./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN --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 64bit --witnessprinter.graph.data.programhash f51fd7a7e803b337407ebecb084bc416ae9c8b7a3d33ff72a0e0702d21471e83 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:37:50,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:37:50,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:37:50,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:37:50,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:37:50,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:37:50,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:37:50,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:37:50,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:37:50,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:37:50,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:37:50,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:37:50,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:37:50,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:37:50,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:37:50,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:37:50,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:37:50,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:37:50,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:37:50,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:37:50,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:37:50,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:37:50,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:37:50,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:37:50,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:37:50,183 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:37:50,184 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:37:50,185 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:37:50,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:37:50,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:37:50,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:37:50,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:37:50,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:37:50,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:37:50,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:37:50,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:37:50,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:37:50,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:37:50,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:37:50,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:37:50,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:37:50,195 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 11:37:50,217 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:37:50,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:37:50,218 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:37:50,218 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:37:50,219 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:37:50,219 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:37:50,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:37:50,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:37:50,220 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:37:50,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:37:50,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:37:50,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:37:50,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:37:50,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:37:50,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:37:50,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:37:50,221 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:37:50,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:37:50,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:37:50,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:37:50,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:37:50,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:37:50,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:37:50,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:37:50,223 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:37:50,223 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:37:50,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:37:50,224 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:37:50,224 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:37:50,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:37:50,224 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f51fd7a7e803b337407ebecb084bc416ae9c8b7a3d33ff72a0e0702d21471e83 [2022-11-20 11:37:50,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:37:50,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:37:50,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:37:50,540 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:37:50,540 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:37:50,542 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2022-11-20 11:37:53,685 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:37:54,296 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:37:54,296 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2022-11-20 11:37:54,344 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/data/5b0017101/b336ebf2ca374f1787325f53771b64ca/FLAGa3df01f4e [2022-11-20 11:37:54,366 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/data/5b0017101/b336ebf2ca374f1787325f53771b64ca [2022-11-20 11:37:54,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:37:54,375 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:37:54,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:37:54,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:37:54,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:37:54,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:37:54" (1/1) ... [2022-11-20 11:37:54,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ab82a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:54, skipping insertion in model container [2022-11-20 11:37:54,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:37:54" (1/1) ... [2022-11-20 11:37:54,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:37:54,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:37:55,091 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractShiftRight(BitabsTranslation.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 11:37:55,099 INFO L158 Benchmark]: Toolchain (without parser) took 722.83ms. Allocated memory is still 180.4MB. Free memory was 130.2MB in the beginning and 86.3MB in the end (delta: 43.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-20 11:37:55,100 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 107.0MB. Free memory is still 59.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:37:55,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 720.01ms. Allocated memory is still 180.4MB. Free memory was 130.2MB in the beginning and 86.3MB in the end (delta: 43.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-20 11:37:55,103 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 107.0MB. Free memory is still 59.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 720.01ms. Allocated memory is still 180.4MB. Free memory was 130.2MB in the beginning and 86.3MB in the end (delta: 43.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN --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 64bit --witnessprinter.graph.data.programhash f51fd7a7e803b337407ebecb084bc416ae9c8b7a3d33ff72a0e0702d21471e83 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:37:57,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:37:57,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:37:57,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:37:57,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:37:57,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:37:57,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:37:57,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:37:57,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:37:57,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:37:57,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:37:57,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:37:57,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:37:57,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:37:57,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:37:57,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:37:57,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:37:57,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:37:57,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:37:57,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:37:57,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:37:57,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:37:57,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:37:57,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:37:57,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:37:57,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:37:57,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:37:57,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:37:57,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:37:57,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:37:57,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:37:57,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:37:57,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:37:57,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:37:57,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:37:57,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:37:57,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:37:57,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:37:57,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:37:57,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:37:57,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:37:57,720 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 11:37:57,753 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:37:57,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:37:57,755 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:37:57,755 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:37:57,756 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:37:57,756 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:37:57,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:37:57,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:37:57,758 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:37:57,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:37:57,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:37:57,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:37:57,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:37:57,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:37:57,760 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:37:57,760 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 11:37:57,760 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 11:37:57,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:37:57,760 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:37:57,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:37:57,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:37:57,761 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:37:57,761 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:37:57,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:37:57,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:37:57,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:37:57,762 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:37:57,762 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 11:37:57,762 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 11:37:57,763 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:37:57,763 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:37:57,763 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:37:57,763 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 11:37:57,764 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_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f51fd7a7e803b337407ebecb084bc416ae9c8b7a3d33ff72a0e0702d21471e83 [2022-11-20 11:37:58,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:37:58,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:37:58,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:37:58,193 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:37:58,194 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:37:58,195 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2022-11-20 11:38:01,197 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:38:01,814 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:38:01,815 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2022-11-20 11:38:01,853 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/data/874b0a5c6/c5db3d77b06c46cab5cbaab4992b7160/FLAGdc8fd7024 [2022-11-20 11:38:01,876 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/data/874b0a5c6/c5db3d77b06c46cab5cbaab4992b7160 [2022-11-20 11:38:01,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:38:01,884 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:38:01,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:38:01,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:38:01,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:38:01,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:38:01" (1/1) ... [2022-11-20 11:38:01,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70fd3f0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:01, skipping insertion in model container [2022-11-20 11:38:01,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:38:01" (1/1) ... [2022-11-20 11:38:01,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:38:02,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:38:03,825 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i[221005,221018] [2022-11-20 11:38:03,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:38:03,905 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 11:38:03,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:38:04,331 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i[221005,221018] [2022-11-20 11:38:04,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:38:04,396 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:38:04,849 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i[221005,221018] [2022-11-20 11:38:04,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:38:05,126 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:38:05,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:05 WrapperNode [2022-11-20 11:38:05,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:38:05,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:38:05,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:38:05,129 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:38:05,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:05" (1/1) ... [2022-11-20 11:38:05,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:05" (1/1) ... [2022-11-20 11:38:05,430 INFO L138 Inliner]: procedures = 214, calls = 1513, calls flagged for inlining = 98, calls inlined = 84, statements flattened = 3260 [2022-11-20 11:38:05,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:38:05,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:38:05,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:38:05,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:38:05,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:05" (1/1) ... [2022-11-20 11:38:05,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:05" (1/1) ... [2022-11-20 11:38:05,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:05" (1/1) ... [2022-11-20 11:38:05,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:05" (1/1) ... [2022-11-20 11:38:05,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:05" (1/1) ... [2022-11-20 11:38:05,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:05" (1/1) ... [2022-11-20 11:38:05,592 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:05" (1/1) ... [2022-11-20 11:38:05,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:05" (1/1) ... [2022-11-20 11:38:05,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:38:05,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:38:05,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:38:05,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:38:05,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:05" (1/1) ... [2022-11-20 11:38:05,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:38:05,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:38:05,678 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:38:05,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:38:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 11:38:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 11:38:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 11:38:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 11:38:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 11:38:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 11:38:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-20 11:38:05,722 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-20 11:38:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-20 11:38:05,722 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-20 11:38:05,723 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-20 11:38:05,723 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-20 11:38:05,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 11:38:05,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 11:38:05,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-20 11:38:05,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-20 11:38:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-20 11:38:05,724 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-20 11:38:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-20 11:38:05,724 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-20 11:38:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-20 11:38:05,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-20 11:38:05,725 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-20 11:38:05,725 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-20 11:38:05,725 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-20 11:38:05,726 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-20 11:38:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 11:38:05,726 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 11:38:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-20 11:38:05,726 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-20 11:38:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 11:38:05,727 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 11:38:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:38:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 11:38:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-20 11:38:05,727 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-20 11:38:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-20 11:38:05,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-20 11:38:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 11:38:05,728 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 11:38:05,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 11:38:05,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 11:38:05,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 11:38:05,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-11-20 11:38:05,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-11-20 11:38:05,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:38:05,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 11:38:05,730 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-20 11:38:05,730 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-20 11:38:05,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 11:38:05,731 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-20 11:38:05,731 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-20 11:38:05,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 11:38:05,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 11:38:05,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 11:38:05,732 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-20 11:38:05,732 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-20 11:38:05,732 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-20 11:38:05,732 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-20 11:38:05,732 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-20 11:38:05,733 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-20 11:38:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_type_trans [2022-11-20 11:38:05,733 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_type_trans [2022-11-20 11:38:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 11:38:05,733 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 11:38:05,734 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-20 11:38:05,734 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-20 11:38:05,734 INFO L130 BoogieDeclarations]: Found specification of procedure farsync_type_trans [2022-11-20 11:38:05,734 INFO L138 BoogieDeclarations]: Found implementation of procedure farsync_type_trans [2022-11-20 11:38:05,734 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-20 11:38:05,734 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-20 11:38:05,735 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 11:38:05,735 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 11:38:05,735 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 11:38:05,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 11:38:05,735 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 11:38:05,736 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 11:38:05,736 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-11-20 11:38:05,736 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-11-20 11:38:05,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 11:38:05,737 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 11:38:05,737 INFO L130 BoogieDeclarations]: Found specification of procedure fst_issue_cmd [2022-11-20 11:38:05,737 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_issue_cmd [2022-11-20 11:38:05,737 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 11:38:05,737 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 11:38:05,737 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 11:38:05,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 11:38:05,738 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-20 11:38:05,738 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-20 11:38:05,738 INFO L130 BoogieDeclarations]: Found specification of procedure fst_disable_intr [2022-11-20 11:38:05,738 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_disable_intr [2022-11-20 11:38:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 11:38:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 11:38:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 11:38:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 11:38:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 11:38:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-20 11:38:05,740 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-20 11:38:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:38:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cpureset [2022-11-20 11:38:05,740 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cpureset [2022-11-20 11:38:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 11:38:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 11:38:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 11:38:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 11:38:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-20 11:38:05,741 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-20 11:38:05,742 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_rx_status [2022-11-20 11:38:05,742 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_rx_status [2022-11-20 11:38:05,742 INFO L130 BoogieDeclarations]: Found specification of procedure fst_q_work_item [2022-11-20 11:38:05,742 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_q_work_item [2022-11-20 11:38:05,742 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 11:38:05,743 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 11:38:05,743 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-20 11:38:05,743 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-20 11:38:05,743 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-20 11:38:05,743 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-20 11:38:05,744 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2022-11-20 11:38:05,744 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2022-11-20 11:38:05,744 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-20 11:38:05,744 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-20 11:38:05,744 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-20 11:38:05,745 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-20 11:38:05,745 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-20 11:38:05,745 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-20 11:38:05,745 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-20 11:38:05,745 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-20 11:38:05,745 INFO L130 BoogieDeclarations]: Found specification of procedure fst_clear_intr [2022-11-20 11:38:05,746 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_clear_intr [2022-11-20 11:38:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 11:38:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-20 11:38:05,746 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-20 11:38:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-11-20 11:38:05,747 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-11-20 11:38:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-20 11:38:05,747 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-20 11:38:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-20 11:38:05,747 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-20 11:38:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:38:05,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:38:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-20 11:38:05,748 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-20 11:38:06,494 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:38:06,499 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:38:12,386 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 11:38:12,392 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 11:38:12,401 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 11:38:12,402 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 11:38:12,404 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 11:38:12,405 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 11:38:12,413 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 11:38:31,441 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##258: assume false; [2022-11-20 11:38:31,441 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##259: assume !false; [2022-11-20 11:38:31,441 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2022-11-20 11:38:31,442 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2022-11-20 11:38:31,442 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##214: assume !false; [2022-11-20 11:38:31,442 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##213: assume false; [2022-11-20 11:38:31,442 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##228: assume !false; [2022-11-20 11:38:31,442 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##227: assume false; [2022-11-20 11:38:31,442 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume !false;call ULTIMATE.dealloc(fst_ioctl_~#wrthdr~0#1.base, fst_ioctl_~#wrthdr~0#1.offset);havoc fst_ioctl_~#wrthdr~0#1.base, fst_ioctl_~#wrthdr~0#1.offset;call ULTIMATE.dealloc(fst_ioctl_~#info~0#1.base, fst_ioctl_~#info~0#1.offset);havoc fst_ioctl_~#info~0#1.base, fst_ioctl_~#info~0#1.offset; [2022-11-20 11:38:31,443 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume false; [2022-11-20 11:38:31,443 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-11-20 11:38:31,443 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-11-20 11:38:31,444 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##391: assume !false; [2022-11-20 11:38:31,444 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##390: assume false; [2022-11-20 11:38:31,564 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:38:31,579 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:38:31,579 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 11:38:31,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:38:31 BoogieIcfgContainer [2022-11-20 11:38:31,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:38:31,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:38:31,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:38:31,590 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:38:31,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:38:01" (1/3) ... [2022-11-20 11:38:31,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d05e22b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:38:31, skipping insertion in model container [2022-11-20 11:38:31,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:05" (2/3) ... [2022-11-20 11:38:31,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d05e22b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:38:31, skipping insertion in model container [2022-11-20 11:38:31,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:38:31" (3/3) ... [2022-11-20 11:38:31,593 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2022-11-20 11:38:31,614 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:38:31,614 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:38:31,696 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:38:31,711 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7fbfd63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:38:31,712 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:38:31,728 INFO L276 IsEmpty]: Start isEmpty. Operand has 1064 states, 746 states have (on average 1.2908847184986596) internal successors, (963), 754 states have internal predecessors, (963), 260 states have call successors, (260), 56 states have call predecessors, (260), 56 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2022-11-20 11:38:31,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 11:38:31,739 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:38:31,740 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:38:31,741 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:38:31,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:38:31,748 INFO L85 PathProgramCache]: Analyzing trace with hash 953068106, now seen corresponding path program 1 times [2022-11-20 11:38:31,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:38:31,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [176964284] [2022-11-20 11:38:31,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:38:31,768 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:38:31,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:38:31,776 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:38:31,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 11:38:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:38:32,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 793 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:38:32,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:38:32,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:38:32,982 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:38:32,982 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:38:32,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [176964284] [2022-11-20 11:38:32,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [176964284] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:38:32,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:38:32,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:38:32,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923097664] [2022-11-20 11:38:32,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:38:33,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:38:33,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:38:33,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:38:33,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:38:33,078 INFO L87 Difference]: Start difference. First operand has 1064 states, 746 states have (on average 1.2908847184986596) internal successors, (963), 754 states have internal predecessors, (963), 260 states have call successors, (260), 56 states have call predecessors, (260), 56 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 11:38:33,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:38:33,394 INFO L93 Difference]: Finished difference Result 2123 states and 2971 transitions. [2022-11-20 11:38:33,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:38:33,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-11-20 11:38:33,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:38:33,428 INFO L225 Difference]: With dead ends: 2123 [2022-11-20 11:38:33,428 INFO L226 Difference]: Without dead ends: 1060 [2022-11-20 11:38:33,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:38:33,448 INFO L413 NwaCegarLoop]: 1475 mSDtfsCounter, 1 mSDsluCounter, 1473 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2948 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:38:33,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2948 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:38:33,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2022-11-20 11:38:33,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 1059. [2022-11-20 11:38:33,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1059 states, 743 states have (on average 1.2866756393001346) internal successors, (956), 749 states have internal predecessors, (956), 260 states have call successors, (260), 56 states have call predecessors, (260), 55 states have return successors, (258), 258 states have call predecessors, (258), 258 states have call successors, (258) [2022-11-20 11:38:33,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 1059 states and 1474 transitions. [2022-11-20 11:38:33,701 INFO L78 Accepts]: Start accepts. Automaton has 1059 states and 1474 transitions. Word has length 21 [2022-11-20 11:38:33,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:38:33,702 INFO L495 AbstractCegarLoop]: Abstraction has 1059 states and 1474 transitions. [2022-11-20 11:38:33,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 11:38:33,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1474 transitions. [2022-11-20 11:38:33,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 11:38:33,704 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:38:33,705 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:38:33,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 11:38:33,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:38:33,929 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:38:33,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:38:33,929 INFO L85 PathProgramCache]: Analyzing trace with hash 172351718, now seen corresponding path program 1 times [2022-11-20 11:38:33,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:38:33,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [533492518] [2022-11-20 11:38:33,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:38:33,931 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:38:33,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:38:33,960 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:38:33,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 11:38:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:38:34,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 11:38:34,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:38:34,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:38:34,985 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:38:35,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:38:35,080 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:38:35,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [533492518] [2022-11-20 11:38:35,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [533492518] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:38:35,081 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:38:35,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-11-20 11:38:35,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374192101] [2022-11-20 11:38:35,081 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:38:35,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:38:35,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:38:35,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:38:35,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:38:35,084 INFO L87 Difference]: Start difference. First operand 1059 states and 1474 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-20 11:38:35,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:38:35,339 INFO L93 Difference]: Finished difference Result 2118 states and 2950 transitions. [2022-11-20 11:38:35,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:38:35,340 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 23 [2022-11-20 11:38:35,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:38:35,347 INFO L225 Difference]: With dead ends: 2118 [2022-11-20 11:38:35,348 INFO L226 Difference]: Without dead ends: 1065 [2022-11-20 11:38:35,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:38:35,354 INFO L413 NwaCegarLoop]: 1471 mSDtfsCounter, 4 mSDsluCounter, 5876 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7347 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:38:35,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7347 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 11:38:35,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2022-11-20 11:38:35,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1065. [2022-11-20 11:38:35,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 749 states have (on average 1.2843791722296396) internal successors, (962), 755 states have internal predecessors, (962), 260 states have call successors, (260), 56 states have call predecessors, (260), 55 states have return successors, (258), 258 states have call predecessors, (258), 258 states have call successors, (258) [2022-11-20 11:38:35,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1480 transitions. [2022-11-20 11:38:35,415 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1480 transitions. Word has length 23 [2022-11-20 11:38:35,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:38:35,416 INFO L495 AbstractCegarLoop]: Abstraction has 1065 states and 1480 transitions. [2022-11-20 11:38:35,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-20 11:38:35,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1480 transitions. [2022-11-20 11:38:35,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 11:38:35,418 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:38:35,418 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:38:35,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:38:35,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:38:35,639 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:38:35,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:38:35,640 INFO L85 PathProgramCache]: Analyzing trace with hash 55524026, now seen corresponding path program 2 times [2022-11-20 11:38:35,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:38:35,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [981476600] [2022-11-20 11:38:35,642 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:38:35,642 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:38:35,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:38:35,645 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:38:35,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 11:38:36,611 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 11:38:36,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:38:36,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 793 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:38:36,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:38:36,904 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-20 11:38:36,905 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:38:36,905 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:38:36,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [981476600] [2022-11-20 11:38:36,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [981476600] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:38:36,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:38:36,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:38:36,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212538372] [2022-11-20 11:38:36,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:38:36,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:38:36,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:38:36,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:38:36,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:38:36,907 INFO L87 Difference]: Start difference. First operand 1065 states and 1480 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 11:38:37,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:38:37,065 INFO L93 Difference]: Finished difference Result 3155 states and 4394 transitions. [2022-11-20 11:38:37,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:38:37,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2022-11-20 11:38:37,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:38:37,078 INFO L225 Difference]: With dead ends: 3155 [2022-11-20 11:38:37,078 INFO L226 Difference]: Without dead ends: 2104 [2022-11-20 11:38:37,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:38:37,095 INFO L413 NwaCegarLoop]: 1973 mSDtfsCounter, 1448 mSDsluCounter, 1452 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1448 SdHoareTripleChecker+Valid, 3425 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:38:37,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1448 Valid, 3425 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:38:37,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2104 states. [2022-11-20 11:38:37,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2104 to 2101. [2022-11-20 11:38:37,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2101 states, 1474 states have (on average 1.2835820895522387) internal successors, (1892), 1485 states have internal predecessors, (1892), 516 states have call successors, (516), 111 states have call predecessors, (516), 110 states have return successors, (514), 514 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-20 11:38:37,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 2101 states and 2922 transitions. [2022-11-20 11:38:37,220 INFO L78 Accepts]: Start accepts. Automaton has 2101 states and 2922 transitions. Word has length 29 [2022-11-20 11:38:37,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:38:37,221 INFO L495 AbstractCegarLoop]: Abstraction has 2101 states and 2922 transitions. [2022-11-20 11:38:37,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 11:38:37,221 INFO L276 IsEmpty]: Start isEmpty. Operand 2101 states and 2922 transitions. [2022-11-20 11:38:37,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-20 11:38:37,232 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:38:37,232 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:38:37,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:38:37,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:38:37,457 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:38:37,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:38:37,458 INFO L85 PathProgramCache]: Analyzing trace with hash 2025144539, now seen corresponding path program 1 times [2022-11-20 11:38:37,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:38:37,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [273748041] [2022-11-20 11:38:37,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:38:37,460 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:38:37,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:38:37,463 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:38:37,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 11:38:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:38:38,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 11:38:38,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:38:38,682 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:38:38,683 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:38:39,013 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:38:39,014 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:38:39,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [273748041] [2022-11-20 11:38:39,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [273748041] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:38:39,014 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:38:39,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-20 11:38:39,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147937464] [2022-11-20 11:38:39,015 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:38:39,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 11:38:39,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:38:39,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 11:38:39,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-20 11:38:39,017 INFO L87 Difference]: Start difference. First operand 2101 states and 2922 transitions. Second operand has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-20 11:38:39,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:38:39,887 INFO L93 Difference]: Finished difference Result 4202 states and 5849 transitions. [2022-11-20 11:38:39,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 11:38:39,887 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 49 [2022-11-20 11:38:39,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:38:39,900 INFO L225 Difference]: With dead ends: 4202 [2022-11-20 11:38:39,902 INFO L226 Difference]: Without dead ends: 2113 [2022-11-20 11:38:39,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-11-20 11:38:39,912 INFO L413 NwaCegarLoop]: 1470 mSDtfsCounter, 10 mSDsluCounter, 7340 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 8810 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:38:39,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 8810 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 11:38:39,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2113 states. [2022-11-20 11:38:40,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2113 to 2113. [2022-11-20 11:38:40,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2113 states, 1486 states have (on average 1.2812920592193808) internal successors, (1904), 1497 states have internal predecessors, (1904), 516 states have call successors, (516), 111 states have call predecessors, (516), 110 states have return successors, (514), 514 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-20 11:38:40,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2113 states to 2113 states and 2934 transitions. [2022-11-20 11:38:40,031 INFO L78 Accepts]: Start accepts. Automaton has 2113 states and 2934 transitions. Word has length 49 [2022-11-20 11:38:40,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:38:40,032 INFO L495 AbstractCegarLoop]: Abstraction has 2113 states and 2934 transitions. [2022-11-20 11:38:40,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-20 11:38:40,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states and 2934 transitions. [2022-11-20 11:38:40,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-20 11:38:40,037 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:38:40,038 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:38:40,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:38:40,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:38:40,254 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:38:40,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:38:40,254 INFO L85 PathProgramCache]: Analyzing trace with hash 981484419, now seen corresponding path program 2 times [2022-11-20 11:38:40,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:38:40,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1188375591] [2022-11-20 11:38:40,257 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:38:40,257 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:38:40,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:38:40,265 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:38:40,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 11:38:41,116 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 11:38:41,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:38:41,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 11:38:41,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:38:41,241 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-20 11:38:41,241 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:38:41,241 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:38:41,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1188375591] [2022-11-20 11:38:41,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1188375591] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:38:41,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:38:41,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:38:41,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191814125] [2022-11-20 11:38:41,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:38:41,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 11:38:41,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:38:41,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 11:38:41,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:38:41,244 INFO L87 Difference]: Start difference. First operand 2113 states and 2934 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 11:38:42,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:38:42,774 INFO L93 Difference]: Finished difference Result 6077 states and 8738 transitions. [2022-11-20 11:38:42,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:38:42,775 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 61 [2022-11-20 11:38:42,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:38:42,798 INFO L225 Difference]: With dead ends: 6077 [2022-11-20 11:38:42,798 INFO L226 Difference]: Without dead ends: 3995 [2022-11-20 11:38:42,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:38:42,807 INFO L413 NwaCegarLoop]: 2746 mSDtfsCounter, 2190 mSDsluCounter, 6423 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 583 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2383 SdHoareTripleChecker+Valid, 9169 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 583 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:38:42,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2383 Valid, 9169 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [583 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-20 11:38:42,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3995 states. [2022-11-20 11:38:42,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3995 to 2047. [2022-11-20 11:38:42,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2047 states, 1445 states have (on average 1.2816608996539793) internal successors, (1852), 1455 states have internal predecessors, (1852), 491 states have call successors, (491), 111 states have call predecessors, (491), 110 states have return successors, (489), 489 states have call predecessors, (489), 489 states have call successors, (489) [2022-11-20 11:38:42,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2047 states to 2047 states and 2832 transitions. [2022-11-20 11:38:42,990 INFO L78 Accepts]: Start accepts. Automaton has 2047 states and 2832 transitions. Word has length 61 [2022-11-20 11:38:42,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:38:42,992 INFO L495 AbstractCegarLoop]: Abstraction has 2047 states and 2832 transitions. [2022-11-20 11:38:42,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 11:38:42,993 INFO L276 IsEmpty]: Start isEmpty. Operand 2047 states and 2832 transitions. [2022-11-20 11:38:42,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-20 11:38:42,994 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:38:42,994 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:38:43,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 11:38:43,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:38:43,209 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:38:43,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:38:43,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1812840541, now seen corresponding path program 1 times [2022-11-20 11:38:43,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:38:43,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2121111574] [2022-11-20 11:38:43,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:38:43,212 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:38:43,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:38:43,213 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:38:43,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 11:38:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:38:44,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 970 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 11:38:44,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:38:44,630 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:38:44,630 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:38:45,619 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:38:45,619 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:38:45,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2121111574] [2022-11-20 11:38:45,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2121111574] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:38:45,620 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:38:45,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2022-11-20 11:38:45,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061614210] [2022-11-20 11:38:45,621 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:38:45,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-20 11:38:45,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:38:45,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-20 11:38:45,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2022-11-20 11:38:45,623 INFO L87 Difference]: Start difference. First operand 2047 states and 2832 transitions. Second operand has 24 states, 24 states have (on average 3.5) internal successors, (84), 24 states have internal predecessors, (84), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-20 11:38:48,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:38:48,571 INFO L93 Difference]: Finished difference Result 4094 states and 5675 transitions. [2022-11-20 11:38:48,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-20 11:38:48,572 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 3.5) internal successors, (84), 24 states have internal predecessors, (84), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 63 [2022-11-20 11:38:48,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:38:48,583 INFO L225 Difference]: With dead ends: 4094 [2022-11-20 11:38:48,583 INFO L226 Difference]: Without dead ends: 2071 [2022-11-20 11:38:48,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=406, Invalid=716, Unknown=0, NotChecked=0, Total=1122 [2022-11-20 11:38:48,591 INFO L413 NwaCegarLoop]: 1470 mSDtfsCounter, 23 mSDsluCounter, 19084 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 20554 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-20 11:38:48,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 20554 Invalid, 309 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [22 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-20 11:38:48,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2071 states. [2022-11-20 11:38:48,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2071 to 2071. [2022-11-20 11:38:48,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2071 states, 1469 states have (on average 1.2770592239618788) internal successors, (1876), 1479 states have internal predecessors, (1876), 491 states have call successors, (491), 111 states have call predecessors, (491), 110 states have return successors, (489), 489 states have call predecessors, (489), 489 states have call successors, (489) [2022-11-20 11:38:48,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 2071 states and 2856 transitions. [2022-11-20 11:38:48,750 INFO L78 Accepts]: Start accepts. Automaton has 2071 states and 2856 transitions. Word has length 63 [2022-11-20 11:38:48,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:38:48,751 INFO L495 AbstractCegarLoop]: Abstraction has 2071 states and 2856 transitions. [2022-11-20 11:38:48,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.5) internal successors, (84), 24 states have internal predecessors, (84), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-20 11:38:48,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2856 transitions. [2022-11-20 11:38:48,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-20 11:38:48,754 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:38:48,754 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:38:48,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 11:38:48,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:38:48,982 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:38:48,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:38:48,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1724546477, now seen corresponding path program 2 times [2022-11-20 11:38:48,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:38:48,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [370683238] [2022-11-20 11:38:48,984 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:38:48,984 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:38:48,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:38:48,986 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:38:48,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 11:38:49,819 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 11:38:49,820 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:38:49,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 860 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 11:38:49,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:38:50,326 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2022-11-20 11:38:50,327 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:38:50,327 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:38:50,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [370683238] [2022-11-20 11:38:50,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [370683238] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:38:50,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:38:50,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:38:50,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365470386] [2022-11-20 11:38:50,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:38:50,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:38:50,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:38:50,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:38:50,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:38:50,329 INFO L87 Difference]: Start difference. First operand 2071 states and 2856 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 11:38:56,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:38:56,082 INFO L93 Difference]: Finished difference Result 5144 states and 7129 transitions. [2022-11-20 11:38:56,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:38:56,085 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 87 [2022-11-20 11:38:56,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:38:56,109 INFO L225 Difference]: With dead ends: 5144 [2022-11-20 11:38:56,110 INFO L226 Difference]: Without dead ends: 4090 [2022-11-20 11:38:56,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:38:56,116 INFO L413 NwaCegarLoop]: 3073 mSDtfsCounter, 2777 mSDsluCounter, 2633 mSDsCounter, 0 mSdLazyCounter, 1001 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2777 SdHoareTripleChecker+Valid, 5706 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:38:56,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2777 Valid, 5706 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1001 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-11-20 11:38:56,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4090 states. [2022-11-20 11:38:56,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4090 to 4078. [2022-11-20 11:38:56,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4078 states, 2879 states have (on average 1.2820423758249393) internal successors, (3691), 2897 states have internal predecessors, (3691), 978 states have call successors, (978), 221 states have call predecessors, (978), 220 states have return successors, (978), 977 states have call predecessors, (978), 976 states have call successors, (978) [2022-11-20 11:38:56,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4078 states to 4078 states and 5647 transitions. [2022-11-20 11:38:56,421 INFO L78 Accepts]: Start accepts. Automaton has 4078 states and 5647 transitions. Word has length 87 [2022-11-20 11:38:56,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:38:56,422 INFO L495 AbstractCegarLoop]: Abstraction has 4078 states and 5647 transitions. [2022-11-20 11:38:56,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 11:38:56,422 INFO L276 IsEmpty]: Start isEmpty. Operand 4078 states and 5647 transitions. [2022-11-20 11:38:56,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-20 11:38:56,424 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:38:56,424 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:38:56,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-20 11:38:56,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:38:56,640 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:38:56,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:38:56,641 INFO L85 PathProgramCache]: Analyzing trace with hash 2143028962, now seen corresponding path program 1 times [2022-11-20 11:38:56,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:38:56,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1983102103] [2022-11-20 11:38:56,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:38:56,642 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:38:56,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:38:56,643 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:38:56,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-20 11:38:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:38:57,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 1099 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-20 11:38:57,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:38:59,034 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:38:59,035 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:39:02,100 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:39:02,100 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:39:02,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1983102103] [2022-11-20 11:39:02,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1983102103] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:39:02,101 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:39:02,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 48 [2022-11-20 11:39:02,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194543073] [2022-11-20 11:39:02,101 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:39:02,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-11-20 11:39:02,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:39:02,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-11-20 11:39:02,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=531, Invalid=1725, Unknown=0, NotChecked=0, Total=2256 [2022-11-20 11:39:02,104 INFO L87 Difference]: Start difference. First operand 4078 states and 5647 transitions. Second operand has 48 states, 48 states have (on average 2.8541666666666665) internal successors, (137), 48 states have internal predecessors, (137), 1 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-11-20 11:39:07,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:39:07,951 INFO L93 Difference]: Finished difference Result 8128 states and 11275 transitions. [2022-11-20 11:39:07,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-20 11:39:07,952 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 2.8541666666666665) internal successors, (137), 48 states have internal predecessors, (137), 1 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 91 [2022-11-20 11:39:07,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:39:07,977 INFO L225 Difference]: With dead ends: 8128 [2022-11-20 11:39:07,977 INFO L226 Difference]: Without dead ends: 4098 [2022-11-20 11:39:07,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=803, Invalid=2277, Unknown=0, NotChecked=0, Total=3080 [2022-11-20 11:39:07,988 INFO L413 NwaCegarLoop]: 1470 mSDtfsCounter, 33 mSDsluCounter, 35232 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 36702 SdHoareTripleChecker+Invalid, 978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-20 11:39:07,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 36702 Invalid, 978 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [32 Valid, 946 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-20 11:39:07,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4098 states. [2022-11-20 11:39:08,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4098 to 4098. [2022-11-20 11:39:08,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4098 states, 2899 states have (on average 1.2800965850293204) internal successors, (3711), 2917 states have internal predecessors, (3711), 978 states have call successors, (978), 221 states have call predecessors, (978), 220 states have return successors, (978), 977 states have call predecessors, (978), 976 states have call successors, (978) [2022-11-20 11:39:08,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 5667 transitions. [2022-11-20 11:39:08,251 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 5667 transitions. Word has length 91 [2022-11-20 11:39:08,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:39:08,251 INFO L495 AbstractCegarLoop]: Abstraction has 4098 states and 5667 transitions. [2022-11-20 11:39:08,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 2.8541666666666665) internal successors, (137), 48 states have internal predecessors, (137), 1 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-11-20 11:39:08,253 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 5667 transitions. [2022-11-20 11:39:08,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-20 11:39:08,258 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:39:08,258 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:39:08,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-20 11:39:08,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:39:08,459 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:39:08,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:39:08,460 INFO L85 PathProgramCache]: Analyzing trace with hash -457110534, now seen corresponding path program 2 times [2022-11-20 11:39:08,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:39:08,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [971447671] [2022-11-20 11:39:08,461 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:39:08,461 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:39:08,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:39:08,462 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:39:08,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-20 11:39:09,298 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 11:39:09,298 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:39:09,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 11:39:09,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:39:09,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2022-11-20 11:39:09,431 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:39:09,432 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:39:09,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [971447671] [2022-11-20 11:39:09,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [971447671] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:39:09,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:39:09,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:39:09,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298726618] [2022-11-20 11:39:09,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:39:09,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 11:39:09,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:39:09,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 11:39:09,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:39:09,434 INFO L87 Difference]: Start difference. First operand 4098 states and 5667 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 11:39:11,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:39:11,018 INFO L93 Difference]: Finished difference Result 9102 states and 12925 transitions. [2022-11-20 11:39:11,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:39:11,020 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 111 [2022-11-20 11:39:11,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:39:11,075 INFO L225 Difference]: With dead ends: 9102 [2022-11-20 11:39:11,075 INFO L226 Difference]: Without dead ends: 6045 [2022-11-20 11:39:11,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:39:11,089 INFO L413 NwaCegarLoop]: 2196 mSDtfsCounter, 2018 mSDsluCounter, 4533 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 656 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2018 SdHoareTripleChecker+Valid, 6729 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 656 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:39:11,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2018 Valid, 6729 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [656 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-20 11:39:11,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6045 states. [2022-11-20 11:39:11,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6045 to 4098. [2022-11-20 11:39:11,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4098 states, 2899 states have (on average 1.2794066919627458) internal successors, (3709), 2917 states have internal predecessors, (3709), 978 states have call successors, (978), 221 states have call predecessors, (978), 220 states have return successors, (978), 977 states have call predecessors, (978), 976 states have call successors, (978) [2022-11-20 11:39:11,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 5665 transitions. [2022-11-20 11:39:11,520 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 5665 transitions. Word has length 111 [2022-11-20 11:39:11,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:39:11,520 INFO L495 AbstractCegarLoop]: Abstraction has 4098 states and 5665 transitions. [2022-11-20 11:39:11,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 11:39:11,521 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 5665 transitions. [2022-11-20 11:39:11,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-20 11:39:11,529 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:39:11,529 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:39:11,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-20 11:39:11,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:39:11,744 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:39:11,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:39:11,745 INFO L85 PathProgramCache]: Analyzing trace with hash -199241997, now seen corresponding path program 1 times [2022-11-20 11:39:11,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:39:11,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1850650728] [2022-11-20 11:39:11,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:39:11,747 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:39:11,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:39:11,749 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:39:11,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-20 11:39:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:12,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 1230 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-20 11:39:12,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:39:13,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2022-11-20 11:39:13,278 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:39:13,279 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:39:13,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1850650728] [2022-11-20 11:39:13,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1850650728] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:39:13,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:39:13,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 11:39:13,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007102749] [2022-11-20 11:39:13,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:39:13,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 11:39:13,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:39:13,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 11:39:13,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:39:13,282 INFO L87 Difference]: Start difference. First operand 4098 states and 5665 transitions. Second operand has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-20 11:39:32,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:39:32,495 INFO L93 Difference]: Finished difference Result 11841 states and 16824 transitions. [2022-11-20 11:39:32,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 11:39:32,497 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 120 [2022-11-20 11:39:32,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:39:32,533 INFO L225 Difference]: With dead ends: 11841 [2022-11-20 11:39:32,533 INFO L226 Difference]: Without dead ends: 7818 [2022-11-20 11:39:32,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-11-20 11:39:32,551 INFO L413 NwaCegarLoop]: 3309 mSDtfsCounter, 3164 mSDsluCounter, 12380 mSDsCounter, 0 mSdLazyCounter, 2543 mSolverCounterSat, 925 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3358 SdHoareTripleChecker+Valid, 15689 SdHoareTripleChecker+Invalid, 3468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 925 IncrementalHoareTripleChecker+Valid, 2543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2022-11-20 11:39:32,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3358 Valid, 15689 Invalid, 3468 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [925 Valid, 2543 Invalid, 0 Unknown, 0 Unchecked, 17.8s Time] [2022-11-20 11:39:32,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7818 states. [2022-11-20 11:39:33,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7818 to 4099. [2022-11-20 11:39:33,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4099 states, 2898 states have (on average 1.2781228433402347) internal successors, (3704), 2919 states have internal predecessors, (3704), 978 states have call successors, (978), 221 states have call predecessors, (978), 222 states have return successors, (978), 976 states have call predecessors, (978), 976 states have call successors, (978) [2022-11-20 11:39:33,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4099 states to 4099 states and 5660 transitions. [2022-11-20 11:39:33,217 INFO L78 Accepts]: Start accepts. Automaton has 4099 states and 5660 transitions. Word has length 120 [2022-11-20 11:39:33,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:39:33,218 INFO L495 AbstractCegarLoop]: Abstraction has 4099 states and 5660 transitions. [2022-11-20 11:39:33,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-20 11:39:33,218 INFO L276 IsEmpty]: Start isEmpty. Operand 4099 states and 5660 transitions. [2022-11-20 11:39:33,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-20 11:39:33,224 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:39:33,224 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:39:33,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-20 11:39:33,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:39:33,441 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:39:33,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:39:33,441 INFO L85 PathProgramCache]: Analyzing trace with hash -226816085, now seen corresponding path program 1 times [2022-11-20 11:39:33,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:39:33,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1308653855] [2022-11-20 11:39:33,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:39:33,442 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:39:33,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:39:33,443 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:39:33,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-20 11:39:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:34,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 1274 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:39:34,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:39:34,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1031 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1031 trivial. 0 not checked. [2022-11-20 11:39:34,903 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:39:34,903 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:39:34,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1308653855] [2022-11-20 11:39:34,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1308653855] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:39:34,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:39:34,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:39:34,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648932317] [2022-11-20 11:39:34,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:39:34,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:39:34,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:39:34,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:39:34,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:39:34,906 INFO L87 Difference]: Start difference. First operand 4099 states and 5660 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 11:39:35,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:39:35,595 INFO L93 Difference]: Finished difference Result 10581 states and 15034 transitions. [2022-11-20 11:39:35,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:39:35,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 132 [2022-11-20 11:39:35,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:39:35,617 INFO L225 Difference]: With dead ends: 10581 [2022-11-20 11:39:35,617 INFO L226 Difference]: Without dead ends: 6557 [2022-11-20 11:39:35,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:39:35,631 INFO L413 NwaCegarLoop]: 2159 mSDtfsCounter, 650 mSDsluCounter, 1461 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 858 SdHoareTripleChecker+Valid, 3620 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:39:35,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [858 Valid, 3620 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:39:35,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6557 states. [2022-11-20 11:39:36,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6557 to 6551. [2022-11-20 11:39:36,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6551 states, 4626 states have (on average 1.3035019455252919) internal successors, (6030), 4651 states have internal predecessors, (6030), 1702 states have call successors, (1702), 221 states have call predecessors, (1702), 222 states have return successors, (1702), 1700 states have call predecessors, (1702), 1700 states have call successors, (1702) [2022-11-20 11:39:36,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6551 states to 6551 states and 9434 transitions. [2022-11-20 11:39:36,727 INFO L78 Accepts]: Start accepts. Automaton has 6551 states and 9434 transitions. Word has length 132 [2022-11-20 11:39:36,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:39:36,727 INFO L495 AbstractCegarLoop]: Abstraction has 6551 states and 9434 transitions. [2022-11-20 11:39:36,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 11:39:36,728 INFO L276 IsEmpty]: Start isEmpty. Operand 6551 states and 9434 transitions. [2022-11-20 11:39:36,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-20 11:39:36,734 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:39:36,735 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:39:36,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-11-20 11:39:36,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:39:36,949 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:39:36,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:39:36,949 INFO L85 PathProgramCache]: Analyzing trace with hash 73355820, now seen corresponding path program 1 times [2022-11-20 11:39:36,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:39:36,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1830923601] [2022-11-20 11:39:36,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:39:36,951 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:39:36,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:39:36,952 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:39:36,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-20 11:39:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:38,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 1262 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 11:39:38,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:39:38,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2022-11-20 11:39:38,148 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:39:38,148 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:39:38,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1830923601] [2022-11-20 11:39:38,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1830923601] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:39:38,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:39:38,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:39:38,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456240802] [2022-11-20 11:39:38,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:39:38,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:39:38,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:39:38,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:39:38,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:39:38,150 INFO L87 Difference]: Start difference. First operand 6551 states and 9434 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 11:39:40,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:39:40,093 INFO L93 Difference]: Finished difference Result 9872 states and 14531 transitions. [2022-11-20 11:39:40,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:39:40,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 130 [2022-11-20 11:39:40,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:39:40,131 INFO L225 Difference]: With dead ends: 9872 [2022-11-20 11:39:40,131 INFO L226 Difference]: Without dead ends: 9864 [2022-11-20 11:39:40,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:39:40,136 INFO L413 NwaCegarLoop]: 2554 mSDtfsCounter, 1293 mSDsluCounter, 3440 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 385 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1319 SdHoareTripleChecker+Valid, 5994 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 385 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 11:39:40,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1319 Valid, 5994 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [385 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 11:39:40,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9864 states. [2022-11-20 11:39:41,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9864 to 6557. [2022-11-20 11:39:41,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6557 states, 4630 states have (on average 1.3032397408207343) internal successors, (6034), 4655 states have internal predecessors, (6034), 1704 states have call successors, (1704), 221 states have call predecessors, (1704), 222 states have return successors, (1704), 1702 states have call predecessors, (1704), 1702 states have call successors, (1704) [2022-11-20 11:39:41,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6557 states to 6557 states and 9442 transitions. [2022-11-20 11:39:41,110 INFO L78 Accepts]: Start accepts. Automaton has 6557 states and 9442 transitions. Word has length 130 [2022-11-20 11:39:41,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:39:41,110 INFO L495 AbstractCegarLoop]: Abstraction has 6557 states and 9442 transitions. [2022-11-20 11:39:41,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 11:39:41,111 INFO L276 IsEmpty]: Start isEmpty. Operand 6557 states and 9442 transitions. [2022-11-20 11:39:41,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-20 11:39:41,117 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:39:41,118 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:39:41,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-20 11:39:41,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:39:41,332 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:39:41,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:39:41,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1802794400, now seen corresponding path program 1 times [2022-11-20 11:39:41,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:39:41,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1811650733] [2022-11-20 11:39:41,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:39:41,335 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:39:41,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:39:41,336 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:39:41,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-20 11:39:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:42,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 1267 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 11:39:42,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:39:43,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2022-11-20 11:39:43,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:39:43,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2022-11-20 11:39:43,803 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:39:43,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1811650733] [2022-11-20 11:39:43,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1811650733] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:39:43,804 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:39:43,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-11-20 11:39:43,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008375807] [2022-11-20 11:39:43,804 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:39:43,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:39:43,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:39:43,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:39:43,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:39:43,806 INFO L87 Difference]: Start difference. First operand 6557 states and 9442 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 4 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-20 11:39:47,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:39:47,704 INFO L93 Difference]: Finished difference Result 13045 states and 18812 transitions. [2022-11-20 11:39:47,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:39:47,705 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 4 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 134 [2022-11-20 11:39:47,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:39:47,730 INFO L225 Difference]: With dead ends: 13045 [2022-11-20 11:39:47,730 INFO L226 Difference]: Without dead ends: 6563 [2022-11-20 11:39:47,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:39:47,751 INFO L413 NwaCegarLoop]: 2412 mSDtfsCounter, 2484 mSDsluCounter, 3411 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 402 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2881 SdHoareTripleChecker+Valid, 5823 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 402 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-20 11:39:47,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2881 Valid, 5823 Invalid, 1035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [402 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-20 11:39:47,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6563 states. [2022-11-20 11:39:48,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6563 to 6557. [2022-11-20 11:39:48,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6557 states, 4630 states have (on average 1.3006479481641469) internal successors, (6022), 4655 states have internal predecessors, (6022), 1704 states have call successors, (1704), 221 states have call predecessors, (1704), 222 states have return successors, (1704), 1702 states have call predecessors, (1704), 1702 states have call successors, (1704) [2022-11-20 11:39:48,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6557 states to 6557 states and 9430 transitions. [2022-11-20 11:39:48,964 INFO L78 Accepts]: Start accepts. Automaton has 6557 states and 9430 transitions. Word has length 134 [2022-11-20 11:39:48,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:39:48,964 INFO L495 AbstractCegarLoop]: Abstraction has 6557 states and 9430 transitions. [2022-11-20 11:39:48,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 4 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-20 11:39:48,965 INFO L276 IsEmpty]: Start isEmpty. Operand 6557 states and 9430 transitions. [2022-11-20 11:39:48,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-11-20 11:39:48,974 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:39:48,974 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:39:49,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-20 11:39:49,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:39:49,198 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:39:49,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:39:49,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1518481568, now seen corresponding path program 1 times [2022-11-20 11:39:49,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:39:49,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [932031512] [2022-11-20 11:39:49,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:39:49,201 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:39:49,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:39:49,203 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:39:49,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-20 11:39:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:50,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 1330 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 11:39:50,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:39:50,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1043 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1031 trivial. 0 not checked. [2022-11-20 11:39:50,578 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:39:50,578 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:39:50,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [932031512] [2022-11-20 11:39:50,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [932031512] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:39:50,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:39:50,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:39:50,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365243346] [2022-11-20 11:39:50,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:39:50,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:39:50,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:39:50,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:39:50,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:39:50,580 INFO L87 Difference]: Start difference. First operand 6557 states and 9430 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-20 11:39:51,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:39:51,225 INFO L93 Difference]: Finished difference Result 12389 states and 17789 transitions. [2022-11-20 11:39:51,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:39:51,225 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 153 [2022-11-20 11:39:51,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:39:51,245 INFO L225 Difference]: With dead ends: 12389 [2022-11-20 11:39:51,245 INFO L226 Difference]: Without dead ends: 5895 [2022-11-20 11:39:51,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:39:51,261 INFO L413 NwaCegarLoop]: 1478 mSDtfsCounter, 13 mSDsluCounter, 2935 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 4413 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:39:51,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 4413 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:39:51,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5895 states. [2022-11-20 11:39:52,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5895 to 5886. [2022-11-20 11:39:52,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5886 states, 4157 states have (on average 1.2966081308636035) internal successors, (5390), 4180 states have internal predecessors, (5390), 1510 states have call successors, (1510), 217 states have call predecessors, (1510), 218 states have return successors, (1510), 1506 states have call predecessors, (1510), 1508 states have call successors, (1510) [2022-11-20 11:39:52,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5886 states to 5886 states and 8410 transitions. [2022-11-20 11:39:52,338 INFO L78 Accepts]: Start accepts. Automaton has 5886 states and 8410 transitions. Word has length 153 [2022-11-20 11:39:52,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:39:52,338 INFO L495 AbstractCegarLoop]: Abstraction has 5886 states and 8410 transitions. [2022-11-20 11:39:52,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-20 11:39:52,339 INFO L276 IsEmpty]: Start isEmpty. Operand 5886 states and 8410 transitions. [2022-11-20 11:39:52,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-11-20 11:39:52,345 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:39:52,345 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:39:52,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2022-11-20 11:39:52,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:39:52,570 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:39:52,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:39:52,570 INFO L85 PathProgramCache]: Analyzing trace with hash -2121096315, now seen corresponding path program 1 times [2022-11-20 11:39:52,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:39:52,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [368924475] [2022-11-20 11:39:52,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:39:52,572 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:39:52,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:39:52,574 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:39:52,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-20 11:39:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:53,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 1309 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:39:53,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:39:54,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1031 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked. [2022-11-20 11:39:54,336 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:39:54,336 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:39:54,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [368924475] [2022-11-20 11:39:54,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [368924475] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:39:54,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:39:54,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:39:54,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698591679] [2022-11-20 11:39:54,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:39:54,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:39:54,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:39:54,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:39:54,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:39:54,339 INFO L87 Difference]: Start difference. First operand 5886 states and 8410 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 11:39:55,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:39:55,105 INFO L93 Difference]: Finished difference Result 11676 states and 16707 transitions. [2022-11-20 11:39:55,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:39:55,106 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 150 [2022-11-20 11:39:55,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:39:55,131 INFO L225 Difference]: With dead ends: 11676 [2022-11-20 11:39:55,131 INFO L226 Difference]: Without dead ends: 5865 [2022-11-20 11:39:55,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:39:55,147 INFO L413 NwaCegarLoop]: 1464 mSDtfsCounter, 1397 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1397 SdHoareTripleChecker+Valid, 1464 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:39:55,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1397 Valid, 1464 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:39:55,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5865 states. [2022-11-20 11:39:56,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5865 to 5865. [2022-11-20 11:39:56,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5865 states, 4136 states have (on average 1.293036750483559) internal successors, (5348), 4159 states have internal predecessors, (5348), 1510 states have call successors, (1510), 217 states have call predecessors, (1510), 218 states have return successors, (1510), 1506 states have call predecessors, (1510), 1508 states have call successors, (1510) [2022-11-20 11:39:56,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5865 states to 5865 states and 8368 transitions. [2022-11-20 11:39:56,335 INFO L78 Accepts]: Start accepts. Automaton has 5865 states and 8368 transitions. Word has length 150 [2022-11-20 11:39:56,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:39:56,336 INFO L495 AbstractCegarLoop]: Abstraction has 5865 states and 8368 transitions. [2022-11-20 11:39:56,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 11:39:56,336 INFO L276 IsEmpty]: Start isEmpty. Operand 5865 states and 8368 transitions. [2022-11-20 11:39:56,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-20 11:39:56,343 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:39:56,343 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:39:56,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-20 11:39:56,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:39:56,569 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:39:56,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:39:56,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1838241346, now seen corresponding path program 1 times [2022-11-20 11:39:56,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:39:56,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1287490624] [2022-11-20 11:39:56,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:39:56,570 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:39:56,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:39:56,571 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:39:56,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-11-20 11:40:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:40:16,025 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:40:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:40:33,954 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-20 11:40:33,955 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 11:40:33,956 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 11:40:34,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-11-20 11:40:34,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:40:34,184 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:40:34,188 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:40:34,332 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Expected only CPrimitive but got *CHAR at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateBitvecLiteral(CACSL2BoogieBacktranslator.java:1212) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:1021) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramStateEntry(CACSL2BoogieBacktranslator.java:658) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramState(CACSL2BoogieBacktranslator.java:633) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.handleCASTFunctionCallExpression(CACSL2BoogieBacktranslator.java:490) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramExecution(CACSL2BoogieBacktranslator.java:267) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:217) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getProgramExecutionAsString(UnprovableResult.java:132) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getLongDescription(UnprovableResult.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:582) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 11:40:34,349 INFO L158 Benchmark]: Toolchain (without parser) took 152466.06ms. Allocated memory was 94.4MB in the beginning and 2.0GB in the end (delta: 2.0GB). Free memory was 61.9MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 521.0MB. Max. memory is 16.1GB. [2022-11-20 11:40:34,350 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 45.6MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:40:34,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3238.84ms. Allocated memory was 94.4MB in the beginning and 151.0MB in the end (delta: 56.6MB). Free memory was 61.6MB in the beginning and 55.9MB in the end (delta: 5.7MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. [2022-11-20 11:40:34,351 INFO L158 Benchmark]: Boogie Procedure Inliner took 302.07ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 55.9MB in the beginning and 124.4MB in the end (delta: -68.5MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2022-11-20 11:40:34,351 INFO L158 Benchmark]: Boogie Preprocessor took 196.48ms. Allocated memory is still 190.8MB. Free memory was 124.4MB in the beginning and 102.4MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-20 11:40:34,351 INFO L158 Benchmark]: RCFGBuilder took 25953.68ms. Allocated memory was 190.8MB in the beginning and 320.9MB in the end (delta: 130.0MB). Free memory was 102.4MB in the beginning and 215.1MB in the end (delta: -112.7MB). Peak memory consumption was 108.1MB. Max. memory is 16.1GB. [2022-11-20 11:40:34,352 INFO L158 Benchmark]: TraceAbstraction took 122763.35ms. Allocated memory was 320.9MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 215.1MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 445.5MB. Max. memory is 16.1GB. [2022-11-20 11:40:34,353 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 45.6MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3238.84ms. Allocated memory was 94.4MB in the beginning and 151.0MB in the end (delta: 56.6MB). Free memory was 61.6MB in the beginning and 55.9MB in the end (delta: 5.7MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 302.07ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 55.9MB in the beginning and 124.4MB in the end (delta: -68.5MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 196.48ms. Allocated memory is still 190.8MB. Free memory was 124.4MB in the beginning and 102.4MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * RCFGBuilder took 25953.68ms. Allocated memory was 190.8MB in the beginning and 320.9MB in the end (delta: 130.0MB). Free memory was 102.4MB in the beginning and 215.1MB in the end (delta: -112.7MB). Peak memory consumption was 108.1MB. Max. memory is 16.1GB. * TraceAbstraction took 122763.35ms. Allocated memory was 320.9MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 215.1MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 445.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: AssertionError: Expected only CPrimitive but got *CHAR de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Expected only CPrimitive but got *CHAR: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 11:40:34,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bdf275-5f66-4ac9-82b1-9277621d9e96/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Expected only CPrimitive but got *CHAR