15:27" (1/3) ... [2020-11-29 18:15:37,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f22f0c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:15:37, skipping insertion in model container [2020-11-29 18:15:37,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:29" (2/3) ... [2020-11-29 18:15:37,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f22f0c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:15:37, skipping insertion in model container [2020-11-29 18:15:37,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:15:37" (3/3) ... [2020-11-29 18:15:37,108 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2020-11-29 18:15:37,121 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:15:37,128 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 62 error locations. [2020-11-29 18:15:37,143 INFO L253 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2020-11-29 18:15:37,180 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:15:37,180 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 18:15:37,180 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:15:37,180 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:15:37,181 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:15:37,181 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:15:37,181 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:15:37,181 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:15:37,236 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states. [2020-11-29 18:15:37,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 18:15:37,246 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:15:37,247 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:15:37,248 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:15:37,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:15:37,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1570735153, now seen corresponding path program 1 times [2020-11-29 18:15:37,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:15:37,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057100145] [2020-11-29 18:15:37,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:15:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:15:37,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:15:37,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057100145] [2020-11-29 18:15:37,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:15:37,862 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:15:37,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511046115] [2020-11-29 18:15:37,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 18:15:37,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:15:37,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 18:15:37,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 18:15:37,888 INFO L87 Difference]: Start difference. First operand 667 states. Second operand 2 states. [2020-11-29 18:15:38,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:15:38,014 INFO L93 Difference]: Finished difference Result 1267 states and 1603 transitions. [2020-11-29 18:15:38,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 18:15:38,016 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-29 18:15:38,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:15:38,047 INFO L225 Difference]: With dead ends: 1267 [2020-11-29 18:15:38,047 INFO L226 Difference]: Without dead ends: 593 [2020-11-29 18:15:38,067 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 18:15:38,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-11-29 18:15:38,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 593. [2020-11-29 18:15:38,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2020-11-29 18:15:38,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 688 transitions. [2020-11-29 18:15:38,178 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 688 transitions. Word has length 11 [2020-11-29 18:15:38,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:15:38,178 INFO L481 AbstractCegarLoop]: Abstraction has 593 states and 688 transitions. [2020-11-29 18:15:38,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 18:15:38,179 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 688 transitions. [2020-11-29 18:15:38,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 18:15:38,180 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:15:38,180 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:15:38,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 18:15:38,181 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:15:38,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:15:38,183 INFO L82 PathProgramCache]: Analyzing trace with hash 857304725, now seen corresponding path program 1 times [2020-11-29 18:15:38,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:15:38,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808842878] [2020-11-29 18:15:38,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:15:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:15:38,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:15:38,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808842878] [2020-11-29 18:15:38,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:15:38,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:15:38,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312470532] [2020-11-29 18:15:38,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:15:38,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:15:38,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:15:38,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:15:38,433 INFO L87 Difference]: Start difference. First operand 593 states and 688 transitions. Second operand 3 states. [2020-11-29 18:15:38,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:15:38,513 INFO L93 Difference]: Finished difference Result 1185 states and 1376 transitions. [2020-11-29 18:15:38,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:15:38,514 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-11-29 18:15:38,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:15:38,521 INFO L225 Difference]: With dead ends: 1185 [2020-11-29 18:15:38,522 INFO L226 Difference]: Without dead ends: 597 [2020-11-29 18:15:38,524 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:15:38,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2020-11-29 18:15:38,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 595. [2020-11-29 18:15:38,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 595 states. [2020-11-29 18:15:38,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 690 transitions. [2020-11-29 18:15:38,573 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 690 transitions. Word has length 11 [2020-11-29 18:15:38,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:15:38,574 INFO L481 AbstractCegarLoop]: Abstraction has 595 states and 690 transitions. [2020-11-29 18:15:38,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:15:38,575 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 690 transitions. [2020-11-29 18:15:38,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 18:15:38,576 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:15:38,576 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:15:38,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 18:15:38,577 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:15:38,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:15:38,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1488032985, now seen corresponding path program 1 times [2020-11-29 18:15:38,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:15:38,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914200577] [2020-11-29 18:15:38,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:15:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:15:38,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 18:15:38,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914200577] [2020-11-29 18:15:38,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981004465] [2020-11-29 18:15:38,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/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 [2020-11-29 18:15:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:15:39,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 18:15:39,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:15:39,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 18:15:39,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:15:39,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-11-29 18:15:39,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615644095] [2020-11-29 18:15:39,517 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 18:15:39,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:15:39,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 18:15:39,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:15:39,518 INFO L87 Difference]: Start difference. First operand 595 states and 690 transitions. Second operand 5 states. [2020-11-29 18:15:39,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:15:39,624 INFO L93 Difference]: Finished difference Result 1188 states and 1378 transitions. [2020-11-29 18:15:39,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:15:39,627 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-11-29 18:15:39,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:15:39,632 INFO L225 Difference]: With dead ends: 1188 [2020-11-29 18:15:39,632 INFO L226 Difference]: Without dead ends: 599 [2020-11-29 18:15:39,634 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:15:39,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2020-11-29 18:15:39,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 597. [2020-11-29 18:15:39,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2020-11-29 18:15:39,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 692 transitions. [2020-11-29 18:15:39,665 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 692 transitions. Word has length 15 [2020-11-29 18:15:39,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:15:39,666 INFO L481 AbstractCegarLoop]: Abstraction has 597 states and 692 transitions. [2020-11-29 18:15:39,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 18:15:39,666 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 692 transitions. [2020-11-29 18:15:39,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 18:15:39,668 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:15:39,669 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:15:39,884 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-29 18:15:39,885 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:15:39,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:15:39,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1978982629, now seen corresponding path program 2 times [2020-11-29 18:15:39,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:15:39,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150411852] [2020-11-29 18:15:39,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:15:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:15:40,110 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 18:15:40,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150411852] [2020-11-29 18:15:40,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122713418] [2020-11-29 18:15:40,110 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/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 [2020-11-29 18:15:44,477 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-29 18:15:44,477 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 18:15:44,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 18:15:44,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:15:44,538 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 18:15:44,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:15:44,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-11-29 18:15:44,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877035881] [2020-11-29 18:15:44,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 18:15:44,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:15:44,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 18:15:44,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:15:44,543 INFO L87 Difference]: Start difference. First operand 597 states and 692 transitions. Second operand 6 states. [2020-11-29 18:15:44,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:15:44,625 INFO L93 Difference]: Finished difference Result 1190 states and 1380 transitions. [2020-11-29 18:15:44,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 18:15:44,626 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-11-29 18:15:44,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:15:44,631 INFO L225 Difference]: With dead ends: 1190 [2020-11-29 18:15:44,631 INFO L226 Difference]: Without dead ends: 601 [2020-11-29 18:15:44,634 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:15:44,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2020-11-29 18:15:44,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 599. [2020-11-29 18:15:44,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2020-11-29 18:15:44,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 694 transitions. [2020-11-29 18:15:44,653 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 694 transitions. Word has length 17 [2020-11-29 18:15:44,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:15:44,653 INFO L481 AbstractCegarLoop]: Abstraction has 599 states and 694 transitions. [2020-11-29 18:15:44,653 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 18:15:44,653 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 694 transitions. [2020-11-29 18:15:44,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 18:15:44,654 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:15:44,654 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:15:44,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:15:44,877 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:15:44,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:15:44,877 INFO L82 PathProgramCache]: Analyzing trace with hash -886365987, now seen corresponding path program 3 times [2020-11-29 18:15:44,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:15:44,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874076656] [2020-11-29 18:15:44,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:15:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:15:45,051 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 18:15:45,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874076656] [2020-11-29 18:15:45,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680909738] [2020-11-29 18:15:45,052 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:15:57,726 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-11-29 18:15:57,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 18:15:57,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 18:15:57,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:15:57,913 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 18:15:57,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:15:57,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-11-29 18:15:57,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091784222] [2020-11-29 18:15:57,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 18:15:57,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:15:57,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 18:15:57,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-29 18:15:57,915 INFO L87 Difference]: Start difference. First operand 599 states and 694 transitions. Second operand 7 states. [2020-11-29 18:15:58,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:15:58,000 INFO L93 Difference]: Finished difference Result 1192 states and 1382 transitions. [2020-11-29 18:15:58,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 18:15:58,001 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-11-29 18:15:58,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:15:58,005 INFO L225 Difference]: With dead ends: 1192 [2020-11-29 18:15:58,005 INFO L226 Difference]: Without dead ends: 603 [2020-11-29 18:15:58,007 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-29 18:15:58,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2020-11-29 18:15:58,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 601. [2020-11-29 18:15:58,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2020-11-29 18:15:58,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 696 transitions. [2020-11-29 18:15:58,025 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 696 transitions. Word has length 19 [2020-11-29 18:15:58,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:15:58,029 INFO L481 AbstractCegarLoop]: Abstraction has 601 states and 696 transitions. [2020-11-29 18:15:58,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 18:15:58,030 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 696 transitions. [2020-11-29 18:15:58,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 18:15:58,031 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:15:58,031 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:15:58,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:15:58,254 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:15:58,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:15:58,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1146206751, now seen corresponding path program 4 times [2020-11-29 18:15:58,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:15:58,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101751839] [2020-11-29 18:15:58,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:15:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:15:58,451 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 18:15:58,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101751839] [2020-11-29 18:15:58,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142155969] [2020-11-29 18:15:58,451 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:15:58,728 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-11-29 18:15:58,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 18:15:58,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 18:15:58,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:15:58,766 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 18:15:58,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:15:58,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2020-11-29 18:15:58,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711214942] [2020-11-29 18:15:58,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-29 18:15:58,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:15:58,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 18:15:58,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-11-29 18:15:58,768 INFO L87 Difference]: Start difference. First operand 601 states and 696 transitions. Second operand 8 states. [2020-11-29 18:15:58,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:15:58,856 INFO L93 Difference]: Finished difference Result 1194 states and 1384 transitions. [2020-11-29 18:15:58,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 18:15:58,856 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2020-11-29 18:15:58,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:15:58,860 INFO L225 Difference]: With dead ends: 1194 [2020-11-29 18:15:58,860 INFO L226 Difference]: Without dead ends: 605 [2020-11-29 18:15:58,861 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-11-29 18:15:58,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2020-11-29 18:15:58,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 603. [2020-11-29 18:15:58,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 603 states. [2020-11-29 18:15:58,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 698 transitions. [2020-11-29 18:15:58,878 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 698 transitions. Word has length 21 [2020-11-29 18:15:58,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:15:58,878 INFO L481 AbstractCegarLoop]: Abstraction has 603 states and 698 transitions. [2020-11-29 18:15:58,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-29 18:15:58,879 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 698 transitions. [2020-11-29 18:15:58,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 18:15:58,879 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:15:58,880 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:15:59,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:15:59,105 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:15:59,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:15:59,105 INFO L82 PathProgramCache]: Analyzing trace with hash 238488289, now seen corresponding path program 5 times [2020-11-29 18:15:59,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:15:59,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396362931] [2020-11-29 18:15:59,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:15:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:15:59,294 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 18:15:59,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396362931] [2020-11-29 18:15:59,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758248105] [2020-11-29 18:15:59,295 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:15:59,824 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2020-11-29 18:15:59,824 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 18:15:59,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 18:15:59,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:15:59,894 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 18:15:59,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:15:59,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2020-11-29 18:15:59,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766868499] [2020-11-29 18:15:59,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-29 18:15:59,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:15:59,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-29 18:15:59,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-11-29 18:15:59,896 INFO L87 Difference]: Start difference. First operand 603 states and 698 transitions. Second operand 9 states. [2020-11-29 18:16:00,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:16:00,000 INFO L93 Difference]: Finished difference Result 1196 states and 1386 transitions. [2020-11-29 18:16:00,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 18:16:00,001 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-11-29 18:16:00,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:16:00,004 INFO L225 Difference]: With dead ends: 1196 [2020-11-29 18:16:00,004 INFO L226 Difference]: Without dead ends: 607 [2020-11-29 18:16:00,006 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-11-29 18:16:00,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2020-11-29 18:16:00,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 605. [2020-11-29 18:16:00,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 605 states. [2020-11-29 18:16:00,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 700 transitions. [2020-11-29 18:16:00,025 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 700 transitions. Word has length 23 [2020-11-29 18:16:00,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:16:00,025 INFO L481 AbstractCegarLoop]: Abstraction has 605 states and 700 transitions. [2020-11-29 18:16:00,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-29 18:16:00,025 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 700 transitions. [2020-11-29 18:16:00,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 18:16:00,026 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:16:00,026 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:16:00,236 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-11-29 18:16:00,237 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:16:00,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:16:00,239 INFO L82 PathProgramCache]: Analyzing trace with hash -200592605, now seen corresponding path program 6 times [2020-11-29 18:16:00,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:16:00,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003535838] [2020-11-29 18:16:00,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:16:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:16:00,426 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 18:16:00,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003535838] [2020-11-29 18:16:00,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158390406] [2020-11-29 18:16:00,426 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:16:20,554 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2020-11-29 18:16:20,554 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 18:16:20,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-29 18:16:20,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:16:20,877 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 18:16:20,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:16:20,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2020-11-29 18:16:20,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711677419] [2020-11-29 18:16:20,878 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-29 18:16:20,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:16:20,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-29 18:16:20,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-11-29 18:16:20,879 INFO L87 Difference]: Start difference. First operand 605 states and 700 transitions. Second operand 10 states. [2020-11-29 18:16:20,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:16:20,976 INFO L93 Difference]: Finished difference Result 1198 states and 1388 transitions. [2020-11-29 18:16:20,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-29 18:16:20,976 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 25 [2020-11-29 18:16:20,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:16:20,980 INFO L225 Difference]: With dead ends: 1198 [2020-11-29 18:16:20,980 INFO L226 Difference]: Without dead ends: 609 [2020-11-29 18:16:20,981 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-11-29 18:16:20,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2020-11-29 18:16:20,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 607. [2020-11-29 18:16:20,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states. [2020-11-29 18:16:20,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 702 transitions. [2020-11-29 18:16:21,000 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 702 transitions. Word has length 25 [2020-11-29 18:16:21,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:16:21,000 INFO L481 AbstractCegarLoop]: Abstraction has 607 states and 702 transitions. [2020-11-29 18:16:21,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-29 18:16:21,001 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 702 transitions. [2020-11-29 18:16:21,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 18:16:21,001 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:16:21,001 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:16:21,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:16:21,220 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:16:21,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:16:21,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1250536731, now seen corresponding path program 7 times [2020-11-29 18:16:21,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:16:21,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351609735] [2020-11-29 18:16:21,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:16:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:16:21,379 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 18:16:21,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351609735] [2020-11-29 18:16:21,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9007178] [2020-11-29 18:16:21,379 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:16:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:16:21,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-29 18:16:21,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:16:21,815 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 18:16:21,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:16:21,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2020-11-29 18:16:21,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456791675] [2020-11-29 18:16:21,816 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-29 18:16:21,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:16:21,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-29 18:16:21,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-11-29 18:16:21,817 INFO L87 Difference]: Start difference. First operand 607 states and 702 transitions. Second operand 11 states. [2020-11-29 18:16:22,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:16:22,007 INFO L93 Difference]: Finished difference Result 1200 states and 1390 transitions. [2020-11-29 18:16:22,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-29 18:16:22,008 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 27 [2020-11-29 18:16:22,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:16:22,012 INFO L225 Difference]: With dead ends: 1200 [2020-11-29 18:16:22,012 INFO L226 Difference]: Without dead ends: 611 [2020-11-29 18:16:22,015 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-11-29 18:16:22,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2020-11-29 18:16:22,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 609. [2020-11-29 18:16:22,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609 states. [2020-11-29 18:16:22,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 704 transitions. [2020-11-29 18:16:22,035 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 704 transitions. Word has length 27 [2020-11-29 18:16:22,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:16:22,037 INFO L481 AbstractCegarLoop]: Abstraction has 609 states and 704 transitions. [2020-11-29 18:16:22,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-29 18:16:22,037 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 704 transitions. [2020-11-29 18:16:22,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 18:16:22,040 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:16:22,040 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:16:22,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:16:22,256 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:16:22,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:16:22,257 INFO L82 PathProgramCache]: Analyzing trace with hash -929527257, now seen corresponding path program 8 times [2020-11-29 18:16:22,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:16:22,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615395632] [2020-11-29 18:16:22,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:16:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:16:22,466 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 18:16:22,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615395632] [2020-11-29 18:16:22,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457938338] [2020-11-29 18:16:22,466 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:16:26,383 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-29 18:16:26,383 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 18:16:26,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-29 18:16:26,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:16:26,454 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 18:16:26,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:16:26,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2020-11-29 18:16:26,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607748072] [2020-11-29 18:16:26,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-29 18:16:26,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:16:26,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-29 18:16:26,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2020-11-29 18:16:26,457 INFO L87 Difference]: Start difference. First operand 609 states and 704 transitions. Second operand 12 states. [2020-11-29 18:16:26,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:16:26,601 INFO L93 Difference]: Finished difference Result 1202 states and 1392 transitions. [2020-11-29 18:16:26,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-29 18:16:26,601 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2020-11-29 18:16:26,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:16:26,605 INFO L225 Difference]: With dead ends: 1202 [2020-11-29 18:16:26,605 INFO L226 Difference]: Without dead ends: 613 [2020-11-29 18:16:26,610 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2020-11-29 18:16:26,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2020-11-29 18:16:26,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 611. [2020-11-29 18:16:26,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2020-11-29 18:16:26,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 706 transitions. [2020-11-29 18:16:26,627 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 706 transitions. Word has length 29 [2020-11-29 18:16:26,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:16:26,627 INFO L481 AbstractCegarLoop]: Abstraction has 611 states and 706 transitions. [2020-11-29 18:16:26,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-29 18:16:26,628 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 706 transitions. [2020-11-29 18:16:26,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-29 18:16:26,631 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:16:26,631 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:16:26,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-29 18:16:26,856 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:16:26,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:16:26,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1677068055, now seen corresponding path program 9 times [2020-11-29 18:16:26,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:16:26,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855101] [2020-11-29 18:16:26,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:16:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:16:27,163 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 18:16:27,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855101] [2020-11-29 18:16:27,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997468058] [2020-11-29 18:16:27,163 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:17:21,874 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2020-11-29 18:17:21,874 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 18:17:22,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 18:17:22,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:17:22,922 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 18:17:22,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:17:22,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2020-11-29 18:17:22,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756111071] [2020-11-29 18:17:22,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-29 18:17:22,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:17:22,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-29 18:17:22,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2020-11-29 18:17:22,925 INFO L87 Difference]: Start difference. First operand 611 states and 706 transitions. Second operand 13 states. [2020-11-29 18:17:23,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:17:23,042 INFO L93 Difference]: Finished difference Result 1203 states and 1393 transitions. [2020-11-29 18:17:23,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-29 18:17:23,043 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 31 [2020-11-29 18:17:23,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:17:23,047 INFO L225 Difference]: With dead ends: 1203 [2020-11-29 18:17:23,047 INFO L226 Difference]: Without dead ends: 614 [2020-11-29 18:17:23,049 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2020-11-29 18:17:23,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2020-11-29 18:17:23,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 613. [2020-11-29 18:17:23,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2020-11-29 18:17:23,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 708 transitions. [2020-11-29 18:17:23,068 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 708 transitions. Word has length 31 [2020-11-29 18:17:23,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:17:23,068 INFO L481 AbstractCegarLoop]: Abstraction has 613 states and 708 transitions. [2020-11-29 18:17:23,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-29 18:17:23,068 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 708 transitions. [2020-11-29 18:17:23,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 18:17:23,069 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:17:23,069 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:17:23,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:17:23,293 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:17:23,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:17:23,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1490730795, now seen corresponding path program 10 times [2020-11-29 18:17:23,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:17:23,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182574186] [2020-11-29 18:17:23,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:17:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:17:23,752 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:17:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:17:24,083 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:17:24,171 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:17:24,171 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 18:17:24,171 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 18:17:24,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:17:24 BoogieIcfgContainer [2020-11-29 18:17:24,389 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 18:17:24,390 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:17:24,390 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:17:24,391 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:17:24,391 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:15:37" (3/4) ... [2020-11-29 18:17:24,395 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 18:17:24,395 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:17:24,401 INFO L168 Benchmark]: Toolchain (without parser) took 117096.24 ms. Allocated memory was 88.1 MB in the beginning and 306.2 MB in the end (delta: 218.1 MB). Free memory was 53.0 MB in the beginning and 126.1 MB in the end (delta: -73.0 MB). Peak memory consumption was 145.7 MB. Max. memory is 16.1 GB. [2020-11-29 18:17:24,401 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 88.1 MB. Free memory is still 48.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:17:24,402 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2466.66 ms. Allocated memory was 88.1 MB in the beginning and 157.3 MB in the end (delta: 69.2 MB). Free memory was 52.9 MB in the beginning and 105.7 MB in the end (delta: -52.8 MB). Peak memory consumption was 65.8 MB. Max. memory is 16.1 GB. [2020-11-29 18:17:24,403 INFO L168 Benchmark]: Boogie Procedure Inliner took 261.47 ms. Allocated memory is still 157.3 MB. Free memory was 105.7 MB in the beginning and 90.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 18:17:24,403 INFO L168 Benchmark]: Boogie Preprocessor took 235.72 ms. Allocated memory is still 157.3 MB. Free memory was 90.0 MB in the beginning and 78.1 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 18:17:24,409 INFO L168 Benchmark]: RCFGBuilder took 6830.20 ms. Allocated memory was 157.3 MB in the beginning and 239.1 MB in the end (delta: 81.8 MB). Free memory was 77.4 MB in the beginning and 92.9 MB in the end (delta: -15.5 MB). Peak memory consumption was 83.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:17:24,410 INFO L168 Benchmark]: TraceAbstraction took 107289.77 ms. Allocated memory was 239.1 MB in the beginning and 306.2 MB in the end (delta: 67.1 MB). Free memory was 91.9 MB in the beginning and 126.1 MB in the end (delta: -34.2 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. [2020-11-29 18:17:24,412 INFO L168 Benchmark]: Witness Printer took 4.92 ms. Allocated memory is still 306.2 MB. Free memory is still 126.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:17:24,415 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 88.1 MB. Free memory is still 48.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2466.66 ms. Allocated memory was 88.1 MB in the beginning and 157.3 MB in the end (delta: 69.2 MB). Free memory was 52.9 MB in the beginning and 105.7 MB in the end (delta: -52.8 MB). Peak memory consumption was 65.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 261.47 ms. Allocated memory is still 157.3 MB. Free memory was 105.7 MB in the beginning and 90.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 235.72 ms. Allocated memory is still 157.3 MB. Free memory was 90.0 MB in the beginning and 78.1 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 6830.20 ms. Allocated memory was 157.3 MB in the beginning and 239.1 MB in the end (delta: 81.8 MB). Free memory was 77.4 MB in the beginning and 92.9 MB in the end (delta: -15.5 MB). Peak memory consumption was 83.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 107289.77 ms. Allocated memory was 239.1 MB in the beginning and 306.2 MB in the end (delta: 67.1 MB). Free memory was 91.9 MB in the beginning and 126.1 MB in the end (delta: -34.2 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. * Witness Printer took 4.92 ms. Allocated memory is still 306.2 MB. Free memory is still 126.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 1486. Possible FailurePath: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1476] char _ddv_module_author[] = "Fernando Fuganti "; [L1477] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1478] char _ddv_module_license[] = "GPL"; [L1480] static int nowayout = 0; [L1481] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1485-L1489] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1490] static int action = 0; [L1491] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1493] static int zf_action = 0x0800; [L1494] static unsigned long zf_is_open; [L1495] static char zf_expect_close; [L1496] static spinlock_t zf_lock; [L1497] static spinlock_t zf_port_lock; [L1498] static struct timer_list zf_timer; [L1499] static unsigned long next_heartbeat = 0; [L1745-L1752] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1754-L1758] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1765-L1767] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1847] int (* _ddv_tmp_init)(void) = zf_init; [L1848] void (* _ddv_tmp_exit)(void) = zf_exit; [L1899] struct cdev fixed_cdev[1]; [L1900] int fixed_cdev_used = 0; [L1902] short number_cdev_registered = 0; [L1913] struct ddv_cdev cdev_registered[1]; [L2450] short number_genhd_registered = 0; [L2451] short number_fixed_genhd_used = 0; [L2462] struct gendisk fixed_gendisk[10]; [L2463] struct ddv_genhd genhd_registered[10]; [L2613] struct ddv_pci_driver registered_pci_driver; [L2624] struct registered_irq registered_irq[16]; [L2634] short number_tasklet_registered = 0; [L2641] struct ddv_tasklet tasklet_registered[1]; [L2651] short number_timer_registered = 0; [L2657] struct ddv_timer timer_registered[1]; [L2667] struct work_struct *shared_workqueue[10]; [L2677] spinlock_t kernel_lock; [L3363] request_queue_t fixed_request_queue[10]; [L3365] int number_request_queue_used = 0; [L3449] struct proc_dir_entry *proc_root_driver; [L3759] struct ddv_tty_driver global_tty_driver; [L3938] int ddv_ioport_request_start; [L3939] int ddv_ioport_request_len; VAL [={-1:7}, ={-1:8}, ={0:0}, ={0:0}, action=0, cdev_registered={55:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L1852] _ddv_module_init = zf_init [L1853] _ddv_module_exit = zf_exit [L2741] int err; [L2743] current_execution_context = 1 [L2681] int i; [L4198] lock->init = 1 [L4199] lock->locked = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L2685] i = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L2685] COND FALSE !(i < 10) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L2689] i = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L2689] COND TRUE i < 1 [L2690] tasklet_registered[i].tasklet = ((void *)0) [L2691] tasklet_registered[i].is_running = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L2689] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L2689] COND FALSE !(i < 1) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L1778] int ret; [L4525] return 0; VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L12] COND TRUE !expression VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] [L3] __assert_fail("0", "ddv_machzwd_all.i", 3, "reach_error") VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={55:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={59:0}, fixed_cdev_used=0, fixed_gendisk={50:0}, fixed_request_queue={47:0}, genhd_registered={108:0}, global_tty_driver={72:0}, jiffies=0, kernel_lock={70:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={94:0}, registered_pci_driver={115:0}, shared_workqueue={52:0}, tasklet_registered={89:0}, timer_registered={61:0}, zf_action=2048, zf_expect_close=0, zf_fops={79:0}, zf_info={51:0}, zf_is_open={96:0}, zf_lock={91:0}, zf_miscdev={106:0}, zf_notifier={99:0}, zf_port_lock={101:0}, zf_timer={68:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 667 locations, 62 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 106.9s, OverallIterations: 12, TraceHistogramMax: 10, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7532 SDtfs, 7548 SDslu, 9540 SDs, 0 SdLazy, 300 SolverSat, 62 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 275 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=667occurred 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: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 19 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 96.6s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 469 NumberOfCodeBlocks, 466 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 416 ConstructedInterpolants, 0 QuantifiedInterpolants, 19084 SizeOfPredicates, 9 NumberOfNonLiveVariables, 5813 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 18/588 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:17:27,240 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-11-29 18:17:27,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:17:27,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:17:27,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:17:27,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:17:27,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:17:27,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:17:27,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:17:27,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:17:27,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:17:27,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:17:27,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:17:27,430 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 18:17:27,464 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:17:27,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:17:27,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:17:27,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:17:27,471 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:17:27,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:17:27,472 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:17:27,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:17:27,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:17:27,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:17:27,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:17:27,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:17:27,474 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 18:17:27,475 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 18:17:27,475 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:17:27,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:17:27,475 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:17:27,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:17:27,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:17:27,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:17:27,477 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:17:27,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:17:27,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:17:27,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:17:27,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:17:27,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:17:27,478 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 18:17:27,479 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 18:17:27,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:17:27,479 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:17:27,479 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 18:17:27,480 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31d31f19d6102d681e76882a8d8f65cc05410b48 [2020-11-29 18:17:27,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:17:27,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:17:27,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:17:27,984 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:17:27,985 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:17:27,986 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2020-11-29 18:17:28,071 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/data/89ab2e04c/d9ccac371336414bbb2ec3f2e829e7a5/FLAG5a37e5354 [2020-11-29 18:17:29,004 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:17:29,005 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2020-11-29 18:17:29,045 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/data/89ab2e04c/d9ccac371336414bbb2ec3f2e829e7a5/FLAG5a37e5354 [2020-11-29 18:17:29,065 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/data/89ab2e04c/d9ccac371336414bbb2ec3f2e829e7a5 [2020-11-29 18:17:29,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:17:29,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:17:29,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:17:29,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:17:29,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:17:29,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:17:29" (1/1) ... [2020-11-29 18:17:29,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6908ad1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:29, skipping insertion in model container [2020-11-29 18:17:29,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:17:29" (1/1) ... [2020-11-29 18:17:29,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:17:29,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:17:30,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:17:30,647 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:17:30,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:17:31,664 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:17:31,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:31 WrapperNode [2020-11-29 18:17:31,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:17:31,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:17:31,669 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:17:31,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:17:31,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:31" (1/1) ... [2020-11-29 18:17:31,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:31" (1/1) ... [2020-11-29 18:17:31,974 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:17:31,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:17:31,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:17:31,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:17:31,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:31" (1/1) ... [2020-11-29 18:17:31,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:31" (1/1) ... [2020-11-29 18:17:32,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:31" (1/1) ... [2020-11-29 18:17:32,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:31" (1/1) ... [2020-11-29 18:17:32,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:31" (1/1) ... [2020-11-29 18:17:32,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:31" (1/1) ... [2020-11-29 18:17:32,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:31" (1/1) ... [2020-11-29 18:17:32,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:17:32,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:17:32,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:17:32,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:17:32,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/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 [2020-11-29 18:17:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 18:17:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2020-11-29 18:17:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 18:17:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-11-29 18:17:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 18:17:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-29 18:17:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:17:32,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:17:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2020-11-29 18:17:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 18:17:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2020-11-29 18:17:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-11-29 18:17:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:17:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-29 18:17:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2020-11-29 18:17:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-11-29 18:17:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2020-11-29 18:17:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 18:17:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-29 18:17:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-11-29 18:17:41,906 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:17:41,906 INFO L298 CfgBuilder]: Removed 745 assume(true) statements. [2020-11-29 18:17:41,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:17:41 BoogieIcfgContainer [2020-11-29 18:17:41,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:17:41,911 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:17:41,912 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:17:41,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:17:41,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:17:29" (1/3) ... [2020-11-29 18:17:41,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a3b0df5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:17:41, skipping insertion in model container [2020-11-29 18:17:41,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:31" (2/3) ... [2020-11-29 18:17:41,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a3b0df5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:17:41, skipping insertion in model container [2020-11-29 18:17:41,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:17:41" (3/3) ... [2020-11-29 18:17:41,918 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2020-11-29 18:17:41,928 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:17:41,933 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 62 error locations. [2020-11-29 18:17:41,945 INFO L253 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2020-11-29 18:17:41,973 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:17:41,974 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 18:17:41,974 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:17:41,974 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:17:41,974 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:17:41,974 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:17:41,974 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:17:41,975 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:17:42,022 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states. [2020-11-29 18:17:42,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 18:17:42,026 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:17:42,027 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:17:42,028 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:17:42,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:17:42,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1570735153, now seen corresponding path program 1 times [2020-11-29 18:17:42,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:17:42,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [324294098] [2020-11-29 18:17:42,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-29 18:17:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:17:42,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-29 18:17:42,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:17:42,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:17:42,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:17:42,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:17:42,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [324294098] [2020-11-29 18:17:42,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:17:42,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 18:17:42,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199021829] [2020-11-29 18:17:43,004 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 18:17:43,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:17:43,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 18:17:43,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 18:17:43,023 INFO L87 Difference]: Start difference. First operand 667 states. Second operand 2 states. [2020-11-29 18:17:43,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:17:43,120 INFO L93 Difference]: Finished difference Result 1267 states and 1603 transitions. [2020-11-29 18:17:43,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 18:17:43,122 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-29 18:17:43,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:17:43,156 INFO L225 Difference]: With dead ends: 1267 [2020-11-29 18:17:43,158 INFO L226 Difference]: Without dead ends: 593 [2020-11-29 18:17:43,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 18:17:43,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-11-29 18:17:43,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 593. [2020-11-29 18:17:43,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2020-11-29 18:17:43,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 688 transitions. [2020-11-29 18:17:43,308 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 688 transitions. Word has length 11 [2020-11-29 18:17:43,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:17:43,308 INFO L481 AbstractCegarLoop]: Abstraction has 593 states and 688 transitions. [2020-11-29 18:17:43,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 18:17:43,309 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 688 transitions. [2020-11-29 18:17:43,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 18:17:43,309 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:17:43,310 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:17:43,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 18:17:43,529 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:17:43,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:17:43,530 INFO L82 PathProgramCache]: Analyzing trace with hash 857304725, now seen corresponding path program 1 times [2020-11-29 18:17:43,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:17:43,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1238558363] [2020-11-29 18:17:43,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-29 18:17:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:17:44,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:17:44,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:17:44,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:17:44,504 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:17:44,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:17:44,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1238558363] [2020-11-29 18:17:44,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:17:44,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-29 18:17:44,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280395737] [2020-11-29 18:17:44,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:17:44,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:17:44,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:17:44,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:17:44,523 INFO L87 Difference]: Start difference. First operand 593 states and 688 transitions. Second operand 4 states. [2020-11-29 18:17:44,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:17:44,763 INFO L93 Difference]: Finished difference Result 1772 states and 2058 transitions. [2020-11-29 18:17:44,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 18:17:44,765 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-11-29 18:17:44,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:17:44,775 INFO L225 Difference]: With dead ends: 1772 [2020-11-29 18:17:44,778 INFO L226 Difference]: Without dead ends: 1184 [2020-11-29 18:17:44,782 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:17:44,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2020-11-29 18:17:44,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 597. [2020-11-29 18:17:44,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2020-11-29 18:17:44,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 692 transitions. [2020-11-29 18:17:44,830 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 692 transitions. Word has length 11 [2020-11-29 18:17:44,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:17:44,833 INFO L481 AbstractCegarLoop]: Abstraction has 597 states and 692 transitions. [2020-11-29 18:17:44,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:17:44,834 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 692 transitions. [2020-11-29 18:17:44,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 18:17:44,835 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:17:44,835 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:17:45,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 18:17:45,060 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:17:45,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:17:45,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1978982629, now seen corresponding path program 1 times [2020-11-29 18:17:45,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:17:45,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1251508389] [2020-11-29 18:17:45,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-29 18:17:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:17:46,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 18:17:46,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:17:46,095 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 18:17:46,095 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:17:46,179 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 18:17:46,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1251508389] [2020-11-29 18:17:46,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:17:46,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-11-29 18:17:46,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681930554] [2020-11-29 18:17:46,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-29 18:17:46,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:17:46,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 18:17:46,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-29 18:17:46,182 INFO L87 Difference]: Start difference. First operand 597 states and 692 transitions. Second operand 8 states. [2020-11-29 18:17:46,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:17:46,649 INFO L93 Difference]: Finished difference Result 1194 states and 1387 transitions. [2020-11-29 18:17:46,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 18:17:46,650 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2020-11-29 18:17:46,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:17:46,657 INFO L225 Difference]: With dead ends: 1194 [2020-11-29 18:17:46,658 INFO L226 Difference]: Without dead ends: 605 [2020-11-29 18:17:46,659 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2020-11-29 18:17:46,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2020-11-29 18:17:46,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 605. [2020-11-29 18:17:46,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 605 states. [2020-11-29 18:17:46,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 699 transitions. [2020-11-29 18:17:46,683 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 699 transitions. Word has length 17 [2020-11-29 18:17:46,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:17:46,684 INFO L481 AbstractCegarLoop]: Abstraction has 605 states and 699 transitions. [2020-11-29 18:17:46,684 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-29 18:17:46,684 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 699 transitions. [2020-11-29 18:17:46,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 18:17:46,685 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:17:46,685 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:17:46,900 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-29 18:17:46,904 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:17:46,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:17:46,905 INFO L82 PathProgramCache]: Analyzing trace with hash -200592605, now seen corresponding path program 2 times [2020-11-29 18:17:46,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:17:46,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1091015388] [2020-11-29 18:17:46,908 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-29 18:17:57,719 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-29 18:17:57,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 18:17:57,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-29 18:17:57,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:17:58,034 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 18:17:58,034 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:17:58,399 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 18:17:58,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1091015388] [2020-11-29 18:17:58,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:17:58,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2020-11-29 18:17:58,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689077717] [2020-11-29 18:17:58,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-29 18:17:58,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:17:58,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-29 18:17:58,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-11-29 18:17:58,402 INFO L87 Difference]: Start difference. First operand 605 states and 699 transitions. Second operand 16 states. [2020-11-29 18:17:59,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:17:59,332 INFO L93 Difference]: Finished difference Result 1202 states and 1393 transitions. [2020-11-29 18:17:59,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-29 18:17:59,333 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 25 [2020-11-29 18:17:59,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:17:59,339 INFO L225 Difference]: With dead ends: 1202 [2020-11-29 18:17:59,339 INFO L226 Difference]: Without dead ends: 613 [2020-11-29 18:17:59,341 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2020-11-29 18:17:59,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2020-11-29 18:17:59,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 613. [2020-11-29 18:17:59,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2020-11-29 18:17:59,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 707 transitions. [2020-11-29 18:17:59,365 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 707 transitions. Word has length 25 [2020-11-29 18:17:59,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:17:59,366 INFO L481 AbstractCegarLoop]: Abstraction has 613 states and 707 transitions. [2020-11-29 18:17:59,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-29 18:17:59,366 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 707 transitions. [2020-11-29 18:17:59,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 18:17:59,367 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:17:59,367 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:17:59,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-29 18:17:59,592 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:17:59,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:17:59,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1490730795, now seen corresponding path program 3 times [2020-11-29 18:17:59,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:17:59,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1148429423] [2020-11-29 18:17:59,594 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8910fc45-6d4a-451d-9cc8-48600e698689/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-29 18:18:13,812 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2020-11-29 18:18:13,812 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2020-11-29 18:18:13,812 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:18:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:18:28,846 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:18:29,448 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-29 18:18:29,448 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 18:18:29,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-29 18:18:29,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:18:29 BoogieIcfgContainer [2020-11-29 18:18:29,918 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 18:18:29,919 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:18:29,919 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:18:29,919 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:18:29,920 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:17:41" (3/4) ... [2020-11-29 18:18:29,924 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 18:18:29,924 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:18:29,927 INFO L168 Benchmark]: Toolchain (without parser) took 60853.98 ms. Allocated memory was 54.5 MB in the beginning and 379.6 MB in the end (delta: 325.1 MB). Free memory was 27.6 MB in the beginning and 152.4 MB in the end (delta: -124.8 MB). Peak memory consumption was 199.7 MB. Max. memory is 16.1 GB. [2020-11-29 18:18:29,927 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 54.5 MB. Free memory was 36.6 MB in the beginning and 36.5 MB in the end (delta: 37.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:18:29,928 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2592.39 ms. Allocated memory was 54.5 MB in the beginning and 90.2 MB in the end (delta: 35.7 MB). Free memory was 27.4 MB in the beginning and 33.0 MB in the end (delta: -5.5 MB). Peak memory consumption was 39.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:18:29,929 INFO L168 Benchmark]: Boogie Procedure Inliner took 305.71 ms. Allocated memory is still 90.2 MB. Free memory was 33.0 MB in the beginning and 50.4 MB in the end (delta: -17.5 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2020-11-29 18:18:29,930 INFO L168 Benchmark]: Boogie Preprocessor took 205.80 ms. Allocated memory is still 90.2 MB. Free memory was 50.4 MB in the beginning and 37.7 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 18:18:29,931 INFO L168 Benchmark]: RCFGBuilder took 9727.39 ms. Allocated memory was 90.2 MB in the beginning and 268.4 MB in the end (delta: 178.3 MB). Free memory was 37.7 MB in the beginning and 155.5 MB in the end (delta: -117.7 MB). Peak memory consumption was 146.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:18:29,932 INFO L168 Benchmark]: TraceAbstraction took 48007.52 ms. Allocated memory was 268.4 MB in the beginning and 379.6 MB in the end (delta: 111.1 MB). Free memory was 154.4 MB in the beginning and 152.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 113.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:18:29,932 INFO L168 Benchmark]: Witness Printer took 5.28 ms. Allocated memory is still 379.6 MB. Free memory is still 152.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:18:29,936 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 54.5 MB. Free memory was 36.6 MB in the beginning and 36.5 MB in the end (delta: 37.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2592.39 ms. Allocated memory was 54.5 MB in the beginning and 90.2 MB in the end (delta: 35.7 MB). Free memory was 27.4 MB in the beginning and 33.0 MB in the end (delta: -5.5 MB). Peak memory consumption was 39.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 305.71 ms. Allocated memory is still 90.2 MB. Free memory was 33.0 MB in the beginning and 50.4 MB in the end (delta: -17.5 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 205.80 ms. Allocated memory is still 90.2 MB. Free memory was 50.4 MB in the beginning and 37.7 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 9727.39 ms. Allocated memory was 90.2 MB in the beginning and 268.4 MB in the end (delta: 178.3 MB). Free memory was 37.7 MB in the beginning and 155.5 MB in the end (delta: -117.7 MB). Peak memory consumption was 146.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 48007.52 ms. Allocated memory was 268.4 MB in the beginning and 379.6 MB in the end (delta: 111.1 MB). Free memory was 154.4 MB in the beginning and 152.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 113.1 MB. Max. memory is 16.1 GB. * Witness Printer took 5.28 ms. Allocated memory is still 379.6 MB. Free memory is still 152.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 1476. Possible FailurePath: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1476] char _ddv_module_author[] = "Fernando Fuganti "; [L1477] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1478] char _ddv_module_license[] = "GPL"; [L1480] static int nowayout = 0; [L1481] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1485-L1489] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1490] static int action = 0; [L1491] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1493] static int zf_action = 0x0800; [L1494] static unsigned long zf_is_open; [L1495] static char zf_expect_close; [L1496] static spinlock_t zf_lock; [L1497] static spinlock_t zf_port_lock; [L1498] static struct timer_list zf_timer; [L1499] static unsigned long next_heartbeat = 0; [L1745-L1752] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1754-L1758] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1765-L1767] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1847] int (* _ddv_tmp_init)(void) = zf_init; [L1848] void (* _ddv_tmp_exit)(void) = zf_exit; [L1899] struct cdev fixed_cdev[1]; [L1900] int fixed_cdev_used = 0; [L1902] short number_cdev_registered = 0; [L1913] struct ddv_cdev cdev_registered[1]; [L2450] short number_genhd_registered = 0; [L2451] short number_fixed_genhd_used = 0; [L2462] struct gendisk fixed_gendisk[10]; [L2463] struct ddv_genhd genhd_registered[10]; [L2613] struct ddv_pci_driver registered_pci_driver; [L2624] struct registered_irq registered_irq[16]; [L2634] short number_tasklet_registered = 0; [L2641] struct ddv_tasklet tasklet_registered[1]; [L2651] short number_timer_registered = 0; [L2657] struct ddv_timer timer_registered[1]; [L2667] struct work_struct *shared_workqueue[10]; [L2677] spinlock_t kernel_lock; [L3363] request_queue_t fixed_request_queue[10]; [L3365] int number_request_queue_used = 0; [L3449] struct proc_dir_entry *proc_root_driver; [L3759] struct ddv_tty_driver global_tty_driver; [L3938] int ddv_ioport_request_start; [L3939] int ddv_ioport_request_len; VAL [={-1:8}, ={0:0}, ={0:0}, ={-1:7}, action=0, cdev_registered={74:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L1852] _ddv_module_init = zf_init [L1853] _ddv_module_exit = zf_exit [L2741] int err; [L2743] current_execution_context = 1 [L2681] int i; [L4198] lock->init = 1 [L4199] lock->locked = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L2685] i = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L2685] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L2685] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L2685] COND FALSE !(i < 10) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L2689] i = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L2689] COND TRUE i < 1 [L2690] tasklet_registered[i].tasklet = ((void *)0) [L2691] tasklet_registered[i].is_running = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L2689] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L2689] COND FALSE !(i < 1) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L1778] int ret; [L4525] return 0; VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L12] COND TRUE !expression VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] [L3] __assert_fail("0", "ddv_machzwd_all.i", 3, "reach_error") VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={74:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2147483645:0}, fixed_cdev_used=0, fixed_gendisk={3:0}, fixed_request_queue={41975815:0}, genhd_registered={-1073741821:0}, global_tty_driver={64:0}, jiffies=0, kernel_lock={-1073733560:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1073741757:0}, registered_pci_driver={536872995:0}, shared_workqueue={41975812:0}, tasklet_registered={-2147483634:0}, timer_registered={1073741891:0}, zf_action=2048, zf_expect_close=0, zf_fops={291:0}, zf_info={-1073742115:0}, zf_is_open={67:0}, zf_lock={2:0}, zf_miscdev={43:0}, zf_notifier={82:0}, zf_port_lock={10:0}, zf_timer={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 667 locations, 62 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 47.7s, OverallIterations: 5, TraceHistogramMax: 10, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2750 SDtfs, 5463 SDslu, 6793 SDs, 0 SdLazy, 217 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=667occurred 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 587 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 25.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 4376 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1700 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 4/84 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...